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    • 85. 发明授权
    • Tennis serve training devices, systems and methods
    • 网球训练装置,系统和方法
    • US08808116B2
    • 2014-08-19
    • US13136647
    • 2011-08-05
    • Lisa Dodson
    • Lisa Dodson
    • A63B69/38A63B15/00A63B59/00A63B71/06A63B69/36A63B63/08
    • A63B69/385A63B15/005A63B60/08A63B60/10A63B60/12A63B63/08A63B69/3667A63B2071/0694A63B2210/50A63B2225/09A63B2225/093
    • A tennis skill training device comprising a substantially planar foot placement platform platform having foot placement graphics disposed thereon, the foot placement graphics consisting of a first stance position representing right and left foot positions for a right-handed player proximate a first court position, a second stance position representing right and left foot positions for a right-handed player proximate a second court position, and a first toss target representing a first forward foot post-stroke position for the right-handed player. In some embodiments, the graphics include a third stance position representing right and left foot positions for a left-handed player proximate the first court position, a fourth stance position representing right and left foot positions for the left-handed player proximate the second court position, and a second toss target representing a first forward foot post-stroke position for the left-handed player.
    • 一种网球技能训练装置,包括一个基本上平面的足部放置平台平台,其上放置有脚部放置图形,脚部放置图形由第一姿态位置组成,第一姿态位置表示靠近第一场地位置的右撇子玩家的右脚位置和左脚位置, 表示靠近第二法院位置的右撇子玩家的右脚位置和左脚位置的姿态位置,以及代表右撇子玩家的第一向前脚卒中位置的第一折叠目标。 在一些实施例中,图形包括表示靠近第一法院位置的左撇子玩家的右脚位置和左脚位置的第三姿态位置,表示靠近第二法院位置的左撇子玩家的右脚位置和左脚位置的第四姿势位置 ,以及代表左手玩家的第一个向前脚后冲程位置的第二个折叠目标。
    • 87. 发明授权
    • Jump rope handle exercise device
    • 跳绳手柄运动装置
    • US08075455B2
    • 2011-12-13
    • US11846307
    • 2007-08-28
    • Ricardo GamboaPeter T. Garcia
    • Ricardo GamboaPeter T. Garcia
    • A63B5/20A63B15/00
    • A63B5/20
    • A rope-less jump rope exercise device includes a handle and a flexible, elongated lash having a first end associated with the handle and a second end. A ball-and-socket assembly interconnects the first end of the lash and the handle in order to provide rotary movement of the lash relative to the handle in all directions. The handle, lash and ball-and-socket assembly form one half of a pair of identical jump rope exercise assemblies which jointly comprise the jump rope exercise device. Alternatively, a rope-less jump rope exercise device includes a handle defining an inner cavity and a flexible, elongated lash having a first end at partially disposed within the inner cavity and a second end. A spring disposed within the inner cavity is configured to interconnect the handle and the lash and resist movement of the lash out of the inner cavity.
    • 无绳跳绳运动装置包括手柄和柔性细长的睫毛,其具有与手柄相关联的第一端和第二端。 球窝组合件将睫毛的第一端和手柄相互连接,以便在所有方向上提供睫毛相对于把手的旋转运动。 手柄,间隙和球窝组件形成了一对相同的跳绳运动组件的一半,它们共同地包括跳绳运动装置。 或者,无绳跳绳训练装置包括限定内腔的手柄和柔性的细长的睫毛,其具有部分地设置在内腔内的第一端和第二端。 设置在内腔内的弹簧被配置成互连手柄和睫毛,并阻止睫毛移出内腔。
    • 88. 发明申请
    • Shark deterrent device
    • 鲨鱼威慑装置
    • US20080076582A1
    • 2008-03-27
    • US11812595
    • 2007-06-20
    • Jacques ChauvetDavid Conroy
    • Jacques ChauvetDavid Conroy
    • A01K81/00A63B15/00A63B59/00
    • A01K79/02F41B15/022F41B15/027
    • A shark deterrent device is disclosed. The device comprises at least two hollow cylindrical shafts, a tip, a twist-release mechanism, and at least one self-lock mechanism. The tip may be replaceable. The shark deterrent device is a retractable unit that is easy for a diver to carry and stow, and yet can be extended in order to deter a shark. The device is unlocked from its retracted position by twisting a collar, thereby unlocking the concentric shafts and allowing the unit to be fully extendable by hand. Once the unit is fully extended, a self-lock mechanism lock the unit to prevent it from retracting during use. The unit has a handle formed at one end of the outermost cylindrical shaft and a tip at the opposing end of the innermost cylindrical shaft. The tip may be replaceable and removed, and other useful tips may be attached.
    • 公开了一种鲨鱼威慑装置。 该装置包括至少两个中空圆柱形轴,尖端,扭转释放机构和至少一个自锁机构。 尖端可以是可更换的。 鲨鱼威慑装置是一个可伸缩的装置,容易使潜水员携带和收起,而且可以延伸以防止鲨鱼。 该装置通过扭转一个轴环从其缩回位置解锁,从而解锁同心轴,并使该单元能够用手完全伸展。 一旦设备完全伸展,自锁机构就可锁定设备,以防止在使用过程中其退回。 该单元具有形成在最外圆柱形轴的一端处的手柄和在最内圆柱形轴的相对端处的尖端。 尖端可以是可更换和移除的,并且可以附加其它有用的尖端。