Waste disposal devices

Claim 1

A WASTE DISPOSAL DEVICE, COMPRISING: A FRAME; A HOUSING SUPPORTED BY SAID FRAME HAVING A WALL DEFINING A CYLINDRICAL CHAMBER FOR RECEIVING WASTE MATERIAL; A STORAGE HOPPER FOR WASTE MATERIAL MOUNTED UPON SAID WALL ABOVE SAID CHAMBER; A SHAFT MOUNTED IN SAID HOUSING FOR ROTATION ABOUT A VERTICAL AXIS; DRIVE MEANS CONNECTED WITH SAID SHAFT; ROTOR MEANS CARRIED BY SAID SHAFT; ROTOR MEANS CARRIED BY SAID SHAFT DISPOSED IN SAID CHEMBER, SAID ROTOR MEANS INCLUDING A CIRCULAR PORTION SLIGHTLY SMALLER DIAMETER THAN SAID CHAMBER; MULCHING KNIFE MEANS MOUNTED UPON SAID CIRCULAR PORTION FOR CHOPPING AND DISTRIBUTING WASTE MATERIAL IN SAID CHAMBER FROM SAID HOPPER, SAID CIRCULAR PORTION HAVING A FEED SLOT EXTENDING THERETHROUGH; A FEED KNIFE MOUNTED UPON SAID CIRCULAR PORTION AND PARTIALLY OVERLAPPING SAID SLOT; A STATIONARY CUTTER BAR PROJECTING INWARDLY FROM SAID WALL ABOVE SAID CIRCULAR PORTION AND INCLUDING A BLADE POSITIONED TO COOPERATE WITH SAID FEED KNIFE TO CHOP WASTE MATERIAL TO A SIZE TO PASS THROUGH SAID FEED SLOT AND TO AID IN AFFECTING FEEDING OF THE CHOPPED WASTE MATERIAL THROUGH SAID FEED SLOT; A PLURALITY OF STACKS OF ALTERNATE GRINDING BLADES AND SPACERS DISPOSED BELOW SAID CIRCULAR PORTION; A RETAINER PLATE BELOW SAID STACKS OF SPACERS AND GRINDING BLADES; MEANS SESECURING SAID CIRCULAR PORION, STACKS OF SPACERS AND GRINDING BLADES, AND RETAINER PLATE IN ASSEMBLED RELATION, INCLUDING MEANS HOLDING THE GRINDING BLADES OF SAID STACKS FROM RELATIVE ROTATION WITH RESPECT TO EACH OTHER, AND HOLDING SAID STACKS OF GRINDING BLADES FROM ROTATING RELATIVE TO SAID CIRCULAR PORTION AND RETAINER PLATE, THE WALL DEFINING SAID CHAMBER HAVING LONGITUDINAL GROOVES FORMED THEREIN IN THE PORTION THEREOF SURROUNDING SAID ROTOR MEANS TO RETARD MOVEMENT OF WASTE MATERIAL RELATIVE TO SAID CHAMBER WALLS, SAID HOUSING HAVING AN ENLARGEMENT AT ONE SIDE THEREOF PROVIDING A COMPARTMENT COMMUNICATING WITH SAID CHAMBER; A STACK OF ALTERNATE SPACERS AND FINGER BLADES LOCATED IN SAID COMPARTMENT; MEANS RETAINING SAID FINGER BLADES FROM ROTATING RELATIVE TO EACH OTHER AND RELATIVE TO SAID COMPARTMENT; MEANS FOR ADJUSTING SAID FINGER BLADES FROM A RETRACTED POSITION WITHIN AID COMPARTMENT TO A POSITION IN WHICH THEY EXTEND BETWEEN THE GRINDING BLADES, SAID LAST-MENTIONED MEANS INCLUDING A HANDLE ADJUSTABLE FROM THE EXTERIOR OF SAID ENLARGMENT, SAID HOUSING HAVING AN INLET FOR A WATER JET LOCATED IN THE PLANE OF SAID STACKS OF GRINDING BLADES, BUT BELOW SAID CIRCULAR PORTION, SAID HOUSING ALSO HAVING A DISCHARGE OPENING AT THE BOTTOM OF THE CHAMBER AND AN INLET FOR A WATER JET IN THE PLANE OF SAID DISCHARGE OPENING, SAID RETAINER PLATE BEING LOCATED NEAR THE BOTTOM OF SAID CHAMBER; AND IMPELLER VANES ATTACHED TO SAID RETAINER PLATE AT THE LOWER SIDE THEREOF FOREXPELLING WASTE MATERIAL FROM SAID CHAMBER THROUGH SAID DISCHARGE OPENING.