Patent ID: 7428832

Claim:
A drum washing machine comprising: a cabinet having a side wall and a door opening in the side wall; a tub with an opened front side facing the door opening; a drum rotatably provided in the tub; and an overflow controller provided in the tub, preventing water in the tub from flowing to the front of the tub during a dewatering spin of the drum, wherein the overflow controller includes a flow controlling projection projected from an inner circumference of the tub at a predetermined height to prevent the water in the tub from flowing to the opened front side of the tub, wherein the flow controlling projection is provided at a front portion of the tub, wherein the flow controlling projection has a ring shape surrounding the inner circumference of the tub in a circumferential direction, and wherein the flow controlling projection formed in the inner circumference at the lower portion of the tub is projected higher than that formed in an inner circumference at the upper portion of the tub.