Pivoted energy-return shoe system

作者:Stephen Perenich 刊名: 上传者:黄辉
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【摘要】An energy-return shoe system includes a shoe portion with an upper plate affixed to its bottom surface. A shaft runs longitudinally along a lower sole and the shaft is rotatable along its axis. Hinges interface between the upper plate and the shaft. At least two of the hinges close in a first direction and at least one of the hinges close in the opposite direction. Each of the hinges has a first hinge arm connected to a second hinge arm by a middle pivot. A distal end of the first hinge arm is pivotally connected to the upper plate and a distal end of the second hinge arm is pivotally connected to the shaft. A first rigid coupling pivotally connects the middle pivots of the at least two hinges arranged to close in the first direction and a second rigid coupling slidably interfaces with the first rigid coupling and pivotally connects the middle pivots of the at least one hinge arranged to close in the opposite direction such that the middle pivots of the at least two hinges arranged to close in the first direction and the middle pivots of the at least one heel hinge arranged to close in the opposite direction are held in horizontal synchronization with the upper plate and the upper plate is held in horizontal synchronization with the lower sole.

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