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:
Jun. 14, 2011
Filed:
Mar. 25, 2008
Mark Steven Diekevers, Metamora, IL (US);
Eric James Johannsen, Washington, IL (US);
Richard Edward Livesay, Peoria, IL (US);
Kevin Lee Steiner, Tremont, IL (US);
Mark Steven Diekevers, Metamora, IL (US);
Eric James Johannsen, Washington, IL (US);
Richard Edward Livesay, Peoria, IL (US);
Kevin Lee Steiner, Tremont, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A track assembly for a track-type machine is disclosed. The track assembly includes inner and outer track links. A rotatable bushing is positioned about a track pin and a sleeve bearing is positioned about the track pin. A first seal member is disposed between an inner track link and the rotatable bushing and a second seal member is disposed between inner and outer track links. A first thrust ring is engaged with the rotatable bushing and a second thrust ring is engaged with the sleeve bearing. A first contact member is engaged with the first seal member and a second contact member is engaged with the second seal member. The first and second contact members are configured to inhibit wear of the first and second seal members.