Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8181310 | Caster brake assembly A caster brake assembly is disclosed which comprises a yoke having a stem, a wheel rotatably supported by the yoke the wheel having a pair of interior rims with the rims having teeth, and a lock lever installed on the yoke having gears that are adapted to engage the... | 05/22/2012 |
| 8117715 | Structure of caster A caster includes a base carrying a rotation shaft and forming a pivotal joint seat. Wheels are rotatably mounted to the rotation shaft. Each wheel has an inside surface that is recessed to form an inner rim. A brake arm has a first end rotatably coupled to the pivo... | 02/21/2012 |
| 8051533 | Double roller with two running wheels and roller with one running wheel The invention relates to a double roller (1) with two running wheels (2) and one carrier housing (3), wherein an assembly journal (6) is arranged on the carrier housing (3). An actuating tappet (15) can be displaced in the a... | 11/08/2011 |
| 7992254 | Caster device There is provided a caster device including a caster, a crank shaft, a rotating member, a pushing member and a connecting rod. The crank shaft is coaxially coupled to a reciprocatingly rotatable cam element of the caster. The rotating member is rotatably coupled to ... | 08/09/2011 |
| 7987553 | Caster with a brake structure A caster with a brake structure comprises a pivot plate. The pivot plate is allowed to pivot so as to be inserted into a corresponding positioning recess in an inner side of a wheel to stop the rotation of the wheel. Furthermore, while pivoting, the pivot plate will... | 08/02/2011 |
| 7930802 | Castor that is braked solidly and stably without producing vibration A castor includes an upright support post, a brake ring secured on the support post, a castor body rotatably mounted on the support post, two rollers rotatably mounted on the castor body, a first locking member movably mounted on the castor body, a second locking me... | 04/26/2011 |
| 7926145 | Selectively lockable caster A selectively lockable caster with total locking (wheel brake and swivel lock) as well as directional locking (tracking) functions. A separate lock tooth for each locking function is adapted to engage certain differently configured lock recesses. Specifically, a tot... | 04/19/2011 |
| 7891051 | Wheel assembly A wheel assembly has a housing, a wheel, a rotating device and a controlling device. The housing has a sleeve, an extending portion extending laterally from the sleeve, and brackets extending from opposite sides of the housing. The wheel is rotatablely mounted betwe... | 02/22/2011 |
| 7861370 | Caster with brake unit and direction unit A caster includes a casing having a shank and a locking unit is located at a lower end of the shank. Two wheels are connected to two sides of the casing by a shaft and an inner gear is connected to each of the two wheels. A direction unit is located in the casing an... | 01/04/2011 |
| 7784151 | Swivel locking device for stroller wheel A swivel locking device for stroller wheel, comprising: a seat, a wheel bearing assembly, a locking pin, a biasing member, and an operating member. The seat and the wheel bearing assembly are coupled so as to rotate with respect to each other. The locking pin may mo... | 08/31/2010 |
| 7712184 | Caster wheel having integrated braking means The caster wheel having integrated electrical brake involves a standard caster wheel and an electronic braking component that screws into the top surface of the caster wheel mounting bracket. The electrical braking component includes a solenoid that moves a pin up a... | 05/11/2010 |
| 7707686 | Truckle assembly A truckle assembly has a housing, a rotating unit movably mounted on the housing, a limiting unit and a wheel assembly. The housing includes a body and a sleeve. A slope portion is formed inside the body and neighboring the sleeve. The rotating unit includes a centr... | 05/04/2010 |
| 7698780 | Wheel structure A wheel includes a central holding member, a wheel member, a shell secured around the central holding member, a shaft partly received in the central holding member, a bearing around the shaft inside the central holding member, an upper cover tightly pressed against ... | 04/20/2010 |
| 7647673 | Self-orienting caster for pieces of furniture and the like A self-orienting caster for pieces of furniture, comprising a pair of wheels, which are supported so that they can rotate about a horizontal axis by a supporting body, which has a cylindrical recess that has a vertical axis and is open upward and axially offset with... | 01/19/2010 |
| 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 controlling shaft includes a controlling piece, and a connecting part... | 11/10/2009 |
| 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 sleeve. A rotating shaft pivots the wheel between the brackets. The rota... | 04/21/2009 |
| 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 higher than that of each of the two rollers and a second position where t... | 04/14/2009 |
| 7438272 | Device for avoiding inattentive-fall of legged furniture article The invention provides a device for avoiding inattentive-fall of a legged furniture article, comprising a support means having a cavity for passage of a leg member of the furniture article; and at least one roller rotatably attached to the support means, wherein the... | 10/21/2008 |
| 7410211 | Folding chair with wheels A folding chair with wheels includes a backrest, a seat, a front leg frame and a rear leg frame pivotally connected to both sides of the seat, a plurality of wheel assemblies and a plurality of connection blocks. Each of the front leg frame and the rear leg frame co... | 08/12/2008 |
| 7407024 | Motorized traction device for a patient support A patient support including a traction device for powered movement of the patient support. The traction device includes a storage position and a use position. ... | 08/05/2008 |
| 7406745 | Wheel assembly A wheel assembly has a swiveling shaft, a support member movably assembled with the swiveling shaft, an arresting member and wheels. The swiveling shaft includes a swiveling sleeve, a pressing element disposed on the swiveling sleeve, and a first gear bracket and a ... | 08/05/2008 |
| 7393034 | Moveable strip door suspension system The present invention relates to movable barrier systems, such as a strip door suspension systems, that can be repositioned along the length or width of a room, container, or vehicle, for example, that is temperature controlled. The system saves energy, keeps cargo ... | 07/01/2008 |
| 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 limiting member mounted movably on the frame-connecting part and extend... | 05/27/2008 |
| 7364171 | Front wheel assembly for baby strollers A front wheel assembly for baby strollers includes a positioning member connected to a front frame of the stroller and a connection unit is inserted into the positioning member. A connection piece has two ends respectively inserted into the positioning member and a ... | 04/29/2008 |
| 7360785 | Pivotal handle for a food service table A pivotal handle for a food service table is disclosed. The handle includes two elongated, parallel curved bar members. Each member has an outwardly extending arm and an outwardly extending leg. The legs have means for pivotably attaching the handle to the underside... | 04/22/2008 |
| 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 swivel post is being adapted to rotate about a pivot axis within a cy... | 04/08/2008 |
| 7331428 | Wheel assembly of luggage A wheel assembly for a luggage includes switch member provided on a base of the wheel assembly at a fixed location. The switch member is connected to a driven shaft, and the driven shaft is connected to a brake member. The brake member has a stop portion associated ... | 02/19/2008 |
| 7322586 | Non-powered transportable cart A cart for supporting cargo thereon has wheels at one end and a handle at an opposite end to allow the cart to be transported manually on a ground surface. The cart has an upper bracket and a pair of laterally spaced lower brackets on one of its sides for mounting t... | 01/29/2008 |
| 7305737 | Roller/foot device castor A roller/foot device (1) comprising a cylindrical outer sleeve (10), a guide sleeve (20) arranged inside the outer sleeve (10), locking sleeve (30) arranged inside the outer sleeve (10), a spring device where one end abuts a... | 12/11/2007 |
| 7300063 | Vehicle dolly to enable the rolling transportation of a damaged vehicle A vehicle dolly on which the vehicle can rest and which can be attached to either the rocker panel of the vehicle or positioned so that the vehicle can rest on it if there are no rocker panels, so that the vehicle which is non-drivable either because it has no engin... | 11/27/2007 |
| 7287732 | Leveling device An improved leveling device having a unique elongated adjusting leg and locking hub which permits the secure leveling of an appliance without the use of extraneous tools. ... | 10/30/2007 |
| 7281720 | Drum transport cart A drum dolly on which an upright drum may be placed. A C-shaped frame is supported on side members which are each supported on front and rear casters. The frame includes a support ledge to receive the rim of the drum. The underside of the support ledge is positioned... | 10/16/2007 |
| 7281295 | Canister vacuum cleaner with stair hugging swivel wheel assembly A canister vacuum cleaner has a canister assembly and a stair hugging swivel wheel assembly. The stair hugging swivel wheel assembly pivotally connects to the canister assembly and has both a pendulum and a wheel rotatably mounted to a housing thereof. During use, t... | 10/16/2007 |
| 7278647 | Motorcycle dolly A dolly includes a first platform that has a central longitudinal axis and monolithically formed outer and inner side portions extending outwardly and at an oblique angle therefrom. The side portions further extend along a length of the axis for retaining a motorcyc... | 10/09/2007 |
| 7275345 | Pneumatic lifting system and method A lifting device and method therefore utilizing an air bag or the like for lifting an object supported by a wheeled platform or the like, from a stationary, parked configuration wherein the object conceals the wheeled platform and supports the object, to a lifted, c... | 10/02/2007 |
| 7258353 | Stroller having front wheel positioning device A stroller includes a main frame, a pedal, a front wheel frame, and a positioning device. The positioning device includes a lower cover, an upper cover, a rotation knob, and a locking rod. Thus, the front wheel frame is locked to and unlocked from the main frame by ... | 08/21/2007 |
| 7228936 | Mobile scaffolding braking system A mobile scaffold (10) having bi-axially rotatable casters (22–28) and including brake assemblies (30 and 32) associated with the casters (22–28) is disclosed. The inventive brake assemblies (30,32) enable an elevated wo... | 06/12/2007 |
| 7216399 | Caster brake A brake is disclosed for use with a cart. The brake includes a pad that contacts the floor to resist movement of the cart. The height of the pad is adjustable. ... | 05/15/2007 |
| 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 |
| 7213818 | Stroller having wheel rotation control device A stroller includes a wheel, a rotation control device mounted above the wheel, and a wire control device mounted on a position that facilitates operation of a user and connected to the rotation control device to lock and unlock the rotation control device between. ... | 05/08/2007 |
