Cylinder lock with an axially moving sidebar

Details Cylinder lock with an axially moving sidebar Cylinder lock with an axially moving sidebar

2008-05-27

2008-05-27

Gall, Lloyd A. (Department: 3673)

Locks

Operating mechanism

Key

C070S409000

Reexamination Certificate

active

07377146

ABSTRACT:
A cylinder lock plug that utilizes an axially moving sidebar. The sidebar is displaced axially by a key positioning mechanism on the blade of a uniquely configured key. Also on the key are unique short grooves on the lateral sides of the key blade running substantially perpendicular to the longitudinal axis of the key blade. The short grooves are configured complementary to an inner surface of the axially moving sidebar. Only the properly configured key can receive the sidebar as the key is turned to rotate the cylinder lock plug and the short grooves receive the inner surface. The invention is meant to be used with additional locking mechanisms, such as, for example, tumblers.

REFERENCES:
patent: 5615566 (1997-04-01), Brandt
patent: 5797287 (1998-08-01), Prunbauer
patent: 6477875 (2002-11-01), Field et al.
patent: 6945082 (2005-09-01), Field et al.
patent: 7213429 (2007-05-01), Armstrong et al.
patent: 2005/0155399 (2005-07-01), Armstrong et al.
patent: 2005/0172687 (2005-08-01), Segien et al.
patent: 2828343 (1980-01-01), None
patent: WO 93/09317 (1993-05-01), None

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