Patent ID: 7331202
Filing Date: 2008-02-19
Classification: D06F

Abstract:
1. A drum-type washing machine, comprising: a water tub to contain water therein; a rotary drum included in the water tub and rotating in alternating directions to hold laundry located in the rotary drum to be washed; a pulsator rotatably mounted at a predetermined position on the rotary drum; a guide unit to guide the pulsator; a rotation guide unit to rotate the pulsator by a rotating force of the rotary drum; and a seat formed at a predetermined position in the rotary drum to mount the pulsator in the rotary drum, wherein the rotation guide unit comprises a ring gear mounted at a predetermined position on the water tub, and a pinion engaging with the ring gear, the pulsator comprises a rotating plate rotating in the rotary drum and a rotating shaft to connect the rotating plate to the pinion of the rotation guide unit, and the guide unit comprises a guide part having a plate shape, and slidably contacting with a rear surface of the rotating plate of the pulsator, a mounting part to mount the guide part to the seat and extending around an edge of the guide part, a central hole formed at a center of the guide part to allow the rotating shaft to pass through the guide part, and a shaft guide part extending from the central hole to guide the rotating shaft.