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:
Dec. 06, 2011

Filed:

Jan. 22, 2008
Applicants:

Jason Gene Olberding, Marshalltown, IA (US);

Bryan Quinn Leger, Marshalltown, IA (US);

Paul Russell Dalluge, Marshalltown, IA (US);

Inventors:

Jason Gene Olberding, Marshalltown, IA (US);

Bryan Quinn Leger, Marshalltown, IA (US);

Paul Russell Dalluge, Marshalltown, IA (US);

Assignee:

Fisher Controls International, LLC, Marshalltown, IA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A biasing apparatus includes a first spring seat that has a first seating surface and a first protruding member extending a predetermined distance from the first seating surface and a second spring seat that has a second seating surface and a second protruding member extending a predetermined distance from the second seating surface. The first and second protruding members engage to slidably couple the first and the second spring seats.


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