Patent ID: 7748480

Claim:
A self propelled vehicle comprising: a chassis supported for movement over a ground surface by a plurality of ground engaging members including at least one powered drive member; a control handle comprising an arm coupled to the chassis for pivotable movement of the control handle about a pivot axis, the control handle movable, in a first direction, from a neutral position to a first drive position; and a biasing mechanism to urge the control handle from the first drive position towards the neutral position, the biasing mechanism comprising a unitary elongate element having a first portion attachable to a mounting portion of either the arm or the chassis, wherein the elongate element is configured to deflect as the control handle moves from the neutral position towards the first drive position, and further wherein the elongate element is, when the control handle is in the neutral position, initially deflected by contact of the elongate element with a protrusion spaced-apart from the mounting portion.