| 摘要 |
PROBLEM TO BE SOLVED: To generate a signal accurately indicating the lock state of the slide tray of a tachograph by a simple means, by arranging a sensor belonging to a switch and engaging the sensor in the movement path of a lock member which is movable laterally to the movement direction of the slide tray. SOLUTION: The sensor is arranged belonging to the switch 48 and engaged in the movement path of the lock member 53 which is movable laterally to the movement direction of the slide tray 6 in the form of levers 45 and 52 supported elastically by a spring. A two-arm lever 45 useful as the sensor is supported on a support pin 46 formed directly on the slide tray 6 so that the lever can swivel. The lever 45 arranged as a swing member has one side coupled with a compression spring and the other coupled with the switch 48 in terms of operation, and the switch 48 is fitted to the slide tray 6 as well by using lock members 49 and 50, which are formed on the slide tray 6. |
