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. 26, 2012
Filed:
Sep. 18, 2008
Masahiro Maeda, Yamatokooriyama, JP;
Masahiro Maeda, Yamatokooriyama, JP;
EXEDY Corporation, Osaka, JP;
Abstract
A lockup deviceof a torque converterhas a piston, a first plate, a second plate, a intermediate plate, a plurality of first springs, and a plurality of second springs. The intermediate plateis provided so as to be able to rotate with respect to the pistonwithin a specific angular range. The second springsare disposed more to the outside in the radial direction than the first springsso as to act in series with the first springsvia the intermediate plate, and are supported by the intermediate plateso as to be elastically deformable in the rotation direction. The driven platehas prongsthat can come into contact with the ends of the second springs, and is fixed to the outer peripheral part of the turbine