| 摘要 |
PROBLEM TO BE SOLVED: To provide a quiet and safe slipper which solve the inconvenience occurring at the time of walking with wearing the slipper that the heel part separates from the foot to strike a floor and shifts from the foot to be hard to walk. SOLUTION: A leaf spring for raising the heel part is attached to the sole of the slipper. COPYRIGHT: (C)2007,JPO&INPIT
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