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:
Sep. 23, 1997
Filed:
Mar. 15, 1996
NSK Ltd., , JP;
Abstract
A rolling bearing unit with rotating speed sensor comprising a stationary outer ring member having an outer ring raceway on an inner peripheral face, thereof, a rotatable inner ring member having an inner ring raceway on an outer peripheral face thereof, a plurality of rolling elements provided between the outer ring raceway and the inner ring raceway, an annular tone wheel secured to the end portion of the inner ring member and having a cylindrical peripheral portion formed with rotating cutouts circumferentially with a uniform space therebetween, a cover comprising a synthetic resin block and a metal portion and having a cylindrical engaging portion fixed to the open end portion of the outer ring member by engaging the engaging portion with the inner peripheral face of the outer ring member, an annular sensor embedded in the resin block having a peripheral face such that the peripheral face thereof opposes partly the peripheral portion of the tone wheel, and a guide formed on at least one of the tone wheel and the sensor to make the tone wheel and sensor overlapped radially with each other.