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    • 7. 发明授权
    • Compound bow with high limb preload
    • 复合弓与高肢预负荷
    • US07891349B1
    • 2011-02-22
    • US12042414
    • 2008-03-05
    • David H. KronengoldAllen C. RasorKevin Hansen
    • David H. KronengoldAllen C. RasorKevin Hansen
    • F41B5/10
    • F41B5/10
    • A compound archery bow having a riser and first and second limbs secured to and extending from opposite ends of the riser, each limb having an axel to support a wheel or cam; the limbs have a limb tip angle measured from an unstrung or unflexed limb position to a flexed position at brace height of at least 65° and preferably 75° or more. The bow has an axel-to-axel distance percentage change from an unstrung or unflexed condition to a brace condition of at least 20%. The limbs exhibit a limb tip angle percentage change from brace height to full draw condition of 25% or less of the total limb tip change from unflexed to full draw while the limb tip measured from an unstrung condition to a flexed condition at full draw is at least 80° and preferably 100° or more.
    • 复合射箭弓具有提升管,第一和第二肢固定到提升管的相对端并从其提升,每个肢体具有支撑轮或凸轮的轴; 肢体具有从未受刺或未弯曲的肢体位置到支架高度的至少65°,优选为75°或更大的弯曲位置测量的肢体尖角。 弓具有从无或非弯曲状态到至少20%的支撑条件的轴对轴距离百分比变化。 肢体表现出从支架高度到全牵引状态的肢体尖角变化百分比,从总体肢体尖端变化到非牵引到全部牵引的25%或更小,而从未受力状态到完全牵引时的弯曲状态测量的肢体尖端在 至少80°,优选为100°以上。
    • 8. 发明申请
    • Compact Winding Mechanism for Crossbow
    • 弩的紧凑绕组机构
    • US20100170488A1
    • 2010-07-08
    • US12350131
    • 2009-01-07
    • Allen C. RasorDavid H. KronengoldKevin Hansen
    • Allen C. RasorDavid H. KronengoldKevin Hansen
    • F41B5/12F41B5/18
    • F41A19/12F41A11/02F41B5/123F41B5/1469F41C23/00
    • A crossbow includes an elongated frame coupled to a riser at a first end thereof and attached to an upper housing at its second end generally above the trigger region. The riser supports a pair of flexible limbs, and a bowstring extends between such limbs. A bowstring retractor is provided within the upper housing and includes a rope spool used to wind a retractor rope for retracting the bowstring. First and second spool gears surround the rope spool for rotation therewith. A spur gear mounted on a drive axle engages one of the spool gears, and a crank can be engaged with the drive axle. A pawl engages the other spool gear to prevent unintentional unwinding of the retractor rope from the rope spool. A pawl release member disengages the pawl from its associated spool gear. Drawing the bowstring beyond its full draw position also disengages the pawl.
    • 弩包括在其第一端连接到提升管的细长框架,并且在其第二端处大致在触发区域的上方附接到上壳体。 提升管支撑一对柔韧的肢体,并且弓弦在这种肢体之间延伸。 弓弦收缩器设置在上壳体内,并且包括用于卷绕牵引绳索以缩回弓弦的绳卷轴。 第一和第二卷轴齿轮环绕着绳卷轴与其一起旋转。 安装在驱动轴上的正齿轮接合一个卷轴齿轮,并且曲柄可与驱动轴接合。 棘爪与另一个卷轴齿轮接合,以防止牵引绳从绳索卷轴无意地展开。 棘爪释放构件使棘爪与其相关联的卷轴齿轮脱离。 将弓弦拉伸超过其完整的绘制位置也可以使棘爪脱离。
    • 10. 发明授权
    • Compound bow with high limb preload
    • 复合弓与高肢预负荷
    • US07699045B1
    • 2010-04-20
    • US12433338
    • 2009-04-30
    • David H. KronengoldAllen C. RasorKevin Hansen
    • David H. KronengoldAllen C. RasorKevin Hansen
    • F41B5/10
    • F41B5/10
    • A compound archery bow having a riser and first and second limbs secured to and extending from opposite ends of the riser, each limb having an axle to support a wheel or cam; the limbs have a limb tip angle measured from an unstrung or unflexed limb position to a flexed position at brace height of at least 65° and preferably 75° or more. The bow has an axle-to-axle distance percentage change from an unstrung or unflexed condition to a brace condition of at least 20%. The limbs exhibit a limb tip angle percentage change from brace height to full draw condition of 25% or less of the total limb tip change from unflexed to full draw while the limb tip measured from an unstrung condition to a flexed condition at full draw is at least 80° and preferably 100° or more.
    • 复合射箭弓具有提升器,第一和第二肢固定到提升管的相对端并从其延伸,每个肢体具有支撑轮或凸轮的轴; 肢体具有从未受刺或未弯曲的肢体位置到支架高度的至少65°,优选为75°或更大的弯曲位置测量的肢体尖角。 弓具有从非整体状态或未弯曲状态到至少20%的支撑条件的轴对轴距离百分比变化。 肢体表现出从支架高度到全牵引状态的肢体尖角变化百分比,从总体肢体尖端变化到非牵引到全部牵引的25%或更小,而从未受力状态到完全牵引时的弯曲状态测量的肢体尖端在 至少80°,优选为100°以上。