Patent ID: 7607327

Claim:
A drum type washing machine comprising: a water tub suspended in the washing machine; a cylindrical rotary drum rotatably installed in the water tub such that a central axis of rotation of The rotary drum is horizontal or slanted with respect to a horizontal direction; a water outlet provided on a bottom portion of the water tub; a motor for rotating the rotary drum; a water supplying unit for supplying wash water into the water tub; a water draining unit for draining the wash water from the water tub; and a controller for controlling operations of the motor, the water supplying unit and the water draining unit to thereby perform a washing, a rinsing and a water-extracting process, wherein a guiding member with a guiding surface is installed on an inner bottom portion of the water tub to facilitate collection of the wash water and guide the collected wash water toward the water outlet during the water-extracting process, wherein a recessed drain groove elongated in a direction of the central axis of rotation of the rotary drum is provided on the inner bottom portion of the water tub, and a water outlet is provided on a bottom portion of the drain groove, and wherein the guiding member is provided with an opening for allowing the wash water to flow thereinto, and the guiding surface of the guiding member is formed of a wall portion and a flange portion extending from the wall portion substantially in a horizontal direction, the wall portion being located on the downstream side with respect to the water outlet along a rotational direction of the rotary drum during the water-extracting process, and one end of the flange portion forming one side of the opening.