Chair

Claim 1

A BLANK FOR A CHILD''S COLLAPSIBLE PIECE OF FURNITURE COMPRISING: (A) A GENERALLY RECTANGULAR PIECE OF FOLDABLE MATERIAL HAVING FOUR PARALLEL SPACED APART SCORE LINES EXTENDING SUBSTANTIALLY FROM THE LOWER EDGE TO THE UPPER EDGE; (B) A PLURALITY OF INTERLOCKING TABS EXTENDING OUTWARDLY FROM SAID LOWER EDGE AND HAVING A SCORE LINE AT THE JUNCTION OF SAID TABS AND SAID LOWER EDGE EXTENDING IN A SUBSTANTIALLY STRAIGHT LINE ALONG SAID LOWER EDGE SUBSTANTIALLY PERPENDICULAR TO SAID PARALLEL SCORE LINES; (C) SAID RECTANGULAR PIECE FOLDING ALONG SAID PARALLEL SCORE LINES TO FORM A FOUR-SIDED BOX-SHAPED STRUCTURE WITH A PORTION OVERLAPPING FOR PURPOSE OF AFFIXING SAID PIECE IN SAID FOLDED POSITION AND SAID INTERLOCKING TABS FOLDING INWARDLY TO FORM A BOTTOM WHICH INTERLOCKS TO HOLD SAID TABS IN THE FOLDED POSITION; (D) SUBSTANTIALLY RECTANGULAR SHAPED TABS EXTENDING UPWARDLY FROM SCORE LINES WHICH DEFINE THE UPPER EDGES OF TWO OPPOSITE SIDES, EACH OF SAID RECTANGULAR SHAPED TABS HAVING SCORE LINES AND A SUBSTANTIALLY CENTRALLY LOCATED SLOT THEREIN AND EACH FOLDING INWARDLY AND DOWNWARDLY TO FORM BRACES WITHIN SAID STRUCTURE WITH SAID SLOTS LYING IN A PLANE PERPENDICULAR TO THE BOTTOM AND SAID OPPOSITE SIDES; (E) ONE OF SAID REMAINING SIDES HAVING A SUBSTANTIALLY RECTANGULAR SHAPED TAB EXTENDING UPWARDLY FROM A SCORE LINE WHICH DEFINES THE UPPER EDGE THEREOF WITH A PLURALITY OF SPACED APART SCORE LINES EXTENDING SUBSTANTIALLY PARALLEL TO THE OUTER EDGE THEREOF AND TWO SPACED APART PARALLEL CUTS EXTENDING INWARDLY FROM SAID OUTER EDGE, SAID LAST MENTIONED TAB FOLDING SO SAID CUTS MATE WITH SAID SLOTS TO INTERLOCK SAID STRUCTURE FIRMLY IN POSITION AND SO A PORTION OF SAID LAST MENTIONED TAB LIES SUBSTANTIALLY HORIZONTAL TO FORM A PORTION OF A SEAT; (F) A PORTION OF THE FOURTH SIDE OF SAID FOUR SIDED STRUCTURE EXTENDING UPWARDLY A SUBSTANTIAL DISTANCE ABOVE THE THREE SIDES HAVING RECTANGULAR SHAPED TABS ATTACHED THERETO AND HAVING AT LEAST ONE TAB EXTENDING UPWARDLY FROM THE UPPER EDGE THEREOF AND ADDITTIONAL TABS EXTENDING OUTWARDLY FROM SAID UPWARDLY EXTENDING TAB, SAID UPWARDLY EXTENDING TAB HAVING CUTS AND SCORE LINES THEREIN TO FACILITATE FOLDING SAID TAB INWARDLY TO FORM A RELATIVELY WIDE, REINFORCED PORTION HAVING A GENERALLY RECTANGULARLY SHAPED CROSS SECTION AND POSITIONED ADJACENT THE UPPER EDGE OF SAID FOURTH SIDE; AND (G) SAID TWO OPPOSITE SIDES EACH HAVING UPWARDLY DIRECTED EXTENSIONS JOINED TO THE UPWARDLY EXTENDING PORTION OF SAID FOURTH SIDE ALONG THE PARALLEL SPACED APART SCORE LINES BETWEEN SAID TWO OPPOSITE SIDES, SAID FOURTH SIDE AND EACH OF SAID EXTENSIONS HAVING AT LEAST ONE TAB EXTENDING OUTWARDLY FROM THE OUTER EDGES THEREOF, SAID OUTWARDLY EXTENDING TABS JOINED TO SAID EXTENSIONS HAVING CUTS AND SCORE LINES THEREIN TO FACILITATE FOLDING SAID TABS INWARDLY TO FORM A RELATIVELY WIDE REINFORCED PORTION HAVING A GENERALLY RECTANGULARLY SHAPED CROSS SECTION AND POSITIONED ADJACENT OUTER EDGES OF SAID FOURTH SIDE, AND SAID REINFORCED PORTION ADJACENT EITHER OUTER EDGE OF SAID ONE SIDE INTERLOCKING WITH SAID ADDITIONAL TABS OF THE RELATIVELY WIDE REINFORCED PORTION AT THE UPPER EDGE OF SAID FOURTH SIDE TO MAINTAIN THE FOLDED POSITION.