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    • 31. 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。
    • 34. 发明申请
    • VARIABLE DENSITY GOLF CLUB GRIPS
    • 可变密度高尔夫俱乐部
    • WO2014116539A1
    • 2014-07-31
    • PCT/US2014/012199
    • 2014-01-20
    • KARSTEN MANUFACTURING CORPORATION
    • JERTSON, MartinSTOKKE, RyanNICOLETTE, Michael
    • A63B53/14
    • A63B60/00A63B53/14A63B60/16
    • Embodiments of golf club grips and methods to manufacture such golf club grips are generally described herein. In some embodiments, the golf club grip may include a hollow grip body associated with a longitudinal axis and a density that smoothly varies along the longitudinal axis to achieve a predetermined swing weight when a golf club shaft is received within the hollow grip body. In other embodiments, golf club grips comprise a hollow grip body including no more than two sections along the longitudinal axis. A first section is associated with a first density, a second section is associated with a second density, and the first density is less than the second density to achieve a predetermined swing weight when the golf club shaft is received within the hollow grip body.
    • 高尔夫球杆夹具的实施例和制造这种高尔夫球棒把手的方法一般在此描述。 在一些实施例中,高尔夫球杆手柄可以包括与纵向轴线相关联的中空抓握体,以及当高尔夫球杆杆轴被容纳在中空手柄主体内时沿着纵向轴线平滑变化以达到预定摆动重量的密度。 在其他实施例中,高尔夫球杆夹具包括中空的抓握体,其包括沿着纵向轴线不超过两个部分。 第一部分与第一密度相关联,第二部分与第二密度相关联,并且第一密度小于第二密度以在高尔夫球杆轴接收在中空抓握体内时获得预定的摆动重量。