Locks – Operating mechanism – Key
Patent
1993-01-19
1994-07-05
Cuomo, Peter M.
Locks
Operating mechanism
Key
33540, 81159, E05B 1920
Patent
active
053256913
ABSTRACT:
The present invention relates to lock picking and decoding tools and a method of using the same. The lock decoding tools comprise a torquing tool, a picking tool, and decoding tools. The method comprises using the torquing tool to bias the locking bar out of a notch in the inner wall of the cylinder housing, picking the tumblers using the picking tool, turning the cylinder lock slightly so as to permit the torquing tool to be removed, turning the lock cylinder to the "ON" position, and decoding the cylinder lock using the decoding tools.
REFERENCES:
patent: 1991151 (1935-02-01), Hansen
patent: 2338768 (1944-01-01), Johnston
patent: 2720032 (1955-10-01), Harwell
patent: 2791840 (1957-05-01), Harwell
patent: 3735496 (1973-05-01), Lee
patent: 3827151 (1974-08-01), Naill
patent: 4185482 (1980-01-01), Nail
patent: 4667494 (1987-05-01), Joosten
patent: 4680870 (1987-07-01), McConnell
Boucher Darnell M.
Cuomo Peter M.
HSL Marketing, Inc.
Litman Richard C.
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