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:
Dec. 23, 2014
Filed:
Oct. 17, 2011
Applicants:
Timothy D. Wodrich, Reiles Acres, ND (US);
Patrick J. Mulligan, Dubuque, IA (US);
James G. Merten, Peosta, IA (US);
Inventors:
Timothy D. Wodrich, Reiles Acres, ND (US);
Patrick J. Mulligan, Dubuque, IA (US);
James G. Merten, Peosta, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 55/21 (2006.01); B62D 55/088 (2006.01); B62D 55/32 (2006.01);
U.S. Cl.
CPC ...
B62D 55/21 (2013.01); B62D 55/32 (2013.01); B62D 55/0887 (2013.01);
Abstract
A track chain assembly for a crawler type work vehicle includes a plurality of links pivotally connected together at respective link joints. Each link joint includes a bushing, a pin, and at least one elastomeric bearing. Each elastomeric bearing includes an inside diameter (ID) engaging the pin and an outside diameter (OD) engaging a link and/or bushing. Each elastomeric bearing includes a plurality of alternating metal layers and elastomer layers.