US Pat. No. 9,467,601

CAMERA SKID TRACTOR NOZZLE ASSEMBLY

Stoneage, Inc., Durango,...

1. A camera skid and thrust nozzle assembly comprising:
a tractor nozzle;
a cage rotatably fastened to and ahead of the tractor nozzle, wherein the cage can rotate about an axis through the tractor
nozzle; and a camera support structure fastened within the cage for rotation of the support structure about the axis, the
support structure configured to carry a camera in front of the tractor nozzle oriented to view ahead along the axis, wherein
the support structure includes a weight for urging rotational orientation of the camera support structure about the axis according
to a sensed external gravitational force while maintaining the camera view ahead, wherein the cage comprises:

a front cage portion having a cup shape with a central opening through a bottom of the cup shape;
a rear cage portion having another cup shape having a bottom and a central opening through a the bottom of the rear cage portion;
and

a mid cage portion having a cylindrical tubular shape, the mid cage portion being fixed to the rear cage portion.

US Pat. No. 9,395,001

HIGH PRESSURE FLUID SPRAY NOZZLE INCORPORATING A FLOW CONTROLLED SWITCHING VALVE

Stoneage, Inc., Durango,...

1. A nozzle assembly comprising:
a hollow nozzle body having a central bore and a plurality of ports extending through the body from the central bore; and
a switching valve cartridge disposed in the central bore operable to direct fluid flow from an inlet to at least one of the
plurality of ports upon application of fluid flow above a predetermined threshold to the inlet and direct fluid flow from
the inlet to at least a different one of the plurality of ports upon fluid flow having subsequently dropped below the predetermined
threshold and then exceeding the predetermined threshold, the cartridge comprising:

a cylindrical cartridge case having a front portion and a cup shaped rear portion;
a cylindrical poppet slidably disposed within the cup shaped rear portion of the cartridge case;
a guide cooperating with the poppet to alternate fluid flow between the ports wherein the guide includes one or more guide
members engaging the poppet to alternatingly align the poppet with the at least one of the plurality of ports and the different
one of the plurality of ports each time the poppet abuts the front portion of the case; and

a biasing member within the cartridge case between the front portion of the case and the poppet urging the poppet away from
the front portion of the cartridge case. wherein each transition below the predetermined threshold causes the poppet to rotate
the permit fluid flow to alternate between the first and second set of ports.

US Pat. No. 9,440,817

APPARATUS FOR STORING AND DISPENSING A HIGH PRESSURE HOSE

Stoneage, Inc., Durango,...

1. An apparatus for storing and dispensing a high pressure hose, comprising:
a first rotatable drum with a helical groove;
a hose wrapped at least partially around the first drum in a first direction and having one end of the hose fixed to the first
drum and a portion of the hose disposed in the groove;

a second rotatable drum having a cable separate from the hose wrapping at least partially around the second drum in a second
opposite direction, the cable having one end fixed to the second rotatable drum and an opposite end fixed to the first rotatable
drum; and,

at least one actuator for oppositely rotating the first and second drums configured to maintain the portion of the hose disposed
in the groove in contact with the cable and the first drum during rotation of the drums.

US Pat. No. 9,845,594

HIGH PRESSURE FLUID SPRAY NOZZLE INCORPORATING A FLOW CONTROLLED SWITCHING VALVE

Stoneage, Inc., Sacramen...

1. A nozzle assembly comprising:
a hollow nozzle body having a central bore and a plurality of ports extending through the body from the central bore; and
a switching valve cartridge disposed in the central bore operable to direct fluid flow from an inlet to at least one of the
plurality of ports upon application of fluid flow above a predetermined threshold to the inlet and direct fluid flow from
the inlet to at least a different one of the plurality of ports upon fluid flow having subsequently dropped below the predetermined
threshold and then exceeding the predetermined threshold, the cartridge comprising:

a cylindrical cartridge case having a front portion and a cup shaped rear portion;
a cylindrical poppet having at least one axially extending through bore to permit fluid flow therethrough slidably disposed
within the cup shaped rear portion of the cartridge case;

a guide cooperating with the poppet to alternate fluid flow between the ports; and
a biasing member within the cartridge case between the front portion of the case and the poppet urging the poppet away from
the front portion of the cartridge case.

US Pat. No. 9,067,220

SELF REGULATING FLUID BEARING HIGH PRESSURE ROTARY NOZZLE

STONEAGE, INC., Durango,...

1. A fluid bearing nozzle assembly for spraying high pressure fluid comprising:
an inlet nut;
a hollow cylindrical body; and
a hollow tubular shaft member coaxially carried within the hollow cylindrical body and captured between the inlet nut and
the body, the inlet nut having a stem portion extending into a central bore, the stem portion forming an inlet bearing area
rotatably carrying the shaft member thereon, the shaft member having an outlet end near an outlet end of the housing body,
the outlet end of the shaft member receiving a spray head fastened thereto for rotation of the head with the shaft member,
said inlet nut having a central passage to conduct fluid through the inlet nut to said outlet end of the shaft member;

an inner wall of the hollow cylindrical body and an outer portion of the shaft having complementary surface shapes together
forming a regulating passage therebetween, said shaft member having one or more bores communicating between the inlet bearing
area and the regulating passage, wherein pressure of fluid within the regulating passage acts axially upon the shaft to counter
axial force on the shaft resulting from fluid pressure acting upon an inlet end of the shaft, and wherein the outer portion
of the shaft has a helical groove there-around extending from the one or more bores along a substantial portion of the outer
portion of the shaft and wherein fluid flow through the regulating passage and the helical groove imparts a rotational torque
on the shaft to cause rotation of the shaft on the stem portion of the inlet nut.

US Pat. No. 9,964,368

FLEXIBLE MULTI-TUBE CLEANING LANCE POSITIONER GUIDE APPARATUS

STONEAGE, INC., Durango,...

1. In a high pressure fluid multiple tube cleaning apparatus including a frame for holding a flexible lance positioning mechanism adjacent to and spaced from a heat exchanger tube sheet, wherein the frame includes an upper guide rail; a lower guide rail, a positioner rail supported from one of the upper and lower guide rails and wherein the lance positioning mechanism is movably supported on the positioner rail, a pitch adjustment apparatus fastened to one of the positioner rail and the positioning mechanism supporting a plurality of hollow lance guide tubes, the pitch adjustment apparatus comprising:a housing supporting proximal ends of the plurality of hollow lance guide tubes therein;
a hose stop bracket fixed to one end of the housing holding each of the proximal ends of the plurality of hollow lance guide tubes; and
a guide tube pitch clamp assembly supported from the housing and spaced from the stop bracket having a cross bar clamp oriented to span across the plurality of guide tubes to maintain the hollow lance guide tubes in a spaced relation in the housing.

US Pat. No. 9,844,845

COIL CLAD HOSE ASSEMBLY APPARATUS AND METHOD

Stoneage, Inc., Durango,...

1. A method of assembling a coil clad hose, the method comprising:
suspending a spring wire coil helix having opposite ends between first and second carriages mounted on an axially extending
rail;

rotating one of the ends of the wire coil helix to expand the wire coil helix;
inserting a hose through the expanded helix;
counter rotating the one end to contract the helix onto the hose;
installing an end fitting and a ferrule onto each end of the hose;
fixing one end of the helix together with the ferrule and the hose at one end of the hose;
adjusting a pitch of at least a portion of the helix along the hose; and
fixing the wire coil helix and the hose together with the ferrule at the opposite end of the hose.

US Pat. No. 9,662,689

FLEXIBLE MULTI-TUBE CLEANING LANCE POSITIONER GUIDE APPARATUS

Stoneage, Inc., Durango,...

1. In a high pressure fluid multiple tube cleaning apparatus including a frame for holding a flexible lance positioning mechanism
adjacent to and spaced from a heat exchanger tube sheet, wherein the frame includes an upper guide rail; a lower guide rail,
a positioner rail supported from one of the upper and lower guide rails and guided by the other of the upper and lower guide
rails, and wherein the lance positioning mechanism is movably supported on the positioner rail, a pitch adjustment apparatus
fastened to the positioning mechanism and supporting a plurality of lance guide tubes, the pitch adjustment apparatus comprising:
an elongated rectangular tubular housing supporting proximal ends of the plurality of guide tubes therein;
a hose stop bracket fixed within one end of the housing holding each of the proximal ends of the plurality of guide tubes;
a guide tube pitch clamp assembly carried within and supported from the housing and spaced from the stop bracket, wherein
the pitch clamp assembly has at least two V-blocks fastened to a threaded rod, wherein one V-block is fastened to a portion
of the threaded rod having right hand threads, and another V-block is fastened to another portion of the threaded rod having
left hand threads, each of the V-blocks supporting a portion of one of the guide tubes spaced from the stop bracket, and a
cross bar clamp oriented to span across the V-blocks wherein distal ends of the guide tubes extend from the housing, whereby
spacing between the distal ends of adjacent guide tubes is adjusted by rotation of the threaded rod.

US Pat. No. 9,610,603

HIGH PRESSURE WATERBLASTING NOZZLE MANIPULATOR APPARATUS

Stoneage, Inc., Durango,...

1. A high pressure fluid nozzle manipulator apparatus comprising:
a chassis,
a pair of parallel manipulator elevator rails supported by an elevator rail rotator fastened to the chassis,
a horizontal extensible arm rail disposed between and carried by the manipulator elevator rails,
a rotary wrist actuator fastened to a distal end of the horizontal extensible arm rail, and
a linear actuator fastened between the rotary actuator and a hinged nozzle support bracket;
wherein a portion of the bracket is configured to hold a high pressure cleaning nozzle therein, the linear actuator is configured
to rotate the nozzle and the bracket through an arc, the elevator rail rotator is configured to rotate the elevator rails
through an arc of at least about 180 degrees around an elevator rail rotator axis, and the rotary actuator is configured to
rotate the hinged nozzle support bracket in at least about a 270 degree arc in a plane orthogonal to a horizontal axis through
the extensible arm rail.

US Pat. No. 9,550,649

APPARATUS FOR PROPELLING A COIL CLAD HOSE

STONEAGE, INC., Durango,...

1. An apparatus for feeding and retracting coil clad portions of one or more high pressure hose assemblies, the apparatus
comprising:
a primary bull gear fastened to a driven drive axle
a secondary bull gear rotatably fastened to a follower axle extending parallel to the drive axle such that the secondary bull
gear meshes with the primary bull gear; and

one or more bull gear/sprocket modules fastened to each of the driven drive axle and the follower axle;
each of the bull gear/sprocket modules having a bull gear with bull gear teeth extending to a first outer diameter and a sprocket
gear having sprocket gear teeth extending a distance less than the first outer diameter, wherein the bull gear teeth of each
one of the modules on the drive axle mesh with corresponding bull gear teeth of a corresponding one of the modules on the
follower axle, and wherein the sprocket gear teeth of corresponding bull gear/sprocket modules are spaced apart so as to engage
opposite portions of a helical coil of the coil clad portion of the high pressure hose therebetween wherein each tooth on
each sprocket gear has a central recessed portion to accommodate passage of the high pressure hose and outer portions extending
radially beyond the central recessed portion for engaging the coil of the coil clad portion of the high pressure hose.

US Pat. No. 9,702,136

HIGH PRESSURE FLUID SPRAY NOZZLE INCORPORATING A FLOW CONTROLLED SWITCHING VALVE

STONEAGE, INC., Durango,...

1. A switching valve cartridge for use in a nozzle body having a central bore, the cartridge comprising:
a generally tubular cartridge case having a front portion and a cup shaped rear portion, the front portion having a peripheral
annular channel and a first plurality of axial bores therethrough for axial passage of fluid out of the front portion and
a second plurality of bores therethrough for passage of fluid to the annular channel;

a cylindrical poppet slidably disposed in the rear portion of the cartridge case, the poppet having a plurality of axially
extending poppet bores therethrough;

a biasing member within the rear portion of the cartridge case between the front portion and the poppet biasing the poppet
away from the front portion of the cartridge case; and

a guide member between the rear portion of the cartridge case and the poppet engaging a corresponding feature on the poppet
to rotate the poppet as it slides forward and rearward within the rear portion of the cartridge case.

US Pat. No. 9,433,982

APPARATUS FOR INSERTION IN A TANK AND METHOD THEREOF

Stoneage, Inc., Durango,...

1. A method for positioning an apparatus within an enclosed space, comprising:
positioning at least a portion of a plurality of nested segments within a first substantially straight portion of a rigid
tube, the first portion including a first end of the tube;

placing a hose in the tube;
connecting the hose to a distal segment from the plurality of nested segments;
engaging the first portion of the tube, a second substantially straight portion of the tube, and a curved portion of the tube,
between the first and second portions of the tube, with a first actuator; and,

displacing, using the first actuator, the rigid tube through an opening into the enclosed space such that the first substantially
straight portion, at least a part of the second substantially straight portion, and the curved portion are positioned within
the enclosed space.

US Pat. No. 9,919,333

HIGH PRESSURE WATERBLASTING NOZZLE MANIPULATOR APPARATUS

STONEAGE, INC., Durango,...

1. A high pressure fluid nozzle manipulator apparatus comprising:
a chassis,
one or more manipulator elevator rails supported by an elevator rail rotator fastened to the chassis,
a horizontal extensible arm rail carried by the one or more manipulator elevator rails,
a rotary wrist actuator fastened to a distal end of the horizontal extensible arm rail, and
a linear actuator fastened between the rotary actuator and a hinged nozzle support bracket;
wherein a portion of the bracket is configured to hold a high pressure cleaning nozzle therein, the linear actuator is configured
to rotate the nozzle and the bracket through an arc, the elevator rail rotator is configured to rotate the one or more elevator
rails through an arc of at least about 180 degrees around an elevator rail rotator axis, and the rotary actuator is configured
to rotate the hinged nozzle support bracket in at least about a 270 degree arc in a plane orthogonal to a horizontal axis
through the extensible arm rail.

US Pat. No. 9,400,145

FLEXIBLE MULTI-TUBE CLEANING LANCE POSITIONER GUIDE APPARATUS

STONEAGE, INC., Durango,...

1. A guide tube pitch adjustment apparatus for aligning distal ends of lance guide tubes in registry with tube openings in
a heat exchanger tube sheet, the apparatus comprising:
an elongated housing;
a hose stop bracket fixed within one end of the housing holding each proximal end of a plurality of guide tubes, wherein distal
ends of the guide tubes extend out of an opposite end of the housing; and

a guide tube pitch clamp assembly carried within and supported from the housing and spaced from the stop bracket, wherein
the pitch clamp assembly has at least two V-blocks fastened to a threaded rod, wherein one V-block is fastened to a portion
of the threaded rod having right hand threads, and another V-block is fastened to another portion of the threaded rod having
left hand threads, each of the V-blocks supporting a portion of one of the guide tubes, and a cross bar clamp within the housing
oriented to span across the V-blocks and adjustably hold the portions of the guide tubes in a spaced relationship such that
spacing between the distal ends of adjacent guide tubes may be adjusted by rotation of the threaded rod.

US Pat. No. 9,896,299

ENDLESS BELT FLEXIBLE TUBE CLEANING LANCE DRIVE APPARATUS

STONEAGE, INC., Durango,...

1. A flexible high pressure fluid cleaning lance drive apparatus comprising:
a housing;
at least one drive motor disposed in a first portion of the housing, the drive motor having a drive axle projecting across
a second portion of the housing carrying a cylindrical spline drive roller;

a plurality of cylindrical guide rollers on fixed axles spanning across the second portion of the housing aligned parallel
to the spline drive roller, and wherein a side surface of each guide roller and the at least one spline drive roller is tangent
to a common plane between the rollers;

an endless belt wrapped around the at least one spline drive roller and guide rollers, the belt having a generally flat outer
surface and a transverse splined inner surface having splines shaped complementary to splines on the spline drive roller;
and

a bias member supporting a plurality of follower rollers each aligned vertically above one of the at least one spline drive
roller and guide rollers, wherein the bias member is operable to press each follower roller toward one of the spline drive
rollers and guide rollers to frictionally grip a flexible lance hose when sandwiched between the follower rollers and the
endless belt.

US Pat. No. 9,699,361

CAMERA SKID TRACTOR NOZZLE ASSEMBLY

STONEAGE, INC., Durango,...

1. A camera skid and thrust nozzle assembly comprising:
a tractor nozzle;
a cage rotatably fastened to and ahead of the tractor nozzle, wherein the cage can rotate about an axis through the tractor
nozzle; and

a camera support structure fastened within the cage for rotation of the support structure about the axis independent of cage
rotation, the support structure configured to carry a camera in front of the tractor nozzle oriented to view ahead along the
axis, wherein the support structure includes a weight for urging rotational orientation of the camera support structure about
the axis according to a sensed external gravitational force.

US Pat. No. 9,630,801

FLEXIBLE TUBE CLEANING LANCE DRIVE APPARATUS

STONEAGE, INC., Durango,...

1. A flexible lance drive apparatus comprising:
a generally rectangular housing having a front wall and a rear wall, an outer section, an inner section and a mid section
defined between a pair of spaced parallel outer and inner walls perpendicular to and extending between the front and rear
walls;

an array of upper and lower drive rollers in the outer section each rotatably supported by an axle shaft passing through the
spaced outer and inner walls;

a drive motor within the mid section;
a drive sprocket fastened to each of the shafts in the inner section of the housing;
wherein each lower drive roller shaft is rotatably supported in a fixed position in each of the outer and inner walls and
supported by both the outer and inner walls; and

each of the upper drive roller axle shafts is parallel to the lower drive roller axle shafts and is rotatably supported by
a block carried in the mid section of the housing by parallel pivoting link members each extending from the block parallel
to one of the outer and inner walls and wherein each pivoting link member is fastened to one of the outer and inner walls
adjacent one of the lower drive roller shafts.

US Pat. No. 9,981,822

FLEXIBLE TUBE CLEANING LANCE DRIVE APPARATUS

Stoneage, Inc., Durango,...

1. A quick release drive roller and axle apparatus for use in a flexible high pressure fluid lance drive, the apparatus comprising:a cylindrical drive axle having an axially extending closed slot adjacent a distal end of the axle, wherein the slot has opposing ends and is closed at each end of the slot;
a ball nosed spring plunger disposed in a cross bore spaced from the closed slot through the distal end of the axle;
a spline disposed in the closed slot; and
a drive roller having a central bore and an axial slot along the central bore, wherein when the drive roller is assembled onto the drive axle, the spline engages the axial slot along the central bore and the ball of the ball nosed spring plunger extends outward from the cross bore radially away from the closed slot and engages the drive roller to retain the drive roller on the axle.

US Pat. No. 10,010,894

APPARATUS FOR RETARDING ROTARY NOZZLE SPEED

Stoneage, Inc., Durango,...

1. An apparatus for retarding rotation of a rotary nozzle comprising:a hollow housing;
a rotary shaft within the housing;
a rotatable rotor on the rotary shaft free to move axially along the shaft;
a cam assembly holding the rotor and shaft together such that rotor rotation on the shaft causes the cam assembly to displace the rotor axially on the shaft in a first direction, wherein the cam assembly comprises:
a rotor cam ring disposed about the shaft and fastened to the rotor, the cam ring having a plurality of axially extending projections; and
a shaft cam ring fastened to the shaft having a plurality of ramps each facing one of the axially extending projections;
a set of springs on the shaft biasing the rotor in a second direction opposite the first direction on the shaft; and
a viscous fluid disposed between the rotor and the housing for generating a drag on rotation of the rotor about the shaft.

US Pat. No. 9,950,348

FLEXIBLE CLEANING LANCE POSITIONER GUIDE APPARATUS

STONEAGE, INC., Durango,...

1. A flexible high pressure fluid cleaning lance positioning and drive apparatus comprising:a guide rail having a portion adapted to be inserted into a heat exchanger water box and having a longitudinal axis;
a hose guide conduit mounted parallel to the guide rail via a tractor drive module mounted on the guide rail for movement of the hose guide conduit and tractor drive module along the guide rail into and out of the water box;
a high pressure fluid hose drive module connected via the hose guide conduit to the tractor drive module on the guide rail operable to propel a flexible high pressure fluid lance hose through the hose guide conduit along an axis parallel to the guide rail longitudinal axis; and
an angle guide rotator module mounted on the guide rail receiving one end of the hose guide conduit and connected to the tractor drive module separately from the hose guide conduit operable to guide the flexible high pressure fluid lance hose into and through one end of an arcuate right angle guide tube and adjustably positioning an opposite end of the arcuate right angle guide tube in registry with a tubular object accessible from the water box to be cleaned and guiding the flexible high pressure fluid lance hose through the arcuate right angle guide tube into the tubular object to be cleaned.

US Pat. No. 10,024,613

FLEXIBLE TUBE CLEANING LANCE POSITIONER FRAME APPARATUS

STONEAGE, INC., Durango,...

1. A frame apparatus for holding a flexible lance positioning mechanism adjacent to and spaced from a heat exchanger tube sheet, the apparatus comprising:an upper guide rail;
a lower guide rail;
a positioner rail supported from one of the upper and lower guide rails and guided by the other of the upper and lower guide rails; and
a rail clamp assembly fastened to a portion of the tube sheet, the rail clamp assembly operably holding one of the upper and lower guide rails in a fixed position with respect to the tube sheet, the rail clamp assembly comprising:
one of a flat plate or beam member adapted to be fastened to the tube sheet;
a base plate spaced from the one of the flat plate or beam member by one or more threaded shafts;
one or more clamp fingers rotatably fastened to the base plate, wherein the one or more clamp fingers is operable to rotate toward the base plate when the base plate is drawn against the flat plate or beam member.

US Pat. No. 10,118,185

ISOLATED BEARING VISCOUS SPEED RETARDING DEVICE FOR ROTARY NOZZLES

STONEAGE, INC., Durango,...

1. A speed retarding device for a rotary nozzle comprising:a hollow cylindrical housing;
a rotatable tubular shaft rotatably carried by the housing, the shaft having a drag sleeve portion in the housing and having a shaft end extending through at least one end of the housing, wherein the shaft end is adapted to receive a rotary nozzle thereon;
a pair of lubricated support bearings sandwiching the drag sleeve portion of the shaft in the housing;
an annular axial inner seal between each of the support bearings and the drag sleeve portion, wherein the inner seals sandwich the drag sleeve portion therebetween and isolate the drag sleeve portion from the support bearings, and wherein the inner seals, the housing and the drag sleeve portion define a cavity within the housing; and
a viscous fluid confined within the cavity.

US Pat. No. 10,265,736

CLEANING LANCE ROTATOR DRIVE APPARATUS

STONEAGE, INC., Durango,...

1. An apparatus comprising:a rotatable high pressure hose storage drum rotatably mounted in a vertical plane on a stationary frame for rotation of the drum about a horizontal axis through a central hub of the drum;
a high pressure hose coiled within the storage drum about the axis, the hose having one end fastened through the hub to a high pressure fluid source and an opposite end of the hose extending out of the drum;
a split box housing hose drive including a split box housing mounted on the stationary frame and spaced from the rotatable drum, the split box housing enclosing a driven wheel and a follower wheel mounted opposite the driven wheel, wherein the driven wheel is fastened to one side of the split box housing and the follower wheel has an axle adjustably rigidly fastened to the one side of the split box housing via an elongated slot through the one side of the split box housing, wherein the rigidly fastened axle of the follower wheel fastened to the one side may be loosened permitting the axle of the follower wheel to be slid along the elongated slot so as to permit the follower wheel to be slidably separated from the driven wheel to accommodate insertion and removal of the high pressure hose, and the axle then retightened against the one side adjacent the elongated slot of the split box housing the follower wheel axle to again rigidly fasten the follower wheel axle to the one side of the split box housing, wherein each of the wheels includes a gear and sprocket assembly comprising a grooved roller and one or more spur bull gears mounted in the split box housing such that the one or more spur bull gears of the driven wheel mesh with the one or more spur bull gears of the follower wheel and capture and confine a portion of the high pressure hose therebetween;
a motor connected to the driven wheel in the hose drive; and
a curved guide tube receiving the opposite end of the hose therethrough, the guide tube being connected to one of the hose drive and the central hub of the storage drum, wherein rotation of the storage drum causes the high pressure fluid hose to rotate within the guide tube while the hose drive moves the hose between the driven and follower wheels and into a portion of a piping system to be cleaned.

US Pat. No. 10,272,480

APPARATUS FOR REMOTELY PROPELLING A FLEXIBLE LANCE INTO AND OUT OF A PIPING SYSTEM

STONEAGE, INC., Durango,...

1. An apparatus for reversibly driving a flexible lance into a piping system to be cleaned, the apparatus comprising:a winch pipe clamp assembly for fastening a positioner arm adjacent to an open # end of a pipe to be cleaned;
a T or L shaped support member having one end selectively attachable to the positioner arm;
a back-out preventer collet block adjustably fastenable to a stem of the T or L shaped support member, the collet block having a tractor side portion and a pipe side portion;
a tractor drive fastened to and supported by the tractor side portion of the collet block, the tractor drive supporting a pneumatic drive motor and a drive gearbox adjacent a tractor drive housing; and
a tractor drive roller assembly and an idler roller assembly carried within the tractor drive housing, wherein the drive roller assembly is fastened to a drive axle extending into the tractor drive housing from the drive gearbox and the idler roller assembly is adjustably supported parallel to the drive axle supporting the drive roller assembly by an idler shaft within the tractor drive housing mounted on a slidable idler shaft slide plate, wherein the idler shaft extends parallel to the drive axle out of the tractor drive housing through a vertical slot in the tractor drive housing and through a horizontally slidable eccentric plate, and an eccentric bushing rotatably carried in the eccentric plate fastened to the idler shaft, wherein rotation of the eccentric bushing in a first direction causes the idler shaft to vertically raise the idler roller assembly above the drive roller assembly and rotation of the eccentric bushing in an opposite direction causes the idler shaft to vertically lower the idler roller assembly into contact with the drive roller assembly.

US Pat. No. 10,392,218

ENDLESS BELT FLEXIBLE TUBE CLEANING LANCE DRIVE APPARATUS

STONEAGE, INC., Durango,...

1. A flexible high pressure fluid cleaning lance drive apparatus comprising:a first drive motor having a first drive shaft
a second drive motor spaced from the first drive motor having a second drive shaft extending parallel to the first drive shaft;
an elongated cylindrical spline drive roller mounted on each of the first and second drive shafts;
a plurality of cylindrical guide rollers extending parallel to the spline drive rollers and spaced between the spline drive rollers;
an endless belt wrapped around the spline drive rollers and guide rollers, the belt having a transverse splined inner surface having splines shaped complementary to splines on the spline drive rollers; and
a bias member supporting a plurality of follower rollers each aligned above one of the spline drive rollers and guide rollers, wherein the bias member is operable to press each follower roller toward one of the spline drive rollers and guide rollers to frictionally grip a flexible lance hose sandwiched between the follower rollers and the endless belt.

US Pat. No. 10,336,571

MULTIPLE HIGH PRESSURE FLEXIBLE LANCE HOSE TAKE UP DRUM

STONEAGE, INC., Durango,...

1. A take-up drum apparatus for a plurality of flexible high pressure fluid cleaning lance hoses comprising:a base;
a hollow take-up drum assembly rotatably supported from the base via a rotary swivel, wherein the drum assembly includes a hollow cylindrical shell having a bottom plate, a cylindrical side wall, a high pressure fluid supply connection and a manifold positioned on the bottom plate of the shell for connection of one end of each of a plurality of flexible lance hoses to the high pressure fluid supply connection;
a support arm extending from the base outside of and across the side wall of the shell; and
one or more guide tubes supported by the support arm for guiding flexible lance hoses into and out of the take-up drum assembly.

US Pat. No. 10,427,907

MULTIPLE HIGH PRESSURE FLEXIBLE LANCE HOSE TAKE UP DRUM

STONEAGE, INC., Durango,...

1. A take-up drum apparatus for one or more flexible high pressure fluid cleaning lance hoses comprising:a base;
a hollow take-up drum assembly rotatably supported from the base via a rotary swivel, wherein the drum assembly includes a hollow cylindrical shell having a bottom plate, a cylindrical side wall, a high pressure fluid supply connection and a manifold positioned on the bottom plate of the shell for connection of one end of each of one or more flexible lance hoses to the high pressure fluid supply connection;
a support arm extending from the base outside of and across the side wall of the shell; and
one or more guide tubes supported by the support arm for guiding flexible lance hoses into and out of the take-up drum assembly.