Light weight bearings for gear pumps

Claim 1

A GEAR TYPE LIQUID PUMP, COMPRISING: A HOUSING CONTAINING A PAIR OF ADJOINING SUBSTANTIALLY CYLINDRICAL CHAMBERS HAVING RADIAL END WALLS; A TOOTHED GEAR MEMBER IN EACH OF SAID CYLINDRICAL CHAMBERS, SAID GEAR MEMBERS MESHING AT THE JUNCTURE OF SAID CYLINDRICAL CHAMBERS AND HAVING OPPOSITELY EXTENDING SUPPORTING JOURNALS, SAID HOUSING HAVING AN INLET AND AN OUTLET, A BUSHING MEMBER IN EACH OF SAID CYLINDRICAL CHAMBERS ASSOCIATED WITH SAID GEAR MEMBERS ON AT LEAST ONE SIDE OF SAID GEAR MEMBES, SAID BUSHING MEMBERS EACH HAVING A FLANGE, EACH FLANGE HAVING SELECTED PORTIONS THEREOF CUTAWAY TO PROVIDE A FLANGE SEGMENT HAVING AN ACUTE ANGULAR DISPLACEMENT EXTENDING FROM SAID OUTLET TO SAID INLET WITH A FRONT FACE COOPERABLE WITH THE ADJACENT SIDE FACE OF ITS ASSOCIATED GEAR MEMBER TO FORM A SEAL THEREWITH AND A PLURALITY OF PASSAGEWAY EXTENDING THE FULL AXIAL LENGTH OF SAID BUSHING, SAID CUTAWAY PORTIONS FORMING AT LEAST ONE LUG MEMBER EXTENDING RADIALLY FROM THE MAIN PORTION OF SAID BUSHING, SAID LUG CIRUMFERENTIALLY POSITIONED ADJACENT SAID ZONE OF JUNCTURE AND AXIALLY DISPLACED FROM THE ADJACENT SIDE FACE OF SAID GEAR MEMBER TO PROVIDE A PASSAGEWAY THEREBETWEEN THROUGH WHICH DISCHARGE PRESSURE CIRCUMFERENTIALLY FLOWS INTO SAID CUTAWAY PORTION TO APPLY FLUID AT DISCHARGE PRESSURE TO THE BACK FACE OF SAID FLANGE SEGMENT TO BIAS THE BUSHING TOWARD THE SIDE FACES OF ITS ADJACENT GEAR MEMBER.