Cylinder lock

Details Cylinder lock Cylinder lock

2005-11-29

2005-11-29

Barrett, Suzanne Dino (Department: 3676)

Locks

Operating mechanism

Key

C070S383000, C070S367000, C070S369000

Reexamination Certificate

active

06968717

ABSTRACT:
A cylinder lock utilizing an unlocking code to set at any desired time after the cylinder lock has been assembled and which, before the setting of the unlocking code, allows the rotor to be rotated for the purpose of inproving the efficiency of the automotive assembly work. The cylinder lock includes a rotor in which tumblers are installed, is rotatably inserted in a cylinder case, the tumblers following a code forming portion of an inserted key plate to form a lock-side unlocking code that matches a key-side unlocking code defined by the code forming portion. The tumblers are put in a state where the lock-side unlocking code is formed, in response to an identification portion formed in the key plate.

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patent: 2002/0116968 (2002-08-01), Shvarts
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patent: 195 44 840 (1997-06-01), None
patent: WO 98/40589 (1998-09-01), None
patent: 9-235921 (2001-09-01), None
Japanese Patent Abstract, Publication No.: 09235921, Publication Date: Sep. 9, 1997.
Japanese Patent Abstract, Publication No.: 09235922, Publication Date: Sep. 9, 1997.

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