| 摘要 |
<p>PROBLEM TO BE SOLVED: To press a push button by the displacement of the posture of a key part even when the push button of a switch body is arranged toward horizontal direction within a recess by providing a key switch formed of a key part mounted on a lid side and a switch body mounted on a working device body side, and mounting the key part on the lid through an elastic member. SOLUTION: A key switch 20 is mounted in the opening and closing position of an opening and closing cover 13 constituting the lid body of the cutting area of a working machine. The key switch 20 is formed of a switch body 21 and a key part 22, and the switch body 21 is installed to the working device side, and the drive of the working device is switched to operating state and stopped state by ON/OFF of the switch body 21. The switch body 21 has a push button 23 protruded horizontally, and the push button 23 is housed in a recess 24 provided on the working device so that it can not be easily touched, and the push button 23 is installed in a state of protruding in about the middle part within the recess 24.</p> |
