Key-operated locks

Details Key-operated locks Key-operated locks

1979-12-21

1982-11-23

Wolfe, Robert L.

Locks

Operating mechanism

Key

70382, E05B 2100, E05B 2500

Patent

active

043598854

ABSTRACT:
A lock particularly for safe doors, of the multiple rotatable tumbler type, but adapted to be operated by a key, the "combination" of the lock being set by the key proper and being alterable at will by changing the relative arrangement of its bits.
A key with changeable bits for use with the said lock is also described.

REFERENCES:
patent: 2301755 (1942-11-01), Seiffert
patent: 3991596 (1976-11-01), Gartner

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