Concrete block making machine

Claim 1

IN A MACHINE FOR MAKING CONCRETE BLOCKS AND COMPRISING A VERTICAL SUPPORTING FRAMEWORK, CROSS MEMBERS IN SAID FRAMEWORK; RESILIENT MEMBERS IN SAID CROSS MEMBERS, AND A PAIR OF VERTICALLY POSITIONED RODS MOVABLY MOUNTED IN SAID RESILIENT MEMBERS, A MOLD BOX FOR RECEIVING A CEMENT MIXTURE POSITIONED BETWEEN SAID RODS AND SECURED THERETO, A CORE ASSEMBLY AND A SUPPORT BASE THEREFOR MOVABLY MOUNTED ON SAID VERTICAL RODS BENEATH SAID MOLD BOX FOR REGISTRY VERTICALLY INTO AND OUT OF SAID MOLD BOX AND A PACKER HEAD MOVABLY MOUNTED ON SAID VERTICAL RODS ABOVE SAID MOLD BOX AND MOVABLE VERTICALLY INTO AND OUT OF SAID MOLD BOX, MEANS ON SAID FRAMEWORK FOR IMPARTING HORIZONTAL AND VERTICAL VIBRATING MOTION TO SAID MOLD BOX, RODS, CORE ASSEMBLY, SUPPORT BASE AND PACKER HEAD AS PERMITTED BY SAID RESILIENTLY MOUNTED RODS, MEANS FOR DELIVERING PREDETERMINED QUANTITIES OF MATERIAL INTO SAID MOLD BOX, SAID MEANS COMPRISING AN ELEVATED FEED HOPPER HAVING A DISCHARGE OPENING IN THE UPPER PORTION OF SAID MACHINE, A HORIZONTALLY DISPOSED ENDLESS FEED BELT POSITIONED IMMEDIATELY BELOW SAID FEED HOPPER SO AS TO PARTIALLY RESTRICT SAID DISCHARGE OPENING OF SAID FEED HOPPER, MEANS FOR IMPARTING DRIVING MOTION TO SAID FEED BELT TO MOVE SAID MATERIAL, A NORMALLY HORIZONTALLY DISPOSED ENDLESS WEIGHING BELT TILTABLY POSITIONED BENEATH SAID FEED BELT AND EXTENDING OUTWARDLY THEREFROM AND HAVING ONE END DISPOSED IN A POSITION FOR DELIVERING MATERIAL THEREFROM INTO SAID MOLD BOX, PIVOTED SUPPORT MEANS IN SAID FRAMEWORK TILTABLY MOUNTING SAID WEIGHING BELT, MEANS FOR IMPARTING DRIVING MOTION TO SAID WEIGHING BELT AND CONTROL MEANS ON SAID WEIGHING BELT SUPPORT MEANS RESPONSIVE TO THE POSITION THEREOF FOR CONTROLLING SAID MEANS FOR IMPARTING DRIVING MOTION TO SAID FEED BELT.