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    • 33. 发明授权
    • Lock spindle blind fastener for single action application
    • 用于单作用应用的锁定主轴盲卡扣
    • US4432679A
    • 1984-02-21
    • US175723
    • 1980-08-06
    • Donald J. AngelosantoJames W. Kendall
    • Donald J. AngelosantoJames W. Kendall
    • F16B19/10F16B13/04
    • F16B19/1054
    • A lock spindle blind fastener to be set with a single action tool where the fastener includes a pin or mandrel, a sleeve and a locking collar; the sleeve has an enlarged head which has a straight counterbore for the initial reception and guiding of the locking collar with the counterbore communicating with a bore portion having an entrant resistance angle for reception of the collar during setting. The entrant resistance angle is selected to be of a magnitude to provide hold-off of the locking collar. The strength of the mandrel and other characteristics of fastener components are related to the force required to deform the locking collar along the entrant resistance angle such that a high strength blind fastener is provided which can be set by a single action tool.
    • 一种锁定主轴盲紧固件,其设置有单个动作工具,其中所述紧固件包括销或心轴,套筒和锁定套环; 套筒具有一个扩大的头部,其具有直的沉孔,用于初始接收和引导锁定环,其中沉孔与具有入口阻力角的孔部分连通,用于在固定期间接收套环。 入口阻力角被选择为大小以提供锁定环的保持。 心轴的强度和紧固件部件的其他特征与沿着入口阻力角使锁定环变形所需的力相关联,使得提供可以由单个动作工具设置的高强度盲卡扣。
    • 38. 发明授权
    • Batting swing trainer and method
    • 蝙蝠摇摆教练和方法
    • US08187124B2
    • 2012-05-29
    • US10407284
    • 2003-04-04
    • John G. CiesarJames W. KendallScott Massing
    • John G. CiesarJames W. KendallScott Massing
    • A63B59/00
    • A63B15/005A63B15/00A63B24/0062A63B59/50A63B60/04A63B69/0002A63B2024/0068A63B2069/0008A63B2071/0625A63B2071/0633A63B2102/18A63B2208/12A63B2220/51
    • A baseball batting swing trainer teaches proper bat swinging and ball hitting technique. The swing trainer includes a first handle attached to the first end of a shaft. The second end of the shaft includes a head having a diameter greater than the shaft diameter and less than the diameter of the head of a conventional baseball bat. A cylindrical second handle slidable between the first and second shaft ends. The second handle is sized to accommodate all five fingers on one of the user's hands in a batting grip. A process for teaching a person the proper technique for swinging a baseball bat using the swing trainer is also provided. When performed properly, the process produces an audible sound by striking the second handle against the stop while the head of the bat is passing through the user's strike zone and directly over the user's forward foot.
    • 棒球殴打摇摆教练教授适当的蝙蝠摆动和击球技术。 摆动训练器包括附接到轴的第一端的第一手柄。 轴的第二端包括直径大于轴直径并小于常规棒球棒头部直径的头部。 一个可在第一和第二轴端之间滑动的圆柱形第二把手。 第二把手的尺寸适合于在击球手柄中的用户手中的一个手上容纳所有五根手指。 还提供了使用摆动训练器教导人们用于摆动棒球的适当技术的过程。 当正确地执行时,该过程通过在蝙蝠的头部穿过使用者的打击区域并且直接在使用者的前脚上方撞击第二把手而抵靠停止物而产生可听见的声音。