Rotary mower

Claim 1

A ROTARY LAWN MOWER COMPRISING A MOWER HOUSING INCLUDING A DEPENDING AND CIRCULAR OUTER FLANGE PORTION AND A DEPENDING AND CIRCULAR INNER BAFFLE PORTION SPACED RADIALLY INWARD FROM SAID OUTER FLANGE PORTION AND TERMINATING AT AN ELEVATION ABOVE THE LOWER EDGE OF SAID OUTER FLANGE PORTION, SAID PORTIONS DEFINING AN ANNULUS THEREBETWEEN, SAID OUTER FLANGE PORTION HAVING AN OPENING THEREIN FOR THE DISCHARGE OF GRASS CLIPPINGS FROM SAID ANNULUS, A SHAFT ROTATABLY MOUNTED IN SAID HOUSING AND EXTENDING AND TERMINATING WITH THE CONFINES OF SAID INNER BAFFLE PORTION, A FRUSTO-CONICAL CIRCULAR PLATE ATTACHED TO SAID SHAFT AT THE SMALLER DIAMETER END OF SAID PLATE AND WITH THE LARGER DIAMETER OF SAID PLATE BEING OF A DIAMETER GREATER THAN THAT OF SAID CIRCULAR INNER BAFFLE PORTION TO EXTEND THEREBYOND AND WITH THE CONICAL PORTION OF SAID PLATE BEING DISPOSED TO EXTEND BEYOND THE PLANE OF SAID INNER BAFFLE PORTION TO OVERLAP THE LATTER, FAN LADES AND CUTTER BLADES ATTACHED TO THE OUTER CIRCUMFERENCE OF SAID PLATE AND DISPOSED BETWEEN THE UPRIGHT PLANES OF SAID PORTIONS, SAID CUTTER BLADES BEING PITCHED UPWARDLY AND SAID FAN BLADES BEING DISPOSED ON THE UPPER SURFACE OF SAID PLATE AT THE OUTER CIRCUMFERENCE THEREOF AND EXTENDING UPWARDLY THEREFROM AND BEING PITCHED TO FACE TOWARD SAID OUTER FLANGE PORTION WITH BOTH SAID PITCHES ARRANGED FOR BLOWING AIR RADIALLY OUTWARDLY AND UPWARDLY AGAINST THE UNDERSURFACE OF SAID HOUSING IN SAID ANNULUS TO KEEP SAID CLIPPINGS FROM CLINGING TO SAID UNDER SURFACE.