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:
Oct. 20, 2015
Filed:
Dec. 02, 2011
Thomas Lehnert, Oberraden, DE;
Karsten Buhr, Willroth, DE;
Martin Lenz, Groβmaischeid, DE;
Cyrus Barimani, Königswinter, DE;
Günter Hähn, Königswinter, DE;
Karl Kammerer, Fluorn-Winzeln, DE;
Bernhard Diesner, Telfes im Stubai, AT;
Markus Roth, Aichhalden, DE;
Thomas Lehnert, Oberraden, DE;
Karsten Buhr, Willroth, DE;
Martin Lenz, Groβmaischeid, DE;
Cyrus Barimani, Königswinter, DE;
Günter Hähn, Königswinter, DE;
Karl Kammerer, Fluorn-Winzeln, DE;
Bernhard Diesner, Telfes im Stubai, AT;
Markus Roth, Aichhalden, DE;
WIRTGEN GMBH, Windhagen, DE;
Abstract
A chisel holder comprises a body zone () having a chisel receiving opening () that is open at least in the direction of a chisel insertion end () of the body zone (), and also comprises a fastening shaft () which extends from a supporting end () of the body zone () and has a longitudinal shaft axis. A fastening member-affecting zone is provided on a first side of the fastening shaft (), and a supporting zone () that has supporting surface regions () which are inclined relative to each other and adjoin each other in a transition zone () extending in the direction of the longitudinal shaft axis is provided on a second side of the fastening shaft (), said second side lying opposite the first side relative to the longitudinal shaft axis. Said chisel holder is characterized in that the transition zone () is designed like a cavity, or/and at least some sections of at least one supporting surface region () project radially outward from a basic outer peripheral surface () of the fastening shaft () in relation to the longitudinal shaft axis.