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:
Nov. 07, 2017

Filed:

May. 08, 2015
Applicant:

Caliber, Inc., Burnsville, MN (US);

Inventors:

Ernest J. Delanghe, Burnsville, MN (US);

Paul Dathe, Plymouth, MN (US);

Assignee:

Caliber, Inc., Burnsville, MN (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60B 39/12 (2006.01); E01B 23/00 (2006.01);
U.S. Cl.
CPC ...
E01B 23/00 (2013.01); B60B 39/12 (2013.01);
Abstract

A traction device to engage a track of a tracked vehicle includes spaced apart longitudinal ribs and spaced apart transverse ribs forming a matrix, with at least one longitudinal rib having first gripping elements spaced apart to engage a track of a vehicle having lugs spaced at a first pitch and at least one other longitudinal rib having second gripping elements spaced apart to engage a track of a vehicle having lugs spaced at a second pitch. A number of third gripping elements are arranged across a width of each of the transverse ribs, and the transverse ribs are spaced to engage a track of a vehicle having lugs spaced at a third pitch.


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