Adjustable grass catching attachment for rotary mowers

Claim 1

A GASS CATCHING ATTACHMENT FOR LAWN MOWER HOUSINGS OF THE TYPE HAVING A LATERAL DISCHARGE OPENING, SAID ATACHMENT COMPRISING: (A) AN ELONGATED SUPPORTING MEMBER HAVING A BAGSUPPORTING OUTER END PORTION AND AN INNER END PORTION ADAPTED FOR SECUREMENT TO THE TOP WALL OF THE MOWER HOUSING IN CLOSELY SPACED RELATION TO SAID DISCHARGE OPENING, (B) A GENERALLY RECTANGULAR FRAME RIGIDLY SECURED TO SAID SUPPORTING MEMBER AND DEPENDING THEREFROM IN OUTWARDLY SPACED RELATION TO THE INNER END PORTION OF SAID SUPPORTING MEMBER, SAID FRAME COMPRISING: (1) A PLURALITY OF L-SHAPED FRAME SECTIONS WHICH ARE SLIDABLY INTERCONNECTED AND EXTENSIBLE AND RETRACTABLE WITH RESPECT TO ONE ANOTHER FOR INCREASING OR DECREASING THE SIZE OF SAID RECTANGULAR FRAME IN CORRESPONDENCE WITH VARIOUS SIZES OF MOWER DISCHARGE OPENINGS, AND (2) MEANS FOR RELEASABLE SECURING SAID FRAME SECTIONS TO ONE ANOTHER, AND (C) A CLAMPING DEVICE FOR DETACHABLY SECURING THE INNER END PORTION OF THE SUPPORTING MEMBER TO THE TOP WALL OF THE MOWER HOUSING WITH SAID FRAME ABUTTING AND GENERALLY COMPASSING THE DISCHARGE OPENING OF SAID MOWER HOUSING.