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    • 4. 发明授权
    • Athletic shoe sole
    • 运动鞋底
    • US4670997A
    • 1987-06-09
    • US592937
    • 1984-03-23
    • Stanley Beekman
    • Stanley Beekman
    • A43B13/22A43B13/04
    • A43B13/223
    • A shoe having a sole for facilitating rotation about an axis of rotation normal to the sole in response to the application of a moment about the axis of rotation. The sole contains flexible engagement means which comprises: flexible members radially spaced from the axis of rotation and guide means for impeding the flexing of the flexible members in response to forces which do not create moments about the axis of rotation, while allowing flexing of the flexible members in response to forces which do create moments about the axis of rotation.
    • 响应于围绕旋转轴线施加力矩,鞋具有用于促使围绕垂直于鞋底的旋转轴旋转的鞋底。 鞋底包含柔性接合装置,其包括:与旋转轴线径向间隔开的柔性构件和引导装置,用于响应于不会绕旋转轴线产生力矩的力而阻碍柔性构件的弯曲,同时允许柔性 成员响应于确实创造关于旋转轴线的时刻的力量。