Patent ID: 7131267

Claim:
A hydraulic drive device capable of driving in a forward and a reverse direction, comprising: a casing; a hydraulic pump located within the casing; a control arm coupled to the hydraulic pump to control the hydraulic pump fluid flow, the control arm having a first position corresponding to the hydraulic drive device driving in a forward direction and a second position; a first switch mounted at a first location on the hydraulic drive device, the first switch cooperating with the control arm and having an open state and a closed state, wherein the first switch being in the open state is indicative of the control arm assuming the first position; and a second switch mounted at a second location on the hydraulic drive device separate from the first location, the second switch cooperating with the control arm and having an open state and a closed state, wherein the state of the second switch is indicative of the control arm assuming the second position.