Automatic door closer
    14.
    发明授权
    Automatic door closer 失效
    自动门关闭

    公开(公告)号:US4067084A

    公开(公告)日:1978-01-10

    申请号:US772969

    申请日:1977-02-28

    Applicant: Horst Tillmann

    Inventor: Horst Tillmann

    Abstract: An automatic door closer includes a closer shaft to which the door to be closed is connected for turning movement therewith about the axis thereof, and spring means biasing said closure shaft to a position in which the door is closed. The door closer includes further means for releasably holding the closer shaft and the door connected thereto in any adjusted position when the door is opened beyond a predetermined angle.

    Abstract translation: 一个自动门关闭器包括一个较近的轴,关闭的门被连接到该较近的轴上,用于使其围绕其轴线转动,而弹簧装置将所述闭合轴偏压到门被关闭的位置。 门关闭器包括另外的装置,用于当门打开超过预定角度时可释放地将更靠近的轴和连接到其上的门保持在任何调节位置。

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