Closure fasteners – Bolts – Swinging
Patent
1975-10-06
1976-12-28
Moore, Richard E.
Closure fasteners
Bolts
Swinging
292DIG66, 292288, 292253, 292282, E05C 1908, E05C 1918
Patent
active
039997901
ABSTRACT:
A locked enclosure may be eventually automatically unlocked by a simple pin element in a hasp-lock which drops out of the hasp-lock in case of temperatures associated with a fire.
REFERENCES:
patent: 27524 (1860-03-01), Clark
patent: 2300161 (1942-10-01), Mather
patent: 3889314 (1975-06-01), McCabe
Cohen Jerry
Hieken Charles
Moore Richard E.
Nicoa Corporation
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