Closure fasteners – Bolt guards
Patent
1977-02-04
1979-11-20
Moore, Richard E.
Closure fasteners
Bolt guards
292340, E05C 2100
Patent
active
041748620
ABSTRACT:
The protector includes a generally U-shaped main body portion engageable with the major circumference of one or more door frame support members. A perpendicular flange portion projects from one terminal portion of the main body portion for engagement with a portion of the door frame which will be subjected to splitting forces during an attempt at forcible entry. A coplanar extension of the other terminal portion of the main body portion forms an anchor. The protector thus can serve as a combination anchor-door frame protector, or as a door frame protector alone. In the latter instance, the extension and adjacent segment of the main body portion may be eliminated.
REFERENCES:
patent: 1377458 (1921-05-01), Block
patent: 2726112 (1955-12-01), Conhogen
patent: 3764173 (1973-10-01), Griffith
patent: 3888530 (1975-06-01), Fabrici
patent: 3918207 (1975-11-01), Aliotta
patent: 3963269 (1976-06-01), Rosenberg
patent: 4005890 (1977-02-01), Murch
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