Single lever, double changeable safe deposit lock

Details Single lever, double changeable safe deposit lock Single lever, double changeable safe deposit lock

1983-11-07

1986-04-08

Wolfe, Robert L.

Locks

Operating mechanism

Key

70339, 70355, E05B 2500

Patent

active

045804249

ABSTRACT:
A double changeable tumbler lever type key lock for safe deposit boxes and the like having a slidable bolt plate carrying a stack of fence members, and a stack of tumbler levers occupying positions in the locked condition to bar retraction of the fence members and bolt plate from locking position. The tumbler levers each have first and second lift edge portions and are movable responsive to a guard key and a renter's key engageable with the pair of lift edge portions of each tumbler lever to position the levers to permit retraction of the bolt to unlocking position. Mounting structure on the bolt plate supports the fence members of the stack for guided adjustment to positions corresponding to a predetermined range of key shapes and for selectively clamping the fence members in their adjusted position.

REFERENCES:
patent: 701231 (1902-05-01), Taylor
patent: 953641 (1910-03-01), Prindle
patent: 960421 (1910-06-01), Sibley
patent: 972241 (1910-11-01), Prindle
patent: 3127759 (1964-04-01), Ellis et al.
patent: 3837196 (1974-09-01), Gartner et al.
patent: 3983728 (1976-10-01), Phillips
patent: 4462230 (1984-07-01), Evans

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