Patent ID: 8857226

Claim:
A laundry treatment apparatus, comprising: a cabinet having a prescribed shape; a drum provided in the cabinet and configured to rotate, a cross section of the drum being a simple closed curve where a first distance between a rotational axis of the drum and a first location on an inner surface of the drum is different from a second distance between the rotational axis of the drum and a second location on the inner surface of the drum; a motor; a belt connected to the motor and extending around an outer surface of the drum to rotate the drum; a front supporter slidably connected to a front circumferential end portion of the drum to support a front end of the drum; a rear supporter slidably connected to a rear circumferential end portion of the drum to support a rear end of the drum, wherein the front supporter and the rear supporter maintain the simple closed curve cross section of the drum as the drum rotates; and a plurality of lifters provided on the inner surface of the drum, the plurality of lifters configured to lift and drop laundry items received in the drum, wherein the plurality of lifters is slidably connected to the front supporter and the rear supporter to be rotated together with the drum.