Matches 1 - 50 out of 175 1 2 3 4 >
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7621547 Occupant-pedaled drive mechanism for scooter  
A scooter propulsion mechanism includes a pedal secured to the upper surface of the platform and a rigid link pivotally connected from the pedal to the mechanism components mounted on the bottom...
7549662 Bicycle change gear mechanism  
The bicycle gear mechanism, in particular a rear wheel change mechanism, comprises a derailleur provided with a drive chain guide element. The derailleur comprises: an arm ( 2 ); a first attachment...
7445223 Bicycle drive unit capable of backward movement and naughtrotation and forward movement traveling when rectitude or reverse pedaling  
The present invention relates to a bicycle drive unit that moves forward and backward and idles upon clockwise and counterclockwise pedaling, comprising: a drive shaft having one end located in an...
7370873 Bicycle drive unit of multi pedaling type  
The present invention relates to a bicycle drive unit of multiple pedaling modes, comprising a drive shaft on one side having a counterclockwise one-way clutch and a clockwise one-way clutch...
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...
7111860 Treadle scooter  
A treadle scooter for providing mobility to a user. The treadle scooter includes a frame assembly comprising a front end and a rear end. A steering assembly is rotatably coupled to the front end of...
7048289 Human-powered vehicle  
Apparatus and methods are disclosed for a human-powered vehicle. The vehicle can be a two-wheel, recumbent-style vehicle. The vehicle can be readily disassembled for ease of transport.
6779807 Human powered vehicle and propelling mechanism thereof  
A human propelled vehicle, e.g., bicycle, has a propelling mechanism that allows crank arms longer than eight inches. The propelling mechanism includes first and second shafts coupled to first and...
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...
6705630 Personal vehicle  
The present invention provides an easy turning and highly accurate personal vehicle. This is accomplished by providing a frame with at least one hubless wheel, wherein the passenger's foot may be...
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...
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 W 1 ...
6241269 Drive mechanism for vehicle  
A foot driven vehicle utilizing a platform. The platform is motivated on a surface utilizing a foot pedal connected to a crank. The crank further includes an endless surface which is linked to a...
6079727 Occupant pedaled skateboard  
A foot driven vehicle utilizing a platform. The platform is motivated on a surface utilizing a foot pedal connected to a crank. The crank further includes an endless surface which is linked to a...
6024369 Specialized wheelchair for a paraplegic fencer  
A fencing sports wheelchair includes a seat (1) mounted to a base (2). A pedestal (3) underlying the base such that the base is selectively rotatable. A platform (10) having an upper surface to...
6017295 Recumbent mobile exercise apparatus  
A mobile exercise apparatus is provided for sit down exercise operated in the recumbent position where foot operated pedals follow an oblong pedal path coordinated with arm exercise. The pedal path...
5697627 Vehicle with thrust crank drive  
In order to provide a vehicle with a driven wheel (30), which possesses an external wheel hub (23) and is driven with the aid of a thrust crank drive which, while easily and safely operable, is at...
5690345 Bicycle pedal that moves in a rectilinear path  
A rectilinear drive assembly for a bicycle. The drive assembly includes a pair of tracks that each have a pair of opposing side portions joined by a pair of opposing radial end portions which...
5405157 Rider-propelled wheeled land vehicle  
There is provided an occupant-propelled land vehicle, such as a bicycle, having a frame, at least one front wheel, at least one rear wheel, and a seat for the rider of the vehicle, supported by the...
5351575 Pumping propulsion system  
The pumping propulsion system relates to a new drive and/or power system for a bicycle/vehicle. Power is applied to the pumping propulsion system by a stepping action from an individual's legs and...
5242182 Bicycle and the like  
There is provided an occupant-propelled land vehicle, such as a bicycle, having a frame, at least one front wheel, at least one rear wheel, and a seat for the rider of the vehicle, supported by the...
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...
5104137 Apparatus and method for providing rotary power  
An apparatus, more particularly a bicycle, which includes a device or assembly for providing rotary power. The device or assembly comprises a frame; a shaft rotatably mounted to the frame; and a...
4915403 Skateboard with mechanical drive  
A skateboard has a frame (1) on which a petal (7b) is pivotably mounted. When the pedal (7b) is pressed down its movement is converted via a push rod (16), a crank (26) and a toothed segment (29)...
4872695 Torque-multiplying kinematic device particularly for bicycles and bicycles employing said kinematic device  
A torque-multiplying kinematic device for use on a traditional rear wheel chain driven bicycle includes a pair of rods, each rod consisting of a foremost portion inclined from a rearmost portion, a...
4726600 Dual system bicycle  
A dual system bicycle for hand and foot propelling operations including a handle device with a front link mechanism operatively installed on top of a front fork member fixed on a front wheel of a...
4666173 Foot pedal drive for bicycles  
A bicycle having pedal bars pivoted on the frame near the rear wheel, with a pedal sprocket positioned above the rear wheel. A connection member couples the rear end of each of the pedal bars to...
4584889 Drive mechanism for occupant propelled vehicle and the like  
A drive mechanism for bicycles and other devices, comprising a rotary crank shaft having radial crank arms, oscillatory guides or ways spaced from the axis of the crank shaft, crossheads shiftable...
4561668 Operator powered reciprocating drive system  
An operator-responsive drive system is capable of rotating a drive wheel in either a velocipede, such as a bicycle, or a stationary exerciser. In a first mode of operation, drive linkage connects a...
4560182 Bicycle  
A torque generating mechanism for a chain drive system of a bicycle which comprises a main shaft fixed with a chain wheel and a first gear, an auxiliary shaft arranged parallel to the main shaft, a...
4456276 Bicycle assembly  
A bicycle having a frame, a driven wheel rotatably supported on the frame, a drive sprocket rotatably mounted on the frame, a driven sprocket fixed to said wheel, a chain extending between the...
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...
4053173 Bicycle  
A bicycle of the type comprising a frame and a front and rear wheel rotatably mounted to the frame is provided with improved means for rotatably driving the rear wheel. The driving means comprises...
4029334 Bicycle drive assembly  
A drive assembly for a physically propelled vehicle such as a bicycle having a crank arm operatively connected to a drive member for rotating the drive member, and a power arm rotatively mounted...
3498634 MANUALLY SELF-PROPELLED RIDING VEHICLE  
3134608 Child's self-propelled vehicle  
3132877 Bicycle propulsion means  
3044801 Occupant propelled shopping cart  
2883203 Gear powered toy horse  
2789831 Tricycle vehicles for children  
2424639 Bicycle  
2184244 Bicycle  
2088259 Child's vehicle  
2031015 Child's wheeled vehicle  
2029842 Bicycle with horse riding action  
2018381 Jockey wagon  
2012534 Power converting mechanism  
1998293 Self-propelled scooter vehicle  
1977035 Pedal scotter  
1929081 Seesaw  
Matches 1 - 50 out of 175 1 2 3 4 >