IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0251718
(2011-10-03)
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등록번호 |
US-8220557
(2012-07-17)
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발명자
/ 주소 |
- Maas, David R.
- Bjorge, Scott W.
|
출원인 / 주소 |
- PlanetAir Turf Products, LLC
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
110 |
초록
▼
A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fracture the soil while minimizing the
A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fracture the soil while minimizing the amount of soil lifted from the pocket deposited on the top of the soil. In various embodiments, a planetary gear assembly imparts to the tine a translational and rotational movement which creates a fractured pocket in the soil while minimizing the amount of soil lifted from the pocket and deposited on the surface of the soil. In still other embodiments, the arcuate tine may have mounted thereon a coring tube that cuts and removes a plug from the pocket formed in the soil.
대표청구항
▼
1. A soil aeration apparatus, comprising: a tine holder member;a gear system that imparts compound motions to the tine holder member;at least one curved tine mounted to the tine holder member, the curved tine having a concave edge, an oppositely disposed convex edge, generally flat lateral side face
1. A soil aeration apparatus, comprising: a tine holder member;a gear system that imparts compound motions to the tine holder member;at least one curved tine mounted to the tine holder member, the curved tine having a concave edge, an oppositely disposed convex edge, generally flat lateral side faces opposing one another, and a tip portion, wherein the compound motions are imparted to the tine holder member while the curved tine is in the ground surface to form an aeration pocket, wherein the convex edge cuts through the soil while the curved tine is in a ground surface; anda timing member coupled to the gear system, the timing member being adjustable between a first position to a second position,wherein when the timing member is in the first position, the tine penetrates a ground surface in a first penetration orientation, andwherein when the timing member is in the second position, the tine penetrates the ground surface in a second penetration orientation. 2. The apparatus of claim 1, wherein the tip portion is oriented in a substantially non-perpendicular direction relative to the ground surface when the tip portion exits the ground surface. 3. The apparatus of the claim 1, wherein the compound motions imparted to the tine holder member causes the curved tine to form a non-symmetric aeration pocket. 4. The apparatus of claim 1, further comprising a pull-type frame coupled to at least a pair of wheels, the frame supporting the tine holder member over the ground surface. 5. The apparatus of claim 1, wherein each curved tine includes: a proximal mounting portion to secure the tine to a tine holder member, the proximal portion being substantially straight; anda curved blade portion disposed distally of the proximal portion, the curved blade portion being at least partially defined by the concave edge, the convex edge, and the tip portion so that, as the curved tine is urged in the compound motions through the ground surface, the curved blade portion fractures soil to form an aeration pocket. 6. The apparatus of claim 5, wherein the compound motions are imparted to the tine holder member while the curved tine is in the ground surface so that the curved blade portion fractures soil to form the aeration pocket. 7. The apparatus of claim 1, wherein the gear system imparts compound motions to a plurality of tine holder members, further comprising multiple curved tines mounted to each of the plurality of the tine holder members. 8. The apparatus of claim 1, wherein the timing member includes an adapter portion that couples with one of a handle, a shaft, and a cable for user control of the timing member. 9. The apparatus of claim 1, wherein the portion of the curved tine that is in the ground surface to form the aeration pocket is defined by a non-tubular cutting blade portion. 10. A method of aerating a ground surface, comprising: moving an aeration apparatus over a ground surface, the aeration apparatus being configured to form a plurality of aeration pockets in the ground surface, the aeration apparatus comprising: a gear system that imparts compound motions to a plurality of generally parallel tine holder members, set of curved tines mounted to each of the tine holder members, wherein the aeration apparatus is configured to impart the compound motions to a respective one of the tine holder members while the curved tines mounted to the respective one of the tine holder members are positioned in the ground surface so that an exterior convex cutting edge of each of the curved tines cuts through the soil to form aeration pockets; andmanually adjusting a timing member of the aeration apparatus from a first position to a second position, the timing member being coupled to the gear system, wherein when the timing member is in the first position, the curved tines are oriented to penetrate the ground surface in a first penetration orientation, and when the timing member is in the second position, the curved tines are oriented to penetrate the ground surface in a second penetration orientation that is different from first penetration orientation. 11. The method of claim 10, wherein the compound motions are imparted by a planetary gear system that imparts a translational motion and rotational motion to the curved tine. 12. The method of claim 11, wherein the translational motion is imparted by counterclockwise movement of a planet gear and the rotational motion is imparted by clockwise movement of a planet gear. 13. The method of claim 10, wherein each of the curved tines further comprises: a proximal mounting portion to secure the tine to a tine holder member, the proximal portion extending substantially straight in a longitudinal direction; anda curved blade portion disposed distally of the proximal portion, the curved blade portion including the exterior convex cutting edge, an oppositely disposed concave edge, generally flat lateral side faces opposing one another, and a tip portion. 14. The method of the claim 10, wherein when the timing member is in the second position, the curved tines are configured to form non-symmetric aeration pockets. 15. The method of claim 10, wherein said moving the aeration apparatus over the ground surface comprises pulling a frame coupled to at least a pair of wheels that roll over the ground surface, the frame supporting the aeration apparatus. 16. The method of claim 10, wherein said exterior convex cutting edge of each of the curved tines is configured to fracture soil to form the aeration pocket.
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