Mortar-plaster mixer

Claim 1

AN APPARATUS FOR MIXING MORTAR OR PLASTER HAVING IN COMBINATION, A FRAME INCLUDING A BASE MEMBER AND A PAIR OF LATERALLY SPACED SUPPORT MEMBERS EXTENDING UPWARDLY FROM SAID BASE MEMBER AND CARRYING TRUNNION MEANS, A CYLINDRICAL MIXING DRUM HAVING A HOPPER FORMED ON A PORTION OF ITS PERIPHERY AND PROVIDED WITH AN OPENING FOR LOADING AND DISCHARGING THE DRUM AND A DISCHARGE LIP, MEANS AFFIXED TO THE ENDS OF SAID DRUM AT THE PERIPHERY OF THE DRUM AND ENGAGING SAID TRUNNION MEANS TO PROVIDE A SWINGABLE MOUNTING FOR THE DRUM, PERMITTING IT TO BE SWUNG FROM A LOWER POSITION WHEREIN THE HOPPER OPENING IS IN A GENERALLY HORIZONTAL PLANE TO FACILITATE RECEIVING MATERIAL, TO AN UPPER POSITION WHEREIN THE HOPPER OPENING IS IN SUBSTANTIALLY A VERTICAL PLANE TO FACILITATE DISCHARGING MATERIAL WITH MATERIAL DISCHARGING THEREFROM OVER THE DISCHARGE LIP IN MOVING FROM THE LOWER POSITION TO THE UPPER POSITION WITH THE LIP MOVING OVER A SMALL ARC OF MOVEMENT, A HYDRAULIC PISTON AND CYLINDER DEVICE CONNECTED BETWEEN SAID FRAME AND SAID DRUM FOR SWINGING THE DRUM FOR THE LOWER CHARGE POSITION TO THE UPPER DISCHARGE POSITION, A CONTROL FOR OPERATING SAID HYDRAULIC PISTON AND CYLINDER, A ROTARY MIXING DEVICE INCLUDING MIXING BLADES WITHIN SAID DRUM AND MEANS FOR CONTINUALLY DRIVING THE MIXING DEVICE IN ALL POSITIONS OF SAID DRUM INCLUDING A SET OF MESHING GEARS WITH A GEAR MOVABLE WITH THE DRUM REVOLVING ABOUT A GEAR NOT MOVABLE WITH THE DRUM.

Claim 2

AN APPARATUS FOR MIXING MORTAR OR PLASTER HAVING IN COMBINATION, A FRAME INCLUDING A BASE MEMBER AND A PAIR OF LATERALLY SPACED SUPPORT MEMBERS EXTENDING UPWARDLY FROM SAID BASE MEMBER AND CARRYING TRUNNION MEANS, A CYLINDRICAL MIXING DRUM HAVING A HOPPER FORMED ON A PORTION OF ITS PERIPHERY AND PROVIDED WITH AN OPENING FOR LOADING AND DISCHARGING THE DRUM AND A DISCHARGE LIP, MEANS AFFIXED TO THE ENDS OF SAID DRUM AT THE PERIPHERY OF THE DRUM AND ENGAGING SAID TRUNNION MEANS TO PROVIDE A SWINGABLE MOUNTING FOR THE DRUM, PERMITTING IT TO BE SWUNG FROM A LOWER POSITION WHEREIN THE HOPPER OPENING IS IN A GENERALLY HORIZONTAL PLANE TO FACILITATE RECEIVING MATERIAL, TO AN UPPER POSITION WHEREIN THE HOPPER OPENING IS IN SUBSTANTIALLY A VERTICAL PLANE TO FACILITATE DISCHARGING MATERIAL WITH MATERIAL DISCHARGING THEREFROM OVER THE DISCHARGE LIP IN MOVING FROM THE LOWER POSITION TO THE UPPER POSITION WITH THE LIP MOVING OVER A SMALL ARC OF MOVEMENT, A HYDRAULIC PISTON AND CYLINDER DEVICE CONNECTED BETWEEN SAID FRAME AND SAID DRUM FOR SWINGING THE DRUM FOR THE LOWER CHARGE POSITION TO THE UPPER DISCHARGE POSITION, A CONTROL FOR OPERATING SAID HYDRAULIC PISTON AND CYLINDER, A ROTARY MIXING DEVICE INCLUDING MIXING BLADES WITHIN SAID DRUM AND MEANS FOR CONTINUALLY DRIVING THE MIXING DEVICE IN ALL POSITIONS OF SAID DRUM INCLUDING A SET OF MESHING GEARS WITH A GEAR MOVABLE WITH THE DRUM REVOLVING ABOUT A GEAR NOT MOVABLE WITH THE DRUM.