Drain plug assembly for dishwasher, and the like

Details Drain plug assembly for dishwasher, and the like Drain plug assembly for dishwasher, and the like

1987-05-12

1989-06-27

Stinson, Frankie L.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4436, 137119, 68208, 134186, 134201, E03D 135

Patent

active

048415812

ABSTRACT:
An assembly of a drain plug for a dishwasher is disclosed, comprising a hollow stem portion and a drain plug body. A double O-ring is provided to seat and seal the ball body into a drain pipe, and to make a light, sliding fit with the interior of the drain pipe. The sliding fit guides the assembly during vertical movement and enables the assembly to maintain a vertical position without tilting. When the O-rings become worn, they are replaced, rather than having to discard the entire assembly.

REFERENCES:
patent: 1626255 (1927-04-01), Roth
patent: 2358228 (1944-09-01), Hoof
patent: 3090967 (1963-05-01), Erhardt et al.
patent: 3902201 (1975-09-01), Bobo
patent: 4058858 (1977-11-01), Che-Wei
patent: 4086929 (1978-05-01), Focht
patent: 4443898 (1984-04-01), Aguero

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