Cleaning and liquid contact with solids – Apparatus – Operating or controlling device engaged and moved by work or...
Patent
1998-05-15
1999-04-20
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Operating or controlling device engaged and moved by work or...
134133, 134134, D06F 1300
Patent
active
058947450
ABSTRACT:
An agitator of washing machine has a washing shaft installed on a lower portion of a washing tub and extending upward to a bottom of the washing tub to be installed rotatively. A driving cam is installed on the washing shaft to rotate integrally with the washing shaft. A driven cam is installed around the washing shaft and contacts a surface of the driving cam to be driven by rotation of the driving cam. A moving bar of which one end contacts an outer surface of the driven cam and the other end extends upward into the washing tub through a hole formed on the bottom of the washing tub is provided such that the other end of the moving bar moves rotatively in the washing tub by rotation of the driven cam. A plate for forming rotating water flows which is formed in the other end of the moving bar moves rotatively integrally with the moving bar, thereby forming the rotating water flow flows in the washing tub. And, an elastic means tightly pushes the one end of the moving bar onto the surface of the driven cam. Therefore, an irregular rotating water flows are generated which prevent laundry gathering in the center of the washing tub from tangling. Accordingly the washing time is shortened, and the washing efficiency is enhanced.
REFERENCES:
patent: 2320230 (1943-05-01), Glisson
patent: 4170882 (1979-10-01), Brenner et al.
patent: 5638704 (1997-06-01), Kim et al.
patent: 5722265 (1998-03-01), Cho
patent: 5775137 (1998-07-01), Yanagisawa
patent: 5784904 (1998-07-01), Youn
Daewoo Electronics Co. Ltd.
Stinson Frankie L.
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