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. 03, 2018

Filed:

Aug. 04, 2016
Applicant:

Whirlpool Corporation, Benton Harbor, MI (US);

Inventors:

Ronald M. Nowell, Jr., Saint Joseph, MI (US);

Daniel W. Southworth, South Bend, IN (US);

Matthew M. Hansen, Saint Joseph, MI (US);

Joseph T. Ferencevich, Saint Joseph, MI (US);

Assignee:

Whirlpool Corporation, Benton Harbor, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L 15/50 (2006.01); A47L 15/46 (2006.01); A47L 15/42 (2006.01);
U.S. Cl.
CPC ...
A47L 15/507 (2013.01); A47L 15/428 (2013.01); A47L 15/4225 (2013.01); A47L 15/4257 (2013.01); A47L 15/4285 (2013.01); A47L 15/4293 (2013.01); A47L 15/46 (2013.01);
Abstract

An apparatus for the rack assembly of a dishwasher that includes opposing side portions, at least two axles extending outwardly from each of the opposing side portions, and a roller wheel mounted to each axle, wherein each roller wheel has ball bearings that enable at least a portion of the roller wheel to rotate about the axle. The rack assembly apparatus may be used for the upper or lower rack of the dishwasher. In case of the lower rack, the assembly may roll on the surface of the door. In case of the upper rack, the assembly may roll along guide rails.


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