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. 21, 2018

Filed:

Dec. 02, 2015
Applicant:

Tracto-technik Gmbh & Co. KG, Lennestadt, DE;

Inventors:

Sebastian Fischer, Lennestadt, DE;

Stefan Hermes, Lennestadt, DE;

Raimund Grobbel, Eslohe, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/083 (2006.01); E21B 6/02 (2006.01); E21B 7/04 (2006.01);
U.S. Cl.
CPC ...
E21B 19/083 (2013.01); E21B 6/02 (2013.01); E21B 7/046 (2013.01);
Abstract

The invention relates to a drive of a slide of an earth drilling device having a rotary drive and a pinion that is driven by the rotary drive and can be engaged with a rack, wherein the rotary drive is engaged with another pinion which can be engaged with the rack.


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