Patent ID: 7770908
Filing Date: 2010-08-10
Classification: B62M

Abstract:
1. A human powered engine comprising: a track, a seat mounted for forward and rearward movement along said track, a peddle sprocket driving a first chain for driving a vehicle, a lever carried by said seat and having one end of said lever pivotally mounted adjacent said peddle sprocket, a spring expandable by rearward movement of said seat and connected to said lever, a second sprocket freely rotatable in a first direction and drivingly rotatable in a second direction, a second bicycle chain having one end connected to the back of said seat and extending about said second sprocket to a connection with a cable connecting said second chain to the front of said seat, said second chain serving to rotate said second sprocket in said first direction when said seat is moved rearwardly and to rotate said second sprocket in said second direction when said seat is moved forwardly, and means carried by said second sprocket for driving a vehicle when said sprocket is rotated in said second direction.