PROBLEM TO BE SOLVED: To easily perform medical bags attaching and detaching work by capable of holding surely a leg part.;SOLUTION: The leg part 11 is formed by molding a synthetic resin or processing a steel material and has leg frames 12 expanded in diagonal line directions of a pentagon and a support attaching part 13 having a structure integrated with the base parts of the leg frames 12. Each of the leg frames 12 has a straight part 12a linearly extending from the intermediate region of each leg frame to the place near to the base part thereof and a leading end stepped part 12b formed from the intermediate region of each leg frame to the leading end thereof at a position higher than the straight part 12a and a castor 2' is attached to the leading end stepped part 12b. An almost fan-shaped fixed stepping part 14 is provided to the part between the straight parts 12a and 12a of the adjacent leg frames 12 and 12 among the leg frames 12.;COPYRIGHT: (C)2003,JPO
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