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:
Feb. 14, 2017

Filed:

Aug. 04, 2015
Applicant:

Feintool International Holding Ag, Lyss, CH;

Inventors:

Patrick Hofer, Lyss, CH;

Marc Schneeberger, Lyss, CH;

Andreas Marti, Jegenstorf, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 28/00 (2006.01); B21D 53/28 (2006.01); B21D 28/16 (2006.01); F16D 23/02 (2006.01);
U.S. Cl.
CPC ...
B21D 28/002 (2013.01); B21D 28/16 (2013.01); B21D 53/28 (2013.01); F16D 23/025 (2013.01);
Abstract

A method and apparatus for producing clutch bodies, which are suitable for synchronizer systems and provided with teeth or tooth sections, from a blank uses and includes at least one embossing stage, composed of embossing segments and an anvil, for embossing roofs and troughs between root and tip circles into an upper face of the blank, and transfer means for transporting the blanks, First embossing segments form a first section and second embossing segments form a second section for sequential embossing within the at least one embossing stage, wherein the first embossing segments first emboss a first section, then return in relation to the second embossing segments, and thereafter the second embossing segments emboss the second section, wherein the second embossing segments are disposed next to each other in an annular arrangement, and the second embossing segments are designed to be axially movable relative to the first embossing segments of the first section.


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