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:
Apr. 09, 2013
Filed:
Jan. 13, 2009
Takumi Tamezane, Aichi, JP;
Toshiharu Katagiri, Aichi, JP;
Takumi Tamezane, Aichi, JP;
Toshiharu Katagiri, Aichi, JP;
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Abstract
A key system including a mechanical key and a lock apparatus into which the mechanical key is insertable. The mechanical key includes a key code pattern having recessed portions and non-recessed portions. The mechanical key is operated in key manipulation directions. The lock apparatus includes tumblers, each of which is associated with one of the recessed and non-recessed portions. The lock apparatus mechanically verifies the key code pattern when the mechanical key is inserted therein based on whether the tumblers are aligned with the associated recessed and non-recessed portions. The recessed and non-recessed portions in the key code pattern are deviated from the key manipulation directions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile