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. 28, 2011
Filed:
Dec. 12, 2007
Applicants:
Yoshikazu Nakamura, Toyota, JP;
Yuichi Nishida, Aichi-gun, JP;
Inventors:
Yoshikazu Nakamura, Toyota, JP;
Yuichi Nishida, Aichi-gun, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
Abstract
In a planetary gearset and an automatic transmission according to the invention, a pinion shaft on which a pinion gear is rotatably supported includes a bearing portion on which a bearing is attached and a polygonal portion having a polygonal outer periphery. An axial oil passage and radial oil passages that communicate with the axial oil passage are formed in the polygonal portion, and the inlet of each radial oil passage formed in the pinion gear faces the polygonal portion.