Bowling ball
    41.
    发明授权
    Bowling ball 失效
    保龄球

    公开(公告)号:US4121828A

    公开(公告)日:1978-10-24

    申请号:US842566

    申请日:1977-10-17

    申请人: Jay Dee Amburgey

    发明人: Jay Dee Amburgey

    IPC分类号: A63B37/10

    CPC分类号: A63B37/10

    摘要: A solid bowling ball contains a top weight distributed along a weight plane and underlying indicia on the top surface which designates the position of the weight plane. The top weight includes two major masses spaced apart a distance such that the top weight commences and ends within less than 180 degrees of curvature. The top weight offsets the weight loss resulting from forming the finger holes and also produces a gyroscopic stabilizing effect when the ball is rolled along the plane of the top weight.

    摘要翻译: 固体保龄球包含沿重物平面分布的顶部重物和顶表面上的底部标记,其指定重量平面的位置。 顶部重量包括间隔一定距离的两个主要质量,使得顶部重量在小于180度的曲率范围内开始并且结束。 顶部重量抵消由形成手指孔所引起的重量损失,并且当球沿着顶部重量的平面滚动时也产生陀螺稳定效果。

    Toy ball
    42.
    发明授权
    Toy ball 失效
    玩具球

    公开(公告)号:US3874663A

    公开(公告)日:1975-04-01

    申请号:US42948674

    申请日:1974-01-02

    申请人: KAHLE WILLIAM J

    发明人: KAHLE WILLIAM J

    IPC分类号: A63B43/04 A63B37/10 A63B69/40

    CPC分类号: A63B43/04 Y10S273/20

    摘要: A toy ball capable of increasing its own spin velocity so as to achieve a sharply curving trajectory involving a pair of weights mounted in a tube extending from wall to wall inside the ball. Springs urge the weights toward the center of the ball while cords attached to the weights extend outside the ball so the weights may be held in an extended position while throwing the ball.

    摘要翻译: 一种能够增加自身旋转速度的玩具球,以便实现一个急剧弯曲的轨迹,该轨迹包括安装在球内壁上延伸的管中的一对重物。 弹簧将重物朝向球的中心推动,而附接到重物的绳索则延伸到球的外部,使得重量可以在投掷球时保持在延伸位置。