To reduce the weight of a basket to be taken out so as to take it out easily when a washing tank is cleaned in a washer provided with a lower basket and an upper basket in the washing tank.

A lower basket 23 is supported by a basket support part so as to mount and dismount it easily and an upper basket 24 is held in a hold part for an upper basket 42 of a mounting frame 6 so as to mount and dismount it freely in a washing tank 4. A storage part 41 of the upper basket 24 is constituted in such a way that it can turn between a use position and a retraction position. When a bottom part of the washing tank 4 is cleaned, the lower basket 23 only can be taken out to the outside through an inlet and outlet port 8 in a state in which the storage part 61 of the upper basket 24 is moved to the retraction position and is left in the washing tank 4. Moreover, the lower basket 23 may be hooked on a hold part for the lower basket 43 of the mounting frame 6 to hold it.