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:
Nov. 05, 2002
Filed:
Sep. 01, 1999
Hirofumi Okumura, Miyagi-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A rotary sensor comprises: a drive shaft having a flat portion at a forward end portion; a rotator provided with an engagement hole having a flat portion in which the forward end portion of the drive shaft is inserted; an elastic member having an elastic contact portion; and a rotation angle sensing member for detecting the rotation angle of the rotator; the rotator having a groove formed in parallel with the flat portion adjacently to the flat portion of the engagement hole, and a partition wall between the groove and the flat portion of the engagement hole; the partition wall having an open portion, through which the engagement hole communicates with the groove, and formed to a specific depth from the opening of the engagement hole; and the elastic contact portion of the elastic member inserted in the groove being projected to the engagement hole side through the open portion, into elastic contact with the flat portion of the drive shaft.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile