| 摘要 |
<p>PROBLEM TO BE SOLVED: To change-over a change-over clutch for the connection or the connection release of a steering wheel without requiring a complicated operation when a switch for changing-over travelling is operated. SOLUTION: A clutch motor H2 is driven by a command from a travelling control part 13 corresponding to the operation of a travelling mode selecting switch 14 and the change-over operation of a change-over clutch 4 is executed, which is changed-over between a connection position where a steering wheel 6 is connected to the steering mechanism of front wheels 10 and 10 and a release position for releasing the connection. Thus, the change-over clutch is operated by transmission from the motor and the change-over operation is executed into the connection position or the release position so that the connecting state between the steering wheel and the steering mechanisms in manual travelling and also the connection release state between the steering wheel and the steering mechanisms in automatic travelling are realized without requiring a complicated operation.</p> |
