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:
Mar. 13, 2018
Filed:
Aug. 03, 2015
Hyundai Motor Company, Seoul, KR;
Hyung Min Kim, Seongnam-si, KR;
Kang Hoon Lee, Goyang-si, KR;
Jae Young Jeon, Osan-si, KR;
Won Seok Oh, Boryeong-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A return spring common structure of an automatic transmission may include a second plate set and a third plate set provided to be transversely movable in a retainer connected to a first rotating element, a second disc set and a third disc set configured to be rubbed against each plate set to connect between the first rotating element and a second rotating element, a second piston and a third piston configured to press each plate set to be rubbed against each disc set, and a common return spring configured to separate the second piston or the third piston from the second plate set or the third plate set.