| 摘要 |
PROBLEM TO BE SOLVED: To provide a small-sized rotating-drum mat washing machine which is suited to wash a mat elastic even in a bending direction, facilitates insertion of the mat into a rotating drum, and prevents displacements of the mat and the unbalance of the rotating drum from being caused during washing. SOLUTION: The rotating drum 3 of the washing machine is equipped with a bi-cylindrical structure composed of outer and inner cylinders 7 and 8; and the inner cylinder 8 is eccentric with respect to the outer cylinder 7. The rotating drum 3 is rotated about a shaft center of the outer cylinder 7. A radial gap for inserting the mat, which is located between the inner and outer cylinders 8 and 7, is made narrow on an eccentric side 14 and made wide on an anti- eccentric side. The vicinities of both ends of the mat, which is to be kept in a straight state, are inserted into a widened part at the insertion of the mat, so that the mat can be easily inserted without the need to forcedly bend the ends of the mat. A balance member 15 is provided on the anti-eccentric side of the inner cylinder 8, so that the unbalance, which is caused by eccentricity of the inner cylinder 8, can be equalized. A stopper for preventing the circumferential displacements of the mat in the rotating drum 3 is provided to be capable of serving as the balance member 15.
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