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. 16, 2003

Filed:

Dec. 20, 2001
Applicant:
Inventors:

Jonathan T. Wiechers, Defiance, OH (US);

Kerry G. Vonalt, Edgerton, OH (US);

Assignee:

Ingersoll-Rand Company, Woodcliff Lake, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/504 ;
U.S. Cl.
CPC ...
F16K 1/504 ;
Abstract

A packing assembly, retrofit kit, and check valve with adjustable lift having a ball stop member having opposed first and second contact portions and at least two washers being provided in a stacking configuration. The stacking configuration is one selected from one in which all of the at least two washers are stacked against the first contact portion of the ball stop member, one in which all of the at least two washers are stacked against the second contact portion of the ball stop member, and one in which at least one of the at least two washers is stacked against the first contact portion of the ball stop member and at least one of the at least two washers is stacked against the second contact portion of the ball stop member. Preferably, the at least two washers are of different thicknesses with, more preferably, the thicknesses of the at least two washers being multiples of each other. Most preferably, the at least two washers are a first washer and a second washer with the second washer having a thickness that is twice the thickness of the first washer.


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