초록 ▼

An extractor for removing agricultural tubing from soil of a field and related methods are provided. The extractor includes a frame and a pivot frame disposed on the frame. The pivot frame can have a pivot axis around which at least a portion of the pivot frame is pivotal. The extractor can include

An extractor for removing agricultural tubing from soil of a field and related methods are provided. The extractor includes a frame and a pivot frame disposed on the frame. The pivot frame can have a pivot axis around which at least a portion of the pivot frame is pivotal. The extractor can include a first roller secured to the frame and a second roller secured to the pivot frame that is moveable by the pivot frame with the first roller being positioned closer to the soil than the second roller so that a tubing to be extracted is threadable under the first roller and over the second roller.

대표청구항 ▼

1. An extractor for removing agricultural tubing from a soil of a field, the extractor comprising: a frame, wherein the frame comprises at least one wheel and a hitch to permit the frame to be pulled by a vehicle;a pivot frame disposed on the frame, the pivot frame having a pivot axis around which a

1. An extractor for removing agricultural tubing from a soil of a field, the extractor comprising: a frame, wherein the frame comprises at least one wheel and a hitch to permit the frame to be pulled by a vehicle;a pivot frame disposed on the frame, the pivot frame having a pivot axis around which at least a portion of the pivot frame is pivotal;a first roller secured to the pivot frame on a first side of the pivot axis; anda second roller secured to the pivot frame on a second side of the pivot axis, wherein the second side of the pivot axis is opposite to the first side of the pivot axis, so that the second roller is movable by pivoting the pivot frame about the pivot axis to form an angle as measured from a plane between the first and second rollers and a plane approximately parallel with a surface of the soil with the first roller positioned closer to the soil than the second roller so that a tubing to be extracted is threadable under the first roller and over the second roller, and wherein the first roller is in front of the second roller relative to the direction of travel of the extractor. 2. The extractor according to claim 1, wherein the frame comprises a top surface and a bottom surface, the first roller being positionable below the bottom surface of the frame and the second roller being positionable above the top surface of the frame. 3. The extractor according to claim 1, further comprising a locking element that is engageable with the pivot frame to lock the pivot frame at different angles with the first roller positioned closer to the soil than the second roller. 4. The extractor according to claim 1, wherein the angle as measured from a plane between the first and second rollers and a plane approximately parallel with a surface of the soil is determined based on at least one of a depth at which the tubing is buried in the soil, conditions of the soil, or a composition of the soil. 5. The extractor according to claim 1, wherein the angle as measured from a plane between the first and second rollers and a plane approximately parallel with a surface of the soil is approximately 45°. 6. The extractor according to claim 1, wherein the angle as measured from a plane between the first and second rollers and a plane approximately parallel with a surface of the soil is greater than approximately 45°. 7. The extractor according to claim 1, wherein the frame comprises a first side and a second side and the pivot frame comprises a first arm attached to the first side of the frame and a second arm attached to the second side of the frame creating the pivot axis among the first and second arms and the frame. 8. The extractor according to claim 1, further comprising a controller for pivoting the pivot frame about the pivot axis. 9. The extractor according to claim 1, wherein the first roller is positioned in the pivot frame and at least one of the first and second rollers are adjustable along the pivot frame relative to the pivot axis. 10. The extractor according to claim 1, wherein the second roller is adjustable along the pivot frame relative to the pivot axis to adjust a distance between the first roller and the second roller. 11. The extractor according to claim 1, further comprising a third roller positionable within the frame between the first and second rollers. 12. The extractor according to claim 11, wherein the first, second and third rollers are positioned relative to one another so that a tubing to be extracted is threadable under the first roller and over the third and second rollers in an s-curve with the tubing being approximately linear between the third roller and the second roller. 13. The extractor according to claim 11, wherein the third roller is positioned in and is adjustable along the pivot frame between the first roller and the second roller to adjust at least one of a distance between the first roller and the third roller or a distance between the second roller and the third roller. 14. The extractor according to claim 1, wherein a distance between the soil and the first roller is adjustable. 15. The extractor according to claim 14, wherein the first roller is positioned in the pivot frame and the distance between the soil and the first roller is adjustable by pivoting the pivot frame about the pivot axis. 16. The extractor according to claim 14, wherein the first roller is positioned in the pivot frame and the distance between the soil and the first roller is adjustable by moving the first roller between an end of the pivot frame and the pivot axis. 17. The extractor according to claim 1, wherein the first and second rollers are a length that permits multiple rows of agricultural tubing to be pulled from the soil. 18. The extractor according to claim 1, wherein the tubing to be extracted is threadable under the first roller and over the second roller in an s-curve. 19. The extractor according to claim 1, wherein the first and second rollers are free spooling. 20. A method of extracting agricultural tubing from a soil of a field, the method comprising: providing an extractor comprising:a frame;a pivot frame disposed on the frame, the pivot frame and the frame creating a pivot axis around which the pivot frame is pivotal;a first roller secured to the pivot frame on a first side of the pivot axis; anda second roller secured to the pivot frame on a second side of the pivot axis and so that the second roller is movable by pivoting the pivot frame about the pivot axis, wherein the second side of the pivot axis is opposite to the first side of the pivot axis;positioning at least a portion of the pivot frame to form an angle as measured from a plane between the first and second rollers and a plane approximately parallel with a surface of the soil with the first roller positioned closer to the soil than the second roller and wherein the first roller is in front of the second roller relative to the direction of travel of the extractor;threading a tubing to be extracted under the first roller and over the second roller;moving the extractor over the soil from which the tubing is to be removed; andpulling the tubing from the soil with the tubing moving under the first roller and over the second roller as the extractor moves over the field. 21. The method according to claim 20, wherein the step of positioning the pivot frame of the extractor comprises positioning the second roller above a top surface of the frame of the extractor with the first roller below a bottom surface of the frame of the extractor. 22. The method according to claim 20, wherein the frame comprises a wheel and a hitch and the step of moving the extractor comprises pulling the extractor with a vehicle. 23. The method according to claim 20, further comprising locking the pivot frame at different angles with the first roller positioned closer to the soil than the second roller depending upon at least one of a depth at which the tubing is buried in the soil, conditions of the soil, or a composition of the soil. 24. The method according to claim 20, further comprising determining the angle as measured from a plane between the first and second rollers and a plane approximately parallel with a surface of the soil based on at least one of a depth at which the tubing is buried in the soil, conditions of the soil, or a composition of the soil. 25. The method according to claim 24, wherein the angle is approximately 45°. 26. The method according to claim 24, wherein the angle is greater than approximately 45°. 27. The method according to claim 20, further comprising adjusting at least one of the first roller or the second roller along the pivot frame relative to the pivot axis. 28. The method according to claim 20, further comprising adjusting the second roller along the pivot frame relative to the pivot axis to adjust a distance between the first roller and the second roller. 29. The method according to claim 20, further comprising securing a third roller in the frame between the first and second rollers. 30. The method according to claim 29, wherein the step of threading comprises threading the tubing to be extracted under the first roller and over the third and second rollers in an s-curve with the tubing being approximately linear between the third roller and the second roller. 31. The method according to claim 30, further comprising adjusting the third roller between the first roller and the second roller to adjust at least one of a distance between the first roller and the third roller or a distance between the second roller and the third roller. 32. The method according to claim 20, further comprising adjusting a distance between the surface of the soil and the first roller. 33. The method according to claim 32, wherein the step of adjusting comprises pivoting the pivot frame about the pivot axis to adjust the distance between the surface of the soil and the first roller. 34. The method according to claim 32, wherein the first roller is positioned in the pivot frame and the step of adjusting comprises moving the first roller between an end of the pivot frame and the pivot axis to adjust the distance between the surface of the soil and the first roller. 35. The method according to claim 20, wherein the step of threading comprises threading multiple rows of agricultural tubing to be pulled from the soil around the first and second rollers. 36. The method according to claim 20, further comprising securing in a stationary position an exposed end of the tubing that has been threaded around the first and second rollers. 37. The method according to claim 36, wherein the first and second rollers are free spooling and further comprising distributing forces across circumferences of the first and second rollers as the first and second rollers pull the tubing from the soil as the extractor moves over the field. 38. The method according to claim 20, wherein the step of threading comprises threading a tubing to be extracted under the first roller and over the second roller in an s-curve. 39. The method according to claim 20, further comprising controlling the pivoting of the pivot frame about the pivot axis with a controller.