Filing apparatus

Claim 1

A FILING APPARATUS COMPRISING: A TOP WALL INCLUDING AN ARCUATE MEMBER; OPPOSED END WALLS RIGIDLY JOINED TO THE ENDS OF SAID ARCUATE MEMBER, THE PLANE OF EACH OF SAID END WALLS DEFINING A DOWNWARDLY EXTENDING ANGLE RELATIVE TO THE ARCUATE MEMBER AT THEIR POINT OF INTERSECTION; THE INTERSECTING PLANES OF SAID END WALLS DEFINING AN INCLUDED ANGLE OF LESS THAN 180*; A MULTIPLICITY OF INDIVIDUAL CARDS EACH HAVING AN OPENING THEREIN COMMUNICATING WITH ONE EDGE THEREOF, THE OPENING OF EACH OF SAID CARDS RECEIVING A PORTION OF SAID ARCUATE MEMBER; BASE MEANS FOR PIVOTALLY SUPPORTING SAID TOP WALL ABOVE THE AXIS OF SAID ARCUATE MEMBER INCLUDING A FIRST PIVOT MEMBER DISPOSED GENERALLY PARALLEL TO AND WITH ITS PIVOT AXIS SPACED ABOVE TO THE AXIS OF SAID ARCUATE MEMBER; A SECOND PIVOT MEMBER DEPENDING FROM SAID TOP WALL AND PIVOTALLY ENGAGED WITH SAID FIRST PIVOT MEMBER; AND MEANS COOPERATING WITH SAID FIRST AND SECOND PIVOT MEMBERS PROVIDING FRICTIONAL ENGAGEMENT THEREBETWEEN TO MAINTAIN SAID TOP WALL IN SELECTED POSITIONS OF MANUALLY TILTED ADJUSTMENT BETWEEN EXTREME OPPOSED POSITIONS OF LONGITUDINAL INCLINATION, WHEREBY ANY TWO GROUPS OF CARDS ARE MAINTAINED BY GRAVITY IN OPPOSITELY INCLINED POSITIONS.