Self-closing door hinge
    1.
    发明授权
    Self-closing door hinge 失效
    自闭门铰链

    公开(公告)号:US4406034A

    公开(公告)日:1983-09-27

    申请号:US285853

    申请日:1981-07-21

    Abstract: A self-closing door hinge for a curtain door mounted within a frame consisting of a channel having a double helical track and a roller on said helical track which is returned to a pre-selected position after movement in either direction by compression of a spring thereby moving an arm carrying a curtain door connected to said channel to a preselected position.

    Abstract translation: 一种安装在框架内的自闭合门铰链,其由具有双螺旋轨道的通道和所述螺旋轨道上的滚子组成,该通道在通过弹簧压缩的任一方向上移动之后返回预选位置 将连接到所述通道的携带帘门的手臂移动到预选位置。

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