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    Racquetball racquet having increased stiffness at tip
    1.
    发明授权
    Racquetball racquet having increased stiffness at tip 失效
    壁球球拍在尖端具有增加的刚度

    公开(公告)号：US5470061A

    公开(公告)日：1995-11-28

    申请号：US267448

    申请日：1994-06-28

    申请人： Todd B. Colburn ,  John F. Lorentzen

    发明人： Todd B. Colburn ,  John F. Lorentzen

    IPC分类号： A63B49/02

    CPC分类号： A63B49/02 ,  A63B2049/0203 ,  A63B2049/0204 ,  A63B2049/0207 ,  A63B2049/0211 ,  A63B2049/0212

    摘要： Racquetball racquet having a frame forming a head and a handle characterized by a side profile comprising two intersecting arcs having different radii of curvature and intersecting at a point of intersection which is in the region of but above the throat of the racquet. These two arcs define two oppositely tapered frame segments. The first frame segment extends from the tip of the racquet, where the frame height is at a maximum, to the point of intersection, where the frame height is at a minimum. The second frame segment extends from the handle, at or below the throat, to the point of intersection. The arc defining the first segment is of much larger radius of curvature than the arc defining the second segment. This affords a maximum frame cross-sectional area at the tip and a smaller frame cross-sectional area in a flex zone which includes the point of intersection. The resulting racquet has a greater stiffness moment at the tip and a smaller stiffness in the flex zone which may afford more power and greater control.

    摘要翻译： 具有形成头部的框架和手柄的壁球球拍，其特征在于侧面轮廓包括具有不同曲率半径的两个相交的弧线，并且在与球拍的喉部之间的交叉点相交。 这两个弧定义两个相对锥形的框架段。 第一框架段从框架高度最大的球拍尖端延伸到帧高度最小的交点。 第二框架段从手柄处，在喉部处或下方延伸到交叉点。 限定第一段的电弧比限定第二段的电弧的曲率半径大得多。 这提供了尖端处的最大框架横截面面积和包括交点的柔性区域中较小的框架横截面积。 所得到的球拍在尖端处具有更大的刚度并且在柔性区域中具有较小的刚度，其可以提供更多的功率和更大的控制。

    Racquet stringing machine
    2.
    发明授权
    Racquet stringing machine 失效
    球拍打弦机

    公开(公告)号：US5568921A

    公开(公告)日：1996-10-29

    申请号：US142687

    申请日：1993-10-26

    申请人： John F. Lorentzen ,  Todd B. Colburn ,  Ray Mortvedt

    发明人： John F. Lorentzen ,  Todd B. Colburn ,  Ray Mortvedt

    IPC分类号： A63B51/14

    CPC分类号： A63B51/14

    摘要： An improved racquet stringing machine having a new table featuring a built-in glide bar groove, an improved string clamp, a new tip riser having integrated, threaded height adjustment, an adjustable throat riser carried by an internal sliding bar having improved position lock, and machine height adjustment by a foot operated mechanism.

    摘要翻译： 一种改进的球拍穿线机具有新的桌子，其具有内置的滑动条槽，改进的线夹，具有集成的螺纹高度调节的新的尖端提升器，由具有改进的位置锁定的内部滑动杆承载的可调喉管提升器，以及 机器高度由脚踏操作机构调节。

    Movable weights for a golf club head
    3.
    发明申请
    Movable weights for a golf club head 有权
    高尔夫球杆头的活动重物

    公开(公告)号：US20080280698A1

    公开(公告)日：2008-11-13

    申请号：US12002003

    申请日：2007-12-12

    申请人： Joseph H. Hoffman ,  Kraig A. Willett ,  Todd P. Beach ,  John F. Lorentzen ,  Allan C. Saliba

    发明人： Joseph H. Hoffman ,  Kraig A. Willett ,  Todd P. Beach ,  John F. Lorentzen ,  Allan C. Saliba

    IPC分类号： A63B53/06

    CPC分类号： A63B53/0466 ,  A63B60/02 ,  A63B2053/0412 ,  A63B2053/0416 ,  A63B2053/0433 ,  A63B2053/045 ,  A63B2053/0458 ,  A63B2053/0491

    摘要： Embodiments of movable weights, such as weight assemblies and weight screws, for a golf club head are disclosed herein. One embodiment for a weight assembly, for example, comprises a mass element having a first end, a second end and a sidewall extending between the first end and the send end. The sidewall of the mass element defines a first bore extending through the mass element and at least a portion of the sidewall of mass element tapers in a direction from the first end to the second end. This embodiment further includes a retaining element configured to engage the first bore adjacent the first end of the mass element and defining a second bore. The weight assembly further includes an elongate fastener having a first end configured to be received within the second bore of the retaining element and a second end extending through the first bore and beyond the second end of the mass element when the mass element, retaining element and fastener are assembled together.

    摘要翻译： 本文公开了用于高尔夫球杆头的可移动重物，例如重量组件和重量螺钉的实施例。 例如，重量组件的一个实施例包括质量元件，其具有在第一端和发送端之间延伸的第一端，第二端和侧壁。 质量元件的侧壁限定延伸穿过质量元件的第一孔，并且质量元件的侧壁的至少一部分在从第一端到第二端的方向上逐渐变细。 该实施例还包括保持元件，该保持元件构造成接合邻近质量元件的第一端并限定第二孔的第一孔。 所述配重组件还包括细长紧固件，其具有构造成被容纳在所述保持元件的所述第二孔内的第一端和延伸穿过所述第一孔并且超过所述质量元件的所述第二端的第二端，当所述质量元件，保持元件和 紧固件组装在一起。