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.

Date of Patent:
Jul. 02, 2013

Filed:

May. 31, 2008
Applicants:

Emilio Fabricius, Oftersheim, DE;

Volker Reiners, Friedeburg, DE;

Inventors:

Emilio Fabricius, Oftersheim, DE;

Volker Reiners, Friedeburg, DE;

Assignee:

BorgWarner Inc., Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 69/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A friction part for a frictionally acting device comprising an annular friction surface which has an inner edge and an outer edge, with the friction surface having provided in it an encircling first groove which extends in zig-zag or undulating form between radially inner and radially outer deflection points, a plurality of second grooves which extend from the inner edge to the outer deflection points and a plurality of third grooves which extend from the outer edge into the encircling first groove and which open into the encircling first groove at opening-in points between the deflection points.


Find Patent Forward Citations

Fabricius, Emilio. (2013). Frictional part with a zig-zag or undulating circumferential groove in the frictional surface (U.S. Patent No. 8474590). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8474590

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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