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:
Jul. 16, 2019
Filed:
Dec. 30, 2017
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Luke B. Fischer, Roanoke, IL (US);
David F. Schaefer, Princeville, IL (US);
Assignee:
Caterpillar Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 55/14 (2006.01); B62D 55/10 (2006.01); B62D 55/20 (2006.01); B62D 55/06 (2006.01);
U.S. Cl.
CPC ...
B62D 55/14 (2013.01); B62D 55/06 (2013.01); B62D 55/10 (2013.01); B62D 55/20 (2013.01);
Abstract
An undercarriage includes a plurality of bottom support rollers defining a bottom support roller platform distance and front and rear wheels defining a wheel pitch distance, and a track chain defining a link pitch distance and a ratio of the bottom support roller platform distance to the wheel pitch distance ranges from 0.70 to 0.95 and a ratio of the roller spacing distance to the link pitch distance ranges from 0.75 link pitch distance to 1.50 link pitch distances.