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.
Patent No.:
Date of Patent:
Jul. 03, 2012
Filed:
Jun. 06, 2011
Applicant:
Reiji Higuchi, Aichi, JP;
Inventor:
Reiji Higuchi, Aichi, JP;
Assignee:
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B 27/04 (2006.01); E05B 19/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A key includes a body that is plate-shaped to be inserted into a locking device, and a groove that is formed in the body and engages with a plurality of tumblers of the locking device to allow locking and unlocking operations. The groove includes, at a location corresponding to one tumbler of the locking device, a non-engagement part that does not engage with the one tumbler. The groove may include an inside groove, and the non-engagement part may include a notch portion that the inside groove is cut to reach an edge portion of the body.