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:
Sep. 25, 2012
Filed:
Apr. 03, 2008
Applicant:
Michael Obergasser, Friedrichshafen, DE;
Inventor:
Michael Obergasser, Friedrichshafen, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 25/0638 (2006.01);
U.S. Cl.
CPC ...
Abstract
An arrangement of a disk spring () at a piston () of a shifting element () in which the fingers of the disk spring () protrude through crests in the housing () and abut against a sheet metal sleeve () which is held in the housing () of the shifting element (). The disk spring () is configured as a closed ring and the outer diameter () of the disk spring () abuts against the piston () of the shifting element ().