Class 280/254 - Rack and pinion

Subclass of Class 280 - Land vehicles
Definition: Vehicles in which the power is transmitted from the lever
No. of patents: 25
Last issue date: 03/01/2011

Number	Title	Issue Date
7896377	Lever enhanced pedaling system with multi-speed control system A multi-speed system configured to increase the speed or decrease the pedaling effort of a lever propelled bicycle. The multi-speed system is composed of a manual control device 70, mounted on the frame close to the rider's hand placement on the handle bars, ...	03/01/2011
7341266	Portable folding robotic system A portable robotic system having a folding carriage is disclosed. The carriage in one embodiment includes two legs and a lateral stabilizer. The folding legs and stabilizer allow the carriage to be maneuvered into a plurality of open and closed positions. In the ope...	03/11/2008
7267351	Frame assembly for a bicycle A bicycle including a frame having a main frame portion and an articulating frame portion pivotally mounted to the main frame portion and carrying a rear wheel of the bicycle. A shock absorber preferably is operably connected between the main frame portion and the a...	09/11/2007
6932370	Human-powered, ride-on vehicle A human-powered, ride-on vehicle, includes a main longitudinal frame member having a steering/drive mechanism mounted thereon for oscillating movement; a driven rear wheel having an axle, a rear sprocket operatively fixed to the rear wheel for coastable engagement t...	08/23/2005
6749211	Bicycle with reciprocal pedal levers having shiftable pivot axis for transmission ratio change This invention relates to a cycle, such as a bicycle, having reciprocal pedal levers for propelling at least one wheel of the cycle. The cycle has a frame that includes a rack, a left pedal lever with a rack and a right pedal lever with a rack. A pinion is carried o...	06/15/2004
6716141	Mechanically actuated scooter A mechanized scooter includes a frame, having a front wheel and at least one rear wheel rotatably attached thereto. A pair of steps are rotatably mounted in the frame and linked to a drive train to drive the at least one rear wheel. The drive train may include a num...	04/06/2004
6578861	Reciprocating type driving mechanism A reciprocating type driving mechanism for use for a bicycle, baby carriage and wheel chair, which can provide convenience in driving to the user and which comprises: a front and rear wheels W1 and W2; a gear box B; a driving and driven gears 20 and 30 an...	06/17/2003
6412802	Rectilinear propulsion apparatus A rectilinear propulsion apparatus for propelling a bicycle. The rectilinear propulsion apparatus includes a rectilinear drive portion comprising a plurality of rack gear assemblies fixedly coupled to the sides of the middle frame portion of the bicycle, ...	07/02/2002
6334838	Exercising cart structure An exercising cart structure. The structure includes a cart body, a front wheel steering unit, a driving wheel unit, a chain and a rear wheel unit. The front wheel steering unit is installed on a front section of the cart body. The driving wheel unit is i...	01/01/2002
6325400	Treadle-type vehicle body forward drive structure A treadle-type vehicle body forward drive structure comprised of a base plate, a transmission assembly and a treadle structure installed onto the base plate, a gear assembly enmeshing the transmission assembly to the treadle structure, and a position limi...	12/04/2001
6079724	Tricycle A tricycle includes a base plate, and two pedals and a brake pedal arranged near the rear end of the base plate. The pedals are each connected to a rack rod. The base plate has two lugs at both sides, and a rotary shaft is pivotally mounted at the lugs. T...	06/27/2000
5716069	Motion transfer mechanism for transferring reciprocol motion to rotary motion A motion transfer mechanism for transferring reciprocal motion to rotary motion comprises at least one driving member having front and rear end portions terminating, respectively, in front and rear ends and mounted to undergo reciprocal motion about a fir...	02/10/1998
5439240	Balance shifted personal carriage A balance-shifted personal carriage (19) designed for physically challenged persons such as paraplegics confined to wheelchairs. The carriage (19) basically consists of a base frame assembly (13) that supports a seating assembly (15) a pair of free pivoti...	08/08/1995
5351979	Two-wheeled vehicle A two-wheeled vehicle comprising a frame having two wheels suspended rotatably therein, whereof the one is driven and the other is steerable relative to the frame via a subframe, wherein the frame bears a saddle-like seat element in addition to a rotatabl...	10/04/1994
5335927	Pedaled propulsion system A drive mechanism for a pedalled vehicle employs foot levers mounted on the vehicle frame, a rotary drive mechanism, and one way rotary members. A chain or toothed rack can engage the rotary members to provide reciprocal oscillatory motion, which is then ...	08/09/1994
5310202	Skateboard A skateboard is provided with a low profile and a simplified mechanism for driving the same without interfering with skateboard steering. A narrow drive belt is entrained about a centrally located pulley integrally mounted on a shaft carrying forward whee...	05/10/1994
5280935	Self-propelled skateboard A footboard of a skateboard is with respect to a respective reference plane which at riding straight (=x plane) is parallel to the riding path (=the ground), and at turning (=x" plane) is with respect to the direction of riding slanted to one or the other...	01/25/1994
5007655	Variable speed lever propelled wheelchair Disclosed is a wheelchair having a pair of levers along its opposite sides connected with sprockets on drive wheels. In one form, each lever is connected to its sprocket by a rack. The drive wheels have a clutch enabling the power stroke of the lever to d...	04/16/1991
4861055	Drive mechanism A drive mechanism for a human-powered vehicle is disclosed. The vehicle has a frame, plural wheels and linear motion generating mechanism, which is operable by a human being, for generating substantially linear, oscillating motion. A motion converting dev...	08/29/1989
4473236	Pedal drive mechanism For a vehicle such as a bicycle having a frame and at least one drive wheel, a driving sprocket, and an endless chain connecting the sprocket to the drive wheel, an improved propelling mechanism having two longer than usual pedal arms pivotally mounted on...	09/25/1984
4411442	Foot-powered wheeled vehicle A foot-powered wheeled vehicle provides a frame having a platform normally occupied by a user. A pair of spaced apart front and rear trucks each supports a pinion geared shaft and a pair of wheels affixed to opposite ends of the shaft and rotatably with r...	10/25/1983
4186934	Scooter vehicle A scooter vehicle has a chassis, and a front wheel mounted on the center line of the chassis, a rear wheel mounted on the chassis, and a steering column attached to the front wheel. A pair of ratchet gears are connected one to each of the rear wheels. A p...	02/05/1980
4084836	Pedal car A pedal car having a body with a seat and a steering wheel and rear wheels supported on an axle. Ring gear sectors are supported on the car and connected to two pedals which the rider can oscillate. Two spaced pinions on the axle engage the ring gear at d...	04/18/1978
3998469	Bicycle with drive levers Bicycle provided with two drive levers which each carry a pedal at one end and which, by means of a pivot, are connected pivotally about a pivot axis transversely to the riding direction to the bicycle, synchronization coupling means operative between the...	12/21/1976
3948542	Bicycle with auxiliary seat drive Additional propelling power for a bicycle is provided by mounting the bicycle seat to reciprocate in an up and down direction and converting this motion into rotary motion by a ratchet gear. Rotation of this ratchet gear takes place when the seat moves do...	04/06/1976

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Class 280/254 - Rack and pinion