Patent ID: 7340924

Claim:
In a washing machine including a cabinet having a first opening through which laundry is put in at a cabinet front side, a tub having a second opening at a tub front side, and a drum rotatably provided in the tub to have a third opening at a drum front side, a gasket comprising: a leakage preventing part having one end connected to a rim of the first opening and the other end connected to a rim of the second opening; and a ring protrusion protruding toward a center of the third opening between the one and the other ends of the leakage preventing part to block a gap between the second and third openings, the ring protrusion having a front end defining a front end opening and a rear end defining a rear end opening, with the rear end being closer to the drum than the front end, and a diameter of the front end of the protrusion being greater than a diameter of the rear end opening of the protrusion.