Box construction

Claim 1

IN A PACKING BOX HAVING TWO PANELS WITH OPPOSED EDGES THE COMBINATION COMPRISING A FIRST EDGE MEMBER EXTENDING ALONG THE LENGTH OF THE FIRST OF SAID PANEL EDGES AND INCLUDING INNER AND OUTER FLANGES BETWEEN WHICH SAID FIRST PANEL IS RECEIVED, A SECOND EDGE MEMBER EXTENDING ALONG THE LENGTH OF THE SECOND OF SAID PANEL EDGES AND INCLUDING INNER AND OUTER FLANGES BETWEEN WHICH SAID SECOND PANEL IS RECEIVED, AN ATTACHMENT MEMBER HAVING A PORTION EXTENDING BETWEEN THE OUTER FLANGE OF SAID SECOND EDGE MEMBER AND SAID SECOND PANEL AND HAVING TWO LATERALLY SPACED FINGERS EACH OF WHICH IS CURVED ABOUT A TRANSVERSE AXIS TO DEFINE A CURVED REARWARDLY FACING SURFACE, A CATCH HAVING A BASE LOCATED BETWEEN SAID TWO SPACED FINGERS AND HAVING SIDES ENGAGEABLE WITH SAID FINGERS TO PREVENT LATERAL MOVEMENT OF SAID BASE RELATIVE TO SAID PANEL, SAID BASE INCLUDING A PORTION ENGAGING THE SURFACE OF SAID SECOND PANEL AND A TRANSVERSE WALL PORTION ENGAGING THE EDGE OF SAID OUTER FLANGE OF SAID SECOND EDGE MEMBER, THE FORWARDLY FACING SURFACE OF SAID PANEL ENGAGING PORTION OF SAID BASE BEING LOCATED BEHIND SAID REARWARDLY FACING CURVED SURFACES OF SAID FINGERS, AN ELONGATED PIN RECEIVED BETWEEN SAID CURVED SURFACES OF SAID FINGERS AND SAID FORWARDLY FACING SURFACE OF SAID PANEL ENGAGING PORTION OF SAID BASE AND LOCATED ON THE OPPOSITE SIDE OF SAID TRANSVERSE WALL FROM SAID EDGE OF SAID OUTER FLANGE OF SAID SECOND EDGE MEMBER, MEANS ON SAID OUTER FLANGE OF SAID FIRST EDGE MEMBER PROVIDING A STRIKE EXTENDING THE LENGTH OF SAID FIRST EDGE MEMBER, AND A HOOK MEMBER ON SAID CATCH ENGAGEABLE WITH SAID STRIKE TO HOLD SAID TWO PANELS IN JOINED RELATIONSHIP.