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    Cocking mechanisms for guns
    31.
    发明授权
    Cocking mechanisms for guns 失效
    制作机械手

    公开(公告)号：US3700394A

    公开(公告)日：1972-10-24

    申请号：US3700394D

    申请日：1967-11-28

    申请人： SECR DEFENCE

    发明人： BRINT NORMAN TREVOR

    IPC分类号： F41A7/02 ,  F41D11/00

    CPC分类号： F41A7/02

    摘要： A cocking mechanism for a gun, comprising a rotary shaft, carried by the mounting and having intersecting right and lefthanded screw-threads and a coacting retractor member which, on rotation of the shaft, retracts the recoiling parts of the weapon, as a result of its interaction with one screw-thread, to cock certain mechanisms; whereafter run-out occurs under the influence of spring action accompanied by interaction between the retractor member and the reverse thread. The first screw-thread may be of slow pitch to give a mechanical advantage to the operator and the reverse thread of steeper pitch to give a mechanical advantage in favor of the springs.

    摘要翻译： 一种用于枪的起动机构，包括由安装件承载并具有相交的右和左旋螺纹的旋转轴和共同作用的牵开器构件，其在轴的旋转时将武器的回弹部分缩回，作为 其结果是与一根螺纹螺纹相互作用，对某些机构进行旋转; 此后，在伴随牵开器构件和反向螺纹之间的相互作用的弹簧作用的影响下发生跳动。 第一螺纹可以具有缓慢的间距，以给操作者提供机械优点，并且更陡峭的螺距的反向螺纹提供有利于弹簧的机械优点。