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| Number | Title | Issue Date |
| 7578028 | Device for providing multi-directional movement A device for providing multi-directional movement comprising a housing having at least one roller located at least partially within the housing, at least one bearing means for supporting a load and configured to couple the at least one roller with the housing whereb... | 08/25/2009 |
| 7383611 | Castors A support structure for a castor, a castor provided with such a support-structure, and a castored trolley is described. The support structure comprises a first member 5, a second member 3 that is rotatable with respect to the first member about a pivot... | 06/10/2008 |
| 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 surface of the wheel portion, and an elevating portion to control the w... | 04/15/2008 |
| 7329705 | Salt-sensitive binder compositions with N-alkyl acrylamide and fibrous articles incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units, acrylate monomer units, and N-alkyl acrylamide units. The copolymer is neutralized at least to the point where it is water soluble. The... | 02/12/2008 |
| 7308730 | Base member for swivel caster A base member for swivel caster comprises a fixed base, a rotation base and a hollow staff. The fixed base includes a ring member, and a plurality of first raceways lathed in an inward surface of the ring member. A support cavity is defined through a center of the r... | 12/18/2007 |
| 7213815 | Mechanic's creeper A mechanic's creeper (10) includes a pad (12) supported between a plurality of side rails (14) by a plurality of crossbars (15). The side rails (14) are of tear-shaped cross section such that no sharp edges are provided adjacent to... | 05/08/2007 |
| 7165290 | Caster and dolly wheel attachments for cylindrical tanks Caster wheel assemblies that may be snap-fitted onto a cylindrical tank or drum are shown and described. Also dolly-wheel assemblies that include an axle supported by two wheels are also disclosed which may be snap-fitted onto a cylindrical tank or drum. The caster ... | 01/23/2007 |
| 7128494 | Method and apparatus for securing a caster wheel An integrally formed caster socket is provided in a tubular framing member for a merchandising display or the like. The framing member has aligned stem receiving holes with the upper hole being on an outwardly domed frusto-conical shaped area and the lower hole is o... | 10/31/2006 |
| 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 a third member disposed substantially parallel to the second member,... | 05/09/2006 |
| 6978497 | Motivative exercise and lifting aid dual device A lift device capable of performing an activating motion having a part suspension device for training an upper limb capable of easily and surely performing an upper limb activating motion and easy to handle and use such that it is free to pass over a sill height dif... | 12/27/2005 |
| 6901629 | Heavy duty molded equipment slide A slide formed from an upwardly cupped plate made of an acetal copolymer matrix into which a lubricant is incorporated with slidability and load baring capability making it suitable for use in moving furniture or other heavy objects across a floor. A non-slip pad fo... | 06/07/2005 |
| 6810560 | Castor A castor includes a castor-supporting member, a brake unit, a direction gear, a castor unit, and a threaded rod unit and an orienting system. The brake unit is combined with the castor support member by means of the threaded rod unit, involving an upper brake button... | 11/02/2004 |
| 6705622 | Mechanic's creeper A mechanic's creeper (10) includes a pad (12) supported between a plurality of side rails (14) by a plurality of crossbars (15). The side rails (14) are of tear-shaped cross section such that no sharp edges are provided adjacent to... | 03/16/2004 |
| 6698060 | Caster structure A caster structure comprises a small wheel, a mounting plate, a roller bearing, a wheel frame, and a locating member. The wheel is fastened pivotally with the wheel frame which is fastened with the underside of the mounting plate by the locating member in... | 03/02/2004 |
| 6625846 | Caster for robot When a solid such as a utensil or a structure thing moves, stability is high, it is suitable for the indoor use, furthermore to provide the caster which can use the foot part of robot walking by the two pairs. A caster is comprised of a rocking shaft whic... | 09/30/2003 |
| 6463624 | Joint structure of a wheel bearing A joint structure of a wheel bearing comprises a bearing cover and a pivotal casing. The bearing cover has an outer edge being installed with a plurality of upper sheets which expand outwards; and between two upper sheets are formed with a downward extend... | 10/15/2002 |
| 6357793 | Anti-tip wheel A resilient anti-tip wheel suspension includes a wheel coupled to a first mounting bracket. A second mounting bracket is adapted to be rigidly mounted to a wheelchair. Upper and lower bars each have front and rear ends that are pivotally connected to the ... | 03/19/2002 |
| 6223388 | Castor assembly A castor assembly suitable for use in decks or dollies for moving freight or other heavy items includes a wheel, a carriage on which the wheel bracket is mounted for rotation about a first axis and a bearing enabling the carriage to rotate about a second ... | 05/01/2001 |
| 6047439 | Caster wheel with releasable bearing assembly An inexpensive and easily replaceable caster wheel assembly is provided for use with a cart, dolly or other similar product. The caster wheel assembly includes a mounting flange, a bearing assembly comprising inner and outer bearing races disposed within ... | 04/11/2000 |
| 5813090 | Caster with D-shaped stem A caster with a stem generally cylindrical over most of its external circumference, but provided with at least one flat face cut through the cylinder external circumference so as to provide the cylinder with a slight "D" shaped cross section. The stem is ... | 09/29/1998 |
| 5655259 | Caster assembly An improved caster assembly for moving heavy loads upon a caster platform. This caster assembly is less prone to breakage than conventional caster assemblies, and additionally incorporates a safety lid for reducing the risk if injury to workers. This cast... | 08/12/1997 |
| 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 horn sidewalls have fingers forming keyhole-shaped slots ... | 10/29/1996 |
| 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 behind the swivel axis. A pair of urethane springs is mounted... | 03/28/1995 |
| 5390394 | Detachable front wheel assembly for a stroller A front wheel assembly for a stroller includes a frame attaching member and a wheel attaching member. The frame attaching member includes a sleeve adapted to be securely attached to a front leg of a stroller and defining a through hole with upper and lowe... | 02/21/1995 |
| 5361454 | Snap-on swivel wheel assembly A modular wheel assembly for use with apparatus having a weight-bearing frame, such as a baby stroller, includes a mounting unit consisting of a cylindrical tubular member having an open upper end and a closed lower end wall. The tubular member is dimensi... | 11/08/1994 |
| 5287594 | Shopping cart swivel yoke assembly with plastic bearing races An improved swivel yoke assembly for use on shopping carts. The yoke assembly is of the type having a steel yolk with forks which support a wheel. The yolk is permitted to swivel because it is supported between an upper and a lower set of ball bearings. T... | 02/22/1994 |
| 5263226 | Swiveling wheel assembly for a cart A swivelling wheel assembly containing a wheel whose swivelling action around a vertical axle may be locked or unlocked by rotating the wheel in one direction or the other. A curved double control lever is housed in a space between the thrust bearing and ... | 11/23/1993 |
| 5199131 | Thermoplastic caster assembly A caster assembly has a stem and ball bearing retainer made of a single homogeneous unit of reinforced plastic, a horn made of a single piece of reinforced plastic, a bottom bearing retainer made of a single piece of reinforced plastic, an upper set of ba... | 04/06/1993 |
| 5103530 | Hub and wheel assembly with shock absorber A hub and wheel assembly for light load vehicle including baby carriages, infant strollers, wheelchairs and the like, the assembly having tandem wheels and a shock absorbing member in a trailing link suspension configuration. The assembly includes a wheel... | 04/14/1992 |
| 5097565 | Cargo caster bearing assembly A caster bearing assembly attachable to a surface for facilitating the movement of a body along a roller plane located above the surface. The caster bearing assembly (10) includes a base part (16) mounted to the surface, a top part (18), bearings (20), an... | 03/24/1992 |
| 4897895 | Front caster device for infant stroller A front caster device for facilitating directing an infant stroller which comprises a bracket for mounting an axle along a transverse axis for rotatably mounting a ground supporting wheel thereto having a socket having an inner flange and a bushing adapte... | 02/06/1990 |
| 4765021 | Heavy duty caster A heavy duty caster for use on machines, heavy conveyances and the like has a plate the underside of which has a circular socket for a disc-shaped first thrust bearing element which is rotatably held in the socket against appreciable axial movement by a r... | 08/23/1988 |
| 4653139 | Caster with a plain thrust bearing between the wheel frame and the frame carrier A caster wherein the web of the bifurcated frame for the wheel and the carrier for the frame define a plain thrust bearing which allows the frame to swivel relative to the carrier about an axis extending at right angles to the axis of the wheel. The frame... | 03/31/1987 |
| 4645230 | Collapsible trailer The collapsible trailer described herein has a top adapted to mate with the upper edges of removable end and side wall panels. When the trailer is collapsed, the top mates directly with the bed of the trailer, thus forming a storage container for the wall... | 02/24/1987 |
| 4254532 | Caster apparatus A caster apparatus of the type having a caster bracket mounted on a mounting base for swivel motion about an upright swivel axis and a caster wheel mounted on the caster bracket, in which the mounting base has a downwardly facing annular trackway spaced o... | 03/10/1981 |
| 4107817 | Swivel assembly An improved swivel assembly for a shopping cart, stroller or the like. The swivel assembly comprises a yoke having a vertically extending opening therethrough into which an end of a cart leg or the like is journaled for rotation of the swivel assembly aro... | 08/22/1978 |
| 4085983 | Swivel thrust bearing A "centerless" swivel bearing for chairs and the like in which the two facing, relatively rotatable members are each in sliding contact with an interposed lubricating liner on a ring of substantial diameter defining a central opening in the bearing. One o... | 04/25/1978 |
| 4076346 | Face-to-face plate-type swivel A pair of relatively rotatable face-to-face metal swivel plates centrally secured together adjacent the common center axis and arranged along their respective margins for respective securement to an article and the base. A continuous circular V-shaped bea... | 02/28/1978 |
| 4054964 | Detachable luggage caster roller A detachable luggage caster roller for suitcases, luggage and the like is comprised of a roller support bracket formed of synthetic resin and including a cylindrical male member and a base plate adapted to be secured directly or indirectly through a seat ... | 10/25/1977 |
