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, 2019
Filed:
Dec. 16, 2016
Applicant:
Graco Minnesota Inc., Minneapolis, MN (US);
Inventors:
Timothy S. Roman, Minnetonka, MN (US);
Andrew J. Klaphake, Minneapolis, MN (US);
Assignee:
Graco Minnesota Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 53/14 (2006.01); F04B 43/00 (2006.01); F04B 43/08 (2006.01); F04B 53/16 (2006.01); F04B 15/02 (2006.01); F16J 3/04 (2006.01);
U.S. Cl.
CPC ...
F04B 53/147 (2013.01); F04B 15/02 (2013.01); F04B 43/0072 (2013.01); F04B 43/08 (2013.01); F04B 53/143 (2013.01); F04B 53/144 (2013.01); F04B 53/16 (2013.01); F16J 3/048 (2013.01);
Abstract
A reciprocating pump includes a housing, a rod, and a bellows. The housing surrounds a bellows chamber and a displacement chamber. A portion of the rod extends through the opening in the endcap and into the bellows chamber of the housing. A cross-section of the rod includes a lobed shape. The bellows is connected to the housing and to the rod such that the bellows surrounds a portion of the rod.