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7549614 |
Automatic height adjustment leg of laundry handling apparatus and laundry handling apparatus
An automatic height adjustment leg of a laundry handling apparatus according to the present invention comprises a cylinder mounted to a base of a laundry handling apparatus; a piston movably...
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7356877 |
Caster
A caster includes a fixing portion installed on a bottom surface of an object, a wheel portion which is installed to be elevated into a flange portion and has a moving wheel provided on a bottom...
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7159278 |
Caster
A caster for providing rolling support including a spring-loaded mount. The caster may be substantially concealed in the bottom edge of a hinged, swinging door, and generally located proximate to...
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7096533 |
Locking roller for an article of furniture
A locking roller assembly includes a housing adapted for mounting to an article of furniture. A wheel is rotatably mounted to the housing via a mounting arrangement that accommodates relative...
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7093319 |
Industrial caster wheel with elastomeric spring/damper member and adjustment member
An industrial caster wheel assembly including a base member, a wheel, side plates, a housing, a pivot axle, a suspension assembly and an adjustment assembly. The suspension assembly includes an...
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7065827 |
Shock absorber structure of a castor wheel
A shock absorber structure of a castor wheel is disclosed. The bottom section of a leg is inserted with a mounting tube and the circumferential edge of the leg is mounted with a protective hood. A...
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6944910 |
Caster wheel assembly with anti-flutter control
A caster wheel assembly for a wheeled device, such as a wheelchair, includes a housing suitable for connection to a wheeled device, a caster fork configured to mount a caster wheel for rotation,...
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6938300 |
Wheel assembly for a stroller
A wheel assembly for a stroller includes a wheel with a rim that has two vertical side surfaces and a vertical central plane. A vertical pivot shaft is disposed within a mounting space in the...
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6892421 |
Oblique angled suspension caster fork for wheelchairs
A shock absorption mechanism for a wheelchair includes a caster fork including a first oblique surface and a second horizontally disposed surface, relative to a horizontal plane of travel of the...
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6877185 |
Caster device for movably supporting a load
A caster device is disclosed for movably supporting a load. The caster device includes a wheel for supporting the load and a wheel support having a first and a second extremity. The first extremity...
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6823560 |
Buffering structure for wheels
A buffering structure for wheels comprises at least a linking plate, a spindle, two concentric rigid hollow ferrules or up, and a kind of firm buffer material. When applying this invention, an...
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6789810 |
Integrated wheel suspension system
A wheel suspension system for a vehicle includes a vehicle wheel having a wheel rim and a tire secured to the wheel rim. The wheel is secured to a frame portion of the vehicle by a spindle...
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6776428 |
Forward extending wheel suspension system
A suspension system for a vehicle includes a support structure of a wheel having a forward rolling axis. The suspension system includes a first link rotatably secured at an inner end to the vehicle...
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6769701 |
Shock-absorbing wheel assemblies for luggage bag
Methods and wheel assemblies for supporting a bag that is tilted and pulled along a surface. A wheel housing, a strut member, a spring member, and a wheel member are provided. The wheel housing is...
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6760953 |
Caster assembly
A castor assembly for supporting a load such as an article of furniture so that it can easily be moved in any desired direction. The assembly includes a load-bearing base member from which a...
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6758534 |
Mounting element for the wheels of rolling containers
A mounting element for the wheels of rolling containers comprises: a load-bearing member rigidly attachable to a bottom edge of a container designed to be rolled along a surface; an arm supporting...
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6701570 |
Standardized furniture unit and bracket therefor
A standardized furniture unit including at least two substantially vertical side panels, bracing extending between the side panels, the intersection of the bracing and the side panels defining...
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6675820 |
Safety support device with adjustable arm support members & method
The safety support device of this invention includes a frame having a mounting section. A pair of forward legs are attached to a forward end of the mounting section and a pair of rear legs are...
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6607201 |
Swivel wheel assembly with adjustable shock absorption
A swivel wheel assembly includes a wheel axle, and a vehicle wheel rotatably mounted on the wheel axle. A shock-absorbing wheel fork is secured to opposite ends of the wheel axle and includes first...
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6594856 |
Pivotal roller mechanism
A fixed pivotal retractable roller mechanism 20 and method for statically supporting an item 46 upon a support surface 44 in an inoperative state and supporting the item 46 to roll along...
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6591449 |
Caster assemblies
A castor assembly comprises stem ( 2 ) which is adapted at the upper end ( 4 ) thereof to be connected to the base of a structure to be supported, a foot ( 5 ), a castor body ( 3 ) swivellably...
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6568030 |
Caster
In a caster which supports a wheel by using via a link 3 a bracket 2 to be fitted to a wheelchair or the like, an end of the link 3 is connected with a rotation axis of the bracket 2 via a...
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6550101 |
Hydraulic constant force caster
A caster system wherein a constant force is applied to the caster for load support purposes. A plurality of casters are interconnected by a fluid conduit system and each caster includes an...
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6543798 |
Anti-tip caster suspension for a wheelchair
An anti-tip suspension for a wheelchair having rear casters is defined. The suspension includes a rocker arm support, a rocker arm and a spring. The rocker arm is pivotally attached to the rocker...
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6539578 |
Deflecting spring caster
A wheel mount assembly for a spring-loaded caster in which a resilient deflecting member serves to mount a wheel supporting lever to a support for deflection to provide relative movement of the...
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6499184 |
Elastomeric biased caster
A caster supporting weight through a biasing device an elastomeric material, such as polyurethane, to elastomerically support the weight transmitted through the caster. The components are concisely...
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6484359 |
Load indicating spring caster
A spring-loaded caster with an indicator to indicate the load applied to the caster.
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6473935 |
Retractable roller mechanism
An improved retractable roller mechanism 20 and method for statically supporting an item 42 upon a support surface 40 in an inoperative state and supporting the item 42 to roll along the...
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6425161 |
Industrial caster wheel with elastomeric spring/damper member
An industrial caster wheel assembly comprises a base member, a wheel, side plates, a housing, a pivot axle, and a suspension assembly. The suspension assembly includes an adjustable axle, a support...
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6412839 |
Tennis ball retriever and storage unit
A tennis ball retriever and storage unit includes a ball retrieving receptacle supported by spring biased pivoting wheel assemblies for rolling movement between locations for retrieving used tennis...
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6409196 |
Wheelchair front fork
This invention provides a wheelchair small wheel suspension system which optimizes parameters of height, trail, and forward extension of the small wheels to provide a wheelchair with maximum...
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6382736 |
Wheel device
A wheel device has a fixed seat, a wheel support seat disposed in the fixed seat, and a wheel inserted in the wheel support seat. The wheel has a center hole. The fixed seat has a convex housing....
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6371498 |
Wheel suspension
The present invention is for a device for mounting of wheels so that they may move in a preferably vertical direction at right angle to the wheel shaft. The invention is also standing board for...
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6357077 |
Spring loaded caster
A spring loaded caster includes a support plate adapted to be affixed to the underside of an article to be transported. Two caster legs depend downwardly from the support plate. The caster legs are...
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6324724 |
Caster wheel assembly with flexing plate
The caster wheel assembly includes a top plate with downwardly extending walls which terminate in bottom flanges to support the frame of a heavy cabinet. The caster wheel assembly further includes...
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6302795 |
Data processing system, apparatus and method
A portable terminal machine which controls the execution of a downloaded program depending on a usage time limit when a sub program downloaded from a video game machine is stored in the storage...
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6279199 |
Vertically adjustable caster
A heavy duty vertically adjustable spring biased caster comprising a caster wheel mounted upon a pivot shaft within a frame. The pivot shaft is vertically adjustable upon the frame and a spring...
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6195838 |
Roller assembly with spring biased axial caster member
A dual roller assembly adapted to simultaneously rotate along perpendicular surfaces. The roller assembly comprises a pair of telescopically engaging shaft members sized to rotate and move axially...
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6134748 |
Pullman case steering wheel device
An automatically retractable swivelling wheels device of a pullman case is disclosed. The swivelling wheels device comprises a bushing, in which a spring retainer is formed on a bottom of a...
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6092262 |
Non-skid wheel brake mechanism
A non-skid wheel brake mechanism includes a wheel body, a shaft part, left and right wheels each with a ring rim. The device includes an outer rim having an oval ring groove having upper and lower...
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6089666 |
High chair having retractable rollers
A juvenile high chair includes at least one leg. The leg comprises a foot having a bottom edge adapted to engage a surface underlying the foot, a roller, and a bracket having a first end coupled to...
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5875519 |
Universal angle wheel assembly
A universal angle wheel assembly has a wheel holder plate, a main seat disposed on the wheel holder plate, a cover plate disposed on the main seat, a shaft extending from a top portion of the wheel...
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5590735 |
Forklift truck
A forklift truck having a drive wheel and a plurality of support wheels and a mounting arrangement for independently adjusting the vertical position of each support wheel. The mounting arrangement...
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5581843 |
Wheel assembly for baby stroller
A wheel assembly for a baby stroller in which the wheel or wheels are mounted to the trailing portion of a linkage assembly that is pivotally carried at its midportion by a lower support. The...
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5493755 |
Shock and vibration isolating caster suspension
A caster has a stationary hub with a bearing between the hub and a floor engaging wheel ring which allows the wheel ring to rotate relative to the hub. Torsional elastomeric elements mount the hub...
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5448796 |
Sprung castor wheel assembly
A castor wheel assembly comprises a base member for mounting on an object to be supported, a swivel member mounted on the base member for rotation about the vertical axis. A castor wheel is mounted...
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5400469 |
Lever action caster with shock absorbing spring
The legs of a swivel caster assembly horn are mounted to a pair of horizontally-spaced beam plates which are pivoted to the legs ahead of the swivel axis. The caster wheel is mounted on an axle...
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5394589 |
Caster for isolating shock and vibration loads
Three embodiments of a shock-isolating caster. A surface-effect damper engages at least one of a wheel element and an intermediate structural member to dampen vibration and shock loads which would...
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5366231 |
Movable base for a baby walker
A movable base for a baby walker includes a looped base frame, a number of casters, a corresponding number of compression spring members and a plurality of suction cup units. The base frame has a...
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5355550 |
Pivoting castor
A pivoting castor comprises a main body, a cross shaft, two wheeled members, a braking member, an elastic element, and a plug cover. The main body is provided with a receiving space, and a pivoting...
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