| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a keeper which can be easily put on/off, has good fitting feeling, is deformed corresponding to the curve of a hand or a foot and easily used, and manufactured at low cost. SOLUTION: A unit 4 with protrusions 5 on the surface and a unit 7 with dents 6 are covered by a cover 8. Air is sucked/discharged through an air port 11 formed on the cover to control the engaging condition of protrusions and dents of both units to change the rigidity between units.</p> |
