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. 15, 2013
Filed:
Jun. 29, 2011
John L. Marsolek, Watertown, MN (US);
Nicholas A. Oetken, Brooklyn Park, MN (US);
Nathan L. Mashek, St Michael, MN (US);
Eric A. Hansen, Big Lake, MN (US);
John L. Marsolek, Watertown, MN (US);
Nicholas A. Oetken, Brooklyn Park, MN (US);
Nathan L. Mashek, St Michael, MN (US);
Eric A. Hansen, Big Lake, MN (US);
Caterpillar Paving Products Inc., Minneapolis, MN (US);
Abstract
A system and method for lubricating a key shaft in a compaction machine is disclosed. The compaction machine may include a spline oil cavity and a key shaft in fluid communication with the spline oil cavity. The key shaft may include an axial splined portion and a helical splined portion on an outer surface thereof, a longitudinal lubricating passage extending through a substantial length of the key shaft and a plurality of additional lubricating passages intersecting the longitudinal lubricating passage. The system and method may additionally include lubricating the axial splined portion and the helical splined portion of the key shaft with the lubricating oil drawn from the spline oil cavity.