Exit device

Details Exit device Exit device

1984-06-08

1986-07-08

Wolfe, Robert L.

Closure fasteners

Bolts

Emergency operating means

292210, 292222, 292DIG66, E05C 1502

Patent

active

045989397

ABSTRACT:
Exit device has auxiliary bolt which when held in by door strike permits a blocking leg to prevent unauthorized forced retraction of main latch bolt. Normal operation of device by panic bar pivots blocking leg out of the way and then retracts main latch bolt.

REFERENCES:
patent: 3337250 (1967-08-01), Russell et al.
patent: 3345099 (1967-10-01), Paul et al.
patent: 3359027 (1967-12-01), Schlage et al.
patent: 3705739 (1972-12-01), Adler
patent: 3877262 (1975-04-01), Williams
patent: 4183565 (1980-01-01), Allemann

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