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:
Oct. 17, 2017

Filed:

Aug. 27, 2013
Applicant:

Bauer Spezialtiefbau Gmbh, Schrobenhausen, DE;

Inventor:

Stefan Spreitzer, Aresing, DE;

Assignee:

BAUER Spezialtiefbau GmbH, Schrobenhausen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/02 (2006.01); E21B 43/10 (2006.01); E02D 17/13 (2006.01); E02F 3/20 (2006.01);
U.S. Cl.
CPC ...
E21B 7/024 (2013.01); E02D 17/13 (2013.01); E02F 3/205 (2013.01); E21B 7/02 (2013.01); E21B 43/10 (2013.01);
Abstract

The invention relates to an earth working apparatus having an undercarriage which is designed as a running gear, and an upper carriage which is supported in a rotatable manner on the undercarriage and has a driver's cab as well as a drive motor for the undercarriage. According to the invention, between the undercarriage and the upper carriage an extension segment is arranged, through which a vertical distance between the undercarriage and the upper carriage is extended. On the extension segment between the undercarriage and the upper carriage a support means for tilt protection is mounted. The invention furthermore relates to a method for earth working with an earth working apparatus of such type.


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