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:
Mar. 17, 2009
Filed:
Feb. 20, 2007
Kenji Shimazu, Moriyama, JP;
Shunkichi Sasaki, Osaka, JP;
Hidemitsu Takenaka, Otsu, JP;
Tetsuya Fukumoto, Kusatsu, JP;
Shinya Yamamoto, Kusatsu, JP;
Shinya Watanabe, Kusatsu, JP;
Kenji Shimazu, Moriyama, JP;
Shunkichi Sasaki, Osaka, JP;
Hidemitsu Takenaka, Otsu, JP;
Tetsuya Fukumoto, Kusatsu, JP;
Shinya Yamamoto, Kusatsu, JP;
Shinya Watanabe, Kusatsu, JP;
OMRON Corporation, Kyoto, JP;
Abstract
A key switch has a switch part and an operating part. The switch part is activated to switch contact points as an operating key is inserted. The operating part includes a driver cam that rotates as it is pushed by the operating key and to activate the switch part and a plurality of lock cams configured to directly lock the driver cam in a normal condition when the operating key is pulled out of the operating part and to rotate as it is pushed by the operating key so as to release the driver cam from its locked condition. The key switch may further include lock cam holder for holding the lock cams in the normal condition when the operating key is pulled out.