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.

Date of Patent:
Jul. 09, 2019

Filed:

Dec. 16, 2016
Applicant:

Graco Minnesota Inc., Minneapolis, MN (US);

Inventor:

Timothy S. Roman, Minnetonka, MN (US);

Assignee:

Graco Minnesota Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/08 (2006.01); F04B 53/16 (2006.01); F04B 53/14 (2006.01); F04B 53/10 (2006.01); F04B 15/02 (2006.01); F16J 15/52 (2006.01);
U.S. Cl.
CPC ...
F04B 43/08 (2013.01); F04B 15/02 (2013.01); F04B 53/1002 (2013.01); F04B 53/143 (2013.01); F04B 53/144 (2013.01); F04B 53/147 (2013.01); F04B 53/16 (2013.01); F16J 15/52 (2013.01);
Abstract

A reciprocating pump includes a housing, a rod, a sleeve, a bellows, and a nut. The housing includes a bellows chamber and a working chamber. The rod extends into the reciprocating pump such that the rod extends through the bellows chamber and partly into the working chamber. The rod includes a shoulder. The sleeve is connected to the rod such that the sleeve surrounds a portion of the rod. The bellows is connected to the sleeve such that the bellows surrounds a portion of the sleeve. The nut is attached to a bottom end of the sleeve such that the nut clamps an end of the bellows to the bottom end of the sleeve.


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