| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmission mechanism capable of suitably speed-increase-driving a pair of steering road wheels in response to the vehicle traveling state at turning, in the transmission mechanism for the vehicle capable of independently adding brake force to a pair of non-steering road wheels displaced/arranged in any one of longitudinal direction of the vehicle relative to the pair of steering road wheels. SOLUTION: A hydraulic pump unit and a hydraulic motor unit of a steering road wheel driving mechanism are supported to a non-steering road wheel housing and a steering road wheel housing arranged with a space respectively. When the vehicle is in the linear advancement state, the steering road wheel is driven at a predetermined reference speed relative to the non-steering road wheel regardless of the operation state of first and second brake mechanisms where the brake force is operatively applied to the pair of non-steering road wheels. When the vehicle is in the turning state, the steering road wheel is speed-increase-driven from the reference speed in response to the difference of the operation state of the first and second brake mechanisms. COPYRIGHT: (C)2005,JPO&NCIPI
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