Class 280/256 - Linkage and crank

Subclass of Class 280 - Land vehicles
Definition: Vehicles in which the power is transmitted from the lever
No. of patents: 31
Last issue date: 04/17/2012

Number	Title	Issue Date
8157281	Driving mechanism and a bicycle using the same A driving mechanism of the present invention includes a transmission disc, a transmission belt, a pair of cranks, a pair of arms, a pair of connecting bodies and a pair of pedals. The cranks and the arms are disposed on the frame of a bicycle, and the connecting bod...	04/17/2012
7686317	Ellipticycle with torque amplifying pedal beams and a fully enclosed multiple speed dual rear wheel drive An Ellipticycle features a conventional bicycle front wheel assembly which is joined by two parallel lengths of bicycle tubing to a cast aluminum gear case within which a multiple speed transmission is enclosed. A crank shaft extends out through bearings in the left...	03/30/2010
7669869	Drive apparatus A drive apparatus for converting a substantially linear driving force to a rotary propulsive force, the apparatus including a pedal assembly for accepting a substantially linear drive force and fixed structure assembly for converting the substantially linear drive f...	03/02/2010
7007570	Pedal crank mechanism for bicycle A bicycle crank mechanism comprises a main crank, a follower crank, and a connecting lever disposed between free ends of the main and follower cranks. A second fixed fulcrum shaft of the follower crank is arranged obliquely upwardly and backwardly of a first fixed f...	03/07/2006
6964424	Drive system A drive system for use in a bicycle or the like, which includes a manually-operable member and a drive train connected to the member for transferring drive from the member to at least one of the bicycle wheels. The member is mounted for substantially rectilinear rec...	11/15/2005
6769706	Pedal powered scooter The following invention is directed to a pedal powered two wheel scooter. The invention discloses a scooter having a steerable front wheel assembly, a rear wheel assembly and a frame linking the front and rear wheel assemblies. The scooter has a drive mechanism comp...	08/03/2004
6663127	Self-propelled exercise device A self-propelled exercise device such as a bicycle includes a frame having a drive wheel rotatably supported thereupon. The bicycle includes a first and a second foot link which are powered by the user. A coupler assembly directs the first end of each foo...	12/16/2003
6619682	Scooter An occupant propelled vehicle is provided that includes a frame having a front portion and a rear portion, front and rear wheels, a platform, a steering mechanism and a drive mechanism. The drive mechanism may include a drive sprocket mounted on the frame...	09/16/2003
6478322	Bicycle with propelling mechanism This invention relates to a bicycle having a driving force transmitting mechanism with oscillating fulcrum point. A sliding part is provided with a dust cover or a brush to prevent dust and the like from being entered therein and to remove the dust, if en...	11/12/2002
6361479	Recumbent total body exerciser A recumbent apparatus for exercise and physical therapy providing a lower body workout, an upper body workout and cardiovascular conditioning, the apparatus comprising a frame having a forward end and a rearward end, the frame generally defining a longitu...	03/26/2002
6349956	Bicycle This invention relates to a bicycle having a driving force transmitting mechanism with oscillating fulcrum point. A sliding part is provided with a dust cover or a brush to prevent dust and the like from being entered therein and to remove the dust, if en...	02/26/2002
6336646	Human powered vehicle with at least two wheels A human propulsion vehicle with at least two wheels (3, 5) comprising a first frame (1), handlebars (4) rotatably mounted onto the first frame (1) and connected to at least one wheel (3), a second frame (8) integrally connected to the first frame (1) at t...	01/08/2002
6322133	Falling object protective apparatus for an industrial vehicle A protective apparatus for use in an industrial vehicle having an operator station including a protective member adapted to be connected with the vehicle so as to be generally disposed above the operator station. The protective member has a plurality of a...	11/27/2001
6209900	Cycle provided with a moving fulcrum type leverage A pedal arm as a lever member is supported at its fulcrum by a roller, which is held for movement in a guide groove. A crank pin in an eccentric position on a gear is coupled to the point of action of the pedal arm, whereby the rotation of the gear is tra...	04/03/2001
6086078	Rowing machine with wheels A rowing machine with a body frame assembly and actuated by a seated user. It includes a stabilizing wheel assembly with the ends of a pivotally mounted axle provided with wheels. A pivotally mounted front wheel assembly is designed for steering the machi...	07/11/2000
6032970	Upper body activated cycle An upright in-line cycle having a frame, front steerable wheel, drivable rear wheel, drive sprocket, driven sprocket, oscillatory steering levers, a fork assembly, a drive crank assembly, and drive with connecting rods operably connected such that the osc...	03/07/2000
5501476	Muscle powered therapeutic vehicle A therapeutic wheeled vehicle particularly suited for strengthening the hip extensor muscles of a user is described. The vehicle combines the therapeutic benefits of conditioning the hip extensor muscles with the enjoyable activity of propelling oneself o...	03/26/1996
5490686	Oscillating lever hand propelled vehicle A vehicle for converting oscillating human motion into linear vehicular translation. The inventive device includes a frame having first and second pairs of driving wheels rotatably mounted thereto. A pair of center wheels projects from the frame between t...	02/13/1996
5397145	Velocipede with single frame bar A four wheel velocipede includes a single front to rear frame member connected to front and rear axle assemblies. The steering mechanism is coupled to the front axle assembly by a pipe braced to the frame member. In one embodiment, the frame member is ben...	03/14/1995
5242181	Human powered vehicle with improved drive system A human powered vehicle is disclosed. The vehicle includes a frame with the capability for supporting an operator one the frame. The vehicle further includes a drive wheel mounted for rotation to the frame, and a mechanism powered by the drive wheel to pr...	09/07/1993
5207442	Toy vehicle with track and roller drive train A toy vehicle for a child includes a track and roller drive train for propelling the vehicle. Each of a pair of pedal arms is pivotally mounted at its forward end and has a split track mounted at the rear end thereof which rides on a roller mounted on eit...	05/04/1993
5172926	Pedal drive mechanism A drive mechanism and a bicycle having a drive mechanism is disclosed, the drive mechanism increasing the torque resulting from a force applied to the pedals and providing for more efficient transmission of such force to propel the bicycle or other vehicl...	12/22/1992
5120074	Velocipede A velocipede comprising a rigid frame with front and rear wheels and a crank operably connected to the rear wheels. A first member has its front end portion pivotably connected to the frame front end such that the first member is movable between upper and...	06/09/1992
5065633	Apparatus for the measurement of drive torques An apparatus for the measurement of the drive torque exerted on a drivable wheel and/or parameters associated therewith in which the measurement parameters are determined in dependence on the relative rotation of two parts disposed in the drive and the re...	11/19/1991
4993732	Detachable manual propulsion system The present invention provides a manually operable propulsion unit for the detachable attachment to a wheelchair in which the wheels are arranged to be driven by circular hand rails fixedly attached to, concentric with and laterally spaced outside the whe...	02/19/1991
4898047	Crank and sprocket drive Apparatus is provided for propelling a bicycle. In a preferred embodiment a crank and a sprocket are included which are rotatable relative to one another and have a common center of rotation. A guide fixedly attached to the sprocket constrains a sliding m...	02/06/1990
4816009	Power transmission system particularly useful for bicycles A power transmission system particularly useful for a foot-operated bicycle comprises a pair of axle sections coaxially-mounted with respect to each other, each fixed to one of the crank arms and each rotatable independently of the other; and coupling mec...	03/28/1989
4634137	Tricycle and drive therefor A pedal drive for a tricycle having a single driven rear wheel and two steerable front wheels. There are a pair of matched, laterally spaced sprockets mounted on a transverse shaft and a pair of matched, laterally sprockets rotatably mounted forwardly of ...	01/06/1987
4577879	Bicycle A bicycle having a frame provided with a chain and sprocket assembly. The pedal cranks on the front sprocket of the sprocket assembly are pivotally coupled at their outer ends to a pair of bars near to but spaced from the front ends of the bars, the rear ...	03/25/1986
4463963	Driving mechanism for bicycle and the like devices This invention relates to a driving mechanism for bicycles and the like devices wherein the conventional frame, seat and chain axle drive is employed, characterized in that an oscillating arcuate body is mounted on a base connected to the bicycle frame, s...	08/07/1984
4351406	Velocipede for the physically handicapped An amusement and exercising vehicle for physically handicapped persons is driven by a motor. Operational movement of the drive mechanism is translated into reciprocal movement of the foot pedals. The foot pedals are provided with orthopedic braces for sup...	09/28/1982

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Class 280/256 - Linkage and crank