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.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
Jan. 14, 2016
Applicant:
Liebherr-mining Equipment Colmar Sas, Colmar, FR;
Inventors:
Assignee:
Liebherr-Mining Equipment Colmar SAS, Colmar, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 55/14 (2006.01); B62D 55/20 (2006.01); B62D 55/21 (2006.01); B66C 9/00 (2006.01); E02F 9/02 (2006.01);
U.S. Cl.
CPC ...
B62D 55/14 (2013.01); B62D 55/20 (2013.01); B62D 55/202 (2013.01); B62D 55/21 (2013.01); B66C 9/00 (2013.01); E02F 9/02 (2013.01);
Abstract
A tracked chassis for a working machine has a track which includes at least one roller path, preferably two roller paths extending in parallel, on whose running surface at least one plain roller of the tracked chassis is movable during crawler operation. The running surface of at least one roller path of the track and the running surface of at least one roller have a transverse section with an at least sectionally convex contour.