Patent ID: 9180542
Filing Date: 2015-11-10
Classification: B23K,B23Q,F16C,F16H,Y10T

Abstract:
1. A travel drive gear engagement mechanism for a tractor unit, comprising: a clutch lever comprising a cam portion, the clutch lever configured to rotate between a first position and a second position at a point that is offset from a center of an elongated portion of the cam portion; and a connecting member operatively connecting the cam portion of the clutch lever to a drive gear of a tractor unit, wherein the connecting member is operatively connected to the cam portion at the offset point, and wherein the clutch level and connecting member are configured such that the drive gear engages a track gear when the clutch lever is in the first position and disengages from the track gear when the clutch lever is in the second position, wherein the connecting member comprises a pivot point, wherein the connecting member pivots around the pivot point in a first direction to engage the drive gear to the track gear when the clutch lever is rotated to the first position, and wherein the connecting member pivots around the pivot point in a second direction to disengage the drive gear from the track gear when the clutch lever is rotated to the second position.