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:
Oct. 06, 2009
Filed:
Mar. 23, 2007
Applicants:
Patrick John Mulligan, Dubuque, IA (US);
Matthew Banowetz, Cedar Rapids, IA (US);
Inventors:
Patrick John Mulligan, Dubuque, IA (US);
Matthew Banowetz, Cedar Rapids, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 55/21 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An endless track chain device, comprises first and second links and a track chain joint. The track chain joint comprises a radial seal unit that inhibits ingress of debris between a bushing of the joint and the second link into a region between a pin of the joint and the bushing.