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. 19, 2017
Filed:
Dec. 21, 2015
Wirtgen Gmbh, Windhagen, DE;
Thomas Lehnert, Oberraden, DE;
Karsten Buhr, Willroth, DE;
Martin Lenz, Grossmaischeid, DE;
Cyrus Barimani, Königswinter, DE;
Günter Hähn, Königswinter, DE;
Karl Kammerer, Fluorn-Winzeln, DE;
Markus Roth, Aichhalden, DE;
Bernhard Diessner, Telfes in Stubai, AT;
Wirtgen GmbH, , DE;
Abstract
The subject matter of the invention is a bit holder for an earth working machine, in particular a road milling machine, having a support member onto which an insertion projection is indirectly or directly attached on an insertion projection side, the insertion projection comprising at least one convex abutment surface and one pressure surface. In a bit holder of this kind, working forces can be dissipated in stress-optimized fashion into an attached base part when provision is made that the insertion projection comprises two convex abutment surfaces that are arranged at a distance from one another.