Grass catcher assembly

Claim 1

IN COMBINATION, A ROTARY MOWER AND CUTTING COLLECTING BAG ASSEMBLY, COMPRISING A ROTARY MOWER HAVING A HANDLE, A CHUTE HAVING AN INLET MOUTH FOR MOUNTING OVER A MATERIAL DISCHARGE OPENING IN THE MOWER HOUSING, SAID INLET MOUTH BEING INCLINED AT AN ACUTE ANGLE TO THE CHUTE AXIS, SAID CHUTE HAVING AN OUTLET MOUTH, THE SECTION OF SAID CHUTE TAKEN IN A PLANE PERPENDICULAR TO THE CHUTE AXIS AND ADJACENT SAID OUTLET MOUTH BEING SUBSTANTIALLY CIRCULAR, THE OUTLET MOUTH OF SAID CHUTE BEING INCLINED AT AN ACUTE ANGLE TO THE CHUTE AXIS IN A DIRECTION OPPOSITE TO THE DIRECTION OF INCLINATION OF SAID INLET MOUTH, THE CIRCUMFERENCE OF THE CHUTE TAKEN ALONG THE PERIPHERY OF SAID OUTLET MOUTH BEING GREATER THAN THE CHUTE CIRCUMFERENCE AT SAID PERPENDICULAR SECTION ADJACENT THE OUTLET MOUTH, A POROUS FABRIC COLLECTING BAG HAVING A CONTINUOUS, SUBSTANTIALLY INEXTENSIBLE INLET THROAT MOUNTED ON SAID CHUTE AT SAID OUTLET MOUTH, AND MEANS FOR SUPPORTING THE REARWARD END OF SAID BAG ON THE MOWER HANDLE, THE CIRCUMFERENCE OF THE INLET THROAT OF SAID BAG SUBSTANTIALLY EQUALLING THE CIRCUMFERENCE OF SAID CHUTE AT SAID PERPENDICULAR SECTION FOR CAUSING SAID BAG THROAT TO GRIP SAID CHUTE WHEN IT IS DRAWN INTO ALIGNMENT WITH THE OUTLET MOUTH OF THE CHUTE, SAID BAG BEING GENERALLY TRIANGULAR IN VERTICAL SECTION AND HAVING A BOTTOM WALL, SIDE WALLS THAT MEET TO FORM AN OPEN UPPER EDGE OF THE BAG, AND A REARWARD END WALL, ONE OF SAID SIDE WALLS HAVING A FLAP THAT OVERLIES THE OTHER SIDE WALL, THE FORCE EXERTED BETWEEN SAID BAG MOUNTING MEANS AND THE BAG INLET THROAT CAUSING SAID FLAP TO MAINTAIN SAID UPPER EDGE OF THE BAG CLOSED.