Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Patent
1993-11-30
1996-02-20
Stinson, Frankie L.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Manipulation of liquid
68 237, 68 233, 68133, D06F 3740
Patent
active
054918596
ABSTRACT:
A drive system for producing agitation and spin in an automatic washing machine incorporates a transmission assembly including a plurality of interengaged transmission elements located within a transmission housing. During agitation, the transmission housing is braked and the transmission elements convert input rotary drive from a motor to oscillator drive of an output shaft. During spin, a cam member carried by one of the transmission elements automatically shifts a stop element into engagement with the transmission housing. This maintains the transmission elements in a predetermined orientation, prevents relative rotation between each of the transmission elements and the transmission housing and causes the entire transmission assembly to rotate in unison which results in rotation of the output shaft. Since the transmission elements are maintained in the same predetermined orientation during each spin, the entire transmission assembly can be effectively counterbalanced to minimize unbalancing of the system and reduce vibrations during operation.
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Maytag Corporation
Stinson Frankie L.
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