Claims
- 1. A fifth wheel hitch comprising;
a head assembly including a skid plate having an opening for receiving a king pin of a trailer and a locking jaw assembly for securing the king pin in proper position with the trailer over said skid plate; a rocking platform having an arcuate rocking surface; a pair of pivot pins for mounting said head assembly to said rocking platform to allow pivotal tilting movement of said head assembly in a fore-and-aft direction relative to said rocking platform; a base including a cradle for receiving said rocking platform to allow side-to-side rocking movement of said rocking platform and said head assembly relative to said base, said base also including first and second pairs of opposed mounting lugs; and a pair of mounting pins received in said first and second pairs of mounting lugs and capturing said rocking platform on said cradle of said base.
- 2. The assembly of claim 1, wherein said rocking platform is substantially U-shaped.
- 3. The assembly of claim 2, wherein said arcuate rocking surface has an area of between substantially 135-140 square inches.
- 4. The assembly of claim 2, wherein said arcuate rocking surface has a radius of curvature between substantially 17 inches-19 inches.
- 5. The assembly of claim 2, wherein said arcuate rocking surface includes a central opening.
- 6. The assembly of claim 2, wherein said cradle includes four cooperating bearing pads.
- 7. The assembly of claim 6, wherein said bearing pads are made from DELRIN AF.
- 8. The assembly of claim 6, wherein said bearing pads each have a surface area of at least 7.2 square inches.
- 9. The assembly of claim 1, further including a pair of pin clips for securing said pair of mounting pins in said first and second pair of mounting lugs.
- 10. The assembly of claim 2, wherein said cradle includes four cooperating rollers for engaging said rocking platform and allowing smooth side-to-side rocking movement of said rocking platform relative to said cradle.
- 11. A fifth wheel hitch, comprising:
a rocking platform having an arcuate rocking surface; a head assembly held on said rocking platform; and a base including a cradle for receiving said rocking platform and allowing rocking movement of said rocking platform relative to said base.
- 12. The fifth wheel hitch of claim 11, wherein said cradle includes at least two cooperating bearing pads.
- 13. The fifth wheel hitch of claim 12, wherein said bearing pads are made from DELRIN AF.
- 14. The fifth wheel hitch of claim 12, wherein said bearing pads each has a surface area of at least 7.2 square inches.
- 15. The fifth wheel hitch of claim 11, wherein said cradle includes at least two cooperating rollers.
- 16. A fifth wheel hitch, comprising:
a rocking platform having an arcuate rocking surface; a head assembly held on said rocking platform; and a base including means for receiving said rocking platform and allowing rocking movement of said rocking platform relative to said base.
Parent Case Info
[0001] This application claims the benefit of U.S. Provisional Patent Application Serial No. 60/314,989 filed Aug. 24, 2001.
Provisional Applications (1)
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Number |
Date |
Country |
|
60314989 |
Aug 2001 |
US |