| 摘要 |
PROBLEM TO BE SOLVED: To suppress shock when various kinds of working devices are driven by operating a PTO clutch into a transmission state when performing a work by connecting the working devices to a machine body. SOLUTION: The PTO clutch 6 is constituted into a hydraulic multiple plate type operated into the transmission state by supplying (discharging) working fluid. The working fluid is supplied (discharged) based on a prescribed characteristic from a control valve 15 by an operation command of a clutch operation tool 17, so that the PTO clutch 6 is operated into the transmission state, and the prescribed characteristic can be changed. COPYRIGHT: (C)2009,JPO&INPIT
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