"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7571784 | Flexible coupling and in-wheel motor system A flexible coupling 10 is constituted such that a drive-side plate 11 and an intermediate plate 13 are interconnected by first connection members 14A to 14D having a rubber member in such a manner that they can move in a direction ... | 08/11/2009 |
| 7331638 | Spoked wheel for a bicycle A spoked wheel for a bicycle is described herein, comprising a hub, a rim and a plurality of spokes that connect the hub to the rim. The spokes comprise a first set of spokes arranged on one side of the wheel, made up of spokes connected to a first portion of the hu... | 02/19/2008 |
| 7281721 | Suspension system for dump truck/paver truck hitch A suspension system for a dump truck which is to be connected to a paver using a truck hitch. In one example, a system for connecting a dump truck to a paver includes a liftable and steerable suspension of the truck, the suspension having an adapter with a laterally... | 10/16/2007 |
| 7270204 | Electrically motorized wheel with protective cover An electrically motorized wheel assembly is provided which may be used in automotive vehicles. The wheel assembly is equipped with at least one electric motor having an output shaft located eccentrically from an axle of a wheel. The wheel assembly includes a protect... | 09/18/2007 |
| 7243749 | Motor-driven wheel small in size and improved in ride comfort and ease of assembly A motor-driven wheel includes a wheel disc, a wheel hub, a knuckle, a hub bearing, a constant-velocity joint, an in-wheel motor, and a spring. The center of swing of the constant-velocity joint is placed closer to the outside of the vehicle relative to the hub beari... | 07/17/2007 |
| 7140694 | Wheel spoke adjuster guard A Wheel Spoke Adjuster Guard that comprises a visually pleasing outer shape with an internal cavity, where the internal cavity has a lower portion shaped complimentary to the wheel adjuster nuts on the wheel spokes of either motorcycles, bicycles, or other motor con... | 11/28/2006 |
| 7121367 | Installation structure for electric rotating machine in motor vehicle An installation structure for an electric rotating machine such as an electric motor to a wheel of a motor vehicle. The installation structure comprises a wheel hub fixed to and rotatable with the wheel. A bearing through which the wheel hub is rotatably supported i... | 10/17/2006 |
| 7017698 | Motorcycle with dual drive chains A motorcycle having two drive chains. The gearbox output includes a left front sprocket and a right front sprocket. The rear wheel includes a left rear sprocket and a right rear sprocket. Left and right chains connect the respective front and rear sprockets. Power i... | 03/28/2006 |
| 6929410 | Camera shutter Systems and methods are disclosed for providing camera shutter mechanisms. For example, in accordance with an embodiment of the present invention, an improved camera shutter mechanism and techniques for manufacturing the camera shutter mechanism are disclosed. ... | 08/16/2005 |
| 6491127 | Powered caster wheel module for use on omnidirectional drive systems A drive system base or platform, such as for a mobile robot, is disclosed having multiple caster wheels, each wheel having its own first motor for independent driving and its own second motor for independent steering. Each wheel is rotably and pivotably m... | 12/10/2002 |
| 6345868 | Fluid coupling for dual wheels A dual wheel axle assembly for a vehicle is provided for reducing tire wear caused by scrubbing during vehicle turns. The assembly includes an axle housing having an axle shaft arranged within the axle housing. The axle shaft defines a rotational axis. A ... | 02/12/2002 |
| 6148941 | Wheel assembly for a ground-driven work machine and method for assembling the same A wheel assembly for a work machine, such as a mining dump truck, having a rotatable wheel having inboard and outboard rims mounted thereto. The outboard rim is mounted to a segmented rim-mounting flange which is secured to the inboard side of a flange pr... | 11/21/2000 |
| 6022083 | Skid steer wheel mechanism A skid steer wheel mechanism including wheel axles rotatably disposed through axle housings which are securely mounted to the body or frame of the skid steer, and also including hub members which are cylinders with annular flanges centrally-disposed about... | 02/08/2000 |
| 5597056 | Torque controlled infinite ratio friction drive hub Contained within a wheel hub housing is a variable ratio friction drive transmission. A chain drive input sprocket drives direction reversing spools arrayed around a central axis on shafts set at an angle to the central axis. A spool driven element rotate... | 01/28/1997 |
| 5328252 | Quick change wheel and drive assembly for passenger boarding bridges A wheel assembly and power drive train for use with passenger boarding bridges having a ramp drive system. The wheel assembly includes a wheel rim which is releasably attached to a wheel hub to allow removal of the wheel rim and associate tire without dis... | 07/12/1994 |
| 5186269 | Method of and apparatus for motorizing manually powered vehicles Apparatus which enables a foldable wheelchair to be retrofitted with an electrical propulsion system without significantly compromising the ability to fold the chair. The apparatus includes a drive unit for each wheel to be driven. The drive units can be ... | 02/16/1993 |
| 4923252 | Tire assembly An axle driven tire is disclosed having an undersized tire with a series of laterally oriented circumferentially spaced tabs extending radially off of the hub into a circumferentially extending recess in the tire to drivingly tie the tire to the hub.... | 05/08/1990 |
| 4687218 | Wheelchair handrim assembly For a wheelchair, an improved handrim assembly includes a wheelrim with circumferentially spaced-apart slots formed through the wheelrim and anchor tab members loosely mounted through the slots. The anchor tabs have enlarged heads on the outer side of the... | 08/18/1987 |
| 4648487 | Drive wheel equipped with power spring A drive wheel has a power spring within a drum housing formed on one side of the casing. The drive wheel includes a sun gear and a fixed pinion rotatably mounted about a shaft of the sun gear, the power spring being coupled between the sun gear and the fi... | 03/10/1987 |
| 4473129 | Hub assembly for a driving wheel of an automobile vehicle The hub assembly comprises a wheel flange, a transmission joint and a rolling bearing. The confronting radial surfaces of the flange and the inner race of the bearing are separated throughout their height by a gap and consequently do not bear against each... | 09/25/1984 |
| 4405179 | Universal velocipede wheel A wheel capable of being used as the front or rear wheel of a chain-driven velocipede or as the front wheel of a pedal-driven tricycle has a wheel rim whose hub is formed with an axial passage and an array of receptacles extending inward from the opposite... | 09/20/1983 |
| 4278297 | Wheel for an elastic U-shaped tire A wheel for a light-weight vehicle having an integrally assembled structure of a boss, a disc, a rim, and a plurality of ribs, in which the rim having a flat outer surface is integrally formed on the outer peripheral surface of the disc, and a rubber tire... | 07/14/1981 |
| 4252377 | Blowout protector A vehicle tire blowout protector is disclosed which comprises a first sidewall member with a peripheral shoulder having sufficient strength to support the vehicle. The sidewall member is mounted to the vehicle wheel so that it is adjacent to one side of t... | 02/24/1981 |
| 4090751 | Wheel bearing assembly for a wheel hub of a motor vehicle A wheel bearing assembly has an outer bearing ring for mounting on a wheel support and an inner bearing ring having a bore and connected to a wheel hub. A constant velocity torque transmitting joint has an outer joint member disposed within the inner bear... | 05/23/1978 |
| 4047770 | Hub bearing unit assembly A hub bearing unit assembly having an inner and outer race ring, which being unified with a fastening flange, with rows of rolling elements located between the races, said rolling elements being separated from one another by means of a cage, as well as co... | 09/13/1977 |
| 3997018 | Drive wheel assembly with high flotation tire for compaction vehicles A self-propelled vibratory compactor has a one-piece frame supported at one end by a steel roller drum and at the other end by a yoke-mounted, single, high-flotation pneumatic rubber tire. An engine on the frame drives hydraulic pumps which supply fluid t... | 12/14/1976 |