| 摘要 |
PROBLEM TO BE SOLVED: To maintain the safety of an assisting worker during cargo handling work. SOLUTION: When a delivery pallet 30 is aligned to a cargo 29 placed on a yard special pallet 28 with the cooperation of both a driver D and the assisting worker S not getting on a driver's seat, if a transmitting means 35 carried by the assisting worker S is turned on, an infrared radio signal is transmitted toward a receiving means 36 and received by the receiving mean 36. During a period for turning on a switch of the transmitting means 35, various operation levers for operating attachments 27 are controlled to be in operative conditions by control means and a hydraulic motor for driving the attachments 27 with the operation of the operation levers is controlled to make a clamping cylinder extend and put the attachments 27 in clamping motion as specified motion.
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