Transporter truck for industrial establishments

Claim 1

IN A TRANSPORTER TRUCK, A FRAMEWORK CONSISTING OF A RECTANGULAR BASE FRAME AND VERTICAL FRAMES AT EACH OF ITS SIDES AND ENDS, SAID FRAMEWORK BEING SUITABLY REINFORCED AND MOUNTED UPON WHEELS, A PLURALITY OF PAIRS OF HORIZONTAL CARRIER PLATES FIXED TO THE VERTICAL FRAMES OF THE TWO SHORTER SIDES, SAID CARRIER PLATES BEING ARRANGED SO THAT EVERY TWO OPPOSING CARRIER PLATES ARE IN THE SAME HORIZONTAL PLANE, EACH CARRIER PLATE HAVING TWO HORIZONTAL SLOTS, THE MUTUALLY ADJACENT ENDS OF WHICH ARE CURVED DOWNWARDS; A SERIES OF SLIDABLY MOVABLE TRAYS BEING PROVIDED WITH A STUD AT EACH END ADAPTED TO SLIDE IN ONE SLOT OF A PAIR OF OPPOSING CARRIER PLATES, THE ENDS OF EACH TRAY BEING PROVIDED WITH SUITABLY SHAPED VERTICAL PLATES EXTENDING DOWNWARDLY, EACH PLATE HAVING AN HORIZONTAL SLOT INTO WHICH A STUD PROTRUDING FROM THE CARRIER PLATE IS SLIDABLY FITTED, THE STUDS ON THE CARRIER PLATES AND THOSE ON THE TRAYS BEING DISPOSED SO THAT, WHEN THE TRAYS ARE IN THE HORIZONTAL POSITION, THE STUDS ARE AT MUTUALLY DISTANT ENDS OF THEIR RESPECTIVE SLOTS, AND WHEN THE TRAYS ARE IN THE INCLINED POSITION, THE STUDS ARE AT MUTUALLY ADJACENT ENDS OF SAID SLOTS.