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:
May. 01, 2012
Filed:
Apr. 15, 2008
Applicants:
Junji Ando, Kariya, JP;
Naoyuki Sakai, Anjo, JP;
Hideyuki Saito, Kariya, JP;
Yozo Yamashita, Higashimatsuyama, JP;
Inventors:
Junji Ando, Kariya, JP;
Naoyuki Sakai, Anjo, JP;
Hideyuki Saito, Kariya, JP;
Yozo Yamashita, Higashimatsuyama, JP;
Assignee:
JTEKT Corporation, Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
Abstract
A plurality of microscopic grooves are created on the surface of the teeth of planetary gears, and thus, irregular unevenness is created. This irregular unevenness includes a plurality of first microscopic grooves which function as lubricant grooves and a plurality of second microscopic grooves which are shallower than the first microscopic grooves.