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公开(公告)号:US4831688A
公开(公告)日:1989-05-23
申请号:US189391
申请日:1988-05-02
Applicant: James M. Deininger
Inventor: James M. Deininger
CPC classification number: E05F5/04 , E05F5/00 , E05F5/06 , E05D11/00 , E05F2005/046 , E05Y2201/224 , E05Y2600/52 , E05Y2900/132 , Y10S16/17 , Y10S16/21 , Y10S292/17 , Y10T16/54 , Y10T16/551 , Y10T16/61 , Y10T292/34
Abstract: A mechanism which prevents a door from closing by blocking the door hinge from closing.
Abstract translation: 通过阻止门铰链关闭来防止门关闭的机构。