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209 条记录 (耗时 0.011 秒)

    Football passer
    61.
    发明授权
    Football passer 失效
    足球传球手

    公开(公告)号：US3926170A

    公开(公告)日：1975-12-16

    申请号：US40449773

    申请日：1973-10-09

    申请人： INDIAN HEAD INC

    发明人： DIXON JACK R

    IPC分类号： A63B69/40 ,  F41B3/04

    CPC分类号： A63B69/408 ,  A63B2069/402 ,  A63B2243/007

    摘要： A mechanical football passer comprises a throwing arm mounted adjacent one end on a frame for pivotal movement and equipped at its free end with a ring-like ball holder. A mechanical timer provides a time delay release of the throwing arm. The throwing arm is pivotally propelled in a generally horizontal plane by two springs and provides a ''''follow-through'''' action, rather than being stopped short. The football is propelled from the throwing arm by centrifugal and tangential forces resulting from this pivotal motion. The ball holder includes an adjustable stop which imparts rotation to the ball (to produce a spiral pass) and determines the direction of flight.

    摘要翻译： 机械足球传球包括一个相邻一端安装在框架上用于枢转运动的投掷臂，并在其自由端装有一个环形球保持器。 机械定时器提供投掷臂的延时释放。 投掷臂在大致水平的平面上由两个弹簧枢转地提供，并提供“后续”动作，而不是停止。 足球是通过由这个关键运动产生的离心力和切向力从投掷臂推进的。 球保持器包括一个可调节的止挡件，其将旋转赋予球（以产生螺旋通过）并确定飞行方向。

    A spring actuated device for projecting clay pigeons
    62.
    发明授权
    A spring actuated device for projecting clay pigeons 失效
    用于投射粘土的弹簧激活装置

    公开(公告)号：US3826238A

    公开(公告)日：1974-07-30

    申请号：US30030272

    申请日：1972-10-24

    申请人： HANSEN I

    发明人： HANSEN I

    IPC分类号： F41J9/18 ,  F41J9/20 ,  F41J9/30 ,  F41B3/04

    CPC分类号： F41J9/30 ,  F41J9/20

    摘要： An apparatus for the tossing of disc-shaped objects, the socalled clay pigeons including a main frame carrying a main shaft and an ejector arm. A crank arm is mounted on the frame and driven by an ejector spring. A motor drives a worm gear and worm wheel and a double coupling means comprising a one-sided overrunning clutch to allow the shaft to overrun the motor drive and a releasable clutch interposed between and interconnecting the worm wheel and the main shaft to release the shaft from the worm wheel when the crank arm is in its dead center position and the spring fully tensioned. A trigger locks and releases the releasable clutch in the position in which the ejector spring is fully tensioned and the crank arm is in its dead center position. An actuator reacts with the trigger to release the releasable clutch whereupon the motor drives the main shaft via the worm gear and the worm wheel through the one-sided overrunning clutch and the crank arm is driven off its dead center position. After a short rotary motion, the ejector spring via the one-sided overrunning clutch produces the additional speed necessary to launch a clay pigeon from the ejector arm without jerking the throwing arm. The pigeons are caused to be moved to the ejector arm by actuation of a cam follower connected to an elevator. The elevator carries the pigeons one at a time, from a stack, to the ejector arm. While the elevator is carrying a pigeon to the ejector arm a cam operated member is caused to move into engagement with the remaining stack of pigeons so as to support the remaining stack of pigeons.

    摘要翻译： 一种用于折叠盘形物体的装置，所谓的粘土鸽子包括承载主轴的主框架和推杆。 曲柄臂安装在框架上并由顶出弹簧驱动。 电动机驱动蜗轮和蜗轮以及包括单侧超越离合器的双重联接装置，以允许轴超过电机驱动器，以及插入在蜗轮和主轴之间并将蜗轮与主轴相互连接的可释放离合器 当曲柄臂处于其死点位置并且弹簧完全张紧时，蜗轮。 触发器将释放的离合器锁定并释放在其中顶出弹簧完全张紧并且曲柄臂处于其中心位置的位置。 致动器与触发器反应以释放可释放的离合器，由此马达通过蜗轮和蜗轮通过单向超越离合器驱动主轴，并且曲柄臂从其中心位置被驱除。 经过短暂的旋转运动后，顶出弹簧通过单面超越离合器产生了从喷射器臂发射粘土鸽所需的附加速度，而不会撬动投掷臂。 通过驱动连接到电梯的凸轮从动件使鸽子移动到推动器臂。 电梯一次将一只鸽子从堆叠运送到喷射器臂。 当电梯将鸽子运送到喷射器臂时，使凸轮操作构件移动成与剩余的鸽子堆相配合，以便支撑剩余的鸽子堆。

    A centrifugal type ball projecting device
    63.
    发明授权
    A centrifugal type ball projecting device 失效
    离心式球型投影装置

    公开(公告)号：US3765395A

    公开(公告)日：1973-10-16

    申请号：US3765395D

    申请日：1971-11-26

    申请人： MC D HESS A

    发明人： MC D HESS A

    IPC分类号： A63B69/40 ,  F41B3/04

    CPC分类号： A63B69/408

    摘要： A ball throwing machine has a mounting base with a lever pivotally mounted on the base. A plurality of spaced ball holding depressions are mounted on the top rear missle portion of said lever. A braking surface is mounted on said base and an adjustable brake shoe is mounted on the missile receiving end of said lever. The positioning of a ball in a desired depression and varying of the amount of braking causes a variation in the trajectory of a ball. The lever is adapted to be pivoted quickly to catapult a ball mounted in one of the depressions.

    摘要翻译： 抛球机具有安装基座，杠杆枢轴安装在基座上。 多个间隔开的球保持凹部安装在所述杆的顶部后部部分上。 制动表面安装在所述基座上，并且可调节的制动蹄安装在所述杆的导弹接收端上。 将球定位在所需的凹陷中并且改变制动量会导致球的轨迹的变化。 杠杆适于快速枢转以弹出安装在其中一个凹陷中的球。