Roller assembly for dishwasher rack

Details Roller assembly for dishwasher rack Roller assembly for dishwasher rack

1982-05-10

1983-09-06

Jillions, John M.

Cutlery

384281, 384295, 312341R, F16C 2902, A47B 8800

Patent

active

044025564

ABSTRACT:
A plurality of roller assemblies are mounted on the side liner walls of the washing compartment of an automatic dishwashing machine to movably support a dishrack which is insertable and withdrawable from the compartment to facilitate loading and unloading. Each roller assembly comprises three rust and corrosion proof plastic components, including a stud, a bushing screwed onto the stud and a roller rotatably mounted on the bushing, and the roller assembly is secured to the liner wall by a metal screw which extends through a hole in the wall and engages the stud. A sealing gasket is disposed around the screw between the stud and the liner wall to prevent liquid in the compartment from reaching the hole and the screw. The stud has a screw-receiving threadable bore which is closed at one end so as to completely encapsulate the screw and prevent liquid from reaching it. The stud has an externally threaded shank which extends into a threaded bore in the bushing which is closed at one end. The bushing has a flared end, to prevent axial removal of the roller.

REFERENCES:
patent: 3469892 (1969-09-01), Langstroth
patent: 3829191 (1974-08-01), Jenkins
patent: 3851943 (1974-12-01), Afful

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