| 摘要 |
PROBLEM TO BE SOLVED: To avoid danger of runaway of a work vehicle when operating a jack, by prohibiting or permitting jack operation by jack operation in a vehicle body side jack operation part according to the existence or nonexistence of an operator in a driver seat in a cab.SOLUTION: A work vehicle with a jack is provided with operator existence-nonexistence detection means 8 for detecting whether or not an operator stays in a driver seat 15 in a cab 12, and the operator existence-nonexistence detection means 8 prohibits jack operation by jack operation in a vehicle body side jack operation part 5 in an operator undetected state, on the other hand, the operator existence-nonexistence detection means 8 permits the jack operation by the jack operation in the vehicle body side jack operation part 5 in an operator detected state, so that when the work vehicle starts to move by forgetting to work a parking brake in jack operation time, the operator staying in the cab 12 can immediately step a foot brake. |
