Class 474/116 - Pulley is vehicle drive pulley (e.g., bicycle sprocket, etc.)

Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein the pulley* is a part of a
No. of patents: 38
Last issue date: 12/29/2009

Number	Title	Issue Date
7637830	Low profile chain and belt tension adjuster A low profile tension adjuster for use with a chain or belt driven power transmission system which has a slidable bar that sits inside of a yoke and over an axle and a base plate and set screw arrangement that abuts the slidable bar. The set screw and base plate bei...	12/29/2009
7373232	Method for carrying out a multiple gear-shifting in an electronically servo-assisted bicycle gearshift and related gearshift An electronically servo-assisted gearshift actuates a multiple gear-shifting that moves a chain from a current toothed wheel to a target toothed wheel not immediately adjacent to the current toothed wheel in a gearshift group having at least three toothed wheels. Ac...	05/13/2008
7369929	Electronically servo-assisted bicycle gearshift and related method An electronically servo-assisted bicycle gearshift and method for electronically shifting the gears of a bicycle involves the steps of: receiving a signal requesting a displacement of a chain of a bicycle gearshift from a first sprocket to a second adjacent sprocket...	05/06/2008
7292923	Electronically servo-assisted bicycle gearshift and related method An electronically servo-assisted bicycle gearshift and method for electronically shifting the gears of a bicycle involves the steps of: receiving a signal requesting a displacement of a chain of a bicycle gearshift from a first sprocket to a second adjacent sprocket...	11/06/2007
7287772	Apparatus and method for securing an axle to a frame Apparatuses and methods for securing and positioning an axle relative to a cycle frame are provided. An adjustor block is placed in a cavity of the cycle frame. The block can slide longitudinally within the frame cavity. An axle bolt is inserted into the cavity and ...	10/30/2007
7201243	Storage carts Storage carts for the storage of pallets and other loads that may be moved between an open position into an aisle for access to the load and a closed position out of the aisle when desired. ...	04/10/2007
7184872	Electronically servo-assisted bicycle gearshift and related method An electronically servo-assisted bicycle gearshift and method for electronically shifting the gears of a bicycle involves the steps of: receiving a signal requesting a displacement of a chain of a bicycle gearshift from a first sprocket to a second adjacent sprocket...	02/27/2007
7090231	Adjustable front fork blade for stroller An adjustable front fork blade for a stroller includes a sleeve, a base movably mounted in the sleeve, and a connecting tube mounted between the sleeve and the base. Thus, the front fork blade has an adjustable length so that when two front fork blades are mounted o...	08/15/2006
7059983	Multiple sprocket, multiple function chain guide Chain guides for the front sprockets of bicycles are disclosed. More particularly, the chain guides are adapted or configured for bicycles that have multiple (usually 2 or 3) sprockets/chain rings mounted to the crank assembly. The setup is provided to freely allow ...	06/13/2006
7052422	Motorcycle chain tension adjuster A tension adjusting device is attached to an axle member of a driven wheel of a vehicle and is coupled to a forked frame member to adjust tension of a chain. The tension adjusting device has two tension adjusters joined to each side of the axle member that engages a...	05/30/2006
7044874	Bicycle rear derailleur A derailleur includes a base member for attachment to a bicycle frame and a movable member supporting a chain guide such that the chain guide moves laterally to shift a chain among a plurality of gears. The base member has a laterally inner surface and a laterally o...	05/16/2006
6533690	Chain guide apparatus for bicycle A bicycle includes a conventional pedal crank and chain drive together with a conventional derailleur shifting mechanism operative to selectively transfer the drive chain between alternative rear sprockets of the bicycle drive system. A chain ring is rota...	03/18/2003
6409619	Arrangement in connection with belt drive device An arrangement in connection with a belt drive device having two counter-rotating continuous belts operated by drive rollers traveling around stretching rollers, whereby the belts are urged towards one another by press rolls to draw a cable between the be...	06/25/2002
6267699	Variable ratio magnetic drive mechanism A drive mechanism of the type having a first pulley, a second pulley, and an endless flexible drive member extending therebetween for transmitting motion from the first pulley to the second pulley wherein at least one of the pulleys is a variable ratio pu...	07/31/2001
6129645	Chain tension adjustment assembly for a bicycle A bicycle chain tension adjustment assembly includes a clamping member and a clamped member. The clamping member is attached to a rear bracket in which a rear shaft of a rear wheel hub of a bicycle is mounted, and has left and right ends and an inner annu...	10/10/2000
5992587	Motorcycle combination brake rotor and belt pulley assembly A motorcycle disk brake rotor in the shape of an annular ring is (i) mounted to the motorcycles rear wheel at the outside of its annulus and (ii) swept by the yoke of a disk brake caliper that is mounted to the inside of the annulus. A belt pulley affixes...	11/30/1999
5935033	Multi-stage sprocket assembly for bicycle An improvement of multi-stage sprocket assembly for bicycle includes at least a small sprocket and a large sprocket. The large sprocket includes at least two different sets of teeth. The large sprocket defines a radial second center line across the thickn...	08/10/1999
5888159	Chain adjuster for bicycles A chain adjuster for bicycles includes a body having one of two sides thereof a dovetail groove and a hole defined laterally therethrough for an axle of rear hub extending therethrough, a tubular member extending laterally therefrom, a first block slidabl...	03/30/1999
5725450	Device for preventing derailment of a bicycle chain A device for preventing derailment of a bicycle chain of a bicycle. Upper and lower guide members are positioned strategic to a drive sprocket of the bicycle to guide and maintain the chain in engagement with the drive sprocket regardless of the tension o...	03/10/1998
5675202	Generator having pulley with one-way clutch Irregularities on the face of the pulley groove of the pulley for driving the rotor shaft of the generator through the one-way clutch are positively extended and a frictional force between the face and the belt is increased, so that a higher torque than t...	10/07/1997
5480356	Speed change device for bicycles A powered control device for speed change in a bicycle comprises an electric motor directly mounted onto the rear derailleur and is provided with an encoder for detecting the position of the rear derailleur....	01/02/1996
5356348	Electronic transmission control system for a bicycle or the like An electro-mechanical system for shifting gears on a multi-gear bicycle or other human-powered vehicle includes a closed loop derailleur position control system using circuitry for measuring derailleur position. Shifting gears is accomplished automaticall...	10/18/1994
5292286	Bicycle power train assembly A bicycle power train assembly includes a crank axle, a primary driving sprocket cluster mounted on one end of the crank axle, a rear wheel axle, a primary driven sprocket cluster mounted on one end of the rear wheel axle, a primary drive chain trained be...	03/08/1994
5058913	Self-locking bicycle wheel safety retainer mount A self-locking safety retaining mount for use with bicycles utilizing quick-release hubs for front wheel mounting. The mount comprises a left and right configured pair of devices, each of which provides positive closure of the open-ended axle receiving sl...	10/22/1991
5059158	Electronic transmission control system for a bicycle An electro-mechanical system for shifting gears on a multi-gear bicycle or other human-powered vehicle includes a closed loop derailleur position control system using a circuitry for measuring derailleur position. Shifting gears is accomplished automatica...	10/22/1991
5007497	Arm support device for a rotating element The rotary axle of the support arm device is adapted to be maintained in position rigidly and in adjustable manner at the free end of the arm and the free end of the arm comprise plane and generally axial bearing surfaces adapted to contact corresponding ...	04/16/1991
4976658	Variable speed transmissions A transmission wheel (12) is shiftable in position radially relative to a driven member such as a bicycle wheel. A driving force is imposed to the transmission wheel (12). This driving force rotates the transmission wheel (12) and the rotational force is ...	12/11/1990
4915203	Transmission control for self-propelled implement A drive wheel control for a walk-behind self-propelled implement, such as a lawn mower. The control activates sequentially a transmission ball clutch and then a V-belt drive to provide positive and gradual drive wheel start up. Disengagement of the ball c...	04/10/1990
4856802	Dropout assembly A dropout member for bicycle frames is designed to cause an easily replaceble part to separate under stresses which would normally be sufficient to cause bending or other damage to the bicycle frame itself. A relatively lightweight piece of material is bo...	08/15/1989
4789042	Constant tension device The application discloses a compensating mechanism for vehicles having two or more wheels with one of those driven wheels being pivotally mounted at the rear end of a swingarm. The compensating mechanism is comprised of a eccentric cam arrangement for the...	12/06/1988
4667761	Caliper body supporting structure for disk brakes in vehicles having two rear wheels The invention provides a caliper body supporting structure for disk brakes in vehicles having two rear wheels, which is characterized by including a pipe member fixed to the rear end of a swing arm supported on a body frame for vertically pivotal movement...	05/26/1987
4559027	Chain tightener for drive chain In manually operated mobile storage apparatus which moves back and forth in guided movement by floor mounted tracks and which includes a manually operable drive wheel accessible by the user and connected to a storage unit drive shaft by a chain there is p...	12/17/1985
4548421	Recumbent vehicle A recumbent vehicle comprising a single, bowed tubular member forming a main frame having a front end and a rear end. A rear wheel fork assembly is mounted toward the rear end of the main frame with a rear wheel rotatably mounted in the rear wheel fork as...	10/22/1985
4541502	Rear axle supporting structure in three-wheeled motor vehicle A rear axle supporting structure in a three-wheeled motor vehicle equipped with a chain drive mechanism. A holder member having an eccentric bore is fitted in a pipe member which is fixed to the rear end of a swing arm, and a rear axle is inserted in the ...	09/17/1985
4540062	Rear wheel supporting system for motorcycle A rear wheel supporting system for a motorcycle wherein an end portion of a rear axle--which is supported by the rear end portions of a rear fork--on the side opposite to the side where a rear wheel driving means is disposed, is supported so as to be mova...	09/10/1985
4524989	Laminated, reinforced fork end fitment connector for a bicycle and process for manufacturing same A bicycle fork end fitment connector comprising a two- or three-layer lamination press-welded into a unitary part. A base plate is cold-formed from flat, uniform thickness mild steel plate stock and has a slot. One or two face plates are formed from flat,...	06/25/1985
4237744	Chain tensioning system for vehicles A wheeled vehicle is described having a drive sprocket bound onto the axle fixed to the vehicle and a driven wheel with a sprocket on its axle, with the driven chain connecting the sprocket for transmitting power from the drive sprocket to the driven spro...	12/09/1980
4077485	Vehicle battery mounting apparatus Apparatus for mounting a battery on an electrically powered vehicle, as for example a bicycle, including a bracket slidably mounted on the vehicle frame upon which in turn are mounted one of the sprockets of a belt drive system and the battery, the weight...	03/07/1978

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Class 474/116 - Pulley is vehicle drive pulley (e.g., bicycle sprocket, etc.)