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    • 10. 发明申请
    • DUAL AXLE SKATEBOARD, TRUCK, AND METHOD
    • 双轴滑板,卡车和方法
    • WO2016044081A1
    • 2016-03-24
    • PCT/US2015/049596
    • 2015-09-11
    • KARSTEN MANUFACTURING CORPORATION
    • MARUSIAK, John R.SOLHEIM, John A.COLE, Eric V.
    • A63C17/01
    • A63C17/012A63C17/004A63C17/0093A63C17/014
    • Improved skateboards and methods of obtaining or providing skateboards with improved trucks. Trucks have two axles or axes, two primary wheels, and two secondary wheels, and skateboards have eight wheels, four in front and four at the rear portion of the skateboard. The four primary wheels support most or all of the weight of the skateboard when the skateboard is on a flat surface, and the two secondary wheels support the weight of one portion of the skateboard (e.g., front or rear) when the primary wheels cross a crack (e.g., a sidewalk contraction joint). In various embodiments, the secondary wheels are located outboard of the primary wheels. Further, in a number of embodiments, the axis of rotation or axle of the primary wheels remains parallel to that of the secondary wheels, whether the skateboard is going straight or turning.
    • 改进的滑板和获得或提供改进卡车的滑板的方法。 卡车有两个轴或轴,两个主轮和两个次轮,滑板有八个轮子,四个在前面,四个在滑板的后部。 当滑板位于平坦表面上时,四个主轮支撑滑板的大部分或全部重量,并且当主轮跨越时,两个辅助轮支撑滑板的一部分(例如,前后)的重量 裂缝(例如,人行道收缩接头)。 在各种实施例中,副轮位于主轮的外侧。 此外,在多个实施例中,主轮的旋转轴或轴保持平行于辅助轮的旋转轴,无论滑板是直线还是转动。