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1.发明授权公开(公告)号：US06241628B1
公开(公告)日：2001-06-05
申请号：US08965931
申请日：1997-11-07
IPC分类号： A63B6900
CPC分类号： A63B69/0071 , A63B69/40 , A63B69/407 , A63B2063/001
摘要： A projectile machine for use in practicing various activities including the practice of basketball shots from various positions on a basketball court. The projectile machine when practicing basketball shots automatically returns the basketballs to the person practicing shots thereby eliminating the necessity for the practicing player or other players to retrieve the basketballs that have been shot and return them to the player practicing the shots. More specifically, the present invention enables basketballs that have been shot towards the basketball goal or hoop to be automatically collected and mechanically returned to a selected on-court location at varying elevations, trajectories and velocities. The projectile machine can also be used during various activities relating to the practice of various endeavors in which an article is projected in a desired trajectory. The projectile machine may be supported from a support post for the backboard and goal for use as a home unit. The projectile can be projected by moving a projectile between retention members by a power device or the retention members may be moved past a stationary projectile by a power device to project the projectile.
摘要翻译： 一种用于练习各种活动的抛射机，包括在篮球场的各种职位上进行篮球射击的做法。 实施篮球射击时的射弹机自动将篮球送回练习射击者，从而消除练习玩家或其他玩家检索已被拍摄的篮球的必要性，并将其返回到练习射击的玩家。 更具体地说，本发明使得已经被射向篮球目标或箍的篮球被自动地收集并且以不同的高度，轨迹和速度机械地返回到选定的场上位置。 射弹机也可以在各种活动中使用，这些活动涉及将物品投射在期望的轨迹中的各种努力的实践。 抛射机可以从用于背板的支撑柱和用作家用单元的目标支撑。 抛射体可以通过动力装置在保持构件之间移动弹丸而被投射，或者保持构件可以通过动力装置移动通过固定射弹投射射弹。
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公开(公告)号：US4938479A
公开(公告)日：1990-07-03
申请号：US217691
申请日：1988-07-11
IPC分类号： A63B47/02
CPC分类号： A63B47/025
摘要： A tennis ball return apparatus associated with a tennis net which has its lower edge disconnected from supporting posts to enable balls striking the net to drop substantially straight downwardly rather than rebounding from the net with the apparatus of this invention causing the tennis balls which strike the net and drop downwardly to enter a channel-shaped area having a horizontal tray or trough in the bottom thereof which has a driven endless cord with knots thereon for returning the balls to a putter-type mechanism to project the balls back towards the base line of a tennis court.
摘要翻译： 与网球网相关联的网球返回装置，其网络网的下边缘从支撑柱脱离，以使得击球网能够大大直线地向下落下，而不是用本发明的装置从网上反弹，使网球撞击网 并且向下落下以进入其底部具有水平托盘或槽的通道形区域，其具有带有结的驱动的环形绳索，用于将球返回到推杆式机构，以将滚珠向后朝着基准线 网球场。
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公开(公告)号：US4568089A
公开(公告)日：1986-02-04
申请号：US584916
申请日：1984-02-29
IPC分类号： A63B47/02
CPC分类号： A63B47/025
摘要： A ball-returning tennis net assembly comprises a net structure of an inner net and an outer net on each side of the inner net for gathering balls hit into the net structure in a manner preventing the balls from rebounding onto a playing surface of a tennis court and for causing the balls to drop into an elongate inclined tray positioned along the base of the net so that the collected balls will roll down the tray to one end of the net structure. The tray delivers the ball to an automatic ball return mechanism at the side of the court which has a powered paddle device for batting the balls to a selected location at either end of the court.
摘要翻译： 一种回球网球组件包括内网的网状结构和内网两侧的外网，用于收集以网格结构的方式撞击到网状结构中的球，以防止球回弹到网球场的游戏表面上 并且用于使球落入沿着网的底部定位的细长倾斜托盘中，使得收集的球将托盘滑动到网状结构的一端。 托盘将球传递到法院一侧的自动球返回机构，该机构具有用于将球击球的任意一个动力桨装置，在球场两端的选定位置。
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公开(公告)号：US4922059A
公开(公告)日：1990-05-01
申请号：US290480
申请日：1988-12-29
申请人： John S. Walker , Scott E. Jenkins
发明人： John S. Walker , Scott E. Jenkins
CPC分类号： H05K3/4691 , H05K1/0278 , H05K3/0014 , H05K9/0039 , H05K1/0218 , H05K1/0298 , H05K1/189 , H05K2201/0715 , H05K2201/09036 , H05K2201/09827 , H05K2201/0999 , H05K2203/0228 , H05K2203/302 , H05K3/0044 , H05K3/0058
摘要： An origami printed circuit board comprises a rigid printed circuit board having a flexible conducting back secured to the bottom of the circuit board. The flexible back is constructed of alternating layers of flexible dielectric and conducting layers bonded together, where the conducting layers may include copper. The circuit board is then grooved in a predetermined manner with the grooves extending through the rigid circuit board, but not extending into the flexible conducting back. The entire circuit board/flexible back is then folded along the grooves in origami fashion to form an enclosure, or other designed shape, with the flexible back forming the outer walls of the shape. By coupling the electronic elements of the circuit board to the conducting layers of the flexible back, the flexible conducting back includes electronic circuit printed interconnections on the rigid board. A bottom conducting layer of the flexible back may be uncoupled to the electronic elements of the circuit board. When the origami printed circuit board is folded into shape, the bottom layer forms the board's outer wall and creates an EMI/TEMPEST shield. The shield also isolates RF frequency emissions.
摘要翻译： 折纸印刷电路板包括刚性印刷电路板，其具有固定到电路板底部的柔性导电背面。 柔性背面由粘合在一起的柔性介电层和导电层的交替层构成，其中导电层可以包括铜。 然后，电路板以预定的方式开槽，沟槽延伸穿过刚性电路板，但不延伸到柔性导电背面。 然后，整个电路板/柔性背部沿着折叠折叠的凹槽形成外壳或其他设计的形状，柔性背部形成形状的外壁。 通过将电路板的电子元件耦合到柔性背面的导电层，柔性导电背包括刚性板上的电子电路印刷互连。 柔性背面的底部导电层可以与电路板的电子元件分离。 当折纸印刷电路板折叠成形时，底层形成电路板的外壁，并形成EMI / TEMPEST屏蔽。 屏蔽也隔离RF频率发射。
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公开(公告)号：US4579340A
公开(公告)日：1986-04-01
申请号：US679049
申请日：1984-12-06
CPC分类号： A63B69/0071 , A63B63/083 , A63B2063/001
摘要： A basketball return device comprises a portable unit for positioning on a basketball court in a location generally underneath a basket into which shooting practice is to be conducted. The device includes a base with a ball-return mechanism therein and a vertically extending chute projecting upwardly from the base and terminating in a hoop-like top opening for positioning substantially directly beneath the basket. The ball-return mechanism includes a horizontal ball-collection and dispersion tube mounted in the base for swinging movement about a vertical axis so that the tube may be positioned to direct balls through an open end thereof to a required location on the court. The ball-return mechanism includes a solenoid operated plunger carried at the back of the tube for projecting balls therethrough and the device may include various electrical controls for automatically and semi-automatically operating the ball-return mechanism.
摘要翻译： 篮球返回装置包括便携式单元，用于在通常在篮子下方的位置上的篮球场上定位拍摄练习。 该装置包括其中具有球回位机构的基座和从基座向上突出的垂直延伸的斜槽，并且终止于环形顶部开口，用于基本上定位在篮子下方。 回球机构包括安装在基座中的水平球收集和分散管，用于围绕垂直轴线摆动，使得管可以定位成将球引导到球场的开放端到达球场上的所需位置。 回球机构包括一个电磁操作柱塞，该柱塞承载在管的后部，用于将球通过其移动，并且该装置可以包括用于自动和半自动地操作球返回机构的各种电气控制。
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公开(公告)号：US4830111A
公开(公告)日：1989-05-16
申请号：US94416
申请日：1987-09-09
CPC分类号： E21B36/00 , E03B3/15 , E21B37/08 , E21B43/003
摘要： Water well treatment apparatuses and methods or procedures followed during such treatment in which fluids produced from the well are recycled through the well and aquifer with the recirculated fluids being subjected selectively to various treatment techniques to more effectively clean or otherwise treat the well and aquifer. By using various modifications of the basic arrangement, shallow wells and deep wells may be effectively treated and wells which use turbine pumps, submersible pumps and the like may also be effectively treated. The apparatus and method includes a structure for heating the recirculated fluid to desired temperature levels, adding various cleaning the treating solutions thereto, varying the parameters of the treatment methods in accordance with the conitions of the well and aquifer and purging the well when desired.
摘要翻译： 在这种处理过程中遵循的水井处理设备和方法或程序，其中从井中产生的流体通过井和含水层再循环，再循环流体选择性地进行各种处理技术以更有效地清洁或以其他方式处理井和含水层。 通过使用基本布置的各种修改，可以有效地处理浅井和深井，并且还可以有效地处理使用涡轮泵，潜水泵等的井。 该装置和方法包括用于将再循环流体加热到所需温度水平的结构，对其处理溶液进行各种清洁，根据井和含水层的分配改变处理方法的参数并根据需要净化井。
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