Door closing device
    1.
    发明授权
    Door closing device 失效
    关门装置

    公开(公告)号:US3177517A

    公开(公告)日:1965-04-13

    申请号:US7762760

    申请日:1960-12-22

    Inventor: HERMANN EGLAUF

    Abstract: 940,311. Chains. E. GROSS, and P. REBMANN. July 17, 1961 [July 16, 1960], No. 25800/61. Heading B8A. [Also in Divisions E2 and F2] A chain comprises alternate links 1 of H- section pivotally interconnected by plate-like links 2 bevelled at 2a, so that it can bend between a first limit position in which it is substantially straight and a second limit position in which it has a definite curvature defined by the engagement of the bevelled surfaces with the connecting webs 1b of the links 1.

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