PROBLEM TO BE SOLVED: To permit the selection of standing posture and seating posture by user by providing a base and an elevating framework fitted to the base freely to be elevated in the vertical direction, and providing a seat part at an intermediate part of the elevating framework, and horizontally providing a step plate part at a lower part of the elevating framework.;SOLUTION: This stage difference eliminating machine 1 is provided with a base 2 and an elevating framework 3 fitted to the base 2 freely to be moved in the vertical direction. A seat part 4 is fitted to the inside of the elevating framework 3 freely to be slid around the axis center, and the seat part 4 can be horizontally expanded and folded upward in the vertical direction. Furthermore, armrests 6 are fitted to the outside of the elevating framework 3 in right and left freely to be rocked around the axis center, and these armrests 6 can be horizontally expanded and folded upward in the vertical direction. A step plate part 5 is fixed to the top surface of a support 10 horizontally provided in front of a lower part of the elevating framework 3.;COPYRIGHT: (C)2001,JPO
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