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Claim 1

A DISPLAY HOLDER HAVING, IN COMBINATION, A RECTANGULAR SHEET OF STIFF BACKING MATERIAL, AT LEAST ONE ELONGATED CLAMPING MEMBER OF L-SHAPED CROSS SECTION EXTENDING ALONG ONE EDGE OF SAID SHEET AND MOUNTED THEREON TO MOVE BETWEEN A CLAMPING POSITION IN WHICH AN EDGE OF A LONGER LEG OF THE MEMBER ENGAGES A DISPLAY SHEET TO CLAMP THE SAME AGAINST THE BACKING SHEET AND A FLAT SHORTER LEG OF THE MEMBER LIES IN A PLANE NORMAL TO THE BACKING SHEET AND INCLUDING THE EDGE AND AN OPEN POSITION IN WHICH THE EDGE OF THE LONGER LEG IS SPACED FROM THE BACKING SHEET AND THE SHORTER LEG LIES FLAT AGAINST THE BACKING SHEET, SAID MEMBER HAVING HINGE PARTS PROJECTING INWARDLY FROM SAID SHORTER LEG AND DEFINING AN ELONGATED APERTURE PARALLELING THE FREE EDGE OF THE SHORTER LEG, AT LEAST ONE PIN EXTENDING THROUGH AND SECURED WITHIN SAID APERTURE OF SAID MEMBER AND HAVING AN EXPOSED PORTION SPACED FROM THE FREE EDGE OF THE SHORTER LEG OF THE MEMBER A GREATER DISTANCE THAN SAID EXPOSED PORTION IS SPACED INWARDLY FROM SAID LEG, A PLURALITY OF LEAF SPRINGS EACH SECURED FLAT AGAINST SAID SHEET AT ONE END PORTION OF THE SPRING AND HAVING THE OTHER END PORTION ENGAGING SAID EXPOSED PORTION OF SAID PIN TO URGE THE PIN YIELDABLY TOWARDLY THE BACKING SHEET AND THE MEMBER YIELDABLY INTO EITHER OF SAID POSITIONS WHILE PERMITTING MOVEMENT OF THE MEMBER OVERCENTER BETWEEN THE POSITIONS, SAID PIN HAVING ANOTHER EXPOSED PORTION AND SAID SHORTER LEG OF SAID MEMBER HAVING A REINFORCING LEDGE PROJECTING INWARDLY FROM AN INTERMEDIATE PORTION OF THE LEG BETWEEN SAID APERTURE PORTIONS AND THE JUNCTION WITH THE LONGER LEG AND EXTENDING LONGITUDINALLY OF BUT SPACED FORM THE LONGER LEG, AND A COILED SPRING ENCIRCLING SAID OTHER EXPOSED PORTION OF SAID PIN AND HAVING ITS ENDS RESPECTIVELY ENGAGING SAID BACKING SHEET AND SAID LEDGE OF THE ASSOCIATED MEMBER TO AUGMENT THE ACTION OF SAID LEAF SPRINGS AND URGE THE MEMBER TOWARD ITS CLOSED POSITION.