Cylinder lock and key

Details Cylinder lock and key Cylinder lock and key

2006-10-31

2006-10-31

Barrett, Suzanne Dino (Department: 3676)

Locks

Operating mechanism

Key

C070S421000, C070S493000

Reissue Patent

active

RE039364

ABSTRACT:
An improved security cylinder lock and key for operating the cylinder lock are disclosed. The cylinder lock has conventional tumbler locking structure and a secondary locking bar that operates independently of the tumblers. The secondary locking bar prevents operation of the cylinder lock until a properly configured key is placed in the keyway of the cylinder lock.

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