Armstrong, Westerman, Hattori, McLeland & Naughton
Steering system for use in a track-laying vehicle
 A steering system for use in a track-laying vehicle comprising: a steering motor that is forwardly and reversely rotatable and designed to drive crawler belts provided at both sides of the vehicle such that a relative travel difference is caused between the crawler belts, thereby turning the vehicle rightwards or leftwards; a forward/reverse drive state detector for detecting whether the vehicle is in its forward drive state or reverse drive state; a lateral turn instructing device for instructing right turn or left turn of the vehicle; and a steering motor forward/reverse rotation control unit for determining the forward or reverse rotation of the steering motor in accordance with the forward or reverse drive state of the vehicle detected by the forward/reverse drive state detector, such that the vehicle turns to the right or left in response to a right turn instruction or left turn instruction released from the lateral turn instructing device. 
Kabushiki Kaisha Komatsu Seisakusho
F B F
F16H B62D F16H
inventional inventional additional
Ryoichi Hideki Tsutomu
Maruyama Yamada Ishino