Self-cleaning bearing flange for dishwasher spray arm

Details Self-cleaning bearing flange for dishwasher spray arm Self-cleaning bearing flange for dishwasher spray arm

1994-07-06

1995-07-18

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

Having self cleaning means

134176, 239113, 239261, A47L 1523

Patent

active

054332281

ABSTRACT:
A dishwasher is provided having a rotatable spray arm. The spray arm has a circular flange for rotatably mounting the spray arm to a hub. The flange has a varying vertical contour around the hub. Food particles that may become interposed between the flange and the hub can roll out from under the flange or can be broken down in size by an up and down action caused by the flange.

REFERENCES:
patent: 3009470 (1961-11-01), Zurek
patent: 3605770 (1971-09-01), Robandt, II et al.
patent: 3876148 (1975-04-01), Cushing et al.
patent: 5131420 (1992-07-01), Favret

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