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1. 发明授权

US5083390A Modular sign 失效
标题翻译：模块标志
公开(公告)号：US5083390A
公开(公告)日：1992-01-28
申请号：US548569
申请日：1990-07-05
申请人： David C. Edman
发明人： David C. Edman
IPC分类号： G09F7/18 , G09F15/00
CPC分类号： G09F15/0012 , G09F7/18 , G09F2007/1821 , Y10T403/4694
摘要： A modular sign consists of an H-shaped metal frame. The pointed legs can be driven into the earth by stepping on the cross rail. Plastic side tubes are slid over the upper arms of the H. The tubes have slots cut through the side partway down from the top; the edges of a sign board are inserted into them. The top and bottom edges of the sign board are inserted into slots cut into the sides of a top and bottom tube, respectively. The ends of the top and bottom tubes are inserted into holes bored through the side tubes, which are of larger diameter than the top and bottom tubes. Thus the sign board's edges are completely covered by the tubes. For extra strength the top tube may be fastened to the side tubes at either end. For indoor use, the lower frame legs are slid into feet in the shape of an inverted T for stability.
摘要翻译：模块化标志由H形金属框架组成。尖头的腿可以通过踩在十字架上被驱动到地球上。塑料侧管在H的上臂上滑动。管具有从顶部向下偏侧的槽切口的槽; 标志板的边缘插入其中。标志板的顶部和底部边缘分别插入切割到顶部和底部管的侧面的狭槽中。顶管和底管的端部插入穿过侧管的孔，其直径大于顶管和底管。因此，标牌的边缘被管完全覆盖。为了额外的强度，顶管可以在任一端紧固到侧管。对于室内使用，为了稳定，下框架腿以倒T形的方式滑入脚中。

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