[특허]Towing apparatuses

Forrister,John J.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Towing apparatuses

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60D-001/14 B60D-001/00
미국특허분류(USC)	280/416.2; 280/511; 280/508; 280/461.1; 280/460.1; 172/439; 172/449; 172/677
출원번호	US-0940827 (2004-09-14)
발명자 / 주소	Forrister,John J.
출원인 / 주소	Forrister,John J.
대리인 / 주소	Fubright &
인용정보	피인용 횟수 : 4 인용 특허 : 13

초록

Towing apparatuses suited for use with, for example, three-point hitches or quick hitches. At least some of the present towing apparatuses include a male hitch member that is positioned such that a force acting through the male hitch member (such as a force transmitted to the male hitch member through the female hitch member of the structure being towed) does not cause the particular towing apparatus to rotate about an axis along which the towing apparatus is pivotally coupled to a towing vehicle (such as through a three-point hitch or a quick hitch).

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I claim: 1. A towing apparatus comprising: a main member; a first arm oriented substantially perpendicular to the main member, the first arm including an opening; a second arm oriented substantially perpendicular to the main member, the second arm including an opening; and a male hitch member connected to the main member, the male hitch member being configured for engagement with a female hitch member, the male hitch member being positioned above the main member such that an axis that passes through the openings of the first and second arms also passes through the male hitch member; the towing apparatus being configured to be pivotally coupled to a towing vehicle. 2. The towing apparatus of claim 1, where the first arm is welded to the main member. 3. The towing apparatus of claim 2, where the second arm is welded to the main member. 4. The towing apparatus of claim 1, where the first arm, main member and second arm are forged from a single piece of material. 5. The towing apparatus of claim 1, further comprising: a first pin having a portion positioned in the opening of the first arm; and a second pin having a portion positioned in the opening of the second arm. 6. The towing apparatus of claim 5, where the first pin is welded to the first arm. 7. The towing apparatus of claim 6, where the second pin is welded to the second arm. 8. The towing apparatus of claim 5, further comprising: a first pin support member extending from the main member. 9. The towing apparatus of claim 8, further comprising: a second pin support member extending from the main member. 10. The towing apparatus of claim 1, where the male hitch member is the ball portion of a towing ball. 11. The towing apparatus of claim 1, where the main member has (a) a length and (b) a width that varies along the length. 12. The towing apparatus of claim 1, where the towing apparatus is sized to be coupled to a tractor capable of generating up to 20 horsepower. 13. The towing apparatus of claim 1, where the towing apparatus is sized to be coupled to tractor capable of generating from 20 to 45 horsepower. 14. The towing apparatus of claim 1, where the towing apparatus is sized to be coupled to tractor capable of generating from 55 to 95 horsepower. 15. The towing apparatus of claim 1, where the towing apparatus is sized to be coupled to a tractor capable of generating more than 95 horsepower. 16. A towing apparatus comprising: a main member; and a male hitch member connected to the main member, the male hitch member being configured for engagement with a female hitch member; the towing apparatus being configured to be pivotally connected to a towing vehicle, the towing apparatus also being configured such that gravity alone can return the male hitch member to an upright position from a non-upright position. 17. The towing apparatus of claim 16, the male hitch member is the ball portion of a towing ball. 18. The towing apparatus of claim 16, the main member having (a) a length and (b) a width that varies along the length. 19. The towing apparatus of claim 16, where the towing apparatus is sized to be coupled to a tractor capable of generating up to 20 horsepower. 20. The towing apparatus of claim 16, where the towing apparatus is to be coupled to tractor capable of generating from 20 to 45 horsepower. 21. The towing apparatus of claim 16, where the towing apparatus is to be coupled to tractor capable of generating from 55 to 95 horsepower. 22. The towing apparatus of claim 16, where the towing apparatus is to be coupled to a tractor capable of generating more than 95 horsepower. 23. A towing apparatus comprising: a main member; two arms connected to the main member; a male hitch member connected to the main member, the male hitch member being configured for engagement with a female hitch member; and an axis extending through both arms; the male hitch member being positioned relative to the axis such that when the towing apparatus is pivotally coupled to a towing vehicle and used in towing an implement, the towing apparatus has substantially no tendency to rotate about the axis. 24. The towing apparatus of claim 23, where one of the two arms is welded to the main member. 25. The towing apparatus of claim 24, where the other arm is welded to the main member. 26. The towing apparatus of claim 23, where the two arms and main member are forged from a single piece of material. 27. The towing apparatus of claim 23, further comprising: a first pin having a portion positioned in an opening in one of the two arms; and a second pin having a portion positioned in an opening in the other arm. 28. The towing apparatus of claim 23, further comprising: a first pin welded to one of the two arms. 29. The towing apparatus of claim 28, further comprising: a second pin welded to the other arm. 30. The towing apparatus of claim 27, further comprising: a first pin support member extending from the main member. 31. The towing apparatus of claim 30, further comprising: a second pin support member extending from the main member. 32. The towing apparatus of claim 23, where the male hitch member is the ball portion of a towing ball. 33. The towing apparatus of claim 23, where the main member has (a) a length and (b) a width that varies along the length. 34. The towing apparatus of claim 23, where the towing apparatus is sized to be coupled to a tractor capable of generating up to 20 horsepower. 35. The towing apparatus of claim 23, where the towing apparatus is sized to be coupled to tractor capable of generating from 20 to 45 horsepower. 36. The towing apparatus of claim 23, where the towing apparatus is sized to be coupled to tractor capable of generating from 55 to 95 horsepower. 37. The towing apparatus of claim 23, where the towing apparatus is sized to be coupled to a tractor capable of generating more than 95 horsepower. 38. A towing apparatus comprising: a main member; two arms connected to the main member; and a towing ball connected to the main member between the two arms, the towing ball having a ball portion that is positioned such that when the towing apparatus is (a) pivotally connected to a towing vehicle along an axis, and (b) used to tow an implement, the towing apparatus has substantially no tendency to rotate about the axis due to a pulling force of the towing vehicle. 39. The towing apparatus of claim 38, where one of the two arms is welded to the main member. 40. The towing apparatus of claim 39, where the other arm is welded to the main member. 41. The towing apparatus of claim 38, where the two arms and main member are forged from a single piece of material. 42. The towing apparatus of claim 38, further comprising: a first pin having a portion positioned in an opening in one of the two arms; and a second pin having a portion positioned in an opening in the other arm. 43. The towing apparatus of claim 38, further comprising: a first pin welded to one of the two arms. 44. The towing apparatus of claim 43, further comprising: a second pin welded to the other arm. 45. The towing apparatus of claim 42, further comprising: a first pin support member extending from the main member. 46. The towing apparatus of claim 45, further comprising: a second pin support member extending from the main member. 47. The towing apparatus of claim 38, where the main member has (a) a length and (b) a width that varies along the length. 48. The towing apparatus of claim 38, where the towing apparatus is sized to be coupled to a tractor capable of generating up to 20 horsepower. 49. The towing apparatus of claim 38, where the towing apparatus is sized to be coupled to tractor capable of generating from 20 to 45 horsepower. 50. The towing apparatus of claim 38, where the towing apparatus is sized to be coupled to tractor capable of generating from 55 to 95 horsepower. 51. The towing apparatus of claim 38, where the towing apparatus is sized to be coupled to a tractor capable of generating more than 95 horsepower.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 4

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Towing apparatuses

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이 특허에 인용된 특허 (13)

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Towing apparatuses

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 4

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