Display frame for let persons read information of page, has headless screws that has length equal to piling of lengths of transparent front and rear walls and spacer, where screws are screwed to present threads engaged to walls

摘要

The frame (1) has a transparent front and rear walls (2, 4) forming a front part (AV) and a rear part (AR), respectively. A spacer (3) separating the parts defines a limited space permitting insertion and maintenance of a page in a display position. Piercing of the front part is associated to a piercing of the spacer and a piercing of the rear part. Fixation parts penetrates the piercing, where fixation parts are headless screws (9), which has length equal to piling of lengths of the walls and the spacer. The screws are screwed to present threads engaged to the walls.