The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 12, 2003

Filed:

Dec. 17, 1999
Applicant:
Inventors:

Toshikazu Kiso, Yokohama, JP;

Takashi Yoshizawa, Yokohama, JP;

Assignee:

Alpha Corporation, Kanagawa-pref., JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R 2/502 ; G05G 5/00 ;
U.S. Cl.
CPC ...
B60R 2/502 ; G05G 5/00 ;
Abstract

A casing of a cylinder lock device comprises two pieces of a rear casing for receiving a rotor and a front casing for receiving a key cylinder and a housing . The key cylinder and a rotor axially move and rotate upon insertion of a proper key into the key cylinder and subsequent rotation of the key . In assemblage of the cylinder lock device, the rotor and key cylinder are connected by a joint means of non-circular section for their integral rotation, and the rotor is connected to the housing by a connecting means for their integral rotation and axial movement. The front casing can detachably be connected to the rear casing by the coupling means


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