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7614115 |
Wheel structure with a central control
A wheel structure includes a central sleeve, a central controlling shaft joined to the central shaft, a wheel pivoting on an extension portion of the central shaft, and a braking unit; the central...
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7520021 |
Wheel assembly
A wheel assembly has a support unit, a rotating unit and an arresting unit. The support unit includes a sleeve, a stop hole and a recess. Brackets respectively extend from opposing sides of the...
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7516512 |
Castor having efficiently locking function
A castor includes a main body, two rollers each rotatably mounted on the main body, a stop member movable in the main body between a first position where the stop member is located at a height...
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7506404 |
Caster having a running wheel
The invention relates to a caster comprising a trailing wheel, a fork and an assembly journal. The fork can be swiveled in relation to the assembly journal and inside the fork a braking device is...
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7500285 |
Articulated caster
An apparatus for supporting an object includes a base assembly and at least three wheels pivotally attached to the base assembly. A pivot arm includes a flange plate at an upper end for attachment...
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7490848 |
Fixed-direction wheel control mechanism for baby stroller
A mechanism for switching the wheels of baby stroller between a fixed-direction mode and a free steering mode by a far-end controller drives a positioning member through a connecting member. The...
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7437801 |
Caster assembly and shelf system for use on a collapsible cart
Disclosed is a lightweight caster assembly and modular shelf system for use on an existing collapsible foldable cart with four wheels.
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7404566 |
Floor suspension system
A caster suspension system that employs a linkage between the two casters constraining one to rise when the other falls while keeping moment internal to the system such that there is no tipping of...
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7383612 |
Caster with low mounting capability
A caster assembly is provided for supporting an object. The caster assembly includes a generally triangular landing for receiving the object thereon. The landing lies in a first plane. The caster...
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7377526 |
Wheel-mounting assembly for a stroller
A wheel-mounting assembly includes: a pivot shaft; a frame-connecting part; a wheel-mounting part pivoted to the frame-connecting part through the pivot shaft and formed with a retaining hole; a...
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7353566 |
Adjustable wheel assembly
An improved wheel assembly comprises a caster fork, a caster wheel rotatably supported by the caster fork, and a caster swivel post defining an axis about which the caster fork rotates. The caster...
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7311329 |
Anti-tip wheel for a wheelchair
A wheelchair is provided with front anti-tip wheels adapted to assist the wheelchair in mounting an obstacle that the wheelchair approaches obliquely. The anti-tip wheels may function as casters,...
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7284299 |
Caster
A moveable body includes at least one caster. The caster has a yoke, a wheel supported on the yoke, and an interface member for attaching the caster to the moveable body. Additionally, the caster...
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7150070 |
Hubless caster
A hubless caster assembly includes a caster body and at least one wheel, the wheel comprising a toroidal member having a bearing race, and a complementary bearing race supported by the caster body....
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7040309 |
Axle housing for a support stand for an automatic ball throwing device
The present inventions provides a directing device for controlling the orientation of a ball launching device, comprising a first member, a second member pivotally attached to the first member, and...
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7017228 |
Pneumatic locking swivel caster
A pneumatic locking swivel caster comprises a swivel caster and a locking device which may be activated by fluid pressure. The swivel caster may be a dual wheel swivel caster. An improved...
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6961976 |
Mechanism for limiting casters to move forwardly while towing luggage obliquely
A caster assembly mounted at either bottom corner of luggage comprises a cavity disposed in an underside of the bottom corner, the cavity including an upright front wall and a slanted rear wall, a...
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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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6865774 |
Caster device
A caster device for attachment to a first and a second member of a frame is disclosed, the members being disposed angularly relative to each other to define a corner of the frame. The members...
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6854159 |
Swivel caster
A swivel caster suitable to be mounted in a transportation system wherein the caster includes a wheel secured on a shaft by means of a first roller bearing, the shaft being attached near its ends...
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6839939 |
Hubless caster
A hubless caster assembly includes a caster body and at least one wheel, the wheel comprising a toroidal member having a bearing race, and a complementary bearing race supported by the caster body....
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6839938 |
Caster
The invention relates to a caster, for example, a bed caster, appliance caster, heavy-load caster or the like, which have versatile uses in the private and commercial sectors. The inventive caster...
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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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6786559 |
Conductive wheel
A wheel assembly which includes a bearing assembly housed in an electrically conductive outer shell. A hollow sleeve of synthetic resin material impregnated with electrically conductive material is...
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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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6772478 |
Mini-ball bearing caster
A caster assembly for supporting an article comprising a housing, a ball bearing, and a bearing retaining member, wherein the housing has a bore extending completely through a central region...
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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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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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6671926 |
Wheel mechanism for stroller
A wheel mechanism for controlling turning of the front wheel of a stroller includes a vertical axle and a latch mechanism. The upper end of the vertical axle is pivotally connected to the frame of...
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6588059 |
Snap-fit plastic caster
A plastic caster has two legs for mounting a wheel(s) and a fork assembly with a bearing housing portion formed around a bearing assembly with inner and outer ring-shaped raceways and bearings...
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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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6327742 |
Free floating castor
A free floating castor includes a wheel assembly mounted to move relative to a vertical axis of rotation at which it is attached to a trolley to provide space for the wheel to move freely within a...
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6286184 |
Castor with brake and locking mechanism
A caster is provided with two braking mechanisms and/or a locking mechanism. One embodiment of the present invention provides a castor including a wheel having an axis of rotation and a mounting...
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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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6161849 |
Turn wheel locking device
A turn wheel locking device for use with shopping carts having at least one turn wheel. The locking device functions to automatically disable the cart when it is removed from a prescribed area by...
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5996176 |
Free floating castor
A free floating castor includes a wheel assembly mounted to move relative to a vertical axis of rotation at which it is attached to a trolley to provide space for the wheel to move freely within a...
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5943734 |
Mount for mounting a caster wheel to a wheelchair
Multi-adjustable wheelchair with adjustability features which accommodate the physical size and comfort of the wheelchair user is disclosed and claimed. The wheelchair includes (1) wheelchair frame...
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5815885 |
Caster structure for cases
A caster structure for cases including a coupling frame and a plurality of rollers. The coupling frame is comprised of a curved plate and two protective covers extending from the lateral edges of...
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5797611 |
Cart including a frame mounted on castors and a castor in particular for a cart of this kind
A cart includes a frame mounted on castors, at least two castors being provided at a first end of the cart on respective opposite sides of a mean longitudinal axis of the cart. Each castor at this...
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5727284 |
Apparatus for making an object movable
An adapter is removably attached with engagement means, such as screws, to an object such as the leg of a piece of furniture, such as a table or chair. The adapter attaches to the furniture leg in...
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5662344 |
Circular walker with improved seat and wheel assemblies
A circular walker having an improved seat assembly and wheel structure. The seat structure includes a lace sewn between the seat and a backrest cover, buckles extending with a cloth strip on the...
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5575361 |
Wheeled suitcase
A suitcase includes a rectangular suitcase body with a vertical side wall and a horizontal bottom wall, two roller assemblies disposed on the suitcase body and located at a corner between the side...
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5570764 |
Roller wheel assembly
A roller wheel assembly for use with golf bag covers or other types of luggage is disclosed. The roller wheel assembly (10) includes a housing (12) and a wheel (14). The housing (10) has an...
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5568671 |
Caster assembly with integral plastic stem and horn and with removable axle lock cap
An all-plastic, swivel caster assembly has horn and stem molded as a homogeneous unit of plastic. A wheel of molded plastic or plastic-rubber combination, supports the assembly. In one version, the...
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5562167 |
Implement caster wheel
A mounting assembly of a gauge wheel for an implement, such as an agricultural crop harvesting header, the mounting assembly including a king pin member rotatably mounted in a king pin bushing...
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5517718 |
Caster assembly with automatic swivel lock/unlock
A caster assembly for a traveling body has an automatic swivel lock that prevents the caster from swiveling when the caster is a trailing caster on the traveling body and allows the caster to...
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5373606 |
Accessory storage for a vacuum cleaner
The present invention relates to the storage of vacuuming accessories upon a vacuum cleaner particularly a utility type cleaner. A unique structure is taught whereby the tubular portion of the...
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5351927 |
Book holder for use with stand assemblies
A book holder with a back plate, a transparent cover plate movable relative to the back plate, and a connection between the back plate and the cover plate which permits the cover plate to move...
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5347680 |
Spring retracting caster
A retracting caster assembly is provided with a frame, a lever, a spring, a roller, and a manual retracting bolt. The lever is pivotally connected to the frame. The roller is connected to a first...
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