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:
Apr. 02, 2002
Filed:
Apr. 20, 2000
Michael D. Hasselbusch, Metamora, IL (US);
Roy L. Maguire, Edelstein, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A roller assembly for an undercarriage of a work machine has a roller rim having central passage defined therein with (i) a first end of the central passage of the roller rim defining a first access opening, and (ii) a second end of the central passage of the roller rim defining a second access opening. The roller assembly also has a roller shaft having a first end portion which is positioned outside of the central passage of the roller rim and a second end portion which is positioned within the central passage of the roller rim, the second end portion of the roller shaft having an outwardly extending annular flange secured thereto. Yet further, the roller assembly has a retainer press fit into the second access opening. In addition, the roller assembly has an axial thrust bearing interposed between the outwardly extending annular flange of the roller shaft and the retainer. A method for manufacturing a roller assembly of an undercarriage assembly is also disclosed.