Matches 1 - 45 out of 45
Match Document Document Title
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...
7293790 Omni-directional toy vehicle  
The invention relates with the omni-directional toy vehicle that can move in all directions of forward, backward, rotational, left and right movement by driving manually the omni-directional wheels...
5442972 Variable ratio bicycle drive mechanism  
A variable ratio bicycle drive mechanism has particular advantages for use in the drive train of an off-road bicycle but has application in human powered vehicles generally. The mechanism provides...
5002296 Driving device for bicycle  
A driving device without chain for bicycle comprises a driving wheel mounted to a crank shaft, a rear gear mounted to a wheel hub for mounting a rear wheel of the bicycle, an input gear coupled...
4746135 Pedal crank driven tricycle  
A non-motorized tricycle including: a frame having a seat for supporting a rider; a front wheel and two rear wheels; a steering member pivotably supported by the frame and supporting the front...
3666291 OCCUPANT PROPELLED AMUSEMENT VEHICLE  
An amusement vehicle comprising an operator member such as a spring-biased seat movably mounted on a vehicle frame, in which frame supporting wheels are rotatably mounted, which operator member is...
3592488 ANTIJACKKNIFE DEVICE  
An antijackknife device for a "semitruck" including a ratchet device which is arranged and mounted so as to prevent additional articulation when activated, but allows return movement of the tractor...
3151872 Child's rocking vehicle with figure simulation  
2173520 Juvenile car  
2168110 Chainless cycle with pedal levers  
1820474 Toy vehicle  
1799947 Foot-propelled vehicle  
1800123 Vehicle  
1630192 Wheeled toy  
1599089 Scooter  
1573247 Scooter  
1533824 Foot-propelled vehicle  
1456881 Pavement glide  
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Matches 1 - 45 out of 45