Key and rotary lock cylinder for safety lock

Details Key and rotary lock cylinder for safety lock Key and rotary lock cylinder for safety lock

1992-10-01

1995-08-01

Cuomo, Peter M.

Locks

Operating mechanism

Key

70378, 70493, 70398, 70409, E05B 2706

Patent

active

054371767

ABSTRACT:
An additional tumbler (10) is disposed in the rotary lock cylinder, which is aligned by means of a control element (19) disposed in the key (16). A blocking element (6) is provided in the stator (2) at a distance from this tumbler (10) which, in a set rotational position of the rotor (3), radially displaces the control element (19) with the core pin (13) of the additional tumbler (10) against a restoring force.

REFERENCES:
patent: 1735868 (1929-11-01), Klingel
patent: 3742744 (1973-07-01), Lumme
patent: 3802230 (1974-04-01), Tickett
patent: 4213316 (1980-07-01), Tietz
patent: 4434636 (1984-09-01), Prunbauer
patent: 4667495 (1987-05-01), Girard et al.
patent: 4823575 (1989-04-01), Florian et al.
patent: 4947662 (1990-08-01), Imedio

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