Hospital latch

Details Hospital latch Hospital latch

1975-11-10

1977-02-15

Foss, J. Franklin

Closure fasteners

Bolts

Sliding

49 7, 70 92, 292 92, 292DIG65, 292DIG66, E05F 1520

Patent

active

040079546

ABSTRACT:
A latch bolt mechanism of the push-pull type which includes a stop lever maintained normally in an inactive position by means of a fusible pin, the lever being adapted to drop into a position where it blocks the movement of the latch-withdrawing mechanism when the pin melts at a predetermined temperature due to a fire condition.

REFERENCES:
patent: 1721162 (1929-07-01), Moore
patent: 1847686 (1932-03-01), Bienaime
patent: 2079895 (1937-05-01), Brooks
patent: 2201444 (1940-05-01), Marsh
patent: 3477754 (1969-11-01), Check
patent: 3811717 (1974-05-01), Floyd

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