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:
Jun. 05, 2018

Filed:

May. 22, 2015
Applicant:

Caterpillar Global Mining Europe Gmbh, Lünen, DE;

Inventors:

Gerhard Siepenkort, Lünen, DE;

Uwe Tillessen, Kamen, DE;

Klaus Duhnke, Werne, DE;

Susanne Wutzke, Holzwickede, DE;

Diedrich Bettermann, Unna, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 27/44 (2006.01); E21C 35/193 (2006.01); E21C 27/36 (2006.01);
U.S. Cl.
CPC ...
E21C 35/193 (2013.01); E21C 27/36 (2013.01); E21C 27/44 (2013.01);
Abstract

A plow bit for a bit holder including a recess of a mining plow is disclosed. The plow bit also has a bit shank configured to be inserted into the recess of the bit holder. The bit shank has a front shank face, which is concave. The bit shank also has a rear shank face disposed on an opposite side of the bit shank with respect to the front shank face. The bit shank further has a first lateral shank face connected to the front shank face and the rear shank face. The first lateral shank face includes a first groove extending from the front shank face in direction of the rear shank face. The groove receives a securing pin.


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