Apparatus for laying strips of paving material

Claim 1

APPARATUS FOR FORMING RAISED STRIPS OF PAVING MATERIAL ON A SURFACE AND PARTICULARLY RAISED STRIPS WHICH EXTEND TRANSVERSELY OF AN INCLINED SURFACE, SAID APPARATUS HAVING A MAING FRAME, A HOPPER MOUNTED ON SAID MAIN FRAME AND INTO WHICH PAVING MATERIAL IS ADAPTED TO BE RECEIVED, AND ELONGATE MOLD MOUNTED ON SAID MAIN FRAME AND HAVING AN OPEN, TRANSVERSELY INCLINED BOTTOM AND AN OPEN REAR END, FEED MEANS COMMUNICATING WITH SAID HOPPER AND THE FORWARD END OF SAID MOLD FOR FEEDING PAVING MATERIAL FROM SAID HOPPER INTO SAID MOLD UNDER PRESSURE SO AS TO PACK THE PAVING MATERIAL INTO THE MOLD AND TO THUS MOVE THE APPARATUS FORWARDLY OVER THE SURFACE DUE TO THE PRESSURE OF THE PAVING MATERIAL BEING FED INTO THE MOLD ON THE PAVING MATERIAL WITHIN THE MOLD, A PAIR OF INDEPENDENT FRAME SECTIONS DISPOSED ONE ON EACH SIDE OF SAID MAIN FRAME AND EXTENDING UPWARDLY THEREABOVE AND ADAPTED TO CONTACT THE SURFACE FOR MOVEMENT THEREOVER, AND MEANS MOUNTING AND SUSPENDING OPPOSITE SIDES OF SAID MAIN FRAME ON THE TOP OF SAID FRAME SECTIONS FOR ADDED STABILITY OF THE APPARATUS DURING MOVEMENT THEREOF OVER THE SURFACE AND FOR INDEPENDENT VERTICAL ADJUSTMENT OF OPPOSITE SIDES OF SAID MAIN FRAME TO POSITION SAID MAIN FRAME AT VARYING HEIGHTS ABOVE THE SURFACE FOR ACCOMMODATING MOLDS OF VARYING HEIGHTS AND TO POSITION SAID MAIN FRAME IN A HORIZONTAL PLANE REGARDLESS OF THE INCLINE OF THE SURFACE.