"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
|7654545||Vehicle for exercising|
This device is exercise equipment. It is a vehicle that is driven by arm and leg power. The device is a three wheeled vehicle that driven by the movement of the handlebars and the seat. The rider moves the handlebars and the seat back and forth. The handlebars are a...
|7241197||Steering system for movable toy vehicles|
A wheeled vehicle for small children with a steering wheel on a long steering column that extends upward and backward to about waist level of a child walking behind the vehicle. The child propels and steers the vehicle by pushing on the steering wheel and turning th...
A bicycle which can be driven either by conventional rotation of the pedals, or by reciprocating movement of the saddle on the seat post. The cycle includes two frame portions: a first fixed frame portion including an upright member extending from a drive...
|5606207||Power generating apparatus for a bicycle|
A power generating apparatus for a bicycle, in particular, a racer type bicycle such as a road racer and a mountain bike, is disclosed. The power generating apparatus of the present invention composed of a power generating unit and a mount stay having sui...
|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...