Table for displaying information on section of rolled web - has web perforator fixed to cursor carriage and movable along scaled rail

摘要

The display table is used for displaying a section of a rolled web (5, 7) which is fed between two reels (8, 9) across the display surface (3) the table being used for image projecton, teaching machines or publicity displays etc. The table perforates the web (5) from a device fixed to a cursor carriage, so as to be movable across the width of the web along a rail (4) at one side of the display surface (3), the rail pref. having scale markings, with which a pointer (6) fixed to the carriage cooperates. A sensor for the perforations is also fixed to the carriage supplying a signal for the web winding mechanism.