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    • 44. 发明专利
    • HEAVY LOAD HAULAGE DEVICE
    • JPS54138218A
    • 1979-10-26
    • JP4425278
    • 1978-04-17
    • HITACHI LTD
    • HIBINO YOUZOUNABESHIMA YASUO
    • B60P9/00
    • PURPOSE:To enable easy, safe, and low-cost haulage of heavy loads by use of a simple mechanism comprising a car truck, horizontal beam, inclination adjuster, sliding beam, and advance/retreat drive gear. CONSTITUTION:A horizontal beam 4 is kept horizontal by an inclination adjuster 5, a car truck 1 is engaged, and a sliding beam 6 is lifted by an air bag 7. The sliding beam 6 is moved along the upper face of the beam 4 to the rightmost position (as indicated by two-dotted lines) by an advance/retreat drive gear 9, and the gear 9 is released. As the beam 6 is moved while being lifted by air pressure, drive force is saved and the movement is safe. As a cushion of air bag 7 is present between the beams 6 and 4, the beam 6 is kept in constant position relative to the ground and the car truck 1 and the beam 6 can be moved without movement of the beam 6. Thus heavy loads can be transported safely and continuously by use of simple mechanism.