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公开(公告)号:US4176360A
公开(公告)日:1979-11-27
申请号:US943088
申请日:1978-09-18
CPC分类号: H01Q1/10
摘要: A mechanical system is disclosed to deploy an antenna on a support which may, for example, be a spacecraft. A series of telescoping tubes are nested one within the other when the antenna is in a retracted stowed position. The outermost tube is rigidly attached to the support and the inner tubes are latched in the stowed position by a caging mechanism. The antenna is driven toward a deployed position by a dual motor driven cable which is terminated in a driving tube at the lower end of the innermost tube, from whence the cable is trained about pulleys at the tops and bottoms of successively large tubes of the antenna. The cable is wound on a drum at the lower end of the antenna and coaxial therewith. During deployment of the antenna, the drum rotates, thereby reeling in the deployment cable. The initial movement of the cable causes cam releasing of the latches in the caging device. Thereafter, the antenna tubes are extended until the final deployed position of the antenna is reached. A ratchet attached to the drum prevents reverse rotation of the drum and locks the antenna in the deployed position until the ratchet is released.
摘要翻译: 公开了一种机械系统来将天线部署在例如可以是航天器的支撑件上。 当天线处于缩回收起位置时,一系列伸缩管嵌在另一根内。 最外面的管刚性地附接到支撑件,并且内管通过笼式机构锁定在收起位置。 天线通过双电机驱动的电缆驱动,该双电机驱动电缆端接在最内管的下端处的驱动管中,从该电缆在天线的连续大管的顶部和底部的滑轮处被训练 。 电缆缠绕在天线下端的鼓上并与其同轴。 在展开天线期间,滚筒旋转,从而卷绕在展开电缆中。 电缆的初始运动导致闩锁在锁定装置中的释放。 此后,天线管被延伸直到达到天线的最终展开位置。 附接到滚筒的棘轮防止滚筒的反向旋转并将天线锁定在展开位置,直到棘轮被释放。
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公开(公告)号:US5332220A
公开(公告)日:1994-07-26
申请号:US73034
申请日:1993-06-08
申请人: William A. Leavy
发明人: William A. Leavy
CPC分类号: A63F9/1044
摘要: A jigsaw puzzle piece organizer wherein a plurality of trays are provided for holding a plurality of groups of puzzle pieces according to the color and configuration of the puzzle pieces. Interconnected empty trays can be arranged in a compact stack for storage, or in an interconnected stack wherein there is a clearance between adjacent trays containing puzzle pieces for providing temporary storage for the puzzle pieces during the assembly of the puzzle to completion.
摘要翻译: 一种拼图拼图组合器,其中提供多个托盘,用于根据拼图的颜色和构型保持多组拼图块。 互连的空托盘可以布置在紧凑的堆叠中用于存储,或者在互连的堆叠中,其中在相邻的托盘之间存在间隙,其中的拼图块在拼图的组装期间为拼图提供临时存储以完成。
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