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:
Aug. 09, 2016
Filed:
Dec. 07, 2011
Applicant:
Philip George, Wooster, OH (US);
Inventor:
Philip George, Wooster, OH (US);
Assignee:
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 21/00 (2006.01); F16D 39/00 (2006.01); F16J 1/00 (2006.01); F15B 15/14 (2006.01); F16D 25/08 (2006.01); F16D 25/12 (2006.01);
U.S. Cl.
CPC ...
F16J 1/008 (2013.01); F15B 15/1452 (2013.01); F16D 25/082 (2013.01); F16D 25/12 (2013.01); F16D 2300/08 (2013.01);
Abstract
A piston assembly, comprising: a back plate with an axially extending extrusion continuously circumferentially disposed about the back plate; a piston including an indent circumferentially disposed proximate an outer circumference for the piston plate; and a sealing element at least partially disposed in the indent. The piston is fixed to the back plate with a plurality of extruded rivets such that the extrusion forms a liquid-tight seal against a surface of the piston. The indent is open in an axial direction facing the back plate. The extrusion is radially inward of the plurality of extruded rivets.