Locks – Operating mechanism – Key
Patent
1982-02-05
1983-12-06
Wolfe, Robert L.
Locks
Operating mechanism
Key
70377, 70409, 70411, 70324, E05B 2902
Patent
active
044185553
ABSTRACT:
A cylindrical type lock has a rotatable cylinder within a lock body wherein the cylinder has a stacked array of a plurality of nested and alternating tumbler wheels and spacer discs mounted in a subassembly with the cylinder to the lock body, the spacer discs are held stationary by tab projections which extend radially outwardly into a longitudinal groove in the cylinder into which they slip fit on assembly along with the tumbler wheels in stacked array into the cylinder, the wheels and discs being formed with identical annular projections on one side and mating annular recesses on opposite sides so that the wheels and discs nest in interfitting relation in the stacked array within the cylinder to be operated by an associated key which has a plurality of spaced segmented disc-like coded webs and blank webs which are adapted to align with the tumbler wheels and spacer discs respectively when the key is inserted into the lock and rotated.
REFERENCES:
patent: 1228445 (1917-05-01), Janes
patent: 2356891 (1944-08-01), Seiffert
patent: 3367156 (1968-02-01), Johnstone
patent: 3668909 (1972-06-01), Roberts
patent: 3848442 (1974-11-01), Mertanen
patent: 4008588 (1977-02-01), Miller
patent: 4062211 (1977-12-01), Miller
patent: 4083212 (1978-04-01), Proefrock
patent: 4359885 (1982-11-01), Goldman
patent: 4375159 (1983-03-01), Bechtiger
La Gard, Inc.
Wolfe Robert L.
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