Binary coded key and latch-actuator

Details Binary coded key and latch-actuator Binary coded key and latch-actuator

1985-03-22

1989-11-07

Wolfe, Robert L.

Locks

Operating mechanism

Key

70404, 70409, E05B 2708

Patent

active

048783676

ABSTRACT:
A tubular key and mating latch-actuator are provided in which the key has inner circumferential recesses and the latch-actuator has a stud having projections therefrom, the recesses and stud projections being arranged according to a binary-code so that each key of a series is unique.

REFERENCES:
patent: 2823725 (1958-02-01), Trince
patent: 3519979 (1970-07-01), Bodenstein
patent: 3553988 (1971-01-01), Fitzgerald
patent: 3661001 (1972-05-01), Glass

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