Latch bolt assembly

Details Latch bolt assembly Latch bolt assembly

1977-02-17

1979-01-23

Frazier, Roy D.

Closure fasteners

Bolts

Emergency operating means

292 71, 292 74, 292192, 292DIG65, E05C 500, E05C 1502

Patent

active

041357469

ABSTRACT:
A bolt assembly for use with interior door latches or locks embodying a movable latch bolt and a relatively movable strike engaging latching element normally activated with the bolt to engage and disengage a jamb mounted strike in response to actuation of manual operator means having associated locking means operable to prevent operator actuation of the bolt and latching element for purposes of locking the door. In such locked state, emergency opening of the door may be accomplished with the assembly of this invention by imposing appropriate force on the latching element to effect strike disengaging movement thereof relative to the bolt.

REFERENCES:
patent: 126907 (1872-05-01), Skinner
patent: 294785 (1884-03-01), Jackson
patent: 326626 (1885-09-01), Chubb et al.
patent: 344722 (1886-06-01), Clark
patent: 391911 (1888-10-01), McIntire
patent: 490517 (1893-01-01), Steuerwald et al.
patent: 2288145 (1942-06-01), Siegfus
patent: 2510326 (1950-06-01), Anderson
patent: 2581606 (1952-01-01), Seaman et al.
patent: 2586900 (1952-02-01), Alderman
patent: 2686071 (1954-08-01), Saxton et al.
patent: 3107112 (1963-10-01), Schlage
patent: 3124378 (1964-03-01), Jackson
patent: 3951442 (1976-04-01), Schlage

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