Shaft assembly for use in a washing machine

Details Shaft assembly for use in a washing machine Shaft assembly for use in a washing machine

1998-05-14

2000-06-20

Estremsky, Sherry L.

Planetary gear transmission systems or components

Planetary gearing or element

475345, 475902, 68 237, F16H 5708

Patent

active

060771844

ABSTRACT:
A shaft assembly used in a washing machine, which can prevent noise generated from a gear assembly therein. The shaft assembly has a speed reduction gear assembly including an internal gear, a sun gear, and planet gears. The sun gear is a helical gear made of plastic. An input shaft of the shaft assembly is inserted into the sun gear. Relative movement between the sun gear and the planet gears is prevented by a cover member. Since the sun gear is a helical gear made of plastic, noise is reduced. Furthermore, the movement of the gears caused by the thrust of the helical gear is prevented by the cover member, and therefore the noise is still more reduced.

REFERENCES:
patent: 1912801 (1933-06-01), Stephenson
patent: 3421390 (1969-01-01), Lohr
patent: 4901602 (1990-02-01), Matoba
patent: 5098358 (1992-03-01), Igaku
patent: 5139468 (1992-08-01), Churchill et al.
patent: 5187954 (1993-02-01), Kim et al.
patent: 5853346 (1998-12-01), Gaffney

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