| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a jack extension device for a work vehicle that is prevented from contacting with a structure positioned above a parking region and has excellent work efficiency during storing work.SOLUTION: The jack extension device for a work vehicle is provided with: jacks that are provided on both front and rear sides and on both left and right sides of a vehicle body respectively; jack extension means for parking that parks the vehicle in a storage area while extending the jacks and lifting up the vehicle; and extending motion stopping means that when performing an extending motion of extending the jacks, from the most shortened state, using the jack extension means for parking, stops the extending motion at a predetermined position for a period until the jacks are extended to the maximum.</p> |
