Herbicide dispenser

Claim 1

IN COMBINATION, SUPPORT MEANS, A PRESS WHEEL FOR A PLANTER ROTATABLY CARRID BY SAID SUPPORT MEANS, FOREAND-AFT EXTENDING BRACKET MEANS SECURED AT ONE END TO SAID SUPPORT MEANS, A HOPPER ADAPTED TO RECEIVE GRANULAR HERBICIDE MATERIAL, MEANS TO SECURE SAID HOPPER TO THE OTHER END OF SAID BRACKET MEANS, AN OPENING IN THE BOTTOM OF THE HOPPER THROUGH WHICH THE GRANULAR HERBICIDE MATERIAL MAY NORMALLY FLOW, MEANS TO VARY THE EFFECTIVE CROSS-SECTIONAL AREA OF THE OPENING WHEREBY THE RATE OF FLOW OF THE MATERIAL THROUGH THE OPENING MAY BE VARIED, SUPPORT MEANS FIXEDLY MOUNTED ON SAID OTHER END OF SAID BRACKET MEANS, A HERBICIDE DIFFUSER MEANS FIXEDLY MOUNTED ON SAID SUPPORT MEANS AND HAVING A RELATIVELY MOUNTED UPPER OPENING AND A RELATIVELY WIDE LOWER OPENING, THE RELATIVELY NARROW OPENING BEING DISPOSED ADJACENT THE OPENING IN SAID HOPPER, AND THE RELATIVELY WIDE LOWER OPENING BEING DISPOSED BEHIND AND IN LINE WITH SAID PRESS WHEEL, AND MEANS DISPOSED BETWEEN THE UPPER AND LOWER OPENINGS IN SAID DIFFUSER TO RECEIVE AND TO DIFFUSE THE HERBICIDE.