Portable shipping container

Claim 1

A PORTABLE SHIPPING CONTAINER FOR TRANSPORTING GLASS SHEETS, COMPRISING A HORIZONTALLY ELONGATED, NARROW FLOOR HAVING HORIZONTAL FRONT AND REAR EDGES AND TIPPED DOWNWARDLY AT AN ACUTE ANGLE TO THE HORIZONTAL FROM FRONT TO REAR EDGES, WITH VERTICAL ENDS WALLS SECURED AT THE ENDS OF THE FLOOR AND AN UPRIGHT REAR WALL EXTENDING UPWARDLY FROM THE FLOOR AND TIPPED REARWARDLY FROM ITS LOWER EDGE TO ITS UPPER EDGE AT AN ACUTE ANGLE TO THE VERTICAL WITH THE END WALLS AND REAR WALL JOINED TOGETHER AT THEIR RESPECTIVE ADJACENT EDGES, SO THAT GLASS SHEETS MAY BE ARRANGED UPRIGHT ON SAID FLOOR WITH THE LOWER EDGES OF SAID GLASS SHEETS RESTED UPON THE FLOOR AND WITH THE SHEETS TIPPED REARWARDLY AGAINST SAID REAR WALL; THE UPPER EDGES OF EACH END WALL HAVING AN ELONGATED BAR SECURED THERETO, THE BARS BEING ARRANGED PARALLEL TO THE SLOPE OF THE FLOOR AND HAVING A NUMBER OF CLOSELY SPACED HOLES ARRANGED ALONG THEIR LENGTHS, THE HOLES EXTENDING FROM THE UPPER TO THE LOWER SURFACES OF SAID ELONGATED BARS; TWO SEPARATE ROWS OF HOLES FORMED IN SAID FLOOR, THE HOLES OF EACH ROW BEING CLOSELY SPACED AND THE ROWS EXTENDING FROM THE FRONT EDGE TOWARDS THE REAR EDGE OF THE FLOOR; A FRONT PANEL OF A SIZE TO FIT BETWEEN THE SIDE WALLS, WITH THE LOWER EDGE THEREOF RESTED UPON THE FLOOR AND HAVING HORIZONTAL EXTENSIONS FORMED ON THE UPPER EDGE THEREOF ARRANGED TO REST UPON THE UPPER SURFACES OF SAID BARS; A REMOVABLE FASTENER MEANS ON EACH OF SAID EXTENSIONS TO SELECTIVELY FIT INTO ONE OF THE HOLES IN THE RESPECTIVE BARS TO SECURE THE PANEL TO THE BARS, AND A PAIR OF DOWNWARDLY EXTENDING PINS SECURED TO THE PANEL AT THE LOWER EDGE THEREOF, EACH PIN IN ALIGNMENT WITH ONE OF SAID ROWS OF HOLES, AND EACH ARRANGED TO SELECTIVELY FIT INTO ONE OF THE HOLES OF ITS RESPECTIVE ROW FOR SECURING THE PANEL IN SPACED RELATIONSHIP TO SAID REAR WALL FOR TIGHTLY HOLDING GLASS SHEETS BETWEEN THE REAR WALL AND THE PANEL.