Copyholder attachment

Claim 1

A COPYHOLDER COMPRISING A FIRST SECTION, HAVING A SHEET SUPPORTING SURFACE, AND FLANGES EXTENDING VERTICALLY ALONG OPPOSITE VERTICAL MARGINS OF SAID SURFACE, A BACK PART HAVING FLANGES DISPOSED VERTICALLY ALONG ITS OPPOSITE VERTICAL MARGINS, SAID FLANGES OF SAID BACK PART BEING DISPOSED BETWEEN AND IN JUXTAPOSITION TO THE FLANGES OF SAID FIRST SECTION AND PIVOTED TO THE UPPER PORTIONS THEREOF FOR SWINGING MOVEMENT OF THE LOWER PORTION OF SAID BACK PART REARWARDLY TO POSITION FOR SUPPORTING THE COPYHOLDER IN GENERALLY UPRIGHT POSITION, A SECOND SECTION DISPOSED ALONG ONE SIDE OF SAID FIRST SECTION, SAID SECOND SECTION HAVING A SHEET SUPPORTING SURFACE AND FLANGES EXTENDING VERTICALLY ALONG OPPOSITE VERTICAL MARGINS OF SAID SURFACE, ONE OF THE VERTICALLY EXTENDING FLANGES OF SAID SECOND SECTION BEING DISPOSED AGAINST THE OUTER SURFACE OF ONE OF THE VERTICALLY EXTENDING FLANGES OF SAID FIRST SECTION, AND SNAPON RESILIENT CLIP MEANS HAVING LEGS SNAPPED OVER SAID LASTMENTIONED FLANGES, WITH SAID FLANGES CONFINED WITHIN AND FRICTIONALLY ENGAGED BY THE LEGS OF SAID CLIP MEANS TO HOLD SAID SECOND SECTION TO SAID FIRST SECTION WITH THE SHEET SUPPORTING SURFACES OF SAID FIRST AND SECOND SECTIONS IN COPLANAR RELATION.