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:
Apr. 17, 2018
Filed:
Nov. 20, 2013
Applicant:
Exedy Corporation, Neyagawa-shi, Osaka, JP;
Inventor:
Naoki Tomiyama, Neyagawa, JP;
Assignee:
EXEDY Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 15/123 (2006.01); F16F 15/133 (2006.01); F16H 45/02 (2006.01); F16F 15/134 (2006.01);
U.S. Cl.
CPC ...
F16F 15/1338 (2013.01); F16F 15/12346 (2013.01); F16F 15/12373 (2013.01); F16F 15/13461 (2013.01); F16F 15/13492 (2013.01); F16H 45/02 (2013.01);
Abstract
A lock-up device includes a drive plate, a driven plate, first torsion springs, second torsion springs, a spring holder and a rotation restricting unit. The rotation restricting unit is configured to restrict and bring the first torsion spring in each group and the second torsion spring in each group to a deactivated state by at least either of engagement of the spring holder with the driven plate or engagement of the drive plate with the spring holder.