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:
Aug. 28, 2012
Filed:
Sep. 20, 2006
Masaru Iwahashi, Niigata, JP;
Atsushi Kondo, Niigata, JP;
Masaru Iwahashi, Niigata, JP;
Atsushi Kondo, Niigata, JP;
Nippon Seiki Co., Ltd., Niigata, JP;
Abstract
A rotation detector that can be assembled into a hub of a wheel without breakage of an object to be detected. The rotation detector has a housing () having an insertion section () in which an axle (S) is inserted and that is placed between a hub () of a front wheel () and a front fork, a magnet () placed in the housing () and generating a magnetic field, and a magnetism detection element () provided in the housing () so as to be able to detect a change in the magnetic field and detecting the change in the magnetic field involved in the rotation of the object () to be detected. The object () to be detected is formed of a different magnetic material from the hub () and has a portion () to be detected that rotates in synchronous with the hub ().