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:
Mar. 27, 2012
Filed:
Dec. 23, 2008
Toru Souda, Okazaki, JP;
Akihito Hongoya, Okazaki, JP;
Satoru Kasuya, Hozu, JP;
Takahiro Torii, Hekinan, JP;
Tsuyoshi Yamaguchi, Anjo, JP;
Takayuki Kawakami, Toyota, JP;
Yoshiharu Harada, Toyota, JP;
Toru Souda, Okazaki, JP;
Akihito Hongoya, Okazaki, JP;
Satoru Kasuya, Hozu, JP;
Takahiro Torii, Hekinan, JP;
Tsuyoshi Yamaguchi, Anjo, JP;
Takayuki Kawakami, Toyota, JP;
Yoshiharu Harada, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An automatic transmission that includes an input shaft; an output shaft; and a speed change mechanism portion that shifts a rotation of the input shaft to be transmitted to the output shaft, wherein: the output shaft has a spline formed in a range in which the output shaft fits in a power transmission shaft included in a vehicle, and n-stage (n is an integer of at least 2) chamfering is performed on a larger diameter portion of the spline.