Holder device

Claim 1

A HOLDER DEVICE, FORMED OF MOLDED PLASTIC MATERIAL HAVING A DEGREE OF STIFFNESS AND THE CAPABILITY OF YIELDING ELASTICALLY, COMPRISING: (A) A TOP COVER PANEL HAVING INNER AND OUTER SIDES; (B) A BOTTOM COVER PANEL HAVING INNER AND OUTER SIDES; (C) AN INTERMEDIATE BACK PANEL HAVING INNER AND OUTER SIDES; (D) HINGE MEANS CONNECTING SAID BACK AND COVER PANELS ALONG PARALLEL EDGES THEREOF, WHEREBY IN AN OPEN POSITION SAID PANELS ARE IN A COMMON PLANE WITH THEIR INNER SIDES FACING UPWARDLY AND IN A CLOSED POSITION SAID COVER PANELS ARE AT RIGHT ANGLES TO SAID BACK PANEL WITH THEIR INNER SIDES IN SPACED PARALLEL OPPOSED RELATION TO EACH OTHER; (E) A TUBULAR CIRCUMFERENTIALLY CONTINUOUS CYLINDRICAL POST INTEGRAL WITH SAID BOTTOM PANEL AND PROJECTING PERPENDICULARLY FROM ITS INNER SIDE IN SPACED RELATION TO ITS HINGE CONNECTION WITH SAID BACK PANEL, AND HAVING A PASSAGE THERETHROUGH OPENING TO THE UPPER END OF SAID POST AND TO THE OUTERSIDE OF SAID BOTTOM PANEL, SAID POST HAVING AN EXTERNAL ANNULAR GROOVE DEFINED AT ITS LOWER SIDE BY AN ANNULAR SHOULDER SPACED FROM THE UPPER END OF SAID POST, AT ITS UPPER SIDE BY AN ANNULAR BEAD HAVING UPPER AND LOWER ANNULAR WEDGE SURFACES CONVERGING OUTWARDLY TO AN ANNULAR CROWN SURFACE, AND INTERMEDIATE SAID SHOULDER AND BEAD BY AN ANNULAR NECK; AND (F) SAID TOP COVER PANEL HAVING AN APERTURE IN AXIAL LINE WITH SAID POST IN SAID CLOSED POSITION AND DEFINED BY AN ANNULAR WALL INTEGRAL WITH AND CORRESPONDING IN HEIGHT TO THE THICKNESS OF SAID TOP PANEL AND HAVING A REDUCED DIAMETER ANNULUS ADJACENT THE INNER SIDE OF SAID TOP PANEL OF LESS DIAMETER THAN SAID CROWN SURFACE OF SAID BEAD AND OF GREATER DIAMETER THAN SAID ANNULAR NECK, AND SAID ANNULAR WALL HAVING A DIAMETER INTERMEDIATE SAID ANNULUS AND THE OUTER SIDE OF SAID TOP PANEL AT LEAST EQUAL TO THE DIAMETER OF SAID CROWN SURFACE OF SAID BEAD, WHEREBY SAID ANNULUS IS ADAPTED TO HAVE SNAP ENGAGEMENT INTO AND OUT OF SAID ANNULAR GROOVE THROUGH THE INWARD YIELDING OF SAID BEAD FORMATION OF SAID TUBULAR POST, AND SAID INNER SIDE OF SAID TOP PANEL IS ADAPTED TO SEAT UPON SAID ANNULAR SHOULDER IN SAID CLOSED POSITION.