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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3498634 |
MANUALLY SELF-PROPELLED RIDING VEHICLE
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3134608 |
Child's self-propelled vehicle
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3132877 |
Bicycle propulsion means
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3044801 |
Occupant propelled shopping cart
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2883203 |
Gear powered toy horse
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2789831 |
Tricycle vehicles for children
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2424639 |
Bicycle
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2184244 |
Bicycle
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2088259 |
Child's vehicle
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2031015 |
Child's wheeled vehicle
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2029842 |
Bicycle with horse riding action
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2018381 |
Jockey wagon
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2012534 |
Power converting mechanism
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1998293 |
Self-propelled scooter vehicle
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1977035 |
Pedal scotter
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1929081 |
Seesaw
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