Lock cylinder cover with key engagement release

Details Lock cylinder cover with key engagement release Lock cylinder cover with key engagement release

1975-03-17

1976-01-06

Wolfe, Robert L.

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

E05B 1718

Patent

active

039303918

ABSTRACT:
A lock cylinder cover arrangement including a spring detent secured at one end thereof to the underside of a cover base or escutcheon, wherein the spring detent has a stop surface and a cam surface formed adjacent the other end thereof, the stop surface serving to hold open a cover pivotally mounted on the escutcheon, and the cam surface serving to be cammed downwardly toward the lock cylinder by an edge of the key-head to thereby release the stop surface from the cover and permit the latter to be biased closed upon withdrawal of the key from the lock cylinder.

REFERENCES:
patent: 2213814 (1940-09-01), Jacobi
patent: 2343605 (1944-03-01), Wise
patent: 2400229 (1946-05-01), Freeman
patent: 2454925 (1948-11-01), Jacobi
patent: 2602319 (1952-07-01), Jacobi

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