Changeable combination tumbler wheel type key lock

Details Changeable combination tumbler wheel type key lock Changeable combination tumbler wheel type key lock

1981-01-28

1983-03-01

Holko, Thomas J.

Locks

Operating mechanism

Key

70326, 70392, 70403, 70409, E05B 1514, E05B 1902, E05B 2900

Patent

active

043751598

ABSTRACT:
A tubular wheel type key lock operable by a key, comprising a lock case, a plurality of peripherally gated tumbler wheels supported for rotation about a common axis. Each tumbler wheel include center hub portions and rim portions encircling the hub portions. Supporting formations are interposed between successive adjacent pairs of tumbler wheels defining spacers to rotatably support the tumbler wheels about a common center axis. A control cam mechanism is rotatable by a key and has means to link with a fence lever for retracting a bolt at a predetermined position of the tumbler wheels.

REFERENCES:
patent: 3073145 (1963-01-01), Potzick
patent: 3373583 (1968-03-01), Parrock
patent: 3991596 (1976-11-01), Gartner
patent: 4142388 (1979-03-01), Phillips et al.

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