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:
Jul. 19, 2011
Filed:
Jan. 11, 2007
Hiroyoshi Ito, Kuwana, JP;
Seiichi Takada, Kuwana, JP;
Hiroyoshi Ito, Kuwana, JP;
Seiichi Takada, Kuwana, JP;
NTN Corporation, Osaka, JP;
Abstract
The object is to produce a magnetic encoder having a large outer diameter at a low cost, provide a sensor case which is compact in size and can be easily mounted and dismounted with a sensor element received therein, and to provide a double row rolling bearing with a preload application device and a rotational speed sensor which comprises a small number of parts and thus can be assembled easily. A magnetic memberof the magnetic encoderis made of a magnetic material bound by rubber. The magnetic memberis bonded to an annular presser member, which also serves as a metal core, by an adhesive, thus eliminating the need for a mold and other facilities for vulcanization bonding. This makes it possible to manufacture a magnetic encoderwith a large outer diameter at a low cost.