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| Number | Title | Issue Date |
| 8024993 | Bicycle component and method for manufacturing such a component A bicycle component is provided comprising an elongated body consisting of structural fibers incorporated in a matrix of polymeric material and having, in an end part thereof, a seat for the mechanical coupling of the component with an element of the bicycle. Also p... | 09/27/2011 |
| 7946194 | Continuously variable compound lever human powered transmission A human powered transmission for self propelled vehicles having oscillating power input levers displacing a pivoted power input member. The power input member pivotally journaled to a power output lever, the power output lever bearing on a fulcrum roller. The fulcru... | 05/24/2011 |
| 7856903 | Bicycle crank axle with a radial projection A bicycle crank axle comprises an axle body having first and second end portions, a plurality of first splines disposed at the first end portion of the axle body, a plurality of second splines disposed at the second end portion of the axle body, and a projection ext... | 12/28/2010 |
| 7784378 | Bicycle crank assembly An improved bicycle crankshaft assembly, including a crank axle with an axial axle axis, a first axle end, and a second axle end axially opposed to the first axle end; a first crank arm connected to the crank axle at a first crank arm interface adjacent the first ax... | 08/31/2010 |
| 7770492 | Bicycle crank assembly A bicycle sprocket crank assembly is comprised of first and second crank arms joined to a spindle. One of the crank arms and the spindle may be fabricated as a unitary structure, or both cranks arms may be formed as separate structures and joined together. In either... | 08/10/2010 |
| 7650817 | Bicycle crank assembly A bicycle crank assembly is configured to simplify the work required to adjust the bearing play by the crank assembly when the crank assembly is mounted. The bicycle crank assembly has a left crank that is mounted on a crank axle of the bicycle, and is provided with... | 01/26/2010 |
| 7650818 | Bicycle shaft component A bicycle shaft component includes an outer tubular member and an inner member non-movably attached to the outer member. The outer tubular member includes a first end portion and a second end portion with an interior longitudinal passageway extending between the fir... | 01/26/2010 |
| 7610832 | Bicycle component and method for making such a component A pedal crank for a bicycle comprising structural fibers incorporated in a matrix of polymeric material which has two seats in which two metal inserts are received. The seats have a mouth which opens onto the outer surface of the pedal crank and have a geometry such... | 11/03/2009 |
| 7607370 | Crank with clutch and coupler A crank including a mechanism capable of connecting the crank arm to a shaft to drive the shaft in rotation in either a unidirectional drive mode or a bidirectionally driving mode, the mechanism being quickly adjustable between modes. A coupler in the mechanism may ... | 10/27/2009 |
| 7562604 | Bicycle chain wheel structure A bicycle chain wheel structure is configured with a right crank arm portion and an axle portion that are integrally formed together as a one-piece, unitary member. The right crank arm portion has an inner end integrally formed with the axle portion. The right crank... | 07/21/2009 |
| 7530291 | Crank device for bicycle A crank device includes a crank arm having an opening formed in one end and defined by an outer peripheral fence for attaching to a crank shaft, and an orifice formed in another end and defined by an outer peripheral wall for coupling to a foot pedal, and the crank ... | 05/12/2009 |
| 7530290 | Crank for cycles A crank for bicycles or other cycling facilities includes an elongate shank having an orifice formed in one end, and a chamber formed by an upper wall and a lower wall, a gasket is engaged into the chamber via the orifice of the shank. The gasket is engaged between ... | 05/12/2009 |
| 7523684 | Bicycle crank assembly A bicycle sprocket crank assembly is comprised of first and second crank arms joined to a spindle. One of the crank arms and the spindle may be fabricated as a unitary structure, or both cranks arms may be formed as separate structures and joined together. In either... | 04/28/2009 |
| 7523685 | Bicycle crank assembly A bicycle sprocket crank assembly is comprised of first and second crank arms joined to a spindle. One of the crank arms and the spindle may be fabricated as a unitary structure, or both cranks arms may be formed as separate structures and joined together. In either... | 04/28/2009 |
| 7520196 | Power cranks A variable length, pedal driven, crank mechanism, suitable for use on human powered vehicles; with gear driven transmission assemblies mounted on each end of an axle which is supported by and rotates on bearings. These arms have an inner and outer housing that bolt ... | 04/21/2009 |
| 7503239 | Bicycle crank arm assembly A bicycle crank arm assembly is provided with a bicycle crank arm with a first end configured to be coupled to an axle of a bottom bracket and a second end with a pedal attachment bore for receiving a bicycle pedal shaft. A tubular member is press fitted into the bo... | 03/17/2009 |
| 7360470 | Bicycle crank and associated methods A bicycle crank comprises a mixture of aluminum and chromoly. The spine comprises chromoly, which serves as a backbone to the crank arm and thereby provides added strength. The body comprises aluminum, which reduces the crank arm weight. The body can therefore be th... | 04/22/2008 |
| 7350796 | Crank apparatus for bicycles and the like A crank apparatus includes a driven member rotatably mounted to a machine, and a crank arm attached at an inner end thereof to the driven member at a rotational axis of the driven member such that the driven member and crank arm rotate together. An axle is slidably ... | 04/01/2008 |
| RE40127 | Human-powered driving mechanism A human powered drive units each including a pair of a rotatable member having a sprocket and a supporting member having a sprocket, which are arranged up and down, and including a chain extended around the rotatable member and the supporting member, are disposed at... | 03/04/2008 |
| 7334500 | Pedal crank having solid coupling A pedal crank includes a crank arm having a hole formed in one end to receive one end of a crank shaft which may be rotatably attached to a bicycle frame. An expanding device may be engaged in the end of the crank shaft for expanding the crank shaft to engage with t... | 02/26/2008 |
| 7284631 | Drive unit able to be applied to a vehicle provided with pedals A drive unit able to be applied to a vehicle with pedals, like a bicycle, a tricycle or other, having at least a flywheel and a pair of pedals connected to a central shaft rotatable around a rotation axis. The drive unit comprises an electric motor, fed by an electr... | 10/23/2007 |
| 7267635 | Stationary bike A stationary exercise bicycle is provided having a frame, a resistance member, a drive assembly, a right pedal, a left pedal, a seat and an adjustable seat mechanism utilizing a rack. Assembly and disassembly of a three piece crank arm assembly is accomplished witho... | 09/11/2007 |
| 7267030 | Bicycle crank assembly A bicycle sprocket crank assembly is comprised of first and second crank arms joined to a spindle. One of the crank arms and the spindle may be fabricated as a unitary structure, or both cranks arms may be formed as separate structures and joined together. In either... | 09/11/2007 |
| 7263914 | High performance bicycle crank A carbon fiber bicycle crank includes an axle lug, having a portion for receiving a crank axle. A foam core is coupled to the axle lug during a first molding process. A pedal engaging lug is coupled to the foam core after the completion of the first molding process,... | 09/04/2007 |
| 7262536 | Gearless wheel motor drive system Methods and apparatus are provided for an electric vehicle embodying an axial flux traction motor directly coupled to a wheel thereof. The fraction motor includes a stator having coils for producing a magnetic field, an annular rotor magnetically coupled to the stat... | 08/28/2007 |
| 7258040 | Hollow crank arm for a bicycle and process for manufacturing the same A hollow crank arm for a bicycle comprising a body of elongated shape, at the ends of which are formed, respectively, an area for connection of the bottom bracket spindle and an area for connection of the pedal. The body includes a cavity of elongated shape and two ... | 08/21/2007 |
| 7242122 | Low speed discoidal electric motor An electric motor has a dimensional arrangement of both the rotor and stator even at high level of torques that eliminates a flip-flop effect, which is typical for conventional step motors. Stator segments (3), on which coils (4) are placed, making up ... | 07/10/2007 |
| 7240907 | Tricycle crank structure A tricycle crank structure comprises a wheel axle, a pair of cranks and a pair of pedals. The wheel axle is provided with a pair of non-circular sectional holes at respective ends. The inner wall of each hole is provided with a recess. Each crank has one end pivotal... | 07/10/2007 |
| 7240586 | Auxiliary power unit starting apparatus for an electric bicycle The present invention relates to an auxiliary power unit starting apparatus for an electric bicycle, which can convert the rider's pedaling force into mechanical displacement at the time the bicycle is being pedaled, and then the mechanical displacement can start th... | 07/10/2007 |
| 7240585 | Drive mechanism for a bicycle transmission assist mechanism A drive mechanism for a bicycle transmission assist mechanism includes a crank arm having a drive member. The drive member includes a first abutment facing a forward rotational direction of the crank arm and a non-concave sloped surface facing a rearward rotational ... | 07/10/2007 |
| 7234373 | Bicycle crank axle with a radial projection A bicycle crank arm apparatus includes an axle having a first end portion and a second end portion, wherein the first end portion has an outer peripheral surface and a threaded inner peripheral surface; an axle bolt having a threaded outer peripheral surface screwed... | 06/26/2007 |
| 7225703 | Bicycle pedal and crank apparatus A pedal with a shaft fixed to the pedal body instead of a spindle that turns relative to the pedal body. The shaft is fixed relative to the pedal body. The pedal shaft rotates relative to the crank arm instead. A sealed cartridge ball bearing is mounted to the end o... | 06/05/2007 |
| 7204788 | Pedal stroke adjuster for bicycles or the like A stroke adjusting attachment for bicycles or the like enables selective changing of the diameter of the orbit which is traveled by a foot pedal to adapt a particular bicycle to persons having different leg lengths or who may have physical impairments which limit fo... | 04/17/2007 |
| 7181823 | Method for manufacturing integrated bicycle crank arm and spider assembly and the crank arm and spider assembly made thereby A method for manufacturing a crank arm and spider assembly includes the following steps: (1) providing a blank; (2) shaping the blank to form a crank billet comprising an elongate body having a first end on which a spider is integrally formed and an opposite end hav... | 02/27/2007 |
| 7152501 | Bicycle crank fixing structure A bicycle crank fixing structure is arranged to fix a left crank with a mounting bore and a slit extending radially from the mounting bore to a crank axle. The mounting bore is non-rotatably coupled to the crank axle. The slit is provided with two mounting bolts tha... | 12/26/2006 |
| 7148594 | Axial gap electrical machine An axial gap electrical machine employs unique architecture to (1) overcome critical limits in the air gap at high speeds, while maintaining high torque performance at low speeds, while synergistically providing a geometry that withstands meets critical force concen... | 12/12/2006 |
| 7137315 | Wheel hub having driving mechanism A wheel hub for attaching to a vehicle includes a hydraulic engine received in a hub shell and attached or secured to the vehicle, for allowing the hub shell to be rotated relative to the hydraulic engine and the vehicle. The hydraulic engine includes a rotatable sp... | 11/21/2006 |
| 7111977 | Portable watch To provide a portable watch enabling components exchange around a crown while retaining the waterproof capability of a winding-stem-pipe attachment section when the screw lock capability is reduced. A winding stem pipe is screwed into a pipe-attachment hole of a cas... | 09/26/2006 |
| 7093516 | Simple, compact and effective self-extending and retracting bicycle crank arm This invention is a bicycle crank and pedal assembly with a self-extending and retracting crank arm. The assembly only has three one-piece components that move relative to each other, if the bearings used in friction reduction are ignored. It is simple in design, co... | 08/22/2006 |
| 7086993 | Exercise methods and apparatus An exercise apparatus includes left and right rigid connector links having first portions rotatably connected to respective cranks, second portions constrained to move in reciprocating fashion, and third, distal end portions configured to support a person's feet. Th... | 08/08/2006 |
