| 摘要 |
PROBLEM TO BE SOLVED: To adjust the position of a knee top to the bending part of a body positionally different in accordance with the physical constitution of a user. SOLUTION: Roller receivers 6 are provided on the side of the rear surfaces of strip bottom members 5 constituting a curved bottom 1b. On the rear surface side of a leg bottom 1c, a slide hardware 10 consisting of a U-shaped axis member which restrains some of the members 5 to the side of the bottom 1b by moving back and forth stepwise to adjust the curved center place of the bottom 1b (a place a knee back is applied), is provided. |
