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:
Sep. 18, 2018

Filed:

Dec. 30, 2015
Applicant:

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

Inventors:

Glen W. Davidson, Roseville, MN (US);

Steve J. Wrobel, Rogers, MN (US);

Chad R. Taszarek, Albertville, MN (US);

William M. Blenkush, Becker, MN (US);

Chris W. Sydow, Becker, MN (US);

Christopher A. Lins, Crystal, MN (US);

Andrew J. Kopel, Stanchfield, MN (US);

David J. Thompson, Oak Grove, MN (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 29/00 (2006.01); F04B 53/14 (2006.01); F04B 53/22 (2006.01); F04B 19/22 (2006.01); F04B 53/16 (2006.01); F15B 15/14 (2006.01);
U.S. Cl.
CPC ...
F04B 53/144 (2013.01); F04B 19/22 (2013.01); F04B 53/162 (2013.01); F04B 53/22 (2013.01); F15B 15/1438 (2013.01);
Abstract

A displacement pump includes a pump rod having a load concentrating feature extending from the head of the pump rod. The head of the pump rod is received within a slot of a drive link, and the drive link is configured to contact the load concentrating feature. Having the drive link contact the smaller diameter load concentrating feature reduces the misalignment between the driving force and the center of the pump rod and thereby reduces side-loading experienced by the pump rod. The displacement pump is configured to be used in a fluid dispensing system.


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