Patent ID: 7413206

Claim:
A drive system for use with a cycle having at least one wheel, said system comprising: a first gear structured to be rotatably driven in opposing first and second directions; a second gear structured to be rotatably driven responsive to said first gear and in a direction that is opposite to a direction that said first gear rotates; a freewheel operatively coupled to said second gear; a drive sprocket operatively coupled to said freewheel, wherein said freewheel causes said drive sprocket to be rotatably driven only when said first gear is rotatably driven in one of said first direction or said second direction; a driven sprocket for mounting coaxially and in driving relationship with a wheel; a link for linking said drive sprocket and said driven sprocket; a support bar coaxially mounted to said first gear and having spaced apart first and second locations; and first and second levers respectively extending from said first and second locations of said support bar, wherein reciprocal movement of said first and second levers causes said first gear to rotate in said first and second directions, and correspondingly causes said second gear to rotate, thereby effecting rotation in said drive sprocket and said driven sprocket.