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:
Mar. 24, 2015

Filed:

Apr. 05, 2012
Applicants:

Ernest Oxenknecht, Naperville, IL (US);

Tom Plunkett, Aurora, IL (US);

Frank Popielas, Plainfield, IL (US);

Kevin Shaver, Chicago, IL (US);

Inventors:

Ernest Oxenknecht, Naperville, IL (US);

Tom Plunkett, Aurora, IL (US);

Frank Popielas, Plainfield, IL (US);

Kevin Shaver, Chicago, IL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 27/12 (2006.01); F16L 21/03 (2006.01); F01N 13/18 (2010.01); F16L 51/00 (2006.01);
U.S. Cl.
CPC ...
F16L 21/03 (2013.01); F01N 13/1827 (2013.01); F16L 51/00 (2013.01);
Abstract

Slip joint having a stacked washer seal, a male part and a female part. The female part has a small and a large inner diameter. The male part has substantially constant inner and outer diameters and a ring on the outer diameter. A gap is located between the male and female part. At least two washers and a flat shim are located in the gap. Each washer and flat shim has a first side, a second side, a first end and a second end. The first side of a first washer abuts an end of the male part. A second side of the washer contacts a first side of a flat shim. The second side of the shim contacts the first side of a second washer. The second side of the second washer contacts a first side of a second flat shim or an end of the female part.


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