Tumbler wheel assembly shield for combination locks

Details Tumbler wheel assembly shield for combination locks Tumbler wheel assembly shield for combination locks

1985-03-01

1986-12-16

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70416, 70417, E05B 3708

Patent

active

046287159

ABSTRACT:
An improved device for preventing unauthorized opening of a combination lock of the type having a plurality of tumbler wheels in conjunction with a fence-lever-actuated bolt in which a tumbler wheel assembly shield having an opening to avoid a rearward expulsion of the dial shaft provides a barrier to unauthorized rearward or radial manipulation of the tumbler wheel assemblies by use of fishing hooks inserted and manipulated from the front of the lock.

REFERENCES:
patent: 3098376 (1963-07-01), Miller
patent: 3981167 (1967-09-01), Phillips
patent: 3991596 (1976-11-01), Gartner
patent: 4142388 (1979-03-01), Phillips et al.
patent: 4493199 (1985-01-01), Uyeda
Ser. No. 676,628, Uyeda, filed 11-30-84.

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