| 摘要 |
<p>PURPOSE:To surely prevent the oil in pressurization chambers from being pressurized when the feed of the oil to the pressurization chambers is stopped. CONSTITUTION:A clutch device having multiple hydraulic clutches 27 operated in turn by the high-pressure oil discharged by a hydraulic pump is provided with oil relief orifices 29A, 39A communicated with outer peripheries of pressurization chambers 29, 39 in a clutch housing 28.</p> |
