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:
Jun. 23, 2015
Filed:
Oct. 04, 2013
Applicant:
Jtekt Corporation, Osaka-shi, Osaka, JP;
Inventors:
Yuji Wakugawa, Kashihara, JP;
Ryuji Nakata, Osaka, JP;
Atsuhiro Yoshida, Nara, JP;
Wataru Yamada, Kashiwara, JP;
Jun Hamakita, Kashihara, JP;
Hideyuki Honkado, Shiki-gun, JP;
Assignee:
JTEKT CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); B62D 3/04 (2006.01); F16H 1/16 (2006.01); F16H 57/04 (2010.01); F16H 57/039 (2012.01);
U.S. Cl.
CPC ...
B62D 3/04 (2013.01); F16H 1/16 (2013.01); Y10T 74/19828 (2015.01); F16H 57/0498 (2013.01); F16H 57/0464 (2013.01); B62D 5/0409 (2013.01); F16H 57/039 (2013.01);
Abstract
A speed reducer for an electric power steering system includes a worm, a worm wheel, and a housing. Only a meshing section where the worm and the worm wheel mesh with each other and a space between the worm wheel and the housing are filled with grease. The grease in the space is in contact with both tooth surfaces of the worm wheel and an inner peripheral face of the housing, the inner peripheral face facing the worm wheel.