| 摘要 |
PROBLEM TO BE SOLVED: To provide a clutch operating device capable of extending the service life. SOLUTION: The clutch operating device comprises first air piping 17a, 17b supplying compressed air from an air tank to a clutch booster by stepping on a clutch pedal 11; second air piping 22 supplying compressed air from the air tank to the clutch booster by opening a clutch control valve 23 based on a command from a control device 21; and a double check valve 18 through which the compressed air with higher air pressure out of the compressed air in the first air piping and the compressed air in the second air piping communicates with the clutch booster. The double check valve is provided with a coil spring 26 for pressing a valve element 18b of the double check valve to the side of closing the first air piping. The coil spring allows the movement of the valve element when the compressed air is supplied through the first air piping, to supply the clutch booster with the compressed air supplied through the first air piping. COPYRIGHT: (C)2008,JPO&INPIT
|
