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    • 7. 发明授权
    • Basketball backboard elevator system
    • 篮球背板电梯系统
    • US5292118A
    • 1994-03-08
    • US830125
    • 1992-01-31
    • David A. AllenJoseph K. BohrmanJames N. FitzsimmonsMichael A. Niver
    • David A. AllenJoseph K. BohrmanJames N. FitzsimmonsMichael A. Niver
    • A63B63/08
    • A63B63/083A63B2225/093Y10T403/32336
    • An elevator system for a basketball backboard comprising, in combination, a parallelogram frame and a backboard connected to the frame. A ratchet and pawl arrangement is connected between one of the arms and one of the vertical surfaces of the parallelogram frame so that a first vertical surface is freely movable upward relative to a second vertical surface and is held in a selected vertical position when the vertical lifting force applied to the first vertical surface is removed. The ratchet includes a plurality of ratchet teeth connected to and movable with one arm relative to the first vertical surface. The pawl is pivotally connected to the first vertical surface and disposed for engagement with the ratchet teeth to hold the first vertical panel in a selected vertical position when the vertical lifting force is removed. Also provided is a structure for biasing the pawl toward selective engagement with the ratchet teeth, the engagement depending upon the vertical position of the first vertical surface relative to the second vertical surface. A bell crank lever is pivotally connected to the first vertical surface and operatively associated with the ratchet and pawl arrangement, with a structure for connecting the bell crank lever to the pawl that is responsive to pivotal movement of the bell crank to move the pawl out of engagement with the ratchet teeth.
    • 一种用于篮球背板的电梯系统,其组合包括连接到所述框架的平行四边形框架和背板。 棘轮和棘爪布置连接在一个臂和平行四边形框架的一个垂直表面之间,使得第一垂直表面相对于第二垂直表面可自由地向上移动,并且当垂直提升时保持在选定的垂直位置 施加到第一垂直表面的力被去除。 棘轮包括多个棘轮齿,其连接到一个臂并且可相对于第一垂直表面移动。 棘爪枢转地连接到第一垂直表面并且设置成与棘轮齿接合,以在垂直提升力被移除时将第一垂直面板保持在选定的垂直位置。 还提供了一种用于将棘爪偏压成与棘齿选择性接合的结构,该结合取决于第一垂直表面相对于第二垂直表面的垂直位置。 钟形曲柄杆枢转地连接到第一垂直表面并且可操作地与棘轮和棘爪装置相关联,具有用于将钟形曲柄杆连接到棘爪的结构,其响应于钟形曲柄的枢转运动以将棘爪移出 与棘轮啮合。
    • 9. 发明授权
    • Ground sleeve
    • 接地套管
    • US5571229A
    • 1996-11-05
    • US313360
    • 1994-09-27
    • James N. FitzsimmonsRandy R. Schickert
    • James N. FitzsimmonsRandy R. Schickert
    • A63B63/08A63B71/02E01F9/011E02D27/42E02D5/80
    • A63B71/023A63B71/028E01F9/685E02D27/42A63B63/083
    • A support structure or ground sleeve for supporting a pole including a cap threadably engageable with an open end of a sleeve body. The ground sleeve includes a sleeve body adapted to be positioned in a ground surface for receiving and supporting a pole and includes at least one flange extending outwardly from the sleeve body for preventing the sleeve from rotating in the ground, a collet for engaging the pole, and an inwardly tapered closed end of the sleeve body for centering an end of the pole. An inwardly tapered race surface of the cap and a plurality of cirumferentially-spaced tabs of the sleeve body cooperate to define the collet. In addition, the ground sleeve is formed of a weather resistant non-corrosive material.
    • 一种用于支撑杆的支撑结构或接地套筒,其包括可与套筒本体的开口端部螺纹连接的帽子。 接地套筒包括适于定位在接地表面中的套筒体,用于接收和支撑杆,并且包括至少一个从套管主体向外延伸的凸缘,用于防止套筒在地面中旋转,用于接合杆的夹头, 以及套筒主体的向内锥形的封闭端,用于使杆的端部居中。 盖的向内锥形的表面和套筒主体的多个圆周间隔的突出部配合以限定夹头。 另外,接地套筒由耐候性非腐蚀性材料形成。
    • 10. 发明授权
    • Interactive toy fountain
    • 互动玩具喷泉
    • US06599164B1
    • 2003-07-29
    • US09494602
    • 2000-01-31
    • Christina N. GerwitzLarry C. DickThomas E. FishJames N. Fitzsimmons
    • Christina N. GerwitzLarry C. DickThomas E. FishJames N. Fitzsimmons
    • A63H2908
    • A63H23/00A63B2069/0077A63H29/14B05B17/08
    • A fountain toy comprising a channel defining first and second openings and a conduit adjacent to the channel defining a downward delay path. The conduit includes a first opening near the top of the channel and a second opening communicating with the second opening of the channel. An intake portal for transferring liquid from an external source is coupled to a nozzle located adjacent to the base of the channel. When the external source provides liquid to the intake portal, the liquid travels through the nozzle and flows upward and out of the channel in a laminar flow. A spherical game piece is placed by a user in the first opening of the conduit, where it travels through the conduit. When the game piece reaches the bottom of the conduit, the game piece enters the channel and is carried by the stream of liquid through the channel and out of the fountain to be suspended in the air.
    • 一种喷泉玩具,其包括限定第一和第二开口的通道和邻近通道的导管,其限定向下延迟路径。 导管包括靠近通道顶部的第一开口和与通道的第二开口连通的第二开口。 用于从外部源传送液体的进气门连接到邻近通道底部的喷嘴。 当外部源向进气门提供液体时,液体通过喷嘴行进并以层流向上流出通道。 一个球形游戏件由使用者放置在导管的第一个开口中,在那里它穿过导管。 当游戏件到达导管的底部时,游戏件进入通道并被液体流通过通道并从喷泉中被悬挂在空气中。