Drum type washing machine and balancer for drum type washing...

Details Drum type washing machine and balancer for drum type washing... Drum type washing machine and balancer for drum type washing...

2011-01-04

2011-01-04

Barr, Michael (Department: 1711)

Textiles: fluid treating apparatus

Machines

Combined

C068S012060, C068S25300R

Reexamination Certificate

active

07861560

ABSTRACT:
A drum type washing machine having a balancer to prevent a reduction in the washing capacity of a rotating drum while preventing a collision noise of balls installed in the balancer. The diameter of the balls is maintained in a range of 12 millimeters to 30 millimeters, so as to prevent a collision noise of the balls during rotation of the rotating drum while preventing a reduction in the washing capacity of the rotating drum.

REFERENCES:
patent: 5850749 (1998-12-01), Kim
patent: 6658902 (2003-12-01), Southworth et al.
patent: 2002/0016997 (2002-02-01), Jonsson
patent: 20-1996-011524 (1996-05-01), None
patent: 1997-62395 (1997-12-01), None
patent: 10-0201653 (1999-03-01), None
patent: 2005110071 (2005-11-01), None
Park et al. (Appears as Kim et al. above), KR 10-2005-0110071, May 2006, English machine translation.
Gang, Gyeong-Seok, Oct. 1998, KR1998-0066063, English machine translation.
Korean Office Action dated Mar. 31, 2010 issued in corresponding Korean Patent Application.

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