Machinery for the making of roads and the like

Claim 1

A MACHINE FOR LAYING FLOWABLE, HARDENABLE MATERIAL ON A ROAD OR LIKE SURFACE, THE MACHINE COMPRISING: (A) A WHEEL CHASSIS, (B) A HOPPER CARRIED ON THE FRONT END OF THE CHASSIS, (C) A SUB-FRAME PIVOTALLY MOUNTED ON THE FRONT END OF SAID CHASSIS, (D) A TRANSVERSE SCREED MOUNTED ON THE REAR END OF THE SUB-FRAME AND EXTENDING TRANSVERSELY OF THE MACHINE AND INCLUDING THREE ALIGNED BUT SPACED SEPARATE SCREED PARTS, (E) A COMMON SPREADER PLATE ATTACHED TO AND PROJECT ING REARWARDLY FROM THE SAID SCREEN PARTS AND EXTENDING TRANSVERSELY OF THE REAR END OF THE FRAME, (F) RIGID BRIDGING MEANS CONNECTING THE OUTER TWO SCREED PARTS, (G) MOVING MEANS EXTENDING BETWEEN SAID BRIDGING MEANS AND THE INNER SCREED PART AND BEING OPERABLE TO MOVE THE SAID INNER SCREED PART RELATIVE TO THE OUTER SCREED PARTS, THEREBY DEFORMING THE SPREADER PLATE, (H) ADJUSTABLE MEANS INTERCONNECTING THE SUB-FRAME AND SAID CHASSIS FOR MOVING THE SUB-FRAME ABOUT ITS PIVOT TO RAISE AND LOWER THE REAR END OF THE SUBFRAME SO AS TO REGULATE THE HEIGHT OF THE SCREED ABOVE THE GROUND, AND (I) ADJUSTABLE MEANS FOR INCREASING AND DECREASING THE ANGLE OF ATTACK OF THE SPREADER PLATE.