Panel assembly and fastener

Claim 1

IN A COMBINATION, A PAIR OF PANELS, EACH PANEL COMPRISING TWO TRANSVERSELY DISPOSED AND JOINED SIMILAR SETS OF PARALLEL ELEMENTS, ONE OF SAID SETS BEING SUPERPOSED ON THE OTHER OF SAID SETS, SAID PANELS BEING DISPOSED IN PARTIAL OVERLAPPING REGISTRATION AND SIMILARLY ORIENTED AND SUBJECTED TO FORCES TENDING TO SEPARATE THE PANELS IN A DIRECTION PARALLEL TO THE EXTENT OF THE SUPERPOSED SETS OF ELEMENTS, A MEMBER HAVING A PAIR OF LEGS SPACED TO ACCOMMODATE A PANEL ELEMENT THEREBETWEEN AND JOINED TO EFFECT CLOSING OF SAID MEMBER ADJACENT ONE END THEREOF, SAID LEGS HAVING ALIGNED HOOK PORTIONS ADJACENT THEIR FREE ENDS AND LATERALLY EXTENDING ALIGNED KNEE PORTIONS INTERMEDIATE SAID HOOK PORTIONS AND SAID CLOSED END, A SUPERPOSED ELEMENT OF THE OVERLAPPING ONE OF SAID PANELS AT THE LAP BEING DISPOSED WITHIN THE CLOSED END OF SAID MEMBER, THE KNEE PORTIONS OF SAID MEMBER EXTENDING ABOUT AN ADJACENT ELEMENT OF THE OTHER OF SAID SETS OF ELEMENTS OF THE OTHER OF SAID PANELS AT THE LAP, AND THE HOOK PORTIONS OF SAID MEMBER BEING DISPOSED OUTWARDLY OF SAID SUPERPOSED PANEL ELEMENT OF THE OVERLAPPING ONE OF SAID PANELS, AND A PIN DISPOSED WITHIN AND EXTENDING BETWEEN THE HOOK PORTIONS OF SAID MEMBER WHEREBY SAID MEMBER MAY BE LOCKED IN POSITION, THE DISTANCE BETWEEN SAID KNEE AND A PLANE WHICH PASSES THROUGH THE INTERIOR OF SAID HOOK PORTION AND IS PERPENDICUALR TO A PLANE BISECTING SAID KNEES BEING SLIGHLY GREATER THAN THE SUM OF THE THICKNESSES OF SAID PANELS AND THE DIAMETER OF SAID PIN.