Portable stadium seat

Claim 1

A PORTABLE SEAT COMPRISING AN ELONGATED PLANAR MEMBER, A FLEXIBLE AREA DEFINED IN SAID MEMBER BETWEEN THE OPPOSITE ENDS THEREOF AND EXTENDING ACROSS THE WIDTH THEREOF SO AS TO DIVIDE SAID MEMBER INTO TWO GENERALLY EQUAL SIZE PIVOTALLY JOINED PANELS, SAID PANELS CONSTITUTING A SEAT PANEL AND A BACK PANEL, AN ELONGATED RIGID BAR INTIMATELY ENGAGED WITH EACH PANEL ALONG SUBSTANTIALLY THE ENTIRE FREE END THEREOF, LIMIT MEANS ENGAGED BETWEEN THE BAR OF THE BACK PANEL AND THE BAR OF THE SEAT PANEL SO AS TO LIMIT PIVOTAL MOVEMENT OF THE PANELS BETWEEN A FIRST OVERLYING RELATIONSHIP AND A SECOND GENERALLY RIGHTANGULAR RELATIONSHIP, THE RIGID BAR ENGAGED WITH THE SEAT PANEL END PROJECTING BELOW THE BOTTOM OF THE SEAT PANEL ALONG SUBSTANTIALLY THE FULL LENGTH THEREOF, SAID SEAT PANEL BAR INCLUDING A FLAT INNER EDGE FACE ORIENTATED AT GENERALLY A RIGHT ANGLE TO THE BOTTOM OF THE SEAT PANEL SO AS TO DEFINE A FULL LENGTH BENCH ABUTTING FACE, SAID MEMBER BEING FORMED OF CARDBOARD AND INCLUDING INNER AND OUTER SHEET-LIKE LAYERS AND AT LEAST ONE INTERMEDIATE CORRUGATED LAYER BONDED THEREBETWEEN, THE CORRUGATIONS OF THE CORRUGATED LAYER EXTENDING LENGTHWISE FROM ONE END OF THE MEMBER TO THE OTHER END THEREOF, SAID CARDBOARD MEMBER, IN SAID FLEXIBLE AREA, HAVING THE SHEETLIKE LAYERS COMPRESSED TOGETHER WITH THE CORRUGATED LAYER THEREBETWEEN BEING FLATTENED AND INTIMATELY CONFORMING TO THE SHEET-LIKE LAYERS, THEREBY ALLOWING FOR A PIVOTAL MOVEMENT OF THE PANELS RELATIVE TO EACH OTHER, AND MOVABLY MOUNTED MEANS ON SAID SEAT FOR SELECTIVELY RETAINING SAID PANELS AT SUBSTANTIALLY RIGHT ANGLES TO EACH OTHER, SAID MOVABLE RETAINING MEANS COMPRISING AN ELONGATED STEM, AND AN ELONGATED FOOT INTEGRAL WITH SAID STEM AT A FIRST END THEREOF AND PROJECTING AT SUBSTANTIALLY A RIGHT ANGLE THERETO, SAID FOOT BEING ROTATABLY MOUNTED ON ONE OF SAID PANELS LENGTHWISE THEREOF WITH SAID STEM BEING LOCATED ADJACENT SAID FLEXIBLE AREA, WHEREBY SAID STEM, THROUGH A ROTATION OF THE FOOT, IS SELECTIVELY POSITIONABLE OVERLYING THE FOOT MOUNTING PANEL OR PROJECTING AT A SUBSTANTIALLY RIGHT ANGLE THERETO FOR ENGAGEMENT BY THE OTHER PANEL SO AS TO RESTRICT MOVEMENT OF THE PANELS TOWARD EACH OTHER.