Wall safe lock

Details Wall safe lock Wall safe lock

1977-10-14

1979-12-04

Frazier, Roy D.

Locks

Special application

For closures

70288, 70298, E05B 6314, E05B 3716

Patent

active

041765338

ABSTRACT:
A multiple pushbutton permutation lock in which push pins equally retarded frictionally in their movement must be manually moved and held actuated in the right combination and pattern to permit a spring-urged slide bar to slide out of a rotationally located critically limiting slot on a hidden disk before manual actuation of the latch can be accomplished for opening the door of the safe.

REFERENCES:
patent: 656157 (1900-08-01), Alm
patent: 706152 (1902-08-01), Beebe
patent: 1092733 (1914-04-01), McCarthy
patent: 1430332 (1922-09-01), Smith
patent: 1499963 (1924-07-01), Beckman
patent: 1567811 (1925-12-01), Murphy

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