Kingpin adaptor system

Details Kingpin adaptor system Kingpin adaptor system

2005-12-06

2005-12-06

Winner, Tony (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S901000

Reexamination Certificate

active

06971660

ABSTRACT:
A kingpin adaptor system which enables a fifth wheel trailer to be connected to a towing vehicle having an upside down kingpin. The kingpin adaptor system includes an inverted fifth wheel head assembly and a kingpin adaptor. The kingpin of the fifth wheel trailer is secured in one end of the kingpin adaptor and the fifth wheel head assembly is mounted at the other end of the kingpin adaptor. The kingpin adaptor system enables a towing vehicle with a kingpin in an upside down position to tow a fifth wheel trailer without greatly increasing the leverage on the pin box of the trailer.

REFERENCES:
patent: 3791674 (1974-02-01), Berends
patent: 4887831 (1989-12-01), Edwards
patent: 5513869 (1996-05-01), Putnam
patent: 5788257 (1998-08-01), Meyerhofer
patent: 6416073 (2002-07-01), Marcy
patent: 6540246 (2003-04-01), Andersen et al.
patent: 6776431 (2004-08-01), Dick
patent: 6808195 (2004-10-01), Smith

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