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:
Oct. 07, 2014
Filed:
Jan. 13, 2011
Yukihiko Ideshio, Nisshin, JP;
Terufumi Miyazaki, Toyota, JP;
Toshihiko Kamiya, Toyota, JP;
Shingo Eto, Gamagori, JP;
Hironori Asaoka, Toyota, JP;
Tetsuya Yamaguchi, Anjo, JP;
Tomohide Suzuki, Kariya, JP;
Yukihiko Ideshio, Nisshin, JP;
Terufumi Miyazaki, Toyota, JP;
Toshihiko Kamiya, Toyota, JP;
Shingo Eto, Gamagori, JP;
Hironori Asaoka, Toyota, JP;
Tetsuya Yamaguchi, Anjo, JP;
Tomohide Suzuki, Kariya, JP;
Toyota Jidosha Kabushiki Kaisha, Tokyo, JP;
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A power transmission device has a rigid body that includes a contact portion coming into contact with the first or second friction member and that moves the contact portion from a position of contact with the first or second friction member to a position of no contact with the first and second friction members, an elastic body that applies to the rigid body a force moving the contact portion to a position of contact with the first or second friction member, a first pushing mechanism that applies to the rigid body a pressure of liquid moving the contact portion to a position of contact with the first or second friction member, and a second pushing mechanism that applies to the rigid body a pressure of liquid moving the contact portion to a position of no contact with the first and second friction members.