Patent ID: 8544188

Claim:
A laundry machine, comprising: a main body having an inner space formed therein; a support body arranged in the main body to form a frame of the main body; a flexible drum having an open front face and an open rear face, wherein the flexible drum is rotatably arranged on the support body so as to have a non-circular cross-section; rotation guides arranged between the support body and the flexible drum, and contacting the flexible drum so as to rotate and support the flexible drum while maintaining the non-circular cross-section of the flexible drum as the flexible drum rotates; and a drum driving device installed to rotate the flexible drum, wherein each rotation guide comprises: at least one rolling part rotatably installed on the support body so as to maintain rolling contact with an inner surface of the front end or the rear end of the flexible drum and exert an outward force on the flexible drum; and an installation part fixed to the support body such that the at least one rolling part is rotatably installed in the installation part, wherein the drum driving device comprises: a driving motor installed in the inner space of the main body and generating a driving force; a driving pulley connected to a rotary shaft of the driving motor and rotating in response to the driving force generated by the driving motor; and a rotary belt wound on the driving pulley and an outer circumferential surface of the flexible drum, wherein the rotary belt transmits the driving force of the driving motor to the flexible drum to rotate the flexible drum.