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. 14, 2009
Filed:
May. 17, 2006
Yuichi Seki, Nishio, JP;
Takuya Ishii, Anjo, JP;
Toshihiko Aoki, Anjo, JP;
Minoru Todo, Takahama, JP;
Kazutoshi Nozaki, Togo, JP;
Akiharu Abe, Toyota, JP;
Atsushi Honda, Seto, JP;
Masafumi Kinoshita, Toyota, JP;
Hirofumi Ota, Toyota, JP;
Yuichi Seki, Nishio, JP;
Takuya Ishii, Anjo, JP;
Toshihiko Aoki, Anjo, JP;
Minoru Todo, Takahama, JP;
Kazutoshi Nozaki, Togo, JP;
Akiharu Abe, Toyota, JP;
Atsushi Honda, Seto, JP;
Masafumi Kinoshita, Toyota, JP;
Hirofumi Ota, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A connection structure for an automatic transmission includes a drum member that includes a base portion, an outer diameter portion that extends from an outer diameter side of the base portion in an axial direction, and a collar portion that extends from an inner diameter side of the base portion in the axial direction; a base member that includes a raised portion, an outer diameter portion that extends from an outer diameter side of the raised portion in the axial direction, a boss portion that extends from an inner diameter side of the raised portion in the axial direction, and a connection portion that extends from an end of the outer diameter portion; and a ring gear of a planetary gear that includes a spline groove and a circular concave groove on an end portion of an inner peripheral face.