Patent ID: 6918271

Claim:
An inner tub for a washing machine comprising: an inner tub body in which laundry is received; an inner tub base formed on a lower part of the inner tub body and including a drainage hole through which wash water passes; and an inner tub hub coupled on a lower surface of the inner tub base, including a rotating shaft coupling portion to which a rotating shaft for transmitting a rotating force of a driving motor is coupled, a radial supporting portion extended in an outer boundary direction of the rotating shaft coupling portion with a predetermined gap therebetween, and a ring type supporting portion having a predetermined width in an outer circumferential direction of the radial supporting portion formed integrally, the radial supporting portion of the inner tub being formed as a plate between the outer circumferential surface of the rotating shaft coupling portion and the ring type supporting portion in the circumferential direction with a predetermined interval.