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:
Jan. 09, 2018
Filed:
Sep. 16, 2014
Aisin Aw Co., Ltd., Anjo-shi, Aichi-ken, JP;
Aisin AW CO., LTD., Anjo, JP;
Abstract
A power transmission device including a transmission, a case housing the transmission, a brake including a plurality of frictional engaging plates and a piston for pressing the frictional engaging plates and configured to non-rotatably hold any one of rotation elements of the transmission stationary to the case, and a support fixed to the case and including a ring-shaped wall portion extending in a radial direction of the transmission, a drum portion extending from the ring-shaped wall portion in an axial direction of the transmission and non-rotatably supporting a part of the frictional engaging plates, and a boss portion extending from the ring-shaped wall portion toward a side opposite to the frictional engaging plates in the axial direction and rotatably supporting another rotation element of the power transmission device.