| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving power transmission mechanism capable of suppressing vibration/noise and coping with quietness required for a fully automatic washing machine. SOLUTION: A decelerator incorporated in this driving power transmission mechanism of the fully automatic washing machine is constituted by a planetary roller mechanism. It is provided with an input shaft 1 for transmitting the rotation force of a drive source, an outer wheel 3 fixed and arranged on the same axis as the input shaft 1, plural planetary rollers 4 interposed in a press contact state between a rolling surface formed on the input shaft 1 and the rolling surface formed on the inner peripheral surface of the outer wheel 3, a carrier 5 for freely rotatably holding the planetary rollers 4 with equal intervals in a circumferential direction by being in contact with the outer peripheral surfaces of the planetary rollers 4 and an output shaft 2 tightened to the carrier 5. Flange parts 6 and 10 are formed at the respective input and output shafts 1 and 2, and the input and output shafts 1 and 2 position-controlled by the flange parts 6 and 10 are freely rotatably supported by upper and lower supporting bodies 12 and 9 through upper and lower bearings 11 and 8.
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