Direct drive washing machine

Details Direct drive washing machine Direct drive washing machine

2006-08-15

2006-08-15

Perrin, Joseph L. (Department: 1746)

Textiles: fluid treating apparatus

Machines

Combined

C068S133000, C192S069800

Reexamination Certificate

active

07089769

ABSTRACT:
In a direct drive washing machine having a driving motor installed at a lower portion of an outer tub and rotating an inner tub or a pulsator by the driving motor, a pulsator shaft and a tub shaft are constructed with a dual shaft structure, respectively connected to the inner tub and the pulsator and transmitting a rotational force of the driving motor thereto, a clutch coupling being connected with an outer circumference of the tub shaft and performing a clutching operation by being connected with/separated from a rotor of the driving motor while moving up and down, and with a clutch actuator providing a force to the clutch coupling so as to separate it from the rotor, whereby it is possible to wash laundry by various methods in accordance with laundry conditions, and accordingly, the performance of washing can be improved and a load on the driving motor can be lowered.

REFERENCES:
patent: 5737944 (1998-04-01), Nishimura et al.
patent: 5778703 (1998-07-01), Imai et al.
patent: 5887458 (1999-03-01), Bae
patent: 6049930 (2000-04-01), Hisano et al.
patent: 6176108 (2001-01-01), Bae et al.
patent: 6332343 (2001-12-01), Koketsu et al.

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