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    Keyless lock
    1.
    发明授权
    Keyless lock 失效
    无钥匙锁

    公开(公告)号：US5549338A

    公开(公告)日：1996-08-27

    申请号：US565418

    申请日：1995-11-30

    申请人： Andy Q. Wingfield ,  James L. Thomas

    发明人： Andy Q. Wingfield ,  James L. Thomas

    IPC分类号： E05C19/18

    CPC分类号： E05C19/184 ,  Y10T292/379 ,  Y10T292/388

    摘要： A base plate with an extension which defines a pair of notched seats is secured to the frame of a pivoting door in the gap between the frame and the door. A stop plate, made from a disk of stiff metal plate having an aperture of predetermined shape and with three bent sections that form a hand grip, is initially placed over the extension on the base plate while the door is closed. The stop plate aperture allows the stop plate to be displaced horizontally and downwardly until the section of stop plate defining the opposite end of the aperture lies within the upper notched seat and rests on the base plate. The stop plate confronts the face plane of the door; the door is prevented from opening beyond the door frame by the combination of the stop plate and the base plate.

    摘要翻译： 具有限定一对切口座的延伸部的基板在框架和门之间的间隙中固定到枢转门的框架。 由门形成手柄的具有预定形状的孔的刚性金属板的盘制成的挡板最初被放置在门板关闭时在基板上的延伸部上。 挡板孔允许止挡板水平和向下移动，直到限定孔的相对端的止动板的部分位于上切口座内并搁置在基板上。 挡板面对门的面板; 通过止动板和基板的组合，防止门打开超过门框。