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1. 发明授权

US4181989A Mattress elevating device 失效
标题翻译：床垫升降装置
公开(公告)号：US4181989A
公开(公告)日：1980-01-08
申请号：US875732
申请日：1978-02-06
申请人： John J. Bradley , Frances L. Bradley
发明人： John J. Bradley , Frances L. Bradley
IPC分类号： A47C21/02 , A47C21/08
CPC分类号： A47C21/026
摘要： A mattress elevating device is composed of components easily and quickly assembled and disassembled without the use of tools, the components being suitably sized for packing and transporting in a suitcase. The components comprise a pair of panel members releasably secured together to form a substantially flat mattress supporting surface and elevating means releasably mounted on the bottom of one of said members for holding the panels in an upwardly inclined raised position. The panel members are substantially rectangular in shape and of the same size and are arranged with adjacent edge portions thereof in overlapping relationship. Bolts and wing nuts are used to releasably secure the panel members together and a cross member is attached to the bottom of the top panel member and forms therewith an elongated groove for receiving the underlying edge of the other panel member and preventing movement thereof away from the bottom of the top panel member. The elevating means comprise a member extending across the bottom of the top panel member and having spaced slots therein for slidably receiving the base portions of clips, said base portions of the clips having spaced arms extending downwardly from the bottom of the panel member. A substantially rectangular strip of plywood or the like is slidable between the arms of the clips and has a suitable width to provide the desired elevation of the panel members. The device is readily disassembled by slidably removing the strip and the clips, loosening the wing nuts and pulling the panel members apart.
摘要翻译：床垫升降装置由部件组成，容易且快速地组装和拆卸而不使用工具，这些部件的尺寸适合包装和运输在手提箱中。部件包括一对可释放地固定在一起以形成基本平坦的床垫支撑表面的面板构件，以及可释放地安装在所述构件之一的底部上的升降装置，用于将面板保持在向上倾斜的升高位置。面板构件的形状和尺寸基本上为矩形，并且以相邻的边缘部分重叠地布置。螺栓和翼形螺母用于将板构件可释放地固定在一起，并且横向构件附接到顶板构件的底部并与其形成用于接收另一面板构件的下边缘的细长凹槽，并防止其远离顶板的底部。升降装置包括延伸穿过顶板构件的底部并且在其中具有间隔的狭槽的构件，用于可滑动地容纳夹子的基部，夹子的所述基部具有从面板构件的底部向下延伸的间隔开的臂。胶合板等的基本上矩形的条带可在夹子的臂之间滑动并且具有合适的宽度以提供面板构件的期望的高度。通过滑动地移除条带和夹子，松开翼形螺母并将面板构件分开来，容易地拆卸该装置。

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