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. 21, 2009
Filed:
Jul. 06, 2005
Takanori Kurokawa, Nara, JP;
Hideo Matsubara, Nara, JP;
Akihiko Shiina, Nara, JP;
Jtekt Corporation, Chuo-ku, Osaka, JP;
Abstract
A worm wheel includes an annular metallic core portion and a resin rim portion which is fitted on an outer circumference of the core portion. The rim portion includes an annular main body portion which covers the outer circumference of the core portion and in which a toothed portion is formed on an outer circumference thereof and a pair of annular flanges which are made to extend from the main body portion in a radially inward direction X to thereby cover, respectively, outer edge portions of first and second sides of the core portion. The first annular flangeengages with a recess formed in the corresponding side of the core portion. A bottom portion of the recess includes an undercut portion in relation to a radially outward direction.