Patent ID: 6860826
Filing Date: 2005-03-01
Classification: B62M,F16H

Abstract:
1. A vehicle comprising: an engine capable of rotating a crankshaft in a first direction and a second direction; a drivetrain coupling the crankshaft of the engine to a drive shaft of the vehicle; the drivetrain comprising a cam having a first cam member and a second cam member; the first cam member including a first cam surface which contacts a cam follower when the crankshaft is turning in the first direction; the second cam member including a second cam surface which contacts the cam follower when the crankshaft is turning in the second direction; a coupling linking a first cam member of the drivetrain to a second cam member; the coupling absorbing shock when a rotational direction of the crankshaft is changed from the first direction to the second direction or from the second direction to the first direction; and wherein the coupling comprises a sleeve having an inner surface dimensioned to engage a coupling portion of the first cam member and an outer surface dimensioned to engage a coupling portion of the second cam member.