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. 28, 2008
Filed:
Mar. 31, 2006
Robert A. Aarestad, Washington, IL (US);
Paul D. Hagen, Yorkville, IL (US);
John J. Krone, Peoria, IL (US);
Jason L. Brinkman, Peoria, IL (US);
George M. Romack, Washington, IL (US);
Robert A. Aarestad, Washington, IL (US);
Paul D. Hagen, Yorkville, IL (US);
John J. Krone, Peoria, IL (US);
Jason L. Brinkman, Peoria, IL (US);
George M. Romack, Washington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A cylinder assembly is disclosed. The cylinder assembly may include a cylinder body having an internal cavity therein and a piston and rod assembly disposed for axial movement within the internal cavity of the cylinder body. The piston and rod assembly may have an axial passage extending therein. The cylinder assembly may further include a tubular element received within the axial passage of the piston and rod assembly. At least a portion of the tubular element may extend out of the axial passage and into the internal cavity of the cylinder body between the axial passage and a wall of the cylinder body.