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:
Aug. 20, 2019

Filed:

Nov. 08, 2016
Applicant:

Betek Gmbh & Co. KG, Aichhalden, DE;

Inventor:

Markus Roth, Aichhalden, DE;

Assignee:

Betek GmbH & Co. KG, Aichhalden, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/19 (2006.01); E21C 35/197 (2006.01); E21C 35/183 (2006.01); E21C 35/18 (2006.01);
U.S. Cl.
CPC ...
E21C 35/19 (2013.01); E21C 35/183 (2013.01); E21C 35/197 (2013.01); E21C 2035/1803 (2013.01);
Abstract

The present invention relates to a shank chisel with a chisel head and a chisel shank, wherein the chisel shank has a securing element receptacle in which a securing element is arranged. In order to be able to make simple installation of the shank chisel in a chisel holder possible in a safe and maintenance-optimized manner of operation, it is provided according to the invention that a clamping element is adjustable relative to the chisel shank in such a manner that at least one part of the outer contour of the securing element is changed. The invention furthermore relates to a corresponding fixing assembly for a shank chisel in a chisel holder.


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