Patent ID: 7584976
Filing Date: 2009-09-08
Classification: A61G,B62K

Abstract:
1. A hand-propelled vehicle comprising: a frame with a telescoping support bar, said bar supporting a rider seat and wheel supports for five wheels, including two front jockey wheels, two rear wheels and a retractable front wheel; a rowing-motion propulsion system including a t-bar lever connected to an elbow, said t-bar moving in forward and reverse direction, said elbow driving a gear wheel when said t-bar is moved either forward or backward; said t-bar lever pivoting at a point on said telescoping support bar; said gear wheel driving said two back wheels; said t-bar being rotatable; wherein when said telescoping support bar is extended, said retractable front wheel is touching a road surface, and two front jockey wheels are lifted off of said surface.