Grass catching attachment for rotary mowers

Claim 1

FOR A ROTARY LAWN MOWER HAVING A HOUSING AND ADAPTED TO DISCHARGE GRASS CUTTINGS LATERALLY THROUGH AN OPENING IN THE HOUSING, BAG ATTACHING MEANS INCLUDING A BRACKET ADAPTED TO BE SECURED TO SAID HOUSING AND A TUBULAR EXTENSION OF SAID BRACKET DEFINING A RESTRICTED PASSAGE FOR SAID GRASS CUTTINGS, THE IMPROVEMENTS WHICH COMPRISE: A BAG HAVING A RELATIVELY LARGE MOUTH PORTION AT ONE END ADAPTED TO BE WRAPPED AROUND SAID TUBULAR EXTENSION AND A NORMALLY CLOSED END FOR CONFINING GRASS CUTTINGS RECEIVED THROUGH SAID MOUTH PORTION, SAID BAG HAVING A HEM ENCOMPASSING THE MOUTH THEREOF, A PLURALITY OF STRAIGHT, SUBSTANTIALLY RIGID BAG FASTENING MEMBERS HINGEDLY JOINED TOGETHER AND CONTAINED IN SAID HEM, SAID MEMBERS BEING EXTENSIBLE AND RETRACTABLE ANGULARLY ONE RELATIVE TO THE OTHERS TO PERMIT SELECTIVE EXPANSION AND CONTRACTION OF SAID MOUTH PORTION OF THE BAG, A BAG SUPPORT ARM HINGEDLY JOINED TO SAID BRACKET AND DISPOSED TO EXTEND OBLIQUELY UPWARDLY THEREFROM TO SUPPORT SAID CLOSED END OF THE BAG, MEANS FOR SECURING SAID PORTING THE BAG ON SAID ARM, MEANS FOR SECURING SAID MEMBERS IN RETRACTED POSITION TOGETHER WITH THE MOUTH PORTION OF THE BAG ABOUT SAID TUBULAR EXTENSION OF SAID BRACKET, SAID SECURING MEANS COMPRISING A CLAMP DISPOSED TO OVERLIE AND RETRACTED MEMBERS ON SAID TUBULAR EXTENSION TO RETAIN THE SAME UNDER COMPRESSION, AND A PRESSURE PLATE OPERATIVELY CONNECTED TO SAID ARM WHEREBY TO HOLD SAID MEMBERS UNDER COMPRESSION WHEN SAID ARM IS EXTENDED IN BAG SUPPORTING POSITION.