Temperature responsive mechanism for controllably deadlocking a

Details Temperature responsive mechanism for controllably deadlocking a Temperature responsive mechanism for controllably deadlocking a

1994-12-05

1996-12-31

Boucher, Darnell M.

Closure fasteners

Bolts

Emergency operating means

292 21, 292DIG65, 292DIG66, E05B 6510

Patent

active

055886868

ABSTRACT:
A door locking and unlocking safety mechanism comprising a push mechanism actuator structure to be carried by the door; a single rod operatively connected with the push mechanism to be displaced by operation of the push mechanism; door latch mechanism operable to latch and unlatch the door in response to movement of the single rod; and temperature response blocking structure associated with the latch mechanism to block operation of the latch to unlatch the door, in response to a predetermined increase in ambient temperature.

REFERENCES:
patent: 1203116 (1916-10-01), Hurd
patent: 1544960 (1925-07-01), Watts
patent: 1638748 (1927-08-01), Santee
patent: 2458751 (1949-01-01), Voight
patent: 2889164 (1959-06-01), Clark
patent: 3281176 (1966-10-01), McKey
patent: 4083590 (1978-04-01), Folger
patent: 4130306 (1978-12-01), Brkic
patent: 4145900 (1979-03-01), Ohno
patent: 4183565 (1980-01-01), Allemann
patent: 4311329 (1982-01-01), Kral
patent: 4368905 (1983-01-01), Hirschbein
patent: 4458928 (1984-07-01), Hirschbein
patent: 4598939 (1986-07-01), Krupicka et al.
patent: 4714285 (1987-12-01), Langham
patent: 4726613 (1988-02-01), Foshee
patent: 4824150 (1989-04-01), Smith et al.
patent: 4838587 (1989-06-01), Choi
patent: 4906034 (1990-03-01), Verslycken
patent: 5464259 (1995-11-01), Cohrs et al.

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