Textiles: fluid treating apparatus – Machines – Combined
Patent
1996-08-29
1999-01-26
Stinson, Frankie L.
Textiles: fluid treating apparatus
Machines
Combined
68133, 74 36, D06F 3734
Patent
active
058626859
ABSTRACT:
A washing machine transmission performs a washing by rotating a pulsator in forward and reverse directions during a washing cycle even though a driving source rotates in any one direction only, so that an overload in the driving source can be prevented. A first link is attached to an upper end of a driving shaft, and has a first guide pin. A second link is hinged to an inner peripheral surface of a brake drum at a first end and has a second guide pin, and has a first oblong slot formed between the first end and the second end. A third link is attached to a driven shaft, and has a second oblong slot. When the driving shaft rotates, the first guide pin rotates. Thus, as the first oblong slot moves along the first guide pin, the second link hinged to the inner peripheral surface of the brake drum rotates in forward and reverse directions in a predetermined range of angles, and the second guide pin attached to the second end of the second link moves along the second oblong slot so as to rotate the third link in forward and reverse directions in a range of angles that is lager than that of the second link.
REFERENCES:
patent: 1857871 (1932-05-01), Reaney
patent: 2816450 (1957-12-01), Conlee
patent: 3604029 (1971-09-01), Bain
patent: 3771336 (1973-11-01), Phillips, Jr.
patent: 4953369 (1990-09-01), Ito
patent: 5379616 (1995-01-01), Bae
Daewoo Electronics Co. Ltd.
Stinson Frankie L.
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