Locking mechanism

Details Locking mechanism Locking mechanism

1979-09-17

1982-04-20

Wolfe, Robert L.

Locks

Operating mechanism

Combination and key

70 63, 70433, E05B 3700

Patent

active

043252400

ABSTRACT:
Locking mechanism has both a key setting multiple tumblers to unique positions and a combination wheel for each tumbler so that opening of the lock requires setting each wheel to correspond to its tumbler position. For a single lock, different keys require different combinations. A mechanical recorder records the wheel positions with each lock opening so that all combinations used for access can be read, if necessary.

REFERENCES:
patent: 1389380 (1921-08-01), Raab
patent: 1937523 (1933-12-01), Machinist
patent: 3416337 (1968-12-01), Hutchins

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