| 摘要 |
<p>PROBLEM TO BE SOLVED: To suite the bending position of a floor part with the body of a user in spite of the physique of the user. SOLUTION: The floor part is divided into a knee floor 11 corresponding to knees and a leg floor 12 corresponding to legs, and the knee floor 11 and the leg floor 12 are let rise while being interlocked. The knee floor 11 is divided into a 1st and a 2nd knee floors 11a and 11b, a slide shaft body 15 is provided for selectively restraining either a 1st hinge 13 or a 2nd hinge 14 on the 2nd knee floor 11b adjacent to the leg floor 12 between the 1st and the 2nd knee floors 11 and 11b, and the 2nd knee floor 11b is let rise while being interlocked with either the adjacent 1st knee floor 11a or the leg floor 12.</p> |
