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:
Oct. 18, 2011
Filed:
Mar. 08, 2006
Hirofumi Watanabe, Yamanashi, JP;
Takuya Kakumae, Yamanashi, JP;
Kazuhito Yokomori, Yamanashi, JP;
Nobuo Sugawara, Yamanashi, JP;
Hirofumi Watanabe, Yamanashi, JP;
Takuya Kakumae, Yamanashi, JP;
Kazuhito Yokomori, Yamanashi, JP;
Nobuo Sugawara, Yamanashi, JP;
Mitsu Kinzoku Act Corporation, Yokohama-shi, JP;
Abstract
In a door opening/closing device having a motor base and a sensor case, a rotation sensor is provided. The rotation sensor includes a magnetic member provided adjacent an end of a rotation shaft and a detecting element that is arranged so as to detect a magnetic flux that is generated from the magnetic member in a direction crossing a magnetic flux that is generated from an electromagnetic clutch arranged around the rotation shaft. The motor base is attached to the sensor case such that the end of the rotation shaft extends outside of the motor base and the rotation sensor is arranged adjacent the end of the rotation shaft.