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    • 5. 发明授权
    • Billiard/pool cue
    • 台球/泳池线索
    • US6162128A
    • 2000-12-19
    • US825249
    • 1997-03-27
    • Allan McCartySteve Titus
    • Allan McCartySteve Titus
    • A63D15/08A63D15/12A63B67/00
    • A63D15/12A63D15/08
    • A ferrule mounted on one end of a billiard/pool cue shaft has greater compressibility than the compressibility of the shaft to compress on impact of a tip mounted on the ferrule with a ball to absorb a portion of impact forces and to provide easy outward flexure with minimal buckling of the end of the shaft during impact. A bore extends a predetermined distance from the one end of the shaft toward a butt end of the shaft. The bore in the shaft communicates with a bore in the ferrule when the ferrule is mounted on the shaft. The ferrule is mounted on the shaft by means of a tenon formed on one end of the shaft or on the ferrule, which tenon tightly engages the other of the ferrule or shaft. The tip has a smaller than conventional radius to centralize impact forces toward the line of stroke extending along the longitudinal axis of the shaft.
    • 安装在台球/泳池提示轴的一端上的套圈具有比轴的压缩性更高的可压缩性,以便利用球抵抗安装在套圈上的尖端的冲击,以吸收一部分冲击力并提供容易的向外弯曲, 碰撞期间轴的端部最小屈曲。 孔从轴的一端延伸到轴的对接端延伸预定距离。 当套圈安装在轴上时,轴中的孔与套圈中的孔连通。 套圈通过形成在轴的一端或套圈上的榫头安装在轴上,该榫头紧密地接合套管或轴中的另一个。 尖端具有小于常规半径的中心以将冲击力集中到沿着轴的纵向轴线延伸的行程线上。
    • 6. 发明授权
    • Billiard cue
    • 台球提示
    • US06110051A
    • 2000-08-29
    • US200244
    • 1998-11-25
    • Allan McCartySteve Titus
    • Allan McCartySteve Titus
    • A63D15/08A63D15/12G11B5/00G11B5/012G11B5/035
    • G11B5/012A63D15/08A63D15/12G11B5/035G11B2005/0013
    • A billiard cue includes a shaft having a hollow bore extending from at least a predetermined distance from a first end toward a second end. The bore forms an outer wall in the shaft having a thickness between about 0.03 and 0.05 inches. The shaft is preferably formed of a composite material consisting of fibers in a binder, such as carbon fibers in an epoxy resin. The shaft material has a modulus of elasticity of at least 4.3.times.10.sup.6 psi. The bore extending from the first end of the shaft, the thin wall thickness of the shaft adjacent to the first end and the material forming the shaft combine to decrease the mass of the tip end of the shaft while maintaining substantially all of the stiffness of a conventional shaft formed of a hard maple to minimize buckling of the tip end of the shaft and thereby substantially decrease deflection of the cue ball from its intended path of movement along a path parallel to the stroke axis of the shaft.
    • 台球提示包括具有从第一端至第二端至少预定距离延伸的中空孔的轴。 该孔在轴中形成厚度在约0.03和0.05英寸之间的外壁。 轴优选由由粘合剂中的纤维构成的复合材料形成,例如环氧树脂中的碳纤维。 轴材料的弹性模量至少为4.3×10 6 psi。 从轴的第一端延伸的孔,与第一端相邻的轴的薄壁厚度和形成轴的材料组合以减小轴的顶端的质量,同时保持基本上所有的刚度 传统的轴由硬枫木形成,以最小化轴的顶端的弯曲,从而基本上减小球杆从其预期的运动路径沿着平行于轴的行程轴线的路径的偏转。