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    Load elevator
    1.
    发明公开
    Load elevator 失效
    负载电梯

    公开(公告)号：EP0280828A3

    公开(公告)日：1988-12-07

    申请号：EP87630063

    申请日：1987-04-07

    申请人： SAFETECH PTY.LTD.

    发明人： Wakefield, Lindsay ,  Cox, Bruce Naylor

    IPC分类号： B65G01/07 ,  F16F01/00

    CPC分类号： B66F7/065 ,  B65G1/07 ,  B66F7/0625

    摘要： A load elevator for pallets comprising a load supporting platform (2) connected to a base frame (1) through scissor linkages (23,25), a pair of compression springs (3,4) interposed between the platform (2) and the base frame (1), the capacity of said springs (3,4) being selected according to the formula: wherein C is the spring capacity in kilograms, W is the weight of the load in kilograms and H is the height of the load in millimeters, such that when a predetermined load W is supported by the platform (2), the springs (3, 4) will be substantially fully compressed and will operate to automatically elevate the platform (2) as part of the load is removed from the platform (2) whereby the top portion of the load remains at substantially the same height.