US Pat. No. 9,408,325

CENTER PIVOT SWING-OUT WALL RACK

Hoffman Enclosures, Inc.,...

1. A swing-out wall rack for mounting electrical equipment, the swing-out wall rack comprising:
a frame configured to couple to a wall; wherein the frame comprises:
a vertical member; a plurality of fastener openings disposed through the vertical member, each fastener
opening of the plurality of fastener openings receiving a corresponding fastener to couple the frame directly to the wall
when the vertical member is disposed against the wall;

a first horizontal arm having a proximal end and a distal end and being coupled to the vertical member at the proximal end;
wherein the frame further includes a second horizontal arm, the second horizontal arm including a proximal end and a distal
end, the proximal end of the second horizontal arm coupled to the vertical member such that the second horizontal arm is vertically
spaced from the first horizontal arm and substantially parallel to the first horizontal arm; and

a rack configured to store electrical equipment, the rack extending a width and a height, the rack including a first side
and a second side, the second side being opposite from the first side, the rack further including a mid-point, the mid-point
being approximately equidistant from the first side and the second side, wherein the rack is rotatably coupled at the mid-point
to the first and second horizontal arms, wherein the rack can rotate 360° with respect to the frame;

a locking pin, the locking in configured to selectively allow the rack to be locked in more than one rotatable orientation
with respect to the frame;

wherein the rack includes at least three holes in an annular path, the locking in located along the annular path such that
as the rack rotates with respect to the frame, the locking in can engage one of the at least three holes to lock the rack
with respect to the frame.

US Pat. No. 9,516,783

THERMOELECTRIC COOLER CONTROLLER

Hoffman Enclosures, Inc.,...

1. A thermal management system for enclosure containing electrical components, the thermal management system comprising:
a thermoelectric cooling unit mounted on the enclosure such that the cooling unit cools an interior space of the enclosure,
the cooling unit having a fan for driving air into the interior space; and

a controller in electrical communication with the cooling unit and configured to operate one or more components of the cooling
unit, the controller being located within the enclosure and comprising:

a circuit board;
an input quick connector disposed on the circuit board and configured to receive a first cable connector for providing power
to the circuit board; and

an output quick connector disposed on the circuit board in electrical communication with the input quick connector, and configured
to receive a second cable connector for supplying power from the input quick connector to the fan of the cooling unit.

US Pat. No. 9,447,629

STRIP GASKET

Hoffman Enclosures, Inc.,...

1. A strip gasket for an enclosure, the strip gasket comprising:
a base having a first surface;
a first adhesive strip attached to the base and extending along the first surface, the first adhesive strip comprising:
a first adhesive; and
a non-stretchable carrier extending along the first surface and preventing the strip gasket from stretching or shrinking over
time; and

a second adhesive strip attached to the base and extending along the first surface parallel to the first adhesive strip, the
second adhesive strip comprising a second adhesive that prevents ingress of water and dust under the strip gasket and into
the enclosure when the strip gasket is mounted on the enclosure.

US Pat. No. 9,494,756

HOLE SEAL FOR AN ENCLOSURE

Hoffman Enclosures, Inc.,...

9. A hole seal for an enclosure for use in a hazardous environment, the hole seal comprising:
a circular first retaining plate having a first surface, a second surface opposite the first surface, a flange, and at least
one cylindrical stud extending from the second surface;

a circular second retaining plate having a first surface, a second surface opposite the first surface of the second retaining
plate, and a circular first opening configured to accept the at least one cylindrical stud;

a circular gasket having a circular second opening, the circular gasket including an outer edge portion, at least a portion
of which covers the flange; and

a fastener having a circular third opening configured to accept the at least one cylindrical stud of the circular first retaining
plate.

US Pat. No. 9,398,719

CENTER PIVOT SWING-OUT WALL RACK

Hoffman Enclosures, Inc.,...

1. A swing-out wall rack for mounting electrical equipment, the swing-out wall rack comprising:
a frame configured to couple to a wall; wherein the frame comprises:
a vertical member; a plurality of fastener openings disposed through the vertical member, each fastener
opening of the plurality of fastener openings receiving a corresponding fastener to couple the frame directly to the wall
when the vertical member is disposed against the wall;

a mounting passage disposed through the vertical member, the swing-out wall rack further comprising a mounting hook configured
to be coupled to the wall and to receive the frame by passing through the vertical member via the mounting passage, thereby
mounting the swing-out wall rack to the wall for coupling to the wall; a first horizontal arm having a proximal end and a
distal end and being coupled to the vertical member at the proximal end;

wherein the frame further includes a second horizontal arm, the second horizontal arm including a proximal end and a distal
end, the proximal end of the second horizontal arm coupled to the vertical member such that the second horizontal arm is spaced
from the first horizontal arm and substantially parallel to the first horizontal arm; and

a rack configured to store electrical equipment, the rack having a width and a mid-point of the width, the rack rotatably
coupled at the mid-point to the first and second horizontal arms.

US Pat. No. 9,559,517

ENCAPSULATION OF COMPONENTS AND A LOW ENERGY CIRCUIT FOR HAZARDOUS LOCATIONS

Hoffman Enclosures, Inc.,...

1. An encapsulated compressor overload for use with air conditioning or refrigeration systems in a hazardous location where
flammable gases or vapors may exist, the encapsulated compressor overload comprising:
a compressor overload comprising:
a thermal sensor;
at least one overload terminal each attached to one of one or more wires;
a thermally conductive base bracket located next to the thermal sensor to allow the thermal sensor to sense temperature through
the base bracket; and

a disc coupled to the base bracket; and
encapsulation material forming an air tight cover surrounding the compressor overload and allowing the one or more wires and
the base bracket to extend through the air tight cover, such that sparks created by the compressor overload are completely
contained within the encapsulation material and prevented from coming into contact with the flammable gases and vapors.

US Pat. No. 9,714,770

FRESH AIR COOLING DEVICE

Hoffman Enclosures, Inc.,...

1. An air conditioning system including an air conditioning unit and a ventilator, the ventilator comprising:
at least one intake vent capable of receiving cool ambient air;
an exhaust vent capable of discharging warm air to the ambient environment;
a supply vent that provides cool air to an enclosure connected to the ventilator;
a return vent that receives warm air from the enclosure;
a filter;
an impeller;
at least one inlet damper;
at least one outlet damper; and
a ventilator control system, wherein the air conditioning unit includes a separate control system configured to interface
with and control the ventilator to pull cool ambient air from the at least one intake vent to flow through the filter and
to the supply vent and pushes warm air from the enclosure to flow from the return vent to the exhaust vent, the ventilator
control system configured to control the ventilator when the separate control system fails.

US Pat. No. 9,986,653

SHIELDING ARRANGEMENT FOR ENCLOSURES

Hoffman Enclosures, Inc.,...

1. An apparatus for selectively mounting a shield body to one or more enclosures drawn from a group including a first enclosure with first mounting features, and a second enclosure with second mounting features, the apparatus comprising:the shield body;
a plurality of mounting members, including a first base member attachable to the shield body, a second base member attachable to the shield body, a first crossing member, and a second crossing member;
first base-member fasteners slidably received by the first base member to couple the first crossing member and the second crossing member to the first base member;
second base-member fasteners slidably received by the second base member to couple the first crossing member and the second crossing member to the second base member;
first crossing-member fasteners slidably received by the first crossing member; and
second crossing-member fasteners slidably received by the second crossing member;
the first and second base-member fasteners being selectively positionable along the first and second base members, respectively, and the first and second crossing-member fasteners being selectively positionable along the first and second crossing members, respectively, to form:
a first arrangement in which the first and second crossing-member fasteners are positioned to secure the apparatus to the first mounting features; and
a second arrangement, different from the first arrangement, in which the first and second crossing-member fasteners are positioned to secure the apparatus to the second mounting features; and
the shield body being configured such that, when the apparatus is secured to at least one of the first enclosure and the second enclosure, at least one of:
a rear wall of the shield body extends below a lower edge of the at least one of the first enclosure and the second enclosure; and
a top wall of the shield body extends forwardly past a front edge of the at least one of the first enclosure and the second enclosure.

US Pat. No. 10,072,881

REDUCED FOOTPRINT THERMOELECTRIC COOLER CONTROLLER

Hoffman Enclosures, Inc.,...

1. A thermal management system for an enclosure containing electrical components, the thermal management system comprising:a thermoelectric cooling unit mounted on the enclosure such that the cooling unit heats and cools, in different operating modes, an interior space of the enclosure, the cooling unit comprising:
a frame attaching to the enclosure to mount the cooling unit to the enclosure;
a first fan mounted on an external side of the frame and pulling air into the cooling unit;
an internal heat sink attached to the frame on an internal side of the frame that faces into the interior space when the cooling unit is installed on the enclosure;
a housing mounted on the frame and extending into the interior space of the enclosure when the cooling unit is installed on the enclosure, the internal heat sink being disposed between the frame and the housing; and
a second fan mounted on the frame for circulating air within the interior space; and
a controller in electrical communication with the cooling unit, the controller being located within the housing and comprising:
a circuit board;
an input quick connector disposed on the circuit board and configured to receive a first cable connector for providing power to the circuit board;
an output quick connector disposed on the circuit board in electrical communication with the input quick connector, and configured to receive a second cable connector for supplying a first control signal and a second control signal to the cooling unit, the first control signal controlling a cooling operating mode of the cooling unit, and the second control signal controlling a heating operating mode of the cooling unit;
a first device header configured to receive a third cable connector for supplying power from the input quick connector to the first fan; and
a second device header configured to receive a fourth cable connector for supplying power from the input quick connector to the second fan.

US Pat. No. 10,512,190

SYSTEM FOR MOUNTING A PANEL WITHIN AN ENCLOSURE

Hoffman Enclosures, Inc.,...

1. A system for mounting a panel within an enclosure, the enclosure including an enclosure frame with a plurality of frame members, the system comprising:a plurality of slide blocks, each slide block including a slide-block support shelf that is configured to receive and support the panel and that is, when the slide block is seated on a support surface of a corresponding one of the frame members, at least partly separated from the support surface by a recess between the slide block and the support surface;
a plurality of stop blocks, each of the stop blocks including:
a stop surface; and
a tongue configured to nest within the recess between a corresponding one of the slide blocks and the support surface of the corresponding frame member;
the slide blocks being configured to provide a first installation configuration, in which:
with the panel in a horizontal orientation on a support structure and the enclosure frame in a horizontal orientation in alignment with the panel, securing the slide blocks to the panel and to the frame members secures the panel to the enclosure frame; and
the slide blocks continue to secure the panel to the enclosure frame as the enclosure frame and the panel are collectively rotated to a vertical orientation; and
the slide blocks and the stop blocks being configured to provide a second installation configuration, in which:
with the panel and the enclosure frame in respective horizontal orientations, the stop blocks are secured to the frame members with the stop surfaces disposed to receive and support the panel as the panel is lowered relative to the enclosure frame;
with the panel supported on the stop surfaces, the slide blocks are secured to the frame members with the tongues of the stop blocks nested within the recesses between the slide blocks and the support surfaces of the corresponding frame members; and
the slide blocks and the stop blocks collectively secure the panel to the enclosure frame as the enclosure frame and the panel are collectively rotated to the vertical orientation.

US Pat. No. 10,332,697

ENCAPSULATION OF COMPONENTS AND A LOW ENERGY CIRCUIT FOR HAZARDOUS LOCATIONS

Hoffman Enclosures, Inc.,...

1. An apparatus for preventing ignition of flammable gases and vapors in an environment surrounding an air conditioning system, the air conditioning system including a compressor and a transformer, the apparatus comprising:a sparking component for use in the air conditioning system, the sparking component receiving electrical power through one or more electrically live parts, the sparking component potentially producing sparks from one or more of the electrically live parts;
an encapsulation material forming an air tight cover surrounding the sparking component such that sparks created by the sparking component are completely contained within the encapsulation material and prevented from coming into contact with the flammable gases and vapors; and
a wiring circuit electrically connecting the sparking component, the compressor, and the transformer of the air conditioning system to a line voltage, the wiring circuit comprising:
a high energy circuit;
a low energy circuit;
a solid state relay, wherein a first portion of the solid state relay is configured to connect to the high energy circuit and a second portion of the solid state relay is configured to connect to the low energy circuit; and
a compressor start relay, wherein a first portion of the compressor start relay is configured to connect to the high energy circuit and a second portion of the compressor start relay is configured to connect to the low energy circuit.

US Pat. No. 10,502,463

THERMOELECTRIC COOLER CONTROLLER AND ANGLED MOUNTING THEREOF

Hoffman Enclosures, Inc.,...

1. A thermal management system for an enclosure containing electrical components, the thermal management system comprising:a cooling unit comprising:
a frame that mounts the cooling unit to the enclosure such that the cooling unit cools a first interior space of the enclosure;
a housing mounted on the frame and extending into the first interior space of the enclosure when the cooling unit is mounted on the enclosure; and
one or more fans supported at least partially by the frame and cooperating to circulate air that cools the first interior space; and
a controller in electrical communication with the cooling unit and configured to operate one or more components of the cooling unit, the controller comprising:
a circuit board mounted at an acute angle, with respect to vertical when the cooling unit is mounted on the enclosure, within the housing, the acute angle selected to allow the controller to be disposed entirely within the housing;
an input quick connector disposed on the circuit board and configured to receive a first cable connector for providing power to the circuit board; and
at least a first output quick connector disposed on the circuit board in electrical communication with the input quick connector, and configured to receive a second cable connector for supplying one or more signals from at least the input quick connector to the one or more components of the cooling unit.

US Pat. No. 10,422,159

ADJUSTABLE ROD GUIDE

Hoffman Enclosures, Inc.,...

1. A rod guide for mounting a latch rod relative to an enclosure, the rod guide comprising:a guide member including a guide-member helical surface and a guide opening to receive the latch rod;
a base member configured to attach to a surface of the enclosure, the base member including a base-member helical surface;
the base member supporting the guide member with the guide opening disposed at different distances from the surface of the enclosure when the guide-member helical surface is seated on the base-member helical surface with the guide member disposed at different respective rotational orientations relative to the base member;
a first fastener configured to secure the base member and the guide member to the enclosure;
a first at least one engagement feature disposed along one of the guide-member helical surface and the base-member helical surface;
a second at least one engagement feature disposed along a different one of the guide-member helical surface and the base-member helical surface;
wherein, with guide-member helical surface seated on the base-member helical surface and with the base member attached to the surface of the enclosure, the first at least one engagement feature engages the second at least one engagement feature to secure the guide-member at a first rotational orientation relative to the base member and to secure the guide opening at a first distance from the surface of the enclosure.

US Pat. No. 10,451,307

FLOAT DRAIN

Hoffman Enclosures, Inc.,...

1. A float drain and enclosure assembly comprising:a panel forming a portion of an enclosure, the panel defining a punch having radially extending lobes circumferentially separated by respective teeth, wherein one or more struts extend from between at least one of the lobes and at least one of the teeth to support a grating with a plurality of drainage holes;
a basket to collect liquid from the enclosure, the basket including a bottom wall and including a locking arrangement configured to engage the teeth to secure the basket in alignment with the punch;
a sealing structure that extends away from the bottom wall, the sealing structure including a sealing surface that surrounds an outlet of the basket; and
a float configured to:
in a sealing configuration, seat against the sealing surface to prevent fluid flow out of the outlet; and
rise off of the sealing surface, due to buoyancy forces from the liquid as the liquid collects in the basket, to allow the liquid to flow out of the outlet;
the basket having a plurality of ribs extending at least partly radially inwardly into an interior area of the basket to at least partly separate the float from an inner wall of the basket.