Washing machine

Details Washing machine Washing machine

1986-06-06

1987-03-24

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Combined

68174, D06F 2304

Patent

active

046515429

ABSTRACT:
A washing machine includes a washing tub whose peripheral wall is formed of an upper peripheral wall section and a lower peripheral wall section located thereunder and adapted to be rotated in two opposite directions. The washing tub receives laundry and water therein. In the washing mode, the lower peripheral wall section is rotated both clockwise and counterclockwise. Thus, the laundry is circulated by frictional contact with the lower peripheral wall section and is washed by the effect of multiplication of frictional forces produced by contact with the upper and lower peripheral wall sections. A projection protrudes upward from the inner bottom surface of the washing tub and is located inside the lower peripheral wall section to touch the laundry to increase the cleaning efficiency.

REFERENCES:
patent: 1211129 (1917-01-01), Franklin
patent: 2156541 (1939-05-01), Misenhimer et al.
patent: 2575691 (1951-11-01), Smith
patent: 2652710 (1953-09-01), DeRemer
patent: 2986916 (1961-06-01), Bochan
patent: 3603118 (1971-09-01), Brucken et al.
patent: 3641791 (1972-02-01), Wine et al.
patent: 4252005 (1981-02-01), Stokes

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