Agricultural apparatus with hybrid single-disk, double-disk coulter arrangement
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01B-005/04
A01B-015/16
A01B-015/18
A01B-049/06
A01B-049/02
A01B-061/04
A01B-063/24
A01B-063/00
A01C-005/06
A01C-007/20
A01C-021/00
출원번호
US-0944052
(2015-11-17)
등록번호
US-9861022
(2018-01-09)
발명자
/ 주소
Bassett, Joseph D.
출원인 / 주소
Dawn Equipment Company
대리인 / 주소
Nixon Peabody LLP
인용정보
피인용 횟수 :
2인용 특허 :
257
초록▼
An agricultural row unit assembly includes an attachment frame, a swing-arm, an opener disk, a deflecting disk, a support, a gauge wheel, and a ground-hardness sensor. The opener disk is mounted to and offset from the distal end of the swing-arm for forming a furrow, and is configured to rotate abou
An agricultural row unit assembly includes an attachment frame, a swing-arm, an opener disk, a deflecting disk, a support, a gauge wheel, and a ground-hardness sensor. The opener disk is mounted to and offset from the distal end of the swing-arm for forming a furrow, and is configured to rotate about a first axis. The deflecting disk is mounted to the distal end of the swing-arm for deflecting debris from entering the furrow, and is configured to rotate about a second axis. The support has a first end pivotably mounted to the swing-arm and a second end movable relative to the opener disk. The gauge wheel is mounted to the second end of the support. The ground-hardness sensor is disposed within the swing-arm and is configured to detect movement of the gauge wheel relative to the opener disk.
대표청구항▼
1. An agricultural row unit assembly, comprising: an attachment frame configured for attachment to a tow bar movable in a direction of travel;a swing-arm having a proximal end and a distal end, the proximal end being coupled to the attachment frame;an opener disk mounted to and offset from the dista
1. An agricultural row unit assembly, comprising: an attachment frame configured for attachment to a tow bar movable in a direction of travel;a swing-arm having a proximal end and a distal end, the proximal end being coupled to the attachment frame;an opener disk mounted to and offset from the distal end of the swing-arm for forming a furrow, the opener disk being configured to rotate about a first axis relative to the direction of travel;a deflecting disk mounted to the distal end of the swing-arm for deflecting debris from entering the furrow, the deflecting disk being configured to rotate about a second axis relative to the direction of travel, the second axis being different than the first axis;a support having a first end pivotably mounted to the swing-arm and a second end movable relative to the opener disk;a gauge wheel mounted to the second end of the support; anda ground-hardness sensor disposed within the swing-arm and configured to detect movement of the gauge wheel relative to the opener disk. 2. The agricultural row unit assembly of claim 1, wherein the ground-hardness sensor outputs an analog signal that varies as the position of the gauge wheel changes relative to the opener disk. 3. The agricultural row unit assembly of claim 1, wherein the ground-hardness sensor outputs a digital signal that conveys the position of the gauge wheel relative to the opener disk. 4. The agricultural row unit assembly of claim 1, wherein the ground-hardness sensor is an inductive linear position sensor. 5. The agricultural row unit assembly of claim 1, further comprising a down-pressure mechanism coupled to the opener disk, the down-pressure mechanism being configured to increase or decrease a down-pressure force applied to the opener disk. 6. The agricultural row unit assembly of claim 5, wherein the down-pressure force applied by the down-pressure mechanism is constant. 7. The agricultural row unit assembly of claim 5, wherein the down-pressure mechanism is further coupled to the ground-hardness sensor, the down-pressure force being dynamically variable in response to variation of ground hardness as detected by the ground-hardness sensor. 8. The agricultural row unit assembly of claim 5, wherein the down-pressure mechanism includes a hydraulic cylinder. 9. The agricultural row unit assembly of claim 1, further comprising a down-pressure mechanism coupled to the opener disk and to the ground-hardness sensor, the down-pressure mechanism being configured to apply a dynamically variable force to the opener disk in response to variation of ground hardness detected by the ground-hardness sensor, the opener disk forming a consistent furrow depth that is independent of variation in ground hardness. 10. The agricultural row unit assembly of claim 1, wherein the ground-hardness sensor has an aperture disposed therein and is configured to detect rotational movement of a shaft disposed within the aperture, the shaft being coupled to the gauge wheel and indicative of the position of the gauge wheel relative to the opener disk. 11. The agricultural row unit assembly of claim 10, wherein the ground-hardness sensor further includes a torsion spring that engages the shaft to rotationally bias the shaft toward an equilibrium point. 12. An agricultural row unit assembly, comprising: an attachment frame configured for attachment to a tow bar movable in a direction of travel;a swing-arm having a proximal end and a distal end, the proximal end being coupled to the attachment frame;an opener disk mounted to and offset from the distal end of the swing-arm for forming a furrow;a deflecting disk mounted to the distal end of the swing-arm for deflecting debris from entering the furrow, the deflecting disk being mounted between the distal end of the swing-arm and the opener disk;a gauge wheel mounted to the swing-arm and being movable relative to the opener disk and the deflecting disk; anda ground-hardness sensor coupled to the opener disk and the gauge wheel, the ground-hardness sensor outputting a signal indicative of the position of the gauge wheel relative to the opener disk. 13. The agricultural row unit assembly of claim 12, wherein the signal is an analog signal or a digital signal. 14. The agricultural row unit assembly of claim 12, wherein the ground-hardness sensor is an inductive linear position sensor. 15. The agricultural row unit assembly of claim 12, further comprising a down-pressure mechanism coupled to the opener disk, the down-pressure mechanism being configured to increase or decrease a down-pressure force applied to the opener disk. 16. The agricultural row unit assembly of claim 15, wherein the down-pressure mechanism includes a hydraulic cylinder. 17. The agricultural row unit assembly of claim 12, further comprising a down-pressure mechanism coupled to the opener disk and to the ground-hardness sensor, the down-pressure mechanism being configured to apply a dynamically variable force to the opener disk in response to variation of ground hardness detected by the ground-hardness sensor, the opener disk forming a consistent furrow depth that is independent of variation in ground hardness. 18. The agricultural row unit assembly of claim 12, wherein the ground-hardness sensor has an aperture disposed therein and is configured to detect rotational movement of a shaft disposed within the aperture, the shaft being coupled to the gauge wheel and indicative of the position of the gauge wheel relative to the opener disk. 19. The agricultural row unit assembly of claim 18, wherein the ground-hardness sensor further includes a torsion spring that engages the shaft to rotationally bias the shaft toward an equilibrium point. 20. The agricultural row unit assembly of claim 12, wherein the opener disk is positioned between the deflecting disk and the gauge wheel, the gauge wheel being parallel to and near the opener disk for removing soil or other debris from the opener disk.
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