Closure fasteners – Bolts – Emergency operating means
Patent
1979-11-02
1982-01-19
Moore, Richard E.
Closure fasteners
Bolts
Emergency operating means
292DIG66, 49 1, 49 7, E05C 1502
Patent
active
043113290
ABSTRACT:
Push rod of panic-type latching device contains a fusible section which melts in the event of a hot fire so that the temperature will not cause elongation of push rod to disengage upper door latch.
REFERENCES:
patent: 2772905 (1956-12-01), Dusing
patent: 3705739 (1972-12-01), Adler
patent: 4099753 (1978-07-01), Gwozdz et al.
patent: 4200954 (1980-05-01), McCabe
Hoopes Dallett
Moore Richard E.
Scovill Inc.
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