Patent ID: 8783391
Filing Date: 2014-07-22
Classification: A01D,B62D

Abstract:
1. A self-propelled vehicle comprising: a chassis; a drive train attached to the chassis and configured to power a drive member also attached to the chassis; a prime mover attached to the chassis and operatively coupled to the drive train; a control member attached, for movement about an axis, to the chassis and operable to independently vary an output of the drive member, the control member movable incrementally between a first position corresponding to zero output of the drive member, and a second position corresponding to a maximum potential output of the drive member; a bellcrank attached to the control member such that both the control member and the bellcrank pivot about the axis; a control link comprising: a first end operatively coupled to the bellcrank; and a second end operatively coupled to the drive train; and an adjustment member movably coupled to the chassis and movable between a first and a second position, the adjustment member configured to move the first end of the control link between: a first location, wherein the first end of the control link is located at a first distance from the axis; and a second location, wherein the first end of the control link is located at a second distance from the axis, the second distance less than the first distance.