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    • 6. 发明授权
    • Arrow rest assembly
    • 箭头休息组装
    • US5065731A
    • 1991-11-19
    • US555836
    • 1990-07-23
    • Bill Smith
    • Bill Smith
    • F41B5/22
    • F41B5/143
    • An arrow rest assembly includes a mounting bracket for mounting to a bow. A rest arm is mounted on a spatially fixed lateral shaft that aids in supporting and positioning the rest arm. The rest arm is adapted to be laterally adjusted along the shaft. The assembly further includes an angular adjustment screw that cooperates with the rest arm to angularly position the arrow supported by the rest arm for proper flight trajectory upon firing. In one embodiment, the lateral shaft is threaded to mate with a threaded hole in the rest arm. A lateral adjustment knob is rotated to rotate the shaft and thus move the rest arm laterally along the shaft due to the cooperating threaded engagement. The angular adjustment screw is atached directly to the rest arm and engages a bottom plate of the assembly. In another embodiment, the lateral shaft has a V-shaped slot for receiving a securing screw attached to the rest arm. An elevation adjustment arm is attached to the shaft and pivotably engages the elevation adjustment screw. The shaft and rest arm thus rotate in response to the pivotal motion of the elevation adjustment arm. A biasing spring urges the rest arm back to an established support position when it deflects away from the arrow flight path following release from the bowstring.
    • 箭头休息组件包括用于安装到弓的安装支架。 休息臂安装在空间固定的侧轴上,有助于支撑和定位静止臂。 其余的臂适于沿轴横向调节。 组件还包括角度调节螺钉,其与静止臂配合,以在由发射时适当的飞行轨迹角度地定位由休息臂支撑的箭头。 在一个实施例中,横向轴被螺纹连接以与其余臂中的螺纹孔配合。 旋转侧向调节旋钮以使轴旋转,从而由于配合的螺纹接合而沿着轴横向移动静止臂。 角度调节螺钉直接固定在其余的臂上并与组件的底板接合。 在另一个实施例中,横向轴具有V形槽,用于接收附接到其余臂的固定螺钉。 升降调节臂安装在轴上,可枢转地接合升降调节螺钉。 轴和静止臂因此响应于仰角调节臂的枢转运动而旋转。 当偏离弹簧从弓弦松开释放之后,当偏转弹簧偏离箭头飞行路径时,偏置弹簧促使其余臂回到已建立的支撑位置。