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    • 8. 发明授权
    • Exercise tool
    • 锻炼工具
    • US08152697B2
    • 2012-04-10
    • US12925140
    • 2010-10-13
    • Shigeki Wakuda
    • Shigeki Wakuda
    • A63B21/00
    • A63B23/14A63B21/0004A63B21/00043A63B21/00061A63B21/023A63B21/0428A63B21/0435A63B21/0455A63B21/0552A63B21/0557A63B21/4049A63B2023/003
    • An exercise tool is provided to ensure a good degree of freedom in the direction of movement of the wrists and allows the magnitude of the load applied to the wrists during the exercise to be changed easily so as to enable more effective strengthening of the deep muscles. The exercise tool has a first rod body 10 and a second rod body 20 which are rotatable in opposite directions and also movable away from each other against the biasing force of a coil spring 70. Ring-shaped latch portions 71 and 72 provided at respective ends of the coil spring 70 are removably latched by first and second elastic-member latch bodies 50 and 60, respectively, so that the coil spring 70 can readily be replaced with another coil spring 70 having a different elastic force, thereby facilitating changing the magnitude of the load applied during the wrist exercise.
    • 提供了一种运动工具,以确保手腕运动方向上的良好自由度,并且允许在运动期间施加到手腕的负载的大小容易地改变,以便能够更有效地加强深部肌肉。 运动工具具有第一杆体10和第二杆体20,该第一杆体10和第二杆体20能够相对于螺旋弹簧70的偏压力相反方向旋转并且还能相互远离地移动。环形闩锁部分71和72设置在各自的端部 螺旋弹簧70分别由第一和第二弹性构件闩锁体50和60可拆卸地锁定,使得螺旋弹簧70可以容易地用具有不同弹力的另一螺旋弹簧70代替,从而有助于改变螺旋弹簧70的大小 手腕运动期间施加的负荷。