Panther Front And Rear Wheel Drive Bicycle
OwnerJohn Tulpaninventor
Life of this patent
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OwnerJohn Tulpaninventor
Estimating the term…
The regular handlebar and front wheel of a bicycle are replaced by a steering head including a pair of hand cranks, and by a sprockets-containing front wheel. The hand cranks are positioned such that the rider's weight center is stabilized unto the cycle's seat, away from his hands. A sprocket mounted unto the hand cranks' drive shaft transmits the power from the hand cranks, through a continuous chain, to the front wheel's sprockets. A set of brake cables and bearings prevent the brakes' cables from twisting, while rotating the hand cranks. The regular cycle's seat is replaced by a back support-containing seat. The rider can position the hand cranks in unison or alternatively. The rider can drive the bicycle by simultaneous or independent foot and hand operation. The addition of a set of hand cranks to a regular bicycle enables an increase in the cycle's speed, along with intensified exercise. The hand cranks system can be mounted and unmounted onto any existing bicycle. The hand cranks mechanism exhibits great simplicity, while maintaining safety and very good steering ease.
1) A dual drive bicycle comprising:
18) A dual drive bicycle including a front wheel hand cranks operated system, which can be mounted onto any bicycle frame, comprising:
33) A method of switching a pair of hand cranks from the 0 to the 180 degrees position and forth, corresponding to positioning the cranks in unison or alternatively, comprising:
Dependencies are inferred from the claim text.