| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To allow free use or restricted use of a work machine depending on various use forms. <P>SOLUTION: The work machine such as a tractor, backhoe, combine or transplanting machine includes remaining time calculating means 40 for calculating a remaining time to allow the use of the work machine. The work machine further includes operation restricting means 41 for restricting the operation of a driving part when the remaining time is zero, and remaining time prolonging means 42 for prolonging the remaining time when a permission signal S for permitting the remaining time to be prolonged is input. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
