Trailer coupler riser

1. An adapter for a trailer coupler assembly of a vehicle to be towed, the adapter comprising:

an elongated riser member configured to be removably mounted to a vertical channel of a trailer coupler assembly, wherein the riser member has a transverse cross-section generally in the shape of an I-beam and includes a first channel portion and an opposing second channel portion;

wherein the opposing second channel portion includes a generally U-shaped transverse cross-section configured to hold a trailer coupler for receiving a tow vehicle hitch ball; and

wherein the first channel portion includes a generally U-shaped transverse cross-section and is configured to be removably mounted to the vertical channel of the trailer coupler assembly at one of a plurality of longitudinal positions along a length of the vertical channel of the trailer coupler assembly.

2. The adapter of claim 1 , wherein the first channel portion comprises two opposing first channel side walls and a first channel inner wall, and the first channel portion defines a first channel opening facing outward from the first channel inner wall.

3. The adapter of claim 1 , wherein the second channel portion comprises two opposing second channel side walls and a second channel inner wall and the second channel portion defines a second channel opening facing outward from the second channel inner wall.

4. The adapter of claim 1 , wherein the transverse cross-section of the first channel portion is disposed about a first channel center line, the transverse cross-section of the second channel portion is disposed about a second channel center line, and the first channel center line and the second channel center line are offset from each other.

5. The adapter of claim 1 , wherein the first channel portion includes two opposing first channel sidewalls, each of which includes a plurality of transverse holes spaced longitudinally along a length of the first channel portion, and wherein each of the plurality of holes in one of the first channel sidewalls is transversely registered with one of the plurality of holes in the opposing first channel sidewall.

6. The adapter of claim 1 , wherein at least one of the first channel portion and the second channel portion has an outer width corresponding to an outer width of the vertical channel of the trailer coupler assembly and an inner width corresponding to an inner width of the vertical channel of the trailer coupler assembly.

7. The adapter of claim 1 wherein the transverse cross-section of the first channel portion is disposed about a first channel center line, the transverse cross-section of the second channel portion is disposed about a second channel center line, and the first channel center line and the second channel center lines are aligned with each other.

8. The adapter of claim 3 wherein at least one of the second channel side walls defines a cutout and the second channel inner wall includes a rib extending along at least a portion of the length of the cutout.

9. The adapter of claim 1 wherein each of the first channel portion and the second channel portion has an outer width corresponding to an outer width of the vertical channel of the trailer coupler assembly and an inner width corresponding to an inner width of the vertical channel of the trailer coupler assembly.

10. A trailer coupler assembly of a vehicle to be towed, the assembly comprising:

a trailer vertical channel mounted to a vehicle to be towed;

an elongated riser member removably mounted to the trailer vertical channel, wherein the riser member has a transverse cross-section generally in the shape of an I-beam and includes a first channel portion and an opposing second channel portion;

wherein the first channel portion includes a generally U-shaped transverse cross-section and is removably mounted to the trailer vertical channel at one of a plurality of longitudinal positions along a length of the trailer vertical channel; and

wherein the opposing second channel portion includes a generally U-shaped transverse cross-section configured to hold a trailer coupler for receiving a tow vehicle hitch ball.

11. The trailer coupler assembly of claim 10 , wherein the first channel portion comprises two opposing first channel side walls and a first channel inner wall, and the first channel portion defines a first channel opening facing outward from the first channel inner wall.

12. The trailer coupler assembly of claim 11 , wherein the second channel portion comprises two opposing second channel side walls and a second channel inner wall, and the second channel portion defines a second channel opening facing outward from the second channel inner wall.

13. The trailer coupler assembly of claim 10 , wherein the transverse cross-section of the first channel portion is disposed about a first channel center line, the transverse cross-section of the second channel portion is disposed about a second channel center line, and the first channel center line and the second channel center line are offset from each other.

14. The trailer coupler assembly of claim 10 , wherein the first channel portion includes two opposing first channel sidewalls, each of which includes a plurality of transverse holes spaced longitudinally along the length of the first channel portion, and where each of the plurality of holes in one of the first channel sidewalls is transversely registered with one of the plurality of holes in the opposing first channel sidewall.

15. The trailer coupler assembly of claim 10 , wherein at least one of the first channel portion and the second channel portion has a width corresponding to the width of the trailer vertical channel.

16. The trailer coupler assembly of claim 10 wherein the transverse cross-section of the first channel portion is disposed about a first channel center line, the transverse cross-section of the second channel portion is disposed about a second channel center line, and the first channel center line and the second channel center lines are aligned with each other.

17. The trailer coupler assembly claim 12 wherein at least one of the second channel side walls defines a cutout and the second channel inner wall includes a rib extending along at least a portion of a side of the cutout.

18. The adapter of claim 10 wherein each of the first channel portion and the second channel portion has an outer width corresponding to an outer width of the vertical channel of the trailer coupler assembly and an inner width corresponding to an inner width of the vertical channel of the trailer coupler assembly.

19. An adapter for a trailer coupler assembly of a vehicle to be towed, the adapter comprising:

an elongated riser member configured to be removably mounted to a vertical channel of a trailer coupler assembly, wherein the riser member has a transverse cross-section generally in the shape of an I-beam and includes a first channel portion and an opposing second channel portion;

wherein the opposing second channel portion includes a generally U-shaped transverse cross-section configured to hold a trailer coupler;

wherein the first channel portion includes a generally U-shaped transverse cross-section and is configured to be removably mounted to a vertical channel of a trailer coupler assembly at one of a plurality of longitudinal positions along a length of the vertical channel of the trailer coupler assembly; and

wherein the transverse cross-section of the first channel portion is disposed about a first channel center line, the transverse cross-section of the second channel portion is disposed about a second channel center line, and the first channel center line and the second channel center line are offset from each other.

20. An adapter for a trailer coupler assembly of a vehicle to be towed, the adapter comprising:

an elongated riser member configured to be removably mounted to a vertical channel of a trailer coupler assembly, wherein the riser member has a transverse cross-section generally in the shape of an I-beam and includes a first channel portion and an opposing second channel portion;

wherein the opposing second channel portion includes a generally U-shaped transverse cross-section configured to hold a trailer coupler;

wherein the first channel portion includes a generally U-shaped transverse cross-section and is configured to be removably mounted to a vertical channel of a trailer coupler assembly at one of a plurality of longitudinal positions along a length of the vertical channel of the trailer coupler assembly;

wherein the second channel portion comprises two opposing second channel side walls and a second channel inner wall, and the second channel portion defines a first channel opening facing outward from the second channel inner wall; and

wherein at least one of the second channel side walls defines a cutout and the second channel inner wall includes a rib extending along at least a portion of a side of the cutout.

21. An adapter for a trailer coupler assembly of a vehicle to be towed, the adapter comprising

a trailer vertical channel mounted to a vehicle to be towed;

an elongated riser member removably mounted to the trailer vertical channel, wherein the riser member has a transverse cross-section generally in the shape of an I-beam and includes a first channel portion and an opposing second channel portion;

wherein the first channel portion includes a generally U-shaped transverse cross-section and is removably mounted to the trailer vertical channel at one of a plurality of longitudinal positions along a length of the trailer vertical channel; and

wherein the opposing second channel portion includes a generally U-shaped transverse cross-section configured to hold a trailer coupler; and

wherein the transverse cross-section of the first channel portion is disposed about a first channel center line, the transverse cross-section of the second channel portion is disposed about a second channel center line, and the first channel center line and the second channel center line are offset from each other.

22. An adapter for a trailer coupler assembly of a vehicle to be towed, the adapter comprising:

a trailer vertical channel mounted to a vehicle to be towed;

an elongated riser member removably mounted to the trailer vertical channel, wherein the riser member has a transverse cross-section generally in the shape of an I-beam and includes a first channel portion and an opposing second channel portion;

wherein the first channel portion includes a generally U-shaped transverse cross-section and is removably mounted to the trailer vertical channel at one of a plurality of longitudinal positions along a length of the trailer vertical channel; and

wherein the opposing second channel portion includes a generally U-shaped transverse cross-section configured to hold a trailer coupler;

wherein the second channel portion comprises two opposing second channel side walls and a second channel inner wall, and the second channel portion defines a second channel opening facing outward from the second channel inner wall; and

wherein at least one of the second channel side walls defines a cutout and the second channel inner wall includes a rib extending along at least a portion of a side of the cutout.