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:
Dec. 25, 2018
Filed:
Dec. 22, 2014
Applicant:
Graco Minnesota Inc., Minneapolis, MN (US);
Inventors:
Bradley H. Hines, Andover, MN (US);
Brian W. Koehn, Minneapolis, MN (US);
Jeffrey A. Earles, Lakeville, MN (US);
Paul W. Scheierl, Circle Pines, MN (US);
Adam K. Collins, Brooklyn Park, MN (US);
Assignee:
Graco Minnesota Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 43/02 (2006.01); F04B 45/047 (2006.01); F04B 43/04 (2006.01); F04B 43/06 (2006.01); F04B 17/04 (2006.01); F04B 45/04 (2006.01); F04B 17/03 (2006.01); F04B 35/04 (2006.01); F04B 53/10 (2006.01); F04B 35/01 (2006.01); F04B 43/073 (2006.01); F04B 45/053 (2006.01); F04B 1/14 (2006.01); F04B 27/10 (2006.01); F04B 53/14 (2006.01); F04B 9/02 (2006.01); F04B 9/117 (2006.01); F04B 9/137 (2006.01);
U.S. Cl.
CPC ...
F04B 45/047 (2013.01); F04B 1/14 (2013.01); F04B 9/02 (2013.01); F04B 9/1176 (2013.01); F04B 9/1376 (2013.01); F04B 17/03 (2013.01); F04B 17/044 (2013.01); F04B 27/10 (2013.01); F04B 35/01 (2013.01); F04B 35/04 (2013.01); F04B 43/02 (2013.01); F04B 43/023 (2013.01); F04B 43/025 (2013.01); F04B 43/04 (2013.01); F04B 43/06 (2013.01); F04B 43/073 (2013.01); F04B 45/04 (2013.01); F04B 45/041 (2013.01); F04B 45/053 (2013.01); F04B 53/10 (2013.01); F04B 53/1002 (2013.01); F04B 53/14 (2013.01);
Abstract
A drive system for a pump includes a housing defining an internal pressure chamber, a working fluid disposed within and charging the internal pressure chamber, and a reciprocating member disposed within the internal pressure chamber. The reciprocating member has a pull chamber. A pull is secured within the pull chamber, and a fluid displacement member is coupled to the pull.