Agricultural apparatus with integrated controller for a row unit
First Claim
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1. An agricultural row unit for use with a towing frame hitched to a towing vehicle, the agricultural row unit comprising:
- an attachment frame adapted to be rigidly connected to the towing frame;
a linkage assembly pivotably coupled to the attachment frame;
a hydraulic cylinder located on the row unit and coupled to the linkage assembly, the hydraulic cylinder being mounted to apply pressure to the linkage assembly; and
a controller coupled to the hydraulic cylinder and located on the row unit for controlling the pressure applied by the hydraulic cylinder.
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Abstract
An agricultural row unit includes a linkage assembly that is pivotably coupled to an attachment frame. A hydraulic cylinder is coupled to the linkage assembly and applies pressure to the linkage assembly. A controller is mounted in the row unit such that is coupled to the hydraulic cylinder for controlling the pressure applied by the hydraulic cylinder.
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Citations
20 Claims
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1. An agricultural row unit for use with a towing frame hitched to a towing vehicle, the agricultural row unit comprising:
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an attachment frame adapted to be rigidly connected to the towing frame; a linkage assembly pivotably coupled to the attachment frame; a hydraulic cylinder located on the row unit and coupled to the linkage assembly, the hydraulic cylinder being mounted to apply pressure to the linkage assembly; and a controller coupled to the hydraulic cylinder and located on the row unit for controlling the pressure applied by the hydraulic cylinder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An agricultural system, comprising:
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a source for supplying pressurized fluid; a towing frame attachable to a towing vehicle; and a plurality of row units attached to the towing frame and arranged in a side-by-side arrangement, each row unit of the plurality of row units including an attachment frame attached to the towing frame, a linkage assembly pivotably coupled to the attachment frame, a hydraulic cylinder coupled to the linkage assembly and applying pressure to the linkage assembly, and a controller mounted to the respective row unit and coupled to the hydraulic cylinder for controlling the pressure applied by the hydraulic cylinder. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. An agricultural system, comprising:
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a source for supplying pressurized fluid; a towing frame attachable to a towing vehicle; a first row unit attached to the towing frame and including a first attachment frame attached to the towing frame, a first hydraulic cylinder coupled to the first attachment frame and applying pressure to at least a portion of the first row unit, a first control valve coupled to the first hydraulic cylinder for adjusting the pressure, and a first controller coupled to the first control valve for controlling the adjusting of pressure; and a second row unit attached to the towing frame in a side-by-side arrangement with the first row unit, the second row unit including a second attachment frame attached to the towing frame, a second hydraulic cylinder coupled to second attachment frame and applying pressure to at least a portion of the second row unit, a second control valve coupled to the second hydraulic cylinder for adjusting the pressure, and a second controller coupled to the second control valve for controlling the adjusting of the pressure. - View Dependent Claims (18, 19, 20)
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Specification