Anti two-blocking device
    1.
    发明授权
    Anti two-blocking device 失效
    防双阻塞装置

    公开(公告)号:US3941354A

    公开(公告)日:1976-03-02

    申请号:US552896

    申请日:1975-02-25

    申请人: Marshall A. Paige

    发明人: Marshall A. Paige

    IPC分类号: B66D3/24 B66D1/00

    CPC分类号: B66D3/24 Y10T24/3936

    摘要: A fail-safe cable cutter device which prevents the release or loss of an ect lifted by a cable through a pulley in the event the object accidentally strikes the pulley and is lifted beyond its safe load condition; i.e., the object is "two-blocked."

    摘要翻译: 一种故障安全的电缆切割装置,其防止在物体意外撞击滑轮并被提升超过其安全载荷状态时通过滑轮由电缆提升的物体的释放或损失; 即,对象是“双阻塞的”。

    T hill
    9.
    发明授权
    T hill 失效

    公开(公告)号:US563036A

    公开(公告)日:1896-06-30

    申请号:US563036D

    CPC分类号: B66D3/24

    Island
    10.
    发明授权
    Island 失效

    公开(公告)号:US542710A

    公开(公告)日:1895-07-16

    申请号:US542710D

    CPC分类号: B66D3/24