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. 26, 2020
Filed:
Dec. 20, 2017
Caterpillar Paving Products Inc., Brooklyn Park, MN (US);
Brian Schlenker, Shoreview, MN (US);
Dustin Sondreal, Hanover, MN (US);
Jason Muir, Andover, MN (US);
Dario Sansone, Castello d'Argile, IT;
Roger Hedlund, Champlin, MN (US);
Caterpillar Paving Products Inc., Brooklyn Park, MN (US);
Abstract
A seal system for a rotor assembly of a surface treatment machine includes a rotatable rotor assembly shell including surface treatment tools extending therefrom, and a stub-shaft located within the shell and fixedly coupled to the shell. The stub-shaft includes a shaft portion and a base portion, with the base portion including a recess. A non-rotatable bearing housing surrounds at least a portion of the shaft portion and has an longitudinally extending inner end located within the recess. A seal member is located in the recess and secured between the bearing housing and the base portion.