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:
Jan. 01, 2013

Filed:

Jul. 20, 2011
Applicants:

Dirk Speckamp, Hamm, DE;

Jan Philipp Behra, Guetersloh, DE;

Heinrich Hermeler, Telgte, DE;

Inventors:

Dirk Speckamp, Hamm, DE;

Jan Philipp Behra, Guetersloh, DE;

Heinrich Hermeler, Telgte, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D 41/14 (2006.01); A01D 46/08 (2006.01); A01D 75/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A self-propelled harvesting machine has a lifting device for a front attachment and at least one crawler track assembly which is provided with a damping system, and which is formed by a crawler track disposed on an axle of the harvesting machine and on either side of the axle, and the height of the harvesting machine can be changed by varying the spring travel of the hydropneumatic damping system of the crawler track assembly.


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