| 摘要 |
PROBLEM TO BE SOLVED: To improve the operability of a cleaner loaded on a reach fork lift. SOLUTION: A nozzle head 17 is elevatingly actuated actively interlocking with the ON-OFF operation of a cleaner switch. At the time of OFF of the cleaner switch, a hydraulic cylinder 32 having the bottom pressure of a lift cylinder as original pressure is extended, and a drive pulley 31 winds up a wire 28 to elevate the head 17. At the time of ON of the cleaner switch, the cylinder 32 is contracted by the force of an incorporated return spring, and the pulley 31 allows the downward rewinding of the wire 28, thereby lowering the head 17 by its dead weight.
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