Patent ID: 8615898

Claim:
A laundry machine, comprising: a main body having an inner space formed therein; a support body arranged in the main body so as to form a frame of the main body; a flexible drum having a front opening and a rear opening respectively formed at open front and rear faces thereof, rotatably arranged in the main body so as to have a non-circular cross-section; rotation guides arranged between the main body and the flexible drum to guide rotation of the flexible drum, wherein the flexible drum is configured such that a first distance from a center of rotation of an inscribed circle contacting an inner circumferential surface of the flexible drum to at least one random point on the inner circumferential surface of the flexible drum is greater than a second distance from the center of rotation of the inscribed circle to another point on the inscribed circle; and a drum driving device installed in the inner space to rotate the flexible drum, wherein the rotation guides are fixed to the support body and contact a front end and a rear end of the flexible drum at a plurality of positions so as to guide rotation of the flexible drum and maintain a rotating route of the flexible drum.