[특허]Track assembly for farm implement

Unverferth Manufacturing Company, Inc.

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Track assembly for farm implement

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-055/30 B62D-055/06 B62D-055/104 B62D-055/084 B60P-003/22 B62D-055/108 B62D-055/112 B62D-055/14 B62D-055/15 B62D-055/10 B62D-055/24
출원번호	US-0243517 (2016-08-22)
등록번호	US-10239569 (2019-03-26)
발명자 / 주소	Van Mill, Michael D. Self, Christopher M. Walvatne, John
출원인 / 주소	Unverferth Manufacturing Company, Inc.
대리인 / 주소	Rothwell, Figg, Ernst & Manbeck P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 14

초록

A mobile farm implement includes a track assembly with a plurality of arms that are pivotally coupled to support idler wheels and bogie wheels such that the track assembly is able to better conform to the terrain when the implement is towed behind a tractor or otherwise moved.

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1. A farm implement comprising: a frame;a track assembly for assisting in moving the farm implement along a ground surface in a line of travel, wherein the track assembly includes:a camber arm coupled to the frame;a tilt arm coupled to the camber arm so as to be pivotable relative to the frame about a first axis parallel to the ground surface and perpendicular to the line of travel and pivotable relative to the camber arm about a second axis parallel to the line of travel;a rear idler wheel coupled to the tilt arm;a front idler wheel coupled to the tilt arm and positioned in front of the rear idler wheel along the line of travel; anda track belt looped around the front idler wheel and the rear idler wheel to make contact with the ground surface. 2. The farm implement of claim 1, further comprising: a first bogie arm coupled to the tilt arm; anda first bogie wheel coupled to the first bogie arm between the front idler wheel and the rear idler wheel. 3. The farm implement of claim 2, wherein the first bogie arm is movable relative to the tilt arm so as to allow the first bogie wheel to move in a vertical direction relative to the tilt arm. 4. The farm implement of claim 3, wherein the first bogie wheel is rotatably mounted to the first bogie arm at a first location and the first bogie arm is pivotally coupled to the tilt arm at a second location so as to allow the first bogie wheel to move in the vertical direction relative to the tilt arm. 5. The farm implement of claim 2, further comprising: a second bogie arm coupled to the tilt arm; anda second bogie wheel coupled to the second bogie arm between the first bogie wheel and the rear idler wheel along the line of travel. 6. The farm implement of claim 5, wherein the second bogie arm is movable relative to the tilt arm so as to allow the second bogie wheel to move in a vertical direction relative to the tilt arm. 7. The farm implement of claim 5, further comprising: a third bogie arm coupled to the tilt arm; anda third bogie wheel coupled to the third bogie arm between the first bogie wheel and the second bogie wheel along the line of travel. 8. The farm implement of claim 7, wherein the third bogie arm is movable relative to the tilt arm so as to allow the third bogie wheel to move in a vertical direction relative to the tilt arm. 9. The farm implement of claim 7, further comprising: a fourth bogie arm coupled to the tilt arm; anda fourth bogie wheel coupled to the fourth bogie arm between the first bogie wheel and the third bogie wheel along the line of travel. 10. The farm implement of claim 9, wherein the fourth bogie arm is movable relative to the tilt arm so as to allow the fourth bogie wheel to move in a vertical direction relative to the tilt arm. 11. The farm implement of claim 1, further comprising: a tensioner arm operatively coupled to one of said idler wheels for moving the coupled idler wheel in a forward or rearward direction along the line of travel to increase or decrease a distance between the front idler wheel and the rear idler wheel. 12. The farm implement of claim 11, further comprising: a first bogie arm coupled to the tilt arm;a first bogie wheel coupled to the first bogie arm between the front idler wheel and the rear idler wheel along the line of travel,wherein the first bogie arm is movable relative to the tilt arm so as to allow the first bogie wheel to move in a vertical direction relative to the tilt arm, andwherein the first bogie wheel is rotatably mounted to the first bogie arm at a first location and the first bogie arm is pivotally coupled to the tilt arm at a second location, and pivotally coupled to the tensioner arm at a third location such that when the first bogie wheel is moved in a vertical direction relative to the tilt arm, the tensioner arm and the idler wheel coupled to the tensioner arm are moved in an opposite vertical direction relative to the tilt arm. 13. The farm implement of claim 11, further comprising: a shock absorber pivotally coupled to the tensioner arm at a first end and pivotally coupled to the tilt arm at a second end. 14. The farm implement of claim 13, wherein the shock absorber is in the form of a spring. 15. The farm implement of claim 13, wherein the shock absorber includes a hydraulic cylinder. 16. The farm implement of claim 1, further comprising: a pivot stop coupled to the track assembly so as to limit a distance that the tilt arm can be pivoted about the first axis. 17. The farm implement of claim 16, wherein the tilt arm is coupled to the camber arm such that the tilt arm and the camber arm pivot together about the first axis, and wherein the pivot stop is mounted on the camber arm. 18. The farm implement of claim 17, wherein the frame includes a slot and the pivot stop is received within the slot. 19. The farm implement of claim 18, further comprising: a suspension assembly, wherein the frame is coupled to the track assembly via the suspension assembly. 20. The farm implement of claim 19, wherein the suspension assembly includes a telescoping arm that allows a lateral distance between the track assembly and the frame to be adjusted. 21. The farm implement of claim 1, further comprising: a second track assembly for assisting in moving the farm implement along a ground surface in a line of travel, the second track assembly including:a second camber arm coupled to the frame;a second elongate tilt arm coupled to the second camber arm so as to be pivotable relative to the frame about a first axis parallel to the ground surface and perpendicular to the line of travel and pivotable relative to the camber arm about a second axis parallel to the line of travel;a second rear idler wheel coupled to the second tilt arm;a second front idler wheel coupled to the second tilt arm and positioned in front of the second rear idler wheel along the line of travel;a second alignment arm pivotally coupled to one of said second idler wheels so as to allow the second pivotally-coupled idler wheel to pivot about a third axis that is vertical relative to the second tilt arm; anda second track belt looped around the second front idler wheel and the second rear idler wheel to make contact with the ground surface;wherein the first track assembly and the second track assembly are positioned on opposite lateral sides of the frame and independently pivotable relative to the frame. 22. The farm implement of claim 1, further comprising: a hitch coupled to the frame so as to allow the farm implement to be towed in the line of travel; and a tank supported by the frame and configured to hold agricultural chemicals. 23. The farm implement of claim 1, further comprising: a hitch coupled to the frame so as to allow the farm implement to be towed in the line of travel; and a hopper supported by the frame and configured to receive and store granular agricultural material. 24. The farm implement of claim 1, wherein the tilt arm is elongate, having a first end and a second end. 25. The farm implement of claim 24, wherein the camber arm is U-shaped, with a pair of upright portions extending upwardly from a generally horizontal base portion and located between the first end and the second end of the tilt arm. 26. The farm implement of claim 25, wherein the second axis extends through the base portion of the camber arm. 27. The farm implement of claim 26, wherein the first axis extends through the pair of upright portions of the camber arm. 28. The farm implement of claim 27, wherein the second pivot axis is under the first pivot axis. 29. The farm implement of claim 24, wherein the camber arm is pivotable relative to the frame about the first axis. 30. The farm implement of claim 24, wherein the camber arm sits within an opening formed in the tilt arm, wherein the second pivot axis is in the same plane as the first pivot axis. 31. The farm implement of claim 1, further comprising an elastic member connected between the camber arm and the tilt arm. 32. A farm implement comprising: a frame;a camber arm coupled to the frame;a track assembly for assisting in moving the farm implement along a ground surface in a line of travel, wherein said track assembly includes:a tilt arm coupled to said camber arm so as to be pivotable relative to the camber arm about a first axis parallel to the ground surface and perpendicular to the line of travel and pivotable relative to the camber arm about a second axis parallel to the line of travel.

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Track assembly for farm implement

초록

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특허 상세정보

Track assembly for farm implement

초록

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이 특허에 인용된 특허 (14)

IPC 상위 출원인

상세정보조회

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IPC 상세정보(version : 201201)

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