公开(公告)号：US5065537A

公开(公告)日：1991-11-19

申请号：US497358

申请日：1990-03-22

申请人： Raymond J. Bailey

发明人： Raymond J. Bailey

IPC分类号： G09F7/12

CPC分类号： G09F7/12

摘要： A changeable letter sign system including a plurality of panels, each bearing a letter, character or other suitable indicia and combinable on an overhead readerboard to display a message thereon, each of the panels having magnetically attractive material carried on the normally front face thereof, in complete contiguous arrangement with the peripheral inner and outer edges of the indicia on the panel, and including a tool having a magnet presenting a pair of feet for engagement with said magnetically attractive material to permit holding of the panels for placement on or removal from suitable retaining means on the wall of the readerboard.

摘要翻译： 一种可变的字母符号系统，包括多个面板，每个面板具有字母，字符或其他合适的标记，并且可组合在架空阅读板上以在其上显示消息，每个面板具有在其正面上承载的具有吸引力的材料， 与面板上的标记的周边内部和外部边缘完全相邻的布置，并且包括具有磁体的工具，该磁体具有一对脚，用于与所述磁性吸引材料接合，以允许保持面板以放置在适当的保持 意思是在阅读板的墙上。