Cylinder lock

Details Cylinder lock Cylinder lock

2005-06-24

2008-08-05

Barrett, Suzanne D (Department: 3673)

Locks

Operating mechanism

Key

C070S361000, C070S369000

Reexamination Certificate

active

07406847

ABSTRACT:
A cylinder lock capable of normal unlocking operation by an authorized key to a locking mechanism which has been illegally operated by an unauthorized key or the like, the cylinder lock comprising an engaging portion that engages a rotor in the rotational direction only when the cylinder moves toward the unlocking member is disposed to a cylinder to engage the rotor and the cylinder thereby rotating the rotor upon subsequent insertion of an authorized key to connect the rotor and the connection member thereby enabling normal unlocking operation.

REFERENCES:
patent: 4759204 (1988-07-01), Neyret
patent: 5263348 (1993-11-01), Wittwer
patent: 5265453 (1993-11-01), Konii et al.
patent: 5640864 (1997-06-01), Miyamoto
patent: 5722275 (1998-03-01), Price et al.
patent: 5732580 (1998-03-01), Garnault et al.
patent: 6098434 (2000-08-01), Liou
patent: 6684672 (2004-02-01), Hermansson et al.
patent: 6782725 (2004-08-01), Linares
patent: 6978645 (2005-12-01), Shimon
patent: 7126066 (2006-10-01), Corcino et al.
patent: 2001-262875 (2001-09-01), None

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