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:
May. 25, 2004
Filed:
Aug. 21, 2002
Applicant:
Inventors:
Michael D. Hasselbusch, Metamora, IL (US);
Roy L. Maguire, Edelstein, IL (US);
Darby R. Robertson, Morton, IL (US);
Assignee:
Caterpillar Inc, Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/521 ;
U.S. Cl.
CPC ...
B62D 5/521 ;
Abstract
A cartridge assembly for a track chain assembly is provided. The cartridge assembly includes a bushing rotatably positioned about a track pin. Bearing members are positioned about the track pin adjacent the bushing. Collars are positioned about the track pin adjacent the bearing members. Seal arrangements are positioned between the collars and the bearing members and between the bearing members and the track bushing sealably excluding contaminants and the retention of a lubricating fluid from a passage in the bushing and a bore within the track pin.