| 摘要 |
PROBLEM TO BE SOLVED: To provide footwear to make walking easier and more efficient. SOLUTION: The bottom of the footwear is divided into at least two portions corresponding to a bending part of the sole when a walker is walking, and bendably connected to each other. The thickness of the portion on the heel side is thicker than that on the toe side, and the bending part is bent with the weight of the walker by means of the action of a lever with the stepped corner part as the fulcrum, so that the center of gravity is instantly dislocated forward the bottom of the footwear to push the heel upward. As a result, the heel kicking action is not necessary and the power necessary for walking can be significantly reduced. COPYRIGHT: (C)2006,JPO&NCIPI
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