Patent ID: 8256248

Claim:
A rotating tub body, comprising: a cylindrical tub member constructed of a plate formed into a cylindrical shape, the cylindrical tub member including a plurality of lifter installation sections and a plurality of indented sections provided between the lifter installation sections, each of the indented sections including a plurality of indentations with holes; lifters installed on an inner peripheral surface of the plurality of lifter installation sections of the cylindrical tub member and spaced apart from each other; a front cover installed on a front edge portion of the cylindrical tub member; and a rear cover installed on a rear edge portion of the cylindrical tub member, wherein first reinforcement recessed sections are provided on a frame of the cylindrical tub member axially outward of the lifter installation sections such that at least a portion of the first reinforcement recessed sections extends parallel to a first outer rim portion of the cylindrical tub member and is located between the first outer rim portion of the cylindrical tub member and the lifter installation sections, and wherein the first reinforcement recessed sections have no through-holes.