IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0861839
(2007-09-26)
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등록번호 |
US-7575064
(2009-08-31)
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발명자
/ 주소 |
- Maas, David R.
- Bjorge, Scott W.
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출원인 / 주소 |
- PlanetAir Turf Products, LLC
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
97 |
초록
▼
A soil aeration apparatus may include aeration tines that are actuated by a relatively compact gear system that reduces the size and weight of the apparatus. In addition, a soil aeration apparatus may operate without a centrally disposed support shaft, thus enabling the tine-holder shafts to be posi
A soil aeration apparatus may include aeration tines that are actuated by a relatively compact gear system that reduces the size and weight of the apparatus. In addition, a soil aeration apparatus may operate without a centrally disposed support shaft, thus enabling the tine-holder shafts to be positioned closer to one another and reducing the size of the apparatus.
대표청구항
▼
What is claimed is: 1. An apparatus for aerating soil, comprising: first and second shafts rotatably coupled to a carrier, the first and second shafts being substantially parallel and being radially spaced apart by a separation distance; a first set of soil aeration tines attached to the first shaf
What is claimed is: 1. An apparatus for aerating soil, comprising: first and second shafts rotatably coupled to a carrier, the first and second shafts being substantially parallel and being radially spaced apart by a separation distance; a first set of soil aeration tines attached to the first shaft, each tine in the first set rotating relative to a ground surface in one of a first set of rotation planes, wherein each tine in the first set fully rotates about the first shaft relative to the carrier without interference from the second shaft; a second set of soil aeration tines attached to the second shaft, each tine in the second set rotating relative to the ground surface in one of a second set of rotation planes, wherein none of the second set of rotating planes overlap any of the first set of rotating planes; and a planetary gear system coupled to the first and second shafts so as to drive the first set of tines to rotate fully about the first shaft and to drive the second set of tines to rotate fully about the second shaft. 2. The apparatus of claim 1, wherein each tine in the first set of aeration tines extends radially from the first shaft to a distance greater than one-half the separation distance and each tine in the second set extends radially from the second shaft to a distance greater than one-half the separation distance. 3. The apparatus of claim 1, further comprising a support shaft rigidly coupled to the carrier along a central axis of the carrier. 4. The apparatus of claim 3, wherein the first shaft is offset from the support shaft such that the first set of tines is operable to revolve about the first shaft without interference from the support shaft. 5. The apparatus of claim 3, wherein the second shaft is offset from the support shaft such that the second set of tines is operable to revolve about the second shaft without interference from the support shaft. 6. The apparatus of claim 1, wherein the soil aeration tines are operative to penetrate and remove a portion of soil from a ground surface. 7. The apparatus of claim 1, wherein each aerating tine comprises a cutting tube coupled to a blade portion. 8. A method of operating an aerator system, comprising: moving an aerator system over a ground surface, the aerator system including: first and second shafts rotatably coupled to a carrier, the first and second shafts being substantially parallel and being radially spaced apart by a separation distance, a first set of soil aeration tines attached to the first shaft, a second set of soil aeration tines attached to the second shaft, and a gear system to drive the first set of tines to fully rotate about an axis of the first shaft and to drive the second set of tines to fully rotate about an axis of the second shaft; rotating the first set of aeration tines relative to the ground surface in a first set of rotation planes, each tine in the first set fully rotating about the first shaft axis relative to the carrier without interference from the second shaft; and rotating the second set of aeration tines relative to the ground surface in a second set of rotation planes, wherein none of the second set of rotating planes overlap any of the first set of rotating planes. 9. The method of claim 8, wherein moving the aerator system comprises towing the aerator system with a vehicle using a one-point hitch member. 10. The method of claim 8, further comprising penetrating the ground surface with the first set of aeration tines so as to form a first set of aeration pockets in the ground surface. 11. The method of claim 10, further comprising penetrating the ground surface with the second set of aeration tines so as to form a second set of aeration pockets in the ground surface. 12. The method of claim 11, wherein the first set of aeration pockets is staggered relative to the second set of aeration pockets. 13. The method of claim 8, further comprising rotating the first shaft relative to the carrier so as to cause the first set of aeration tines to rotate relative to the ground surface in the first set of rotation planes. 14. The method of claim 13, further comprising rotating the second shaft relative to the carrier so as to cause the second set of aeration tines to rotate relative to the ground surface in the second set of rotation planes. 15. The method of claim 14, wherein each tine in the second set fully rotates about the second shaft axis relative to the carrier without interference from the first shaft. 16. The method of claim 8, wherein the first set of aeration tines is staggered relative to the second set of aeration tines such that the first set of aeration tines rotates about the first shaft axis relative to the carrier without interference from the second shaft. 17. The method of claim 8, wherein each tine in the first set of aeration tines extends radially from the first shaft to a distance greater than one-half the separation distance and each tine in the second set extends radially from the second shaft to a distance greater than one-half the separation distance. 18. The method of claim 8, wherein the aerator system further includes a support shaft rigidly coupled to the carrier along a central axis of the carrier. 19. The method of claim 18, wherein the first shaft is offset from the support shaft such that the first set of tines rotates about the first shaft axis without interference from the support shaft. 20. The method of claim 18, wherein the second shaft is offset from the support shaft such that the second set of tines rotates about the second shaft axis without interference from the support shaft. 21. The method of claim 8, wherein the gear system comprises a planetary gear system coupled to the first and second shafts so as to drive the first set of tines to rotate fully about the first shaft axis and to drive the second set of tines to rotate fully about the second shaft axis. 22. A method of operating an aerator system, comprising: moving an aerator system over a ground surface, the aerator system including: first and second shafts rotatably coupled to a carrier, the first and second shafts being substantially parallel and being radially spaced apart by a separation distance, a first set of soil aeration tines attached to the first shaft, and a second set of soil aeration tines attached to the second shaft; rotating the first set of aeration tines relative to the ground surface in a first set of rotation planes, each tine in the first set fully rotating about the first shaft relative to the carrier without interference from the second shaft; rotating the second set of aeration tines relative to the ground surface in a second set of rotation planes, wherein none of the second set of rotating planes overlap any of the first set of rotating planes; and driving the first set of aeration tines into the ground surface with a compound planetary motion so as to remove a portion of soil from the ground surface. 23. The method of claim 22, further comprising driving the second set of aeration tines into the ground surface with a compound planetary motion so as to remove a portion of soil from the ground surface. 24. The method of claim 22, wherein moving the aerator system comprises towing the aerator system with a vehicle using a one-point hitch member. 25. The method of claim 22, wherein the step of driving the first set of aeration tines forms a first set of aeration pockets in the ground surface. 26. The method of claim 25, further comprising penetrating the ground surface with the second set of aeration tines so as to form a second set of aeration pockets in the ground surface. 27. The method of claim 26, wherein the first set of aeration pockets is staggered relative to the second set of aeration pockets. 28. The method of claim 22, further comprising rotating the first shaft relative to the carrier so as to cause the first set of aeration tines to rotate relative to the ground surface in the first set of rotation planes. 29. The method of claim 28, further comprising rotating the second shaft relative to the carrier so as to cause the second set of aeration tines to rotate relative to the ground surface in the second set of rotation planes. 30. The method of claim 29, wherein each tine in the second set fully rotates about the second shaft relative to the carrier without interference from the first shaft. 31. The method of claim 22, wherein the first set of aeration tines is staggered relative to the second set of aeration tines such that the first set of aeration tines rotates about the first shaft relative to the carrier without interference from the second shaft. 32. The method of claim 22, wherein each tine in the first set of aeration tines extends radially from the first shaft to a distance greater than one-half the separation distance and each tine in the second set extends radially from the second shaft to a distance greater than one-half the separation distance. 33. The method of claim 22, wherein the aerator system further includes a support shaft rigidly coupled to the carrier along a central axis of the carrier. 34. The method of claim 33, wherein the first shaft is offset from the support shaft such that the first set of tines rotates about the first shaft without interference from the support shaft. 35. The method of claim 33, wherein the second shaft is offset from the support shaft such that the second set of tines rotates about the second shaft without interference from the support shaft. 36. The method of claim 22, wherein the aerator system further includes a planetary gear system coupled to the first and second shafts so as to drive the first set of tines to rotate fully about the first shaft and to drive the second set of tines to rotate fully about the second shaft.
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