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An adjustable coupler includes a frame, a first bracket, and a second bracket. One or both of the first bracket and the second bracket are slidably combined with the frame along a slot formed in the frame. A fastener extends from each bracket and is received into the slot allowing the bracket to sli

An adjustable coupler includes a frame, a first bracket, and a second bracket. One or both of the first bracket and the second bracket are slidably combined with the frame along a slot formed in the frame. A fastener extends from each bracket and is received into the slot allowing the bracket to slide along the frame. The fastener also serves to securely fasten the bracket to the frame after it is moved to its desired position. The slidable engagement of the brackets with the frame allows the distance between the brackets to be selectively changed allowing them to be secured to different types and sizes of mobile attachment devices. The frame further includes an attachment opening adapted to receive a pin for connecting a motor or prime mover vehicle with the adjustable coupler.

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1. An adjustable coupler assembly for connecting a first object to a second object, said assembly comprising: a frame having a first rail combined with a second rail, wherein the first rail includes an elongated opening, wherein the frame is adapted to connect with the first object, and wherein the

1. An adjustable coupler assembly for connecting a first object to a second object, said assembly comprising: a frame having a first rail combined with a second rail, wherein the first rail includes an elongated opening, wherein the frame is adapted to connect with the first object, and wherein the first rail and the second rail intersect at an angle;a first bracket slidably combined with the frame along the elongated opening in the first rail; anda second bracket slidably combined with the frame along the elongated opening in the first rail;wherein the first bracket and the second bracket are adapted to connect to the second object. 2. The adjustable coupler assembly of claim 1 further comprising a first guide member extending from the first bracket and into the elongated opening in the first rail and a second guide member extending from the second bracket and into the elongated opening in the first rail, the first guide member and the second guide member are slidable within the elongated opening. 3. The adjustable coupler assembly of claim 2 wherein the first guide member and the second guide member are fasteners. 4. The adjustable coupler assembly of claim 2 wherein the first rail includes two generally parallel elongated openings, each adapted to receive a guide member from the first bracket and the second bracket. 5. The adjustable coupler assembly of claim 1 further comprising an elongated opening in the second rail of the frame; a third guide member extending from the first bracket and into the elongated opening in the second rail; anda fourth guide member extending from the second bracket and into the elongated opening in the second rail. 6. The adjustable coupler assembly of claim 1 wherein at least one of the first bracket and the second bracket include a base portion having an opening adapted to receive a guide member, an ear portion extending upwardly from the base portion and having an opening adapted to receive an attachment member, and a first side portion connecting the base portion and the ear portion. 7. The adjustable coupler assembly of claim 6 wherein at least one of the first and the second bracket further comprise a second side portion on a side of the ear portion that is opposite the first side portion, and the first side portion and the second side portion both include openings adapted to receive the guide members. 8. The adjustable coupler of claim 6 further comprising a bushing secured to the ear portion to reduce the size of the opening in the ear portion. 9. The adjustable coupler assembly of claim 1 wherein the first object is a mobile attachment device. 10. The adjustable coupler assembly of claim 1 wherein the second object is a prime mover vehicle. 11. An adjustable coupler assembly for connecting a first object to a second object, said assembly comprising: a frame having a first rail and a second rail intersecting at an angle so that the first rail and the second rail extend outwardly in different directions, wherein the first rail includes an elongated opening and the second rail includes an elongated opening, and wherein the frame is adapted to connect to the first object;a first bracket having a first guide member extending therefrom adapted to be received by and slide within the elongated opening in the first rail and a second guide member extending therefrom adapted to be received by and slide within the elongated opening in the second rail; anda second bracket having a first guide member extending therefrom adapted to be received by and slide within the elongated opening in the first rail and a second guide member extending therefrom adapted to be received by and slide within the elongated opening in the second rail;wherein the first bracket and the second bracket include attachment openings adapted to receive an attachment member for connecting to the second object. 12. The adjustable coupler assembly of claim 11 wherein at least one of the first bracket and the second bracket include a base portion having an opening adapted to receive a guide member, an ear portion extending upwardly from the base portion and having an opening adapted to receive the attachment member, and a first side portion connecting the base portion and the ear portion. 13. The adjustable coupler assembly of claim 12 wherein at least one of the first and the second bracket further comprise a second side portion on a side of the ear portion that is opposite the first side portion, and the first side portion and the second side portion both include openings adapted to receive the guide members. 14. The adjustable coupler of claim 12 further comprising a bushing secured to the ear portion to reduce the size of the opening in the ear portion. 15. The adjustable coupler assembly of claim 11 wherein the first object is a mobile attachment device. 16. The adjustable coupler assembly of claim 11 wherein the second object is a prime mover vehicle. 17. The adjustable coupler assembly of claim 11 wherein the angle that the first rail intersects the second rail is about ninety degrees. 18. An adjustable coupler assembly for connecting a first object to a second object, said assembly comprising: a frame having a first rail extending a first direction, a third rail extending in a second direction, and a second rail connecting the first rail and the third rail, wherein the first rail, second rail, and third rail each include an elongated opening;a first bracket and a second bracket extending from the frame in the first direction and each having a first guide member extending therefrom adapted to be received by and slide within the elongated opening in the first rail and a second guide member extending therefrom adapted to be received by and slide within the elongated opening in the second rail, wherein the first bracket and the second bracket each include attachment openings adapted to receive one or more members for connecting to the first object; anda third bracket and a fourth bracket extending from the frame in the second direction and each having a first guide member extending therefrom adapted to be received by and slide within the elongated opening in the third rail and a second guide member extending therefrom adapted to be received by and slide within the elongated opening in the second rail, wherein the third bracket and the fourth bracket each include attachment openings adapted to receive one or more members for connecting to a second object. 19. The adjustable coupler assembly of claim 18 wherein the first object is a mobile attachment device. 20. The adjustable coupler assembly of claim 18 wherein the second object is a prime mover vehicle. 21. The adjustable coupler assembly of claim 18 wherein the second rail includes a first generally planer portion spaced from a second planer portion, each planer portion having an elongated opening therein, wherein the second guide member from the first bracket is received by the elongated opening in the first planer portion and the second guide member from the third bracket is received by the elongated opening in the second planer portion. 22. The adjustable coupler assembly of claim 18 wherein at least one of the brackets includes a base portion having an opening adapted to receive a guide member, an ear portion extending upwardly from the base portion and having an opening adapted to receive an attachment member, and a first side portion connecting the base portion and the ear portion. 23. The adjustable coupler assembly of claim 22 wherein at least one of the brackets further comprises a second side portion on a side of the ear portion that is opposite the first side portion, and the first side portion and the second side portion both include openings adapted to receive the guide members. 24. The adjustable coupler of claim 22 further comprising a bushing secured to the ear portion to reduce the size of the opening in the ear portion.