Closure fasteners – Bolts – Emergency operating means
Patent
1988-02-29
1989-04-25
Brown, Peter R.
Closure fasteners
Bolts
Emergency operating means
292279, 292DIG66, E05B 6510, E05C 336
Patent
active
048241504
ABSTRACT:
A door retention assembly locks a door in closed position in response to high temperature as during a fire, the door element having an edge portion closable into adjacent relation to an edge portion defined by a header element, and there being a strike carried by one of the elements. The assembly includes:
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Choi Mansam
Smith Gregg L.
Adams Rite Manufacturing Company
Brown Peter R.
Haefliger William W.
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