Grain drill furrow opener
First Claim
2. A FURROW OPENER FOR A SEEDING IMPLEMENT INCLUDING A SEED TUBE THROUGH WHICH SEED IS DISPENSED, SAID FURROW OPENER COMPRISING A SHOVEL SECTION HAVING SIDES, A LOWER FORWARDLY EXTENDING POINT PORTION, LATERALLY OUTWARDLY AND REARWARDLY FLARING LOWER EDGES, THE LATTER AND SAID POINT PORTION LYING IN A GENERALLY HORIZONTAL PLANE, THE SIDES OF SAID SHOVEL HAVING OVER AND UNDER SURFACES WHICH EXTEND LATERALLY INWARDLY, UPWARDLY AND REARWARDLY FROM SAID LOWER EDGES, AND AN UPPER PORTION SHAPED TO EMBRACE THE LOWER PART OF SAID SEED TUBE, A GENERALLY FORE-AND-AFT RUNNER SECTION COMPRISING A PAIR OF PLATES HAVING INTERMEDIATE AND REAR PORTIONS AND FORWARD VERTICAL PLANAR FIN PORTION FORMED WITH A HORIZONTAL LOWER EDGE AND A FRONT EDGE EXTENDING DOWNWARDLY AND FORWARDLY FROM THE POINT PORTION OF THE SHOVEL SECTION AND FORMING A MOIST SOIL ENTERING POINT, THE INTERMEDIATE AND REAR PORTIONS OF SAID PAIR OF PLATES HAVING SOIL CONTACTING SURFACES EXTENDING DIVERGING UPWARDLY AND REARWARDLY, THE INTERMEDIATE PORTION HAVING CLOSELY SPACED APART SEED GUIDING INNER SURFACES TERMINATING IN SPACED APART HORIZONTAL REARWARDLY DIVERGING LOWER EDGES SPACED ABOVE THE PLANE OF THE LOWER EDGES OF SAID SHOVEL SECTION, PORTION AND BELOW THE HORIZONTAL PLANE FORMED BY THE POINT PORTION AND THE LOWER EDGES OF SAID SHOVEL SECTION, THE REAR PORTION HAVING SPACED APART SEED GUIDING INNER SURFACES FORMED AS A CONTINUANCE OF THE INNER SURFACE OF THE INTERMEDIATE PORTION, SAID REAR SURFACES TERMINATING IN SPACED APART UPWARDLY AND REARWARDLY DIVERGING LOWER EDGES, AND MEANS FIXING THE UPPER EDGES OF SAID PAIR OF PLATES TO SAID LATERALLY INWARDLY, UPWARDLY AND REARWARDLY EXTENDING UNDER SURFACE, THE PARTS BEING SO ARRANGED AND CONSTRUCTED THAT IN OPERATION THE FIN PORTION OF THE RUNNER SECTION WILL FORM A RELATIVELY NARROW SLOT IN MOIST SOIL, THE INNER SURFACES OF THE INTERMEDIATE PORTION WILL GUIDE SEED INTO THE NARROW SLOT AND THE REAWARD LOWER OUTER SURFACES OF THE INTERMEDIATE PORTION WILL EXTEND BEYOND THE WIDTH OF THE SLOT AND REMOVE SOME OF THE MOIST SOIL FROM THE SIDES OF THE SLOT AND DEPOSIT THE REMOVED SOIL INTO THE BOTTOM OF THE SLOT AND COMPLETELY COVER THE SEED THEREIN.
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Accused Products
3 Citations
2 Claims
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2. A FURROW OPENER FOR A SEEDING IMPLEMENT INCLUDING A SEED TUBE THROUGH WHICH SEED IS DISPENSED, SAID FURROW OPENER COMPRISING A SHOVEL SECTION HAVING SIDES, A LOWER FORWARDLY EXTENDING POINT PORTION, LATERALLY OUTWARDLY AND REARWARDLY FLARING LOWER EDGES, THE LATTER AND SAID POINT PORTION LYING IN A GENERALLY HORIZONTAL PLANE, THE SIDES OF SAID SHOVEL HAVING OVER AND UNDER SURFACES WHICH EXTEND LATERALLY INWARDLY, UPWARDLY AND REARWARDLY FROM SAID LOWER EDGES, AND AN UPPER PORTION SHAPED TO EMBRACE THE LOWER PART OF SAID SEED TUBE, A GENERALLY FORE-AND-AFT RUNNER SECTION COMPRISING A PAIR OF PLATES HAVING INTERMEDIATE AND REAR PORTIONS AND FORWARD VERTICAL PLANAR FIN PORTION FORMED WITH A HORIZONTAL LOWER EDGE AND A FRONT EDGE EXTENDING DOWNWARDLY AND FORWARDLY FROM THE POINT PORTION OF THE SHOVEL SECTION AND FORMING A MOIST SOIL ENTERING POINT, THE INTERMEDIATE AND REAR PORTIONS OF SAID PAIR OF PLATES HAVING SOIL CONTACTING SURFACES EXTENDING DIVERGING UPWARDLY AND REARWARDLY, THE INTERMEDIATE PORTION HAVING CLOSELY SPACED APART SEED GUIDING INNER SURFACES TERMINATING IN SPACED APART HORIZONTAL REARWARDLY DIVERGING LOWER EDGES SPACED ABOVE THE PLANE OF THE LOWER EDGES OF SAID SHOVEL SECTION, PORTION AND BELOW THE HORIZONTAL PLANE FORMED BY THE POINT PORTION AND THE LOWER EDGES OF SAID SHOVEL SECTION, THE REAR PORTION HAVING SPACED APART SEED GUIDING INNER SURFACES FORMED AS A CONTINUANCE OF THE INNER SURFACE OF THE INTERMEDIATE PORTION, SAID REAR SURFACES TERMINATING IN SPACED APART UPWARDLY AND REARWARDLY DIVERGING LOWER EDGES, AND MEANS FIXING THE UPPER EDGES OF SAID PAIR OF PLATES TO SAID LATERALLY INWARDLY, UPWARDLY AND REARWARDLY EXTENDING UNDER SURFACE, THE PARTS BEING SO ARRANGED AND CONSTRUCTED THAT IN OPERATION THE FIN PORTION OF THE RUNNER SECTION WILL FORM A RELATIVELY NARROW SLOT IN MOIST SOIL, THE INNER SURFACES OF THE INTERMEDIATE PORTION WILL GUIDE SEED INTO THE NARROW SLOT AND THE REAWARD LOWER OUTER SURFACES OF THE INTERMEDIATE PORTION WILL EXTEND BEYOND THE WIDTH OF THE SLOT AND REMOVE SOME OF THE MOIST SOIL FROM THE SIDES OF THE SLOT AND DEPOSIT THE REMOVED SOIL INTO THE BOTTOM OF THE SLOT AND COMPLETELY COVER THE SEED THEREIN.
Specification
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Current AssigneeArnold E. Welck, William A. Hyland
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Original AssigneeArnold E. Welck, William A. Hyland
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InventorsHyland, William A., Welck, Arnold E.
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Application NumberUS04/220,435Time in Patent Office1,356 DaysField of SearchUS Class Current111/152CPC Class CodesA01C 5/062 Devices for making drills o...
