Press grain drill
First Claim
1. An arrangement for mounting a self-penetrating shovel and a soil compacting device on a frame disposed above the ground in a press grain drill comprising first means movably coupling the shovel to the frame, the first means disposing the shovel at a given pitch relative to the ground and providing for generally up and down movement of the shovel relative to the frame while substantially maintaining the given pitch, and second means movably coupling the soil compacting device to the shovel, the second means being responsive to movement of the shovel relative to the frame in a given direction to move the soil compacting device relative to the shovel in the given direction.
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Accused Products
Abstract
A press grain drill includes a plurality of opener units mounted on an elongated tow tube and including a plurality of elongated, pivotably coupled elements forming a pair of parallelograms which support a self-penetrating shovel and a press wheel respectively. A first one of the parallelograms permits up and down movement of the shovel relative to the tow tube while maintaining the pitch of the shovel relative to the ground substantially constant. A second one of the parallelograms responds to each movement of the shovel to move the press wheel in the same direction and relative to the shovel so as to maintain the depth of the shovel within the ground substantially constant. Whenever the tow tube which is coupled by pairs of parallel links to an elongated main frame tool bar is raised relative to the tool bar for towing, a lift tube coupled to the links via bracket numbers engages the opener units to lift them relative to the tow tube.
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Citations
23 Claims
- 1. An arrangement for mounting a self-penetrating shovel and a soil compacting device on a frame disposed above the ground in a press grain drill comprising first means movably coupling the shovel to the frame, the first means disposing the shovel at a given pitch relative to the ground and providing for generally up and down movement of the shovel relative to the frame while substantially maintaining the given pitch, and second means movably coupling the soil compacting device to the shovel, the second means being responsive to movement of the shovel relative to the frame in a given direction to move the soil compacting device relative to the shovel in the given direction.
- 3. In a press grain drill, an arrangement for mounting a self-penetrating shovel and a soil compacting device on a frame which is disposed above and moved along the ground comprising a pivoting mechanism coupled to the frame and having the soil compacting device coupled to an end portion thereof opposite the frame and the shovel coupled to an intermediate portion thereof between the soil compacting device and the frame, the pivoting mechanism being operative to dispose the shovel in the ground at a given pitch and to move the shovel generally up and down relative to the frame to maintain the shovel in the ground at substantially the given pitch, the pivoting mechanism being operative in response to each upward movement of the shovel relative to the frame to move the soil compacting device upwardly relative to the shovel and being operative in response to each downward movement of the shovel relative to the frame to move the soil compacting device downwardly relative to the shovel.
- 5. A press grain drill comprising main frame means, wheel means depending from and supporting the main frame means at a generally fixed distance above the ground, auxiliary frame means, means coupling the auxiliary frame means to the main frame means, the means coupling being operative to permit movement of the auxiliary frame between an operative position in which the auxiliary frame means is a generally fixed first distance above the ground and a towing position in which the auxiliary frame means is a generally fixed second distance above the ground greater than the fixed first distance, means for selectively moving the auxiliary frame means into the operative position or the towing position, a plurality of opener units coupled to the auxiliary frame means, the opener units being disposed in an operative position upon the ground when the auxiliary frame means is in the operative position and being raised clear of the ground when the auxiliary frame means is in the towing position, and means coupled to the auxiliary frame means for raising the opener units relative to the auxiliary frame means as the auxiliary frame means is moved into the towing position.
- 10. An arrangement for mounting a shovel and a press wheel on a frame in a press grain drill, the frame being maintained a generally fixed distance from the ground during use of the press grain drill, comprising first means coupling the shovel to the frame, the first means permitting movement of the shovel relative to the frame to position the shovel within the ground at a selected depth, and second means coupling the press wheel to the frame, the second means including at least a portion of the first means and permitting movement of the press wheel relative to the frame to position the press wheel within a furrow plowed by the shovel at a selected depth which is different by a selected amount from the selected depth of the shovel, the second means being operative to move the press wheel relative to the frame by an amount greater than and forming a fixed ratio with each amount of movement of the shovel relative to the frame to maintain the depth of the press wheel different by the selected amount from the depth of the shovel for terrain variations in the ground, the first means comprising a first plurality of elongated elements pivotably coupled to each other between the shovel and the frame to form a first parallelogram which varies in shape as the shovel moves relative to the frame and the second means comprising a second plurality of elongated elements pivotably coupled to each other between the first plurality of elongated elements and the press wheel to form a second parallelogram which varies in shape as the shovel moves relative to the frame.
- 14. A press grain drill comprising an elongated main frame tool bar, wheel means depending from and supporting the main frame tool bar generally parallel to and at a generally fixed distance above the ground, an elongated tow tube disposed parallel to and spaced apart from the main frame tool bar, a plurality of pairs of links spaced along the lengths of the main frame tool bar and the tow tube, each pair of links being pivotably coupled to the main frame tool bar and to the tow tube to permit movement of the tow tube relative to the main frame tool bar, means coupled to the main frame tool bar for selectively moving the tow tube relative to the main frame tool bar between an operative position at a first generally fixed distance above the ground and a towing position at a second generally fixed distance above the ground which is greater than the first generally fixed distance, a plurality of opener units coupled to the tow tube along the length thereof and each having a shovel and a press wheel, the shovel and the press wheel of each opener unit being disposed on the ground when the tow tube is in the operative position and being raised clear of the ground when the tow tube is in the towing position, each opener unit including an elongated member pivotably coupled to the tow tube, and an elongated lift tube coupled to the pairs of links and disposed generally parallel to the tow tube, the lift tube being disposed below the elongated member of each opener unit when the tow tube is in the operative position, and being operative to engage and raise the elongated member of each opener unit relative to the tow tube as the tow tube is moved into the towing position.
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17. An arrangement for mounting a shovel and a press wheel on a frame in a press grain drill comprising:
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a first elongated member pivotably coupled at a first end thereof to the frame at a first location on the frame; a second elongated member pivotably coupled at a first end thereof to the frame at a second location on the frame spaced apart from the first location; a third elongated member pivotably coupled at a first end thereof to a second end of the first elongated member and at a central portion thereof to a central portion of the second elongated member, a second end of the third elongated member being coupled to the shovel; a fourth elongated member pivotably coupled at a first end thereof to a second end of the second elongated member and coupled at a second end thereof to the press wheel; and a fifth elongated member pivotably coupled at a first end thereof to the third elongated member adjacent the second end of the third elongated member and at a second end thereof to the second end of the fourth elongated member. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification