发明名称 |
Hinge bolt set |
摘要 |
A hinge bolt set is disclosed for improving security of hinged doors and the like, comprising a circular metal rod (1) adapted to be located in an edge face of a door (D) adajcent to but spaced from a hinge (H) and a synthetic resinous keep (7) adapted to be located in a opposing face of a door jamb (J), the keep having a tapered cavity (9) therein to receive a projecting end of the rod (1), which cavity terminates in an arcuate surface 13 to receive the bolt (1). The rod may be held in place by a knurled portion (3) and the keep with screws (17).
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申请公布号 |
US4640052(A) |
申请公布日期 |
1987.02.03 |
申请号 |
US19860832842 |
申请日期 |
1986.02.24 |
申请人 |
NOUVEAUX SECURITY PROD LTD |
发明人 |
ZEBEDEE, ALAN R.;HUTCHINS, DEREK R. |
分类号 |
E05D11/00;(IPC1-7):E05D11/10 |
主分类号 |
E05D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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