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. 11, 1998
Filed:
Apr. 30, 1996
Hideo Ouchi, Fujisawa, JP;
Kouichi Morita, Fujisawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
A rolling bearing unit with rotating speed sensor comprising a stationary ring having a first raceway, a rotatable ring placed concentric with the stationary ring and having a second raceway, a plurality of rolling elements provided between the first and second raceways, a magnetic tone wheel supported by the rotating ring to rotate together with the rotating ring and having cutouts for an encoder portion, and a sensor supported by the stationary ring to be opposed to the tone wheel and having a detecting portion opposed to the encoder portion with a small gap therebetween, wherein the cutouts are produced through a punching stroke from the side of the magnetic metal plate which is not faced to the small gap to the side of the magnetic metal plate which is faced to the small gap in the assemble state.