US Pat. No. 9,093,785

ELECTRICAL CONNECTOR WITH DUAL LATCH MEMBERS

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a mating portion, a mounting portion at a rear of the mating portion and a plurality of passageways
extending through the mating portion and the mounting portion;

a plurality of contacts received in the passageways for connecting cables; and
a pair of latch members located at lateral sides of the insulative housing, each latch member comprising a pivot portion connected
to corresponding lateral side of the insulative housing, a locking arm extending forwardly from the pivot portion and a driving
portion extending backwardly from the pivot portion; wherein

the locking arms are capable of pivoting outwardly along a horizontal direction to a release status under condition that the
driving portions are inwardly pressed;

wherein the insulative housing comprises a pair of side walls, the pivot portions of the latch members being integrally formed
with corresponding side walls, the locking arm and the driving portion being outwardly separated from neighboring side wall;

wherein each pivot portion comprises an upper connecting portion and a lower connecting portion, the locking arm and the driving
portion being located between the upper connecting portion and the lower connecting portion along a vertical direction from
a side view of the electrical connector.

US Pat. No. 9,276,365

ELECTRICAL CONNECTOR WITH GROUNDING MECHANISM CONTACTING OUTER SHELL

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an upper contact module comprising a plurality of upper contacts and an upper housing inject-molded with the upper contacts;
a lower contact module comprising a plurality of lower contacts and a lower housing inject-molded with the lower contacts;
an outer insulative housing inject-molded with the upper contact module and the lower contact module;
a shielding mechanism at least partly fixed in the outer insulative housing; and
a metallic outer shell enclosing the outer insulative housing; wherein
the shielding mechanism and the metallic outer shell are in mechanical contact with each other.

US Pat. No. 9,136,644

CONNECTOR ASSEMBLY WITH CONTACTS HAVING RETAINING PORTIONS WITH INTERLOCKING STRUCTURES

ALLTOP ELECTRONICS (SUZHO...

1. A connector assembly comprising:
a receptacle connector and a plug connector mating with the receptacle connector;
the receptacle connector comprising:
a receptacle insulative housing comprising a receiving portion, a plurality of mating portions extending from the receiving
portion and a pair of locking arms integrally formed at opposite lateral sides of the receptacle insulative housing; and

a plurality of female contact groups fixed in the receptacle insulative housing, each female contact group comprising a pair
of resilient contacting portions;

the plug connector comprising:
a plug insulative housing comprising a mating surface, a plurality of cavities extending through the mating surface and a
pair of locking walls located at opposite lateral sides of the plug insulative housing; and

a plurality of male contacts fixed in the plug insulative housing, each male contact comprising a rigid contacting portion
extending into corresponding cavity; wherein

when the plug connector the receptacle connector are mating with each other, the mating portions of the receptacle connector
are inserted in the cavities of the plug connector with the rigid contacting portion sandwiched by the pair of resilient contacting
portions, and the locking arms are in locking with the locking walls for fixation;

and wherein each female contact group comprises first and second female contacts combined together, each of the first and
second contacts comprising a retaining portion and the contacting portion extending forwardly from the retaining portion,
each retaining portion comprising a first locking portion and a second locking portion on opposite lateral side thereof, respectively,
each first locking portion comprising a slit, each second locking portion comprising a positioning portion and an engaging
arm outside of the positioning portion; and wherein the retaining portion and the contacting portion of the first female contact
are of the same configuration as the retaining portion and the contacting portion of the second female contact after rotating
180 degrees.

US Pat. No. 9,263,815

RECHARGEABLE BATTERY SOCKET AND MANUFACTURING METHOD THEREOF

ALLTOP ELECTRONICS (SUZHO...

1. A rechargeable battery socket comprising:
an insulating housing defining a plurality of terminal channels;
a plurality of terminals received in the insulating housing, each terminal comprising a contacting portion received in corresponding
terminal channel and a tail extending out of the insulating housing; and

a shell assembled to one side of the insulating housing; wherein
each terminal channel provides a pair of ribs on two opposite inside faces thereof; and wherein
the contacting portion of the terminal cooperates with the rib to thereby secure the terminal in the insulating housing;
wherein the insulating housing comprises a main section and a mating section extending from the main section, and wherein
the terminal channel is extending throughout the main section and the mating section.

US Pat. No. 9,865,951

CONNECTOR FOR FLEXIBLE PRINTED CIRCUIT BOARD

ALLTOP ELECTRONICS (SUZHO...

1. A connector for flexible printed circuit board, comprising:
an insulative housing having a rear section extending backwardly, the rear section having a rear space and a first peripheral
wall around the rear space;

a plurality of contacts retained in the insulative housing, each contact having a connecting leg extending into the rear space,
each connecting leg having a connecting portion and a resisting portion connecting with each other, the connecting portion
and the resisting portion of each connecting leg being located at different level surfaces;

a fastener having a base, a mating section forwardly extending from the base and a board receiving chamber extending therethrough
along a front to back direction, the mating section defining a contact receiving chamber communicating with the board receiving
chamber along a top to bottom direction and a press section;

a first sealing ring being arranged between the first peripheral wall and the mating section of the fastener;
wherein the insulative housing has a fixed position to fix the fastener, and as moving the fastener to the fixed position,
the press section presses against the resisting portion to drive the connecting portion projecting into the board receiving
chamber, and the first sealing ring is sealed between the first peripheral wall and the mating section.

US Pat. No. 9,401,558

POWER CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. A power connector, comprising:
an insulative housing having a mating face at a front side thereof;
a plurality of power contacts received in the insulative housing;
a contact bus bar electrically connecting with the plurality of power contacts;
a fastening element fastening the contact bus bar and an outer terminal arranged behind the insulative housing together;
wherein the power contacts are provided with soldering pads, and the contact bus bar has a front mating pad engaging with
the soldering pads, the front mating pad is formed with a plurality of soldering holes, and the front mating pad and the soldering
pads being connected electrically via soldering tin set in the soldering holes.

US Pat. No. 9,362,695

ELECTRICAL CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing having a body portion and a mating portion forwardly extending from the body portion, the mating portion
being provided with a top wall, a bottom wall, a pair of side walls and a receiving space formed therebetween, the receiving
space opening forwardly;

at least a contact module having a plurality of contacts retained on the insulative housing, each contact having a contact
portion forwardly extending into the receiving space and a connecting portion backwardly extending out of the body portion;
and

a grounding member having a middle grounding sheet and a pair of locking arms projecting into the receiving space, the middle
grounding sheet being fixed in the body portion and spacing apart from the contacts along an up to down direction, and the
locking arms electrically connecting with the middle grounding sheet.

US Pat. No. 9,160,113

ELECTRICAL CONNECTOR WITH ENGAGING ARMS FORMED ON COVER

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a top wall, a pair of side walls extending downwardly from opposite lateral sides of the
top wall and a plug-receiving cavity formed by the top wall and the side walls, the plug-receiving cavity extending forwardly
through a front mating surface of the insulative housing in a first direction;

a plurality of contacts each comprising a resilient contacting portion extending into the plug-receiving cavity;
a cover shielding the insulative housing and comprising a top plate covering the top wall and a pair of side plates respectively
covering the pair of side walls, each side plate comprising an engaging arm extending inwardly therefrom; wherein

the insulative housing defines a pair of cutouts formed at boundaries of the top wall and the pair of side walls, each cutout
being located behind the front mating surface in the first direction, the pair of cutouts being in communication with the
plug-receiving cavity, the pair of engaging arms extending into the plug-receiving cavity through the pair of cutouts, respectively;

wherein each side plate comprises a front edge, each engaging arm comprising a first resilient portion extending from the
front edge and a second resilient portion further bent slantwise and backwardly from the first resilient portion, the second
resilient portion extending into the plug-receiving cavity;

wherein each side plate defines a pair of small notches recessed from the front edge with corresponding first resilient portion
positioned between the pair of small notches.

US Pat. No. 9,209,568

CONNECTOR ASSEMBLY WITH ANTI-MISMATING MEMBERS

ALLTOP ELECTRONICS (SUZHO...

1. A receptacle connector comprising:
a receptacle insulative housing comprising a receiving portion, a plurality of mating portions extending from the receiving
portion along a first direction and a plurality of contact-receiving slots extending through the mating portions and the receiving
portion; and

a plurality of female contacts received in the contact-receiving slots; wherein
the plurality of mating portions comprise a first mating portion and a second mating portion in parallel relationship with
each other; wherein

the second mating portion is close to a center of the receptacle connector in a width direction thereof, while the first mating
portion is outside of the second mating portion; and wherein

the first mating portion and the second mating portion are of the same configuration except that the second mating portion
comprises a trapezoid anti-mismating block which protrudes from a-a corner thereof along the width direction perpendicular
to the first direction.

US Pat. No. 9,136,625

CONNECTOR ASSEMBLY WITH PLATE FOR CONTACT NESTING AND EFFECTIVE HEAT DISSIPATION PATH

ALLTOP ELECTRONICS (SUZHO...

1. A plug connector comprising:
a plug insulative housing comprising a first mating surface, a first plug cavity extending through the first mating surface
along a transverse direction, and a first plate cantileveredly extending into the first plug cavity along the transverse direction,
the plug insulative housing defining upper and lower plug contact slots in communication with the first plug cavity; and

a pair of plug power contacts respectively received in the upper and lower plug contact slots, each plug power contact comprising
a flat contacting section exposed to the first plug cavity and a first soldering section for being mounted to a circuit board;
wherein

the flat contacting sections of the pair of plug power contacts are positioned on upper and lower surfaces of the first plate,
respectively; and wherein

the plug insulative housing defining a heat dissipation channel in communication with the first plug cavity in order that
heat generated by the flat contacting sections can be effectively dissipated to the air through the heat dissipation channel;

wherein each plug power contact comprises a first bending section connected between the flat contacting section and the first
soldering section, the first bending section defining at least one heat dissipation slot therethrough.

US Pat. No. 9,124,036

ELECTRICAL CONNECTOR WITH IMPROVED GROUNDING MEMBER FOR CROSS-TALK PREVENTION

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
a housing member comprising a first tongue plate and a second tongue plate parallel to the first tongue plate, the first tongue
plate and the second tongue plate being located one above the other along a height direction of the electrical connector;

a first contact group associated to the first tongue and comprising a plurality of first contacts and a plurality of second
contacts, each first contact comprising a first contacting portion and a first mounting portion perpendicular to the first
contacting portion, each second contact comprising a second contacting portion and a second mounting portion, the first contacting
portions and the second contacting portions being arranged in two rows along a mating direction of the electrical connector,
the first mounting portions and the second mounting portions being respectively arranged in first and second rows along the
mating direction of the electrical connector;

a second contact group associated to the second tongue and comprising a plurality of third contacts and a plurality of fourth
contacts, each third contact comprising a third contacting portion and a third mounting portion perpendicular to the third
contacting portion, each fourth contact comprising a fourth contacting portion and a fourth mounting portion, the third contacting
portions and the fourth contacting portions being arranged in two rows along the mating direction of the electrical connector,
the third mounting portions and the fourth mounting portions being respectively arranged in third and fourth rows along the
mating direction of the electrical connector;

a metallic shell shielding the housing member, the first contact group and the second contact group; and
a grounding member electrically and mechanically connected to the metallic shell, the grounding member comprising a body portion
located between the second mounting portions of the first contact group and the third mounting portions of the second contact
group;

a spacer located between the first mounting portions and the fourth mounting portions, the second mounting portions and the
third mounting portions being regulated by the spacer, the body portion of the grounding member being fixed by the spacer;

wherein the spacer comprises a base and a retaining wall extending upwardly from the base, the base defining a plurality of
slots through which the second mounting portions extend, the third mounting portions being integrally molded with the retaining
wall.

US Pat. No. 9,379,462

CABLE CONNECTOR AND METHOD OF MAKING THE SAME

ALLTOP ELECTRONICS (SUZHO...

1. A cable connector, comprising:
an insulative housing having a first receiving space and a second receiving space, the first receiving space spacing apart
from the second receiving space along a front to back direction;

at least one group of circuit boards, each circuit board having a front part received in the first receiving space and a rear
part received in the second receiving space, the front part being formed with electrical contacts;

cables connecting with the rear parts of the circuit boards electrically; and
an insulator being insert-molded in the second receiving space to enclose the rear parts;
wherein each circuit board defines a pair of cutouts at two sides thereof, and the cutouts communicate with the second receiving
space and are filled by the insulator.

US Pat. No. 9,362,675

CONNECTOR ASSEMBLY WITH IMPROVED CONTACT ARRANGEMENT

ALLTOP ELECTRONICS (SUZHO...

1. A plug connector comprising:
a plug insulative housing comprising a body portion which comprises a front mating surface, a rear mounting surface, a plurality
of cavities extending forwardly through the front mating surface and a plurality of contact-receiving slots extending rearwardly
through the rear mounting surface; and

a plurality of male contacts fixed in the contact-receiving slots and protruding into the cavities, the plurality of male
contacts being divided into groups each of which comprises two male contacts in parallel relationship, each male contact comprising
a contacting portion residing in corresponding cavity, a mounting portion perpendicular to the contacting portion and an inclined
portion connecting the contact portion and the mounting portion; wherein

in each group, a perpendicular distance between the contacting portions is larger than a perpendicular distance between the
inclined portions, and the perpendicular distance between the inclined portions is no less than a perpendicular distance between
the mounting portions, and the plug insulative housing has a spacer attached to the body portion, the spacer comprises a plurality
of slots for organizing the mounting portions of the male contacts.

US Pat. No. 9,306,337

ELECTRICAL CONNECTOR WITH INNER SHELL IN TWO PIECES

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a base and a tongue portion protruding from the base, the tongue portion comprising a top
surface and a bottom surface opposite to the top surface;

a plurality of contacts retained in the insulative housing and comprising a plurality of flat contacting portions, the contacting
portions being exposed on the top surface and the bottom surface, respectively;

a metallic outer shell enclosing the insulative housing; and
a metallic inner shell positioned between the metallic outer shell and the insulative housing, the metallic inner shell comprising
at least two pieces which are separately made, the at least two pieces being fixed to the insulative housing.

US Pat. No. 9,257,802

SLIDABLE LOW PROFILE ELECTRICAL CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. A slidable electrical connector comprising:
a base comprising a plug-receiving cavity for receiving a plug connector;
a plurality of contacts retained in the base, each contact comprising a resilient contacting portion protruding into the plug-receiving
cavity;

a cover pivotally mounted to the base, the cover being pivotal relative to the base between an opening status and a closed
status along a first pivot member;

a pair of supporting components for mating with the cover, each supporting component being pivotal relative to the base between
an opening status and a closed status along a second pivot member; and

a pair of rail brackets for mating with the base, the base being slidable relative to the rail brackets along a front-to-back
direction between a close position where the base does not protrude from the rail brackets and an open position where the
base protrudes from the rail brackets; wherein

the cover and the pair of supporting components are mateable with each other in condition that one of the cover and the pair
of supporting components pivots clockwise while a remaining one of the cover and the pair of supporting components pivots
anticlockwise.

US Pat. No. 9,059,546

ELECTRICAL CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector for connecting with a cable, comprising:
an insulating housing extending along a transversal direction and defining an opening at a rear side thereof, said insulating
housing comprising a plurality of first passageways;

a plurality of power contacts received in corresponding first passageways of the insulating housing, each power contact forming
a first engaging portion and a first contacting portion;

a power bus bar electrically and mechanically connecting with at least one power contact, said power bus bar having a main
section, a middle section extending from said main section, and a connecting section extending from said middle section, said
connecting section engaging with said first engaging portion of said at least one power contact; and

a power contact spacer assembled within said opening of said insulating housing, said power contact spacer including a main
body and a base extending downwards from the main body;

wherein the main body of the power contact spacer provides a plurality of protrusions along the transversal direction, and
wherein the insulating housing defines a plurality of grooves on a top wall thereof for correspondingly receiving the protrusions
to thereby secure the power contact spacer on the insulating housing along a transversal direction.

US Pat. No. 9,812,826

ELECTRICAL CONNECTOR WITH GROUNDING CONTACT

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector for electrically connecting with a complementary connector, comprising:
an insulating housing comprising a base, a mating tongue extending forwards from the base, and a plurality of channels extending
through the mating tongue and the base;

a plurality of conductive contacts retained in the channels, each conductive contact having a fixing portion assembled within
corresponding channel, a contacting portion extending from one side of the fixing portion and a soldering portion extending
from the other side of the fixing portion opposite to the contacting portion; and

a shielding shell covering the insulating housing and the plurality of conductive contacts;
wherein the plurality of conductive contacts comprises at least one grounding contact, and the at least one grounding contact
defines a latching portion neighbored and connected to the contacting portion thereof; and

wherein the mating tongue has a pair of cutouts recessed from opposite lateral edges thereof, and the latching portion of
the at least one grounding contact cooperates with one of the pair of cutouts;

wherein the contacting portion of the at least one grounding contact and the latching portion of the at least one grounding
contact extend within two different planes;

wherein the latching portion of the at least one grounding contact provides an engaging portion for electrically connecting
with the complementary connector and a retaining portion extending from the engaging portion and projecting into the cutout;
and wherein the retaining portion extends along a substantially perpendicular direction of the engaging portion of the at
least one grounding contact.

US Pat. No. 9,130,287

POWER CONNECTOR ASSEMBLY

ALLTOP ELECTRONICS (SUZHO...

1. An electrical power connector, comprising:
an insulative housing comprising at least one contact-receiving passage extending along a front-to-back direction;
at least one pair of power contacts assembled to the at least one contact-receiving passage, and the pair of power contacts
arranged oppositely along an up-to-down direction and cooperating with each other;

wherein each of the at least one pair of power contacts comprises a cable termination portion, a contacting portion and an
intermediate portion connecting the cable termination portion and the contacting portion;

wherein one lateral edge of the intermediate portion is a first latching portion, and the other lateral edge of the intermediate
portion is a second latching portion;

wherein when the pair of power contacts are assembled together, the first latching portion of one power contact cooperates
with the second latching portion of the other power contact, while the second latching portion of the one power contacts cooperates
with the first latching portion of the other power contact to thereby form a hollow frame therebetween along an up-to-down
direction;

wherein the first latching portion defines a positioning slit therein along a mating direction of the power connector, and
wherein the second latching portion bends vertically from the intermediate portion and forms a positioning slice at a free
end thereof to be inserted into the positioning slit;

wherein the second latching portion forms a cantilevered beam bending outwardly therefrom and adjacent to the positioning
slice, and wherein the at least one contact-receiving passage defines a restriction recess on inner side thereof to cooperate
with the cantilevered beam.

US Pat. No. 9,812,798

ELECTRICAL CONNECTOR WITH HEAT DISSIPATING PATH

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector mounted to a printed circuit board (PCB) for mating with a complementary connector, comprising:
an insulating housing comprising a mating face confronting the complementary connector, a mounting face opposite to the mating
face and a rear wall positioned between the mating face and the mounting face along a front-to-back direction, the insulating
housing defining a plurality of contact-receiving passageways penetrating from the mating face to the rear wall and a plurality
of heat dissipating slots communicating with the contact-receiving passageways; and

a plurality of conductive contacts respectively received in the contact-receiving passageways, each conductive contact comprising
a contacting portion, a termination portion adapted for electrically connecting with the printed circuit board, and an intermediate
portion connecting the contacting portion with the termination portion and retained on the rear wall;

wherein the insulating housing comprises a heat dissipating section defined between the mounting face and the rear wall, and
wherein the heat dissipating section communicates with the heat dissipating slots to thereby define a heat dissipating path
therebetween, the insulative housing has a top wall connecting the mating face and the rear wall, and a plurality of heat
dissipating grooves are arranged on the top wall along a transverse direction, the heat dissipating grooves are communicated
with an exterior along an up-to-down direction and the front-to-back direction;

wherein the conductive contact has a pair of retaining protrusions formed along two opposite side edges of the intermediate
portion thereof and wherein the contact-receiving passageway defines a limitation means in an inside wall for retaining the
conductive contact by engaging with the retaining protrusions.

US Pat. No. 9,431,735

PLUG CONNECTOR, RECEPTACLE CONNECTOR AND ELECTRICAL CONNECTOR ASSEMBLY

ALLTOP ELECTRONICS (SUZHO...

1. A receptacle connector for mating with a plug connector, comprising:
a receptacle housing defining a receiving space opening forwardly and a jointing surface at an inner side of the receiving
space;

a plurality of receptacle contacts retained in the receptacle housing;
a waterproof plate received in the receiving space and kept close to the joint surface;
wherein the thickness of the waterproof plate is decreased from top to bottom.

US Pat. No. 9,136,632

ELECTRICAL CONNECTOR WITH RELIABLE ASSEMBLY EFFECT

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing defining a receiving cavity adapted for accommodating a complementary connector, a mounting space communicating
with the receiving cavity to receive a contact module, and a pair of mounting blocks located at opposite lateral sides of
the mounting space;

the contact module received in the insulative housing and comprising an insulative base received in the mounting space and
a plurality of conductive contacts fixed in the insulative base, the insulative base comprising a pair of lateral side edges,
each conductive contact comprising a retaining portion fixed in the insulative base and a contacting portion extending slantly
from the retaining portion into the receiving space of the insulative housing; and wherein

the conductive contacts comprise a pair of side contacts located at opposite outmost sides thereof, the retaining portion
of each side contact is disposed with a protruding section protruding laterally beyond corresponding lateral side edge of
the insulative base to engage with respective mounting block formed on the insulative housing;

wherein the insulative base forms a pair of restriction blocks on an upper surface thereof, and each restriction block is
located under respective contacting portion of the side contact to prevent the contacting portion of the side contacts from
being deformed excessively.

US Pat. No. 9,257,768

ELECTRICAL CONNECTOR WITH ROBUST HEAT-DISSIPATION STRUCTURES

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a main body and a plurality of mating ports extending from the main body along a first direction,
the main body comprising a first main section and a second main section in a side-by-side arrangement, the mating ports comprising
a first mating port extending from the first main section and a second mating port extending from the second main section;
the first mating port defining a first receiving space and two rows of first receiving slots at upper and lower sides of the
first receiving space, the first main section defining two rows of first receiving passages in alignment with the first receiving
slots and two rows of first receiving channels located higher than the first receiving passages; the second mating port defining
a second receiving space and two rows of second receiving slots at upper and lower sides of the second receiving space, the
second main section defining two rows of second receiving passages in alignment with the second receiving slots and two rows
of second receiving channels located higher than the second receiving passages;

two rows of signal contacts received in the first main section and the first mating port, each row of the signal contacts
comprising a first mating portion protruding into the first receiving space, a first intermediate portion extending rearwardly
from the first mating portion and a first termination portion bent downwardly from the first intermediate portion, the first
intermediate portion being of a Z-shaped configuration and comprising a first lower horizontal section received in corresponding
first receiving passage, a first upper horizontal section received in corresponding first receiving channel, and a first connecting
section connecting the first lower horizontal section and the first upper horizontal section;

two rows of power contacts received in the second main section and the second mating port, each row of the power contacts
comprising a second mating portion protruding into the second receiving space, a second intermediate portion extending rearwardly
from the second mating portion and a second termination portion bent downwardly from the second intermediate portion, the
second intermediate portion being of a Z-shaped configuration and comprising a second lower horizontal section received in
corresponding second receiving passage, a second upper horizontal section received in corresponding second receiving channel,
and a second connecting section connecting the second lower horizontal section and the second upper horizontal section; wherein

the second main section defines at least one first heat dissipation slot extending through the insulative housing along the
first direction, the second connecting section being exposed to the at least one first heat dissipation slot along the first
direction, the at least one first heat dissipation slot forming a first heat dissipation path.

US Pat. No. 9,142,905

RECEPTACLE CONNECTOR WITH HIGH RETENTION FORCE

ALLTOP ELECTRONICS (SUZHO...

1. A receptacle connector adapted for being mounted to a Printed Circuit Board (PCB) and mating with a plug connector, comprising:
an insulative housing comprising a mating face adapted for mating with the plug connector and a mounting face opposite to
the mating face, the insulative housing defining a plurality of contact-receiving passages penetrating from the mating face
to the mounting face and a mounting recess recessed from the mounting face toward the mating face a certain distance;

a plurality of conductive contacts respectively received in the contact-receiving passages, each conductive contact comprising
a contacting portion adapted for electrically contacting the plug connector, a termination portion adapted for electrically
connecting with the Printed Circuit Board, and an intermediate portion connecting the contacting portion with the termination
portion; and

a retainer seat fixedly received in the mounting recess of the insulative housing;
wherein the retainer seat defines a plurality of through holes aligning with and communicating with the contact-receiving
passages respectively; wherein the intermediate portion of each conductive contact comprises a front intermediate section
and a rear intermediate section; wherein the mounting recess is recessed from the mounting face toward the mating face to
form a thinner partition wall, and wherein the partition wall defines a plurality of openings respectively communicating with
the contact-receiving passages.

US Pat. No. 9,214,766

ELECTRICAL CONNECTOR HAVING A METALLIC INNER SHELL BETWEEN A METALLIC OUTER SHELL AND AN INSULATIVE HOUSING

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a base and a tongue portion protruding from the base, the tongue portion comprising a top
surface and a bottom surface opposite to the top surface;

a plurality of contacts retained in the insulative housing and comprising a plurality of flat contacting portions, the contacting
portions being exposed on the top surface and the bottom surface, respectively;

a metallic outer shell enclosing the insulative housing, the tongue portion being located at a center of the metallic outer
shell along a vertical direction; and

a metallic inner shell positioned between the metallic outer shell and the insulative housing, the metallic inner shell covering
the base of the insulative housing; wherein

the metallic inner shell and the metallic outer shell are in mechanical contact with each other in order to achieve a relative
larger grounding area.

US Pat. No. 9,054,448

ELECTRICAL CONNECTOR WITH IMPROVED CONTACT

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector mountable on a printed circuit board and adaptable for mating with a complementary connector, comprising:
an insulative housing defining a plurality of passageways extending therethrough;
a plurality of signal terminals received in the insulative housing; and
a plurality of pairs of power contacts, wherein each pair of power contact is received in corresponding passageway of the
insulative housing, the each pair of power contacts includes two separate, opposed power contacts, each power contact comprises
a contacting portion, a tail portion and an intermediate portion interconnecting the contacting portion and the tail portion;

wherein each tail portion has a plurality of solder tails and the solder tails of the pair of power contacts are arranged
into at least two rows;

wherein one solder tail of one row of solder tails has a protrusion formed therealong and one solder tail of the other row
of solder tails has a protrusion formed therealong;

wherein in a same pair of power contacts, a distance between the two solder tails with the protrusions located at different
rows is larger than a distance between other two solder tails of said pair of power contacts.

US Pat. No. 9,774,115

ELECTRICAL CONNECTOR WITH A BETTER FLATNESS OF SOLDERING TAILS

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing having a main portion and a mating portion extending forwardly from the main portion, the mating portion
defining a top wall, a bottom wall and a mating cavity formed between the top wall and the bottom wall, the bottom wall having
a first segment, a second segment spaced apart from the first segment and a protrusion extending away from the mating cavity,
the protrusion located between the first segment and the second segment; and

a plurality of contacts retained in the insulative housing, and each contact having a retention portion retaining in the main
portion, a contacting arm extending forwardly from one end of the retention portion to the mating portion, an extension portion
bending downwardly from another end of the retention portion and a soldering tail bending backwardly from the extension portion,
and the plurality of contacts comprising a group of first contacts, a group of second contacts, a group of third contacts
and a group of fourth contacts, the contacting arms of the first contacts arranged side by side in the top wall exposed downwards
in the mating cavity, the contacting arms of the second contacts and the third contacts juxtaposed in the first segment and
the second segment of the bottom wall respectively, the contacting arms of the fourth contacts abreast in the protrusion of
the bottom wall; wherein

a first insulator is molded on the extension portions of the group of first contacts, and the first insulator defines a first
positioning portion engaging with the main portion of the insulative housing.

US Pat. No. 9,515,406

ELECTRICAL CONNECTOR WITH IMPROVED ELECTRICAL CONTACTS

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing having a front face and a rear face opposite to each other, and a plurality of side walls, said side
walls forming a plurality of passageways extending between the front face and the rear face; and

a plurality of electrical contacts received in the passageways and each including a contacting portion, a tail portion and
a main portion connecting the contacting portion with the tail portion;

wherein the main portion is configured to a U-shape and including a horizontal plate and a pair of vertical plates, and wherein
at least one vertical plate defines a fastening means projecting therefrom and engaging with the side wall of the insulative
housing, the fastening means extends outward from an outside wall of the vertical plate opposite to the horizontal plate.

US Pat. No. 9,490,596

ELECTRICAL CONTACT ASSEMBLY

ALLTOP ELECTRONICS (SUZHO...

1. An electrical contact assembly, comprising:
a pair of contacting members, which is substantially in a shape of sheet, the pair of contacting members being formed separately
and defines a front-to-rear direction, each of the contacting members defining a base portion, a contacting portion extending
forwardly from the base portion and an engaging portion connecting with the base portion and arranged at a rear end of the
contacting member, the base portion and the contacting portion of one contacting member are opposite to the base portion and
the contacting portion of another contacting member, the engaging portions of the pair of contacting members engaged with
each other;

a cable receiving member, which is formed integrally with one of the contacting members, the cable receiving member extending
rearwardly from the base portion and the engaging portion is located between the base portion and cable connecting member.

US Pat. No. 9,214,762

ELECTRICAL CONNECTOR WITH MOUNTING BLOCK FOR ASSEMBLING CONTACT

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a front mating surface, a rear mounting surface opposite to the front mating surface, a receiving
space extending backwardly through the rear mounting surface, and a first through hole extending forwardly through the front
mating surface and in communication with the receiving space;

a mounting block assembled in the receiving space and comprising a second through hole which is in alignment with the first
through hole along a front-to-rear direction; and

a first contact inserted into the second through hole and the first through hole in sequence along a rear-to-front direction
after the mounting block has been assembled in the receiving space; wherein

the first contact comprises an elastic member and the insulative housing and/or the mounting block comprise a stop surface
to resist against the elastic member so that the first contact can be prevented from dropping out along the front-to-rear
direction.

US Pat. No. 9,142,910

ELECTRICAL CONNECTOR WITH IMPROVED SPACER FOR HEAT DISSIPATION

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a mating portion and a pair of extensions extending rearwardly from the mating portion, the
pair of extensions and the mating portion jointly forming a receiving space;

a plurality of contacts received in the insulative housing; and
a spacer received in the receiving space, the spacer comprising a horizontal portion and a vertical portion perpendicular
to the horizontal portion, the horizontal portion defining a slot through which the contacts extend, the vertical portion
comprising an inner wall, an outer wall and a channel extending through the inner wall and the outer wall, the outer wall
defining a recess opening in communication with the channel; wherein

when the contacts are associated with the spacer, the contacts are partly exposed to the recess opening via the channel for
robust heat dissipation.

US Pat. No. 9,142,917

CONNECTOR ASSEMBLY WITH A RECEPTACLE CONNECTOR AND A PLUG CONNECTOR WITH STABLE STRUCTURES

ALLTOP ELECTRONICS (SUZHO...

1. A receptacle connector comprising:
a receptacle insulative housing comprising a receiving portion, a plurality of mating portions extending forwardly from the
receiving portion and a plurality of contact-receiving slots extending through the mating portions and the receiving portion
along a front-to-rear direction; and

a plurality of female contact groups received in the contact-receiving slots, each female contact group comprising first and
second female contacts combined together, each of the first and second female contacts comprising a retaining portion and
a contacting portion extending forwardly from the retaining portion, each retaining portion comprising a first locking portion
and a second locking portion on opposite lateral sides thereof, respectively, each first locking portion comprising a slit,
each second locking portion comprising a positioning portion and an engaging arm outside of the positioning portion; wherein

the retaining portion and the contacting portion of the first female contact are of the same configurations as the retaining
portion and the contacting portion of the second female contact after rotating 180 degrees; and wherein

when the first female contact is combined in position with the second female contact, the positioning portion of the first
female contact extends through the slit of the second female contact and the positioning portion of the second female contact
extends through the slit of the first female contact, simultaneously.

US Pat. No. 9,735,486

ELECTRICAL CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing having a top surface, a bottom surface and a rear surface;
a plurality of contacts retained in the insulative housing, each contact having a connecting leg extending beyond the rear
surface, the connecting legs of the contacts being arranged in at least a row, each connecting leg has a connecting portion
and a resisting portion adjacent to the connecting portion, the vertical distance between the connecting portion and the top
wall being different from that between the resisting portion and the top wall;

a fastener having at least a contact receiving chamber, a flexible circuit board receiving chamber communicating with the
contact receiving chamber and a press section, the contact receiving chamber being arranged between from the flexible circuit
board receiving chamber and the press section, the resisting portion being far from the flexible circuit board receiving chamber
than the connecting portion, and abutting against the press section when the fastener is fixed to the insulative housing;

wherein the fastener has a fixed position on the insulative housing, and as moving the fastener to the fixed position, the
press section presses the resisting portion to drive the connecting portion projecting into the flexible circuit board receiving
chamber.

US Pat. No. 9,214,767

ELECTRICAL CONNECTOR AND METHOD OF MAKING THE SAME

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing having a mating portion, a body portion behind the mating portion and an upper cavity and a lower cavity
located at upper and lower sides of the body portion respectively, the mating portion being provided with a top wall, a bottom
wall, a pair of side walls and a receiving space formed therebetween;

a middle grounding member being retained in the body portion; and
a pair of contact modules, each of the contact modules having an insulator received in the upper or lower cavity, a plurality
of contacts and a locking spring fixed in the insulator, the locking spring being arranged at a lateral side of the contacts
and having a fixing portion fixed in the insulator, a locking arm forwardly extending to the receiving space and an extension
tab backwardly extending from a rear side of the fixing portion, each of the contacts having a contact arm extending to the
receiving space.

US Pat. No. 9,318,829

POWER CONNECTOR AND POWER CONTACT THEREOF WITH IMPROVED SUPPORT MEMBER FOR SUPPORTING ENGAGING ARM

ALLTOP ELECTRONICS (SUZHO...

1. A power contact comprising:
a fixing portion extending in a front-to-back direction, each of the fixing portion defining a front end;
an engaging arm extending backwardly and slantwise from the front end of the fixing portion, the engaging arm having a front
arm extending backwardly from the front end of the fixing portion and being obliquely away from the fixing portion, a rear
arm connecting with the front arm and being bent toward the fixing portion and a contact portion formed at a boundary of the
front arm and the rear arm; and

a support member stamped from the fixing portion and extending forwardly and inwardly towards the engaging arm, wherein the
support member is a cantilevered arm having an engaging portion at a distal end thereof, the engaging portion being disposed
between the rear arm and the fixing portion in such a manner that the engaging portion is correspondingly aligned with the
rear arm of the engaging arm in an inward-to-outward direction perpendicular to the fixing portion, and wherein the engaging
portion is adapted for abutting against the rear arm.

US Pat. No. 9,787,008

CABLE END CONNECTOR AND METHOD MAKING THE SAME

ALLTOP ELECTRONICS (SUZHO...

1. A cable end connector, comprising:
a first contact module comprising a plurality of first contacts and a first insulator retaining said first contacts, each
of said plurality of first contacts comprising a first fastening portion assembled in said first insulator, a first contacting
portion extending from said first fastening portion, and a first tail portion extending from said first fastening portion
opposite to said first contacting portion;

a second contact module comprising a plurality of second contacts and a second insulator retaining said second contacts, each
of said plurality of second contacts comprising a second fastening portion assembled in said second insulator, a second contacting
portion extending from said second fastening portion, and a second tail portion extending from said second fastening portion
opposite to said second contacting portion;

a central grounding unit comprising a central grounding pad and a pair of grounding locking arms extending at opposite sides
of said central grounding pad, said central grounding pad sandwiched between said first and said second insulators;

a shielding shell enclosing said first and said second contact modules; and
a grounding means comprising an upper grounding pad and a lower grounding pad, said upper grounding pad and said lower grounding
pad assembled to said first and said second insulators along a height direction, respectively, said upper grounding pad sandwiched
between said first contact module and said shielding shell, said lower grounding pad sandwiched between said second contact
module and said shielding shell.

US Pat. No. 9,647,387

ELECTRICAL CONNECTOR WITH GROUNDING TERMINAL

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector for electrically connecting with a complementary connector, comprising:
a first contact module including a plurality of first contacts and a first insulator retaining said first contacts, each of
said plurality of first contacts comprising a first fastening portion assembled in said first insulator, a first contacting
portion extending from said first fastening portion, and a first soldering terminal portion extending from said first fastening
portion opposite to said first contacting portion;

a second contact module including a plurality of second contacts and a second insulator retaining said second contacts, each
of said plurality of second contacts comprising a second fastening portion assembled in said second insulator, a second contacting
portion extending from said second fastening portion, and a second soldering terminal portion extending from said second fastening
portion opposite to said second contacting portion;

a shielding shell covered around said first and said second contact modules; and
a latching member assisting to secure the connection between said electrical connector with said complementary connector;
wherein said first contacts and said second contacts each have a pair of grounding terminals; and
wherein said latching member connects with said pair of grounding terminals of said first contact module or said second contact
module.

US Pat. No. 9,130,293

ELECTRICAL CONNECTOR WITH IMPROVED CONTACT STRUCTURE

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing comprising a front wall, a rear wall opposite to the front wall, a top wall, a bottom wall opposite
to the top wall and a pair of sidewalls connecting with the opposite front wall and rear wall, and opposite top wall and bottom
wall, the insulative housing defining a plurality of contact-receiving slots penetrating the front wall to the rear wall;

a plurality of conductive contacts respectively received in the contact-receiving slots of the insulative housing, each conductive
contact being substantially located in a main surface and comprising a contacting portion extending beyond the front wall
of the insulative housing, an intermediate portion extending rearward from the contacting portion and received in the contact-receiving
slot, and a termination portion bending vertically from the intermediate portion; the intermediate portion being torn to form
at least an interfering means which extends away from the main surface to interferentially engage with the contact-receiving
slot for retaining the conductive contact in the insulative housing reliably;

wherein the interfering means comprises a first interfering section and a second interfering section arranged along an up-to-down
direction of the intermediate portion of the conductive contacts;

wherein the insulative housing defines a plurality of first interference channels and a plurality of second interference channels
recessed toward the front wall from the rear wall, each pair of first and second interference channels are arranged along
the up-to-down direction and communicate with the same contact-receiving slot, and wherein the first and second interfering
sections of the conductive contact respectively interferentially engage with the first and second interference channels;

wherein the first and second interference channels both extend perpendicularly to the contact-receiving slot and located at
the same side of the contact-receiving slot;

wherein each contact-receiving slot defines a retaining slot recessed upwardly toward the top wall from an upper inner wall
thereof, and wherein the first interfering section of each conductive contact is received in both the retaining slot and the
first interference channel; and

wherein the contact-receiving slot forms a block therein to block an uppermost edge of the intermediate portion of the conductive
contact to restrict the movement in a front-to-back direction of the conductive contact;

wherein the length along a transverse direction of the second interference channel is longer than that of the first interference
channel; and

wherein the rear wall of the insulative housing is partially cut to form a cutout which communicates with the contact-receiving
slots, and wherein the termination portions of the conductive contacts are exposed into the cutout.

US Pat. No. 9,954,326

CABLE END CONNECTOR WITH A PLURALITY OF CONTACT MODULES, SHIELDING SHELLS AND GROUNDING MEANS

ALLTOP ELECTRONICS (SUZHO...

1. A cable end connector, comprising:a first contact module comprising a plurality of first contacts and a first insulator retaining said first contacts, said first insulator having a first tongue section and a first assembling section;
a second contact module comprising a plurality of second contacts and a second insulator retaining said second contacts, said second insulator having a second tongue section and a second assembling section;
a central grounding unit sandwiched between said first and said second insulators;
a grounding means attached to said first and said second contact modules, said grounding means comprising an upper grounding pad located above said central grounding unit and a lower grounding pad located below said central grounding unit; and
a shielding shell enclosing said first and said second contact modules and electrically connecting with said grounding means, said shielding shell having a front shell and a rear shell partially overlapped on said front shell;
wherein said front shell substantially encloses said first and said second tongue sections of said first and said second contact modules, said central grounding unit and said grounding means; and
wherein said rear shell covers said first and said second assembling sections of said first and said second contact modules; and
wherein said rear shell provides a first shielding section assembled to a rear side of said front shell and a second shielding section enclosing said first assembling section and said second assembling section, and wherein said first shielding section forms a plurality of front erecting edges at opposite upper and lower sides thereof to reinforce the whole strength during insert-molding and said second shielding section forms a plurality of solder tails for soldering.

US Pat. No. 9,837,769

USB CONNECTOR HAVING AN IMPROVED GROUNDING

ALLTOP ELECTRONICS (SUZHO...

1. A Universal Serial Bus connector pluggable with a complementary connector, comprising:
a first contact module comprising a plurality of first contacts and a first insulator retaining said first contacts, each
of said plurality of first contacts comprising a first fastening portion assembled in said first insulator, a first contacting
portion extending from said first fastening portion, and a first tail portion extending from said first fastening portion
opposite to said first contacting portion, said first contacts comprising a pair of grounding contacts;

a second contact module comprising a plurality of second contacts and a second insulator retaining said second contacts, each
of said plurality of second contacts comprising a second fastening portion assembled in said second insulator, a second contacting
portion extending from said second fastening portion, and a second tail portion extending from said second fastening portion
opposite to said second contacting portion, said second contacts comprising a pair of grounding contacts;

a shielding shell enclosing said first and said second contact modules, said shielding shell providing a front mating face;
and

a plurality of grounding members each connecting with respective ones of said grounding contacts of said first and said second
contacts, said grounding members and said grounding contacts extending within different planes;

wherein said grounding member defines a front contact tab for contacting with said complementary connector and said grounding
contact defines a front edge end, and said front contact tab is closer to said front mating face of said shielding shell than
said front edge end.

US Pat. No. 9,893,449

ELECTRICAL CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:
an insulative housing being elongated, and provided with a bottom mounting portion and a mating portion extending upwards
from the mounting portion, the mounting portion having a cavity opening downwardly, the mating portion having a central mating
space extending along a lengthwise direction and a pair of side walls on both sides of the mating space, and a plurality of
contact receiving passageways defined on each side wall and communicated with the cavity along a height direction; and

two contact modules assembled into the insulative housing from a lower side of the mounting portion along a down-to-up direction,
and each contact module having an insulator received in the cavity and a plurality of contacts insert-molded in the insulator,
each contact defining a contacting arm projecting upwards into the relative contact receiving passageway and a soldering portion
extending downwards to be exposed out of the relative insulator;

wherein the insulative housing defines a pair of locating portions extending downwards from two sides of the mounting portion,
the distance between the pair of locating portions is smaller than an internal diameter of the cavity along the lengthwise
direction, and a pair of demising slots are formed on an interior side of each locating portion for the contact modules passing
through.

US Pat. No. 10,772,201

FLAT DATA TRANSMISSION CABLE

ALLTOP ELECTRONICS (SUZHO...

1. A flat data transmission cable, comprising:a plurality of juxtaposed wires, and each wire having a conductor;
a plastic layer enclosing on the wires integrally;
wherein central axes of the conductors are located on a same plane, and the plastic layer defines a top surface and a bottom surface parallel to the plane in which the central axes of the conductors located, the wires comprise at least two grounding wires and at least a signal wire between the two grounding wires, the flat data transmission cable further comprises a metallic layer formed by a metal material belt arranged on an outer side of the plastic layer in a spiral winding way, the metallic layer has at least an aluminum foil layer and a bonding layer arranged on the side of the aluminum foil layer facing to the plastic layer, the metallic layer is bonded to the outer side of the plastic layer after the bonding layer hot melting, the metal belt has a width W, in a length direction of the data transmission cable, the metal belt is wound with N rings, the data transmission cable has a length L, and the requirement of L

US Pat. No. 9,905,948

ELECTRICAL CONNECTOR WITH A BETTER FLATNESS OF SOLDERING TAILS

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector for mounting on a printed circuit board, comprising:
an insulative housing having a main portion and a mating portion extending forwardly from the main portion, the mating portion
defining a top wall, a bottom wall and a mating cavity formed between the top wall and the bottom wall, the bottom wall having
a first segment, a second segment spaced apart from the first segment and a protrusion extending away from the mating cavity,
the protrusion located between the first segment and the second segment; and

a plurality of contacts retained in the insulative housing, and each contact having a retention portion retaining in the main
portion, a contacting arm extending forwardly from a front end of the retention portion to the mating portion and a rear soldering
tail for connecting with the printed circuit board, and the plurality of contacts comprising a group of first contacts, a
group of second contacts, a group of third contacts and a group of fourth contacts, the contacting arms of the first contacts
arranged side by side in the top wall and exposed downwards in the mating cavity, the contacting arms of the second contacts
and the third contacts juxtaposed in the first segment and the second segment of the bottom wall respectively, the contacting
arms of the fourth contacts abreast in the protrusion of the bottom wall; wherein

a distance between the retention portion and the soldering tail of each fourth contact along a height direction is larger
than a distance between the retention portion and the soldering tail of each second contact along the height direction.

US Pat. No. 9,881,717

CABLE FOR EFFECTIVE TRANSMISSION OF HIGH SPEED SIGNAL

ALLTOP ELECTRONICS (SUZHO...

1. A cable used for signal transmission, comprising:
a wire set having a first wire and a second wire arranged abreast, the first wire and the second wire being adjacent to each
other;

wherein each of the first wire and second wire is provided with a first conductor at a center position thereof, a first layer
wrapping the first conductor and a second layer wrapping the first layer, and the dielectric coefficient of the first layer
is lower than that of the second layer, the second layer is a wave-absorbing layer.

US Pat. No. 9,634,436

ELECTRICAL CONNECTOR WITH LOCKING STRUCTURES FOR ASSEMBLING CONTACT MODULES

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector comprising:
an insulative housing comprising a mounting portion and a mating portion extending forwardly from the mounting portion along
a longitudinal direction, the mating portion comprising a mating surface and a plurality of contact-receiving slots extending
through the mating surface, the mounting portion comprising a mounting surface and a mounting space extending through the
mounting surface;

a plurality of first contact modules each comprising a first wafer and a plurality of first contacts fixed in the first wafer,
each first contact comprising a first contact portion extending forwardly beyond the first wafer, a first mounting leg extending
downwardly beyond the first wafer and a first connecting portion insert-molded in the first wafer;

a plurality of second contact modules each comprising a second wafer and a plurality of second contacts fixed in the second
wafer, each second contact comprising a second contact portion extending forwardly beyond the second wafer, a second mounting
leg extending downwardly beyond the second wafer and a second connecting portion insert-molded in the second wafer;

a plurality of third contacts each comprising a flat main portion, a plurality of third contact portions extending forwardly
from the main portion and a plurality of third mounting legs extending downwardly from the main portion; wherein

the first contact modules, the second contact modules and the third contacts are accommodated in the mounting space with the
first contact portions, the second contact portions and the third contact portions extending into corresponding contact-receiving
slots; and wherein

one of the first contact modules, one of the second contact modules and one of the third contacts are arranged side by side
along a transverse direction perpendicular to the longitudinal direction; and wherein

one of the first wafers and one of the second wafers cooperatively comprise mutual locking structures so that the one of the
first wafers and the one of the second wafers can be inserted into the mounting space in turn under a predetermined sequence;
and wherein

the mounting portion comprises a top wall which comprises a plurality of guiding slots in communication with the mounting
space to position the second contact modules and the third contacts, the one of the second wafers comprising an upper protrusion
which is received in corresponding guiding slot, the upper protrusion being positioned nearer to the one of the first wafers
than to an adjacent main portion of the third contacts.

US Pat. No. 10,566,738

ELECTRICAL CONNECTOR HAVING A LOCKING MECHANISM

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:an insulative housing having a first side and a second side opposite to each other;
a plurality of contacts retained in the corresponding contact-receiving passageways of the insulative housing;
a plurality of wires mechanically and electrically connected with the contacts; and
a locking mechanism for locking the electrical connector with a complementary connector; wherein
the locking mechanism comprises a rotating member rotatably connected to the insulative housing and a fastener on an inner side of the rotating member, the rotating member has a pair of opposite rotary arms and an holding arm connected with the two rotary arms, the rotary arms are rotatably connected to the insulative housing, and the fastener is arranged on an inner side of the holding arm, the rotating member has a first status and a second status which can be switched by rotation, while the rotating member in the first status, the electrical connector and the complementary connector can be freely plugged in or separated from each other, and while the rotating member being rotated to near or in the second status, the fastener rotates or shifts to achieve a locking of the electrical connector and the complementary connector.

US Pat. No. 9,905,960

ELECTRICAL CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector for mounting to a printed circuit board and mating with a complementary connector, comprising:
an insulative housing defines a front face for mating with the complementary connector and a mounting wall opposite to the
front face, a mating cavity formed between the front face and the mounting wall for accommodating the complementary connector,
a plurality of passageways penetrating through the mounting wall along a mating direction;

a plurality of electrical contacts received in the corresponding passageways, and each electrical contact comprising a contacting
portion for electrically connected with the complementary connector, a tail portion electrically connected with the printed
circuit board, and a main portion connecting the contacting portion with the tail portion, each main portion defining a plurality
of barbs on both sides thereof for interferentially engaging with the corresponding passageway; and

a sealing member received in the mating cavity, and having a base portion and at least one opening defined in the base portion
for tail portions of electrical contacts passing through; wherein

at least one electrical contact defines a wing on one side thereof, and the sealing member is restricted between the wing
and the mounting wall.

US Pat. No. 10,772,203

FLAT DATA TRANSMISSION CABLE

ALLTOP ELECTRONICS (SUZHO...

1. A flat data transmission cable, comprising:a plurality of juxtaposed wires, and each wire having a conductor;
a plastic layer enclosing on the wires integrally;
a metallic layer formed by a metal material belt arranged on an outer side of the plastic layer in a spiral winding way;
wherein the metallic layer has at least an aluminum foil layer and a bonding layer arranged on the side of the aluminum foil layer facing to the plastic layer, the metallic layer is bonded to the outer side of the plastic layer by the bonding layer, the metal belt has a width W, in a length direction of the data transmission cable, the metal belt is wound with N rings, the data transmission cable has a length L, and the requirement of L

US Pat. No. 10,395,795

DATA TRANSMISSION CABLE

ALLTOP ELECTRONICS (SUZHO...

1. A data transmission cable, comprising:a first wire and a second wire adjacent to each other, each of the first wire and the second wire having a central conductor and a cover layer enclosing the conductor, and the conductor of the first wire has an outer diameter same as the conductor of the second wire;
wherein the ratio of the center distance between the first wire and the second wire to the outer diameter of the conductor is in the range of 1.7 to 2.35, the first wire and the second wire are served as a differential pair, and the cover layer is set to make the differential impedance between the first wire and the second wire be controlled in 78 to 107 Ohm when the ratio of the center distance between the first wire and the second wire to the outer diameter of the conductor is in the range of 1.7 to 2.35.

US Pat. No. 10,270,199

POWER CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. A power connector, comprising:an insulative housing having a plurality of receiving slots arranged side by side along a transverse direction;
a plurality of power contact pairs retained in the insulative housing abreast along the transverse direction, and each power contact pair having a pair of power contacts opposite to each other; and
a plurality of parallel fasteners, and each parallel fastener connecting the pair of power contacts of each power contact pair mechanically and electrically together;
wherein the insulative housing defines a plurality of accommodating grooves, and each accommodating groove is located behind and communicated with the corresponding receiving slot, each parallel fastener is locked in the corresponding accommodating groove, and fixing the corresponding power contact pair in the accommodating groove, each parallel fastener has a main portion and a protrusion extruding backwards from the main portion, and the protrusion has a smaller width than the main portion along the transverse direction.

US Pat. No. 10,177,481

ELECTRICAL CONNECTOR AND ELECTRICAL CONNECTOR ASSEMBLY WITH THE SAME

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:an insulative housing having a plurality of contact-receiving passageways extending through thereof along a front-and-back direction;
a plurality of contacts inserted into the corresponding contact-receiving passageways along a rear-to-front direction, and including at least one row arranged along a transverse direction, each contact defining a contacting part contacting with a complementary contact and a crimping portion connected with a wire; and
a limiting member assembled to the insulative housing; wherein
the insulative housing defines a positioning slot recessed upwards from a lower surface of a bottom wall thereof, and the positioning slot extends along the transverse direction, the limiting member is inserted and retained in the positioning slot for locking the plurality of contacts simultaneously, each contact has an elastic arm extending slantways and a stopping plate on one side of the elastic arm, the limiting member defines at least one row of receiving slots arranged along the transverse direction, a lug boss is defined in each receiving slot and protruding along an insertion direction of the limiting member, when the limiting member incompletely assembled into the positioning slot along the insertion direction, the contacts are inserted into the corresponding contact-receiving passageways along the front-and-back direction, until a free end of the elastic arm abutting against a front surface of the lug boss to form a pre-position, then the limiting member is pushed into the positioning slot completely, until a back end of the stopping plate abutting against a stopping surface of the limiting member.

US Pat. No. 9,899,759

POWER CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. A power connector for electrically connecting with a complementary connector, comprising:
an insulating housing defining a plurality of channels throughout a mating face and a mounting face opposite to said mating
face; and

a plurality of pairs of power contacts received in corresponding channels, each pair of power contacts comprising a pair of
oppositely arranged two power contacts, each power contact provided with a retaining portion fixed within said channel, a
contacting portion extending from one end of said retaining portion and a tail portion extending from the other end of said
retaining portion;

wherein said contacting portion is formed with at least one first contacting finger and at least one second contacting finger,
said at least one first contacting finger defining a first contacting area and said at least one second contacting finger
defining a second contacting area; and wherein said first contacting area and said second contacting area are arranged along
a front-to-back direction;

wherein said second contacting finger comprises a forwards projecting portion, a backwards projecting portion and a curved
portion connecting said forwards projecting portion and said backwards projecting portion, and wherein said second contacting
area is defined on said backwards projecting portion and a slit is defined between said first contacting finger with said
backwards projecting portion.

US Pat. No. 9,620,910

CABLE CONNECTOR

ALLTOP ELECTRONICS (SUZHO...

1. A cable connector, comprising:
a single piece insulative housing defining a mating space for receiving a mating connector;
a plurality of contacts arranged on the insulative housing in two rows, each row of the contacts having two grounding contacts
at two lateral sides thereof, two pairs of differential signal contacts between the grounding contacts, the differential signal
contacts in two rows being identical in signal transmission and arranged reversely, each contact having a retaining portion
retained in the insulative housing, a contact portion extending into the receiving space from one end of the retaining portion,
a connecting portion extending from another end of the retaining portion;

an internal circuit board having a plurality of first golden fingers and a plurality of second golden fingers at opposite
two ends thereof, the first golden fingers connecting with the connecting portions, and the second golden fingers electrically
connecting with the first golden fingers; and

a flat cable having a plurality of wires connecting with the second golden fingers and a coating retaining at outside of the
wires, all wires being arranged in a row and the center axes of all wires being located in a same plane;

wherein the flat cable is provided with a wire set, and the wire set is provided with a first wire and a second wire which
present as differential pair, each of the first wire and second wire is provided with a first conductor, a first layer wrapping
the first conductor and a second layer wrapping the first layer, and the dielectric coefficient of the first layer is lower
than that of the second layer.

US Pat. No. 10,772,202

FLAT DATA TRANSMISSION CABLE

ALLTOP ELECTRONICS (SUZHO...

1. A flat data transmission cable, comprising:a plurality of juxtaposed wires;
a plastic layer enclosing on the wires integrally;
a metallic layer formed by a metal material belt arranged on an outer side of the plastic layer in a spiral winding way;
wherein in the length direction of the data transmission cable, the data transmission cable has at least one bending portion, the data transmission cable is formed with a first section and a second section on both sides of the bending portion, and a stable bending angle is formed between the first section and the second section, the wires comprise a plurality of grounding wires and a plurality of signal wires, two signal wires neighboring to each other constitute a signal wire group, the wires are disposed in an equally spaced arrangement, and conductors of the wires have a same outer diameter, and the ratio of the center distance between every two neighboring wires to the outer diameter of the conductor is in the range of 1.4 to 2.8.

US Pat. No. 10,673,166

ELECTRICAL CONNECTOR HAVING A RETAINER

ALLTOP ELECTRONICS (SUZHO...

1. An electrical connector, comprising:an insulative housing having a plurality of contact-receiving passageways extending along a front-and-back direction; and
a plurality of contacts retained in the insulative housing, and the contacts being inserted into the corresponding contact-receiving passageways along a rear-to-front direction, each contact having a retaining section, a mating section extending forwards from the retaining section and a crimping section extending rearwards from the retaining section; wherein
the insulative housing defines a positioning portion opening outwards along an up-and-down direction, and the positioning portion is communicated with the contact-receiving passageways, the retaining section is provided with an elastic retaining arm extending backwards, a pair of cutouts on both sides of the retaining arm along a transverse direction, and a pair of limiting walls exposed in the cutouts and the positioning portion;
when the contacts assembled to the relative contact-receiving passageways, each retaining arm is abutting against a rear inner surface of the positioning portion via a free end thereof to prevent the contact moving backwards, the electrical connector further comprises a retainer matched with the insulative housing, and the retainer defines a plurality of limiting blocks extruding into the positioning portion and the corresponding cutouts, and the limiting blocks are abutting against the relative limiting walls.