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    • 1. 发明授权
    • Foldable wheelchair and axle plate therefor
    • 可折叠的轮椅和轴板
    • US07360781B2
    • 2008-04-22
    • US11246935
    • 2005-10-07
    • Philip H. SchreiberMichael KnopfErrol MarkleinSteven L. Lindquist
    • Philip H. SchreiberMichael KnopfErrol MarkleinSteven L. Lindquist
    • B62M1/14
    • A61G5/10A61G5/08A61G5/0825A61G5/1054A61G5/1067A61G5/1097A61G5/128
    • A foldable wheelchair comprises a substantially horizontally extending upper side frame member. An upper end of an axle plate is secured to the upper side frame member. An axle housing is secured to the axle plate. A cross brace is pivotally secured directly to the axle plate at the lower end of the axle plate. A wheel mount assembly comprises an axle sleeve mount having an internal thread. An axle sleeve has an external thread that is in threaded engagement with the internal thread of the axle sleeve mount. The axle sleeve has an internal bore that accepts a wheel axle. The internal bore is angled with respect to the axis of the external threads to provide camber to a wheel. The axle sleeve is adapted to provide lateral adjustment to the wheel by rotating the axle sleeve within the axle sleeve mount any number of complete revolutions. Moreover, the axle sleeve is adapted to provide toe in and toe out adjustment to a cambered wheel by rotating the axle sleeve within the axle sleeve mount a fraction of a complete revolution.
    • 可折叠轮椅包括大致水平延伸的上侧框架构件。 轴板的上端固定在上侧框架件上。 轴壳体固定到轴板上。 横梁在轴板的下端直接枢转固定在轴板上。 轮安装组件包括具有内螺纹的轴套安装件。 轴套具有与轴套安装件的内螺纹螺纹接合的外螺纹。 轴套有一个可以接受轮轴的内孔。 内孔相对于外螺纹的轴线成角度,以向车轮提供弯度。 轴套适于通过使轴套内的轴套旋转安装任何数量的整转而向车轮提供侧向调节。 此外,轴套适于通过使轴套内的轴套旋转安装一整圈的一部分来提供脚趾并弯曲到弧形轮的调节。