| 摘要 |
PROBLEM TO BE SOLVED: To provide a chair suitable for use in an office or the like and accelerating the flow of blood or body fluids to the region under a knee. SOLUTION: The chair 1 is equipped with a seat 2 attached to legs 7 rotatable left and right and the moving means 30 attached to the legs 7 and vibrators 31 are incorporated in the seat 2 at positions 33 for supporting the femoral region of one who is seated on the seat 2.
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