Claims
- 1. A fifth wheel hitch assembly, comprising:
a base assembly; and a head assembly carried on said base assembly; said fifth wheel hitch assembly being characterized by said head assembly including a skid plate with a hidden cavity, a jaw assembly carried by said skid plate and held in said hidden cavity and a pair of opposed pivot guides carried by said head assembly and held in said hidden cavity.
- 2. The fifth wheel hitch assembly of claim 1, wherein said skid plate includes (a) a top wall and a downwardly depending peripheral skirt defining said hidden cavity beneath said top wall and (b) a throat for receiving a king pin of a trailer, said downwardly depending peripheral skirt extending around said throat.
- 3. The fifth wheel hitch assembly of claim 1, further including a mounting platform carried by said skid plate and held in said hidden cavity.
- 4. The fifth wheel hitch assembly of claim 3, wherein said jaw assembly and said pair of opposed pivot guides are connected to said mounting platform.
- 5. The fifth wheel hitch assembly of claim 4, wherein said mounting platform includes a first upstanding sidewall and a second upstanding sidewall.
- 6. The fifth wheel hitch assembly of claim 5, wherein a first pivot guide of said pair of pivot guides is mounted to said first upstanding sidewall and said skirt and a second pivot guide of said pair of pivot guides is mounted to said second upstanding sidewall and said skirt.
- 7. The fifth wheel hitch assembly of claim 6, wherein said base assembly includes a first trunnion engaging said first pivot guide and a second trunnion engaging said second pivot guide.
- 8. The fifth wheel hitch assembly of claim 7; wherein said first pivot guide includes a first set of opposed apertures and said second pivot guide includes a second set of opposed apertures.
- 9. The fifth wheel hitch assembly of claim 8, further including a first connecting pin received in said first set of apertures and capturing said first trunnion in said first pivot guide and a second connecting pin received in said second set of apertures and capturing said second trunnion in said second pivot guide.
- 10. The fifth wheel hitch assembly of claim 9, wherein said first trunnion includes a first groove receiving said first connecting pin and said second trunnion includes a second groove receiving said second connecting pin.
- 11. The fifth wheel hitch assembly of claim 3, wherein said jaw assembly includes a jaw pivotably mounted to said mounting platform, a control handle and a link for pivotably connecting said control handle to said jaw, said jaw being displaceable by manipulation of said control handle between a first position for locking a trailer king pin in said head assembly and a second position for releasing said trailer king pin from said head assembly.
- 12. The fifth wheel hitch assembly of claim 11, wherein said jaw includes a semicircular king pin gripping surface, a first aperture and a second aperture.
- 13. The fifth wheel hitch assembly of claim 12, wherein said king pin gripping surface is stepped.
- 14. The fifth wheel hitch assembly of claim 12, wherein a first pivot pin is received in said first aperture and pivotably connects said jaw to said mounting platform and a second pivot pin is received in said second aperture and connects said jaw to said connecting link.
- 15. The fifth wheel hitch assembly of claim 14, wherein a third pivot pin pivotably connects said connecting link to an intermediate portion of said control handle.
- 16. The fifth wheel hitch assembly of claim 15 further including a spring having a first end connected to said jaw and a second end connected to one of said mounting platform and said skid plate, said spring biasing said jaw into said first position.
- 17. The fifth wheel hitch assembly of claim 10, wherein said base assembly includes a first leg, a second leg and a central housing.
- 18. The fifth wheel hitch assembly of claim 17, wherein said base assembly further includes a rocker pivotably connected to said central housing.
- 19. The fifth wheel hitch assembly of claim 18, wherein said central housing includes a first end wall, a second end wall, a first sidewall and a second side wall.
- 20. The fifth wheel hitch assembly of claim 19, wherein a rocker pivot pin pivotably connects said rocker to said first and second end walls so as to allow said rocker to pivot freely from side-to-side.
- 21. The fifth wheel hitch assembly of claim 18, wherein said first trunnion and said second trunnion are carried on said rocker.
- 22. The fifth wheel hitch assembly of claim 17, wherein (a) said central housing includes a first side wall having a first series of spaced mounting points and a second side wall having a second series of spaced mounting points; (b) said first leg has a first mounting wall; and (c) said second leg has a second mounting wall.
- 23. The fifth wheel hitch assembly of claim 22, further including a first fastener for securing at least a first mounting point of said first series of spaced mounting points to said first mounting wall and a second fastener for securing at least a second mounting point of said second series of spaced mounting points to said second mounting wall whereby height adjustment is possible.
- 24. The fifth wheel hitch assembly of claim 17, wherein said first leg includes a first pair of mounting feet and said second leg includes a second pair of mounting feet.
- 25. The fifth wheel hitch assembly of claim 24, further including a mounting assembly having a first mounting bracket, a second mounting bracket, a first cross bar extending between said first and second mounting brackets and a second cross bar extending between said first and second mounting brackets.
- 26. The fifth wheel hitch assembly of claim 25, wherein said first cross bar carries a first pair of mounting sockets and said second cross bar carries a second pair of mounting sockets.
- 27. The fifth wheel hitch assembly of claim 26, wherein said first and second pair of mounting feet are received in said first and second pair of mounting sockets.
Parent Case Info
[0001] This application is a continuation-in-part of U.S. patent application Ser. No. 10/189,641, filed Jul. 3, 2002, entitled “Fifth Wheel Hitch Assembly With Improved Jaw Mechanism” which claims the benefit of U.S. Provisional Patent Application Serial No. 60/303,175 filed on Jul. 5, 2001.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60303175 |
Jul 2001 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10189641 |
Jul 2002 |
US |
Child |
10465773 |
Jun 2003 |
US |