Land vehicles – Wheeled – Articulated vehicle
Patent
1997-02-05
2000-02-15
DePumpo, Daniel G.
Land vehicles
Wheeled
Articulated vehicle
2804161, 2804252, 2804412, 280504, 280901, B60D 107
Patent
active
060243724
ABSTRACT:
An improved fifth-wheel extension adapter is described whose design provides the adaptability necessary for mating of the extension adapter with all known trailer king pin designs, which further provides improved contact with the trailer king pin and which provides structure for visually observing the relative position of the extension adapter and the hitch assembly located in the bed of the towing vehicle. The fifth-wheel extension adapter comprises a vertical column, a bottom portion designed to releasably connect to the hitch assembly and a top portion designed to adjustably mate to a wide range of trailer king pin designs. The fifth-wheel extension adapter is further designed to be easily attachable and easily removable permitting the operator maximum flexible use of the towing vehicle as well as the ability, with only one extension adapter to tow the widest variety of fifth-wheel trailers. An additional improvement included within this invention is a mirror attachment which provides the structure for the operator to observe and guide the extension to mate with the hitch assembly.
REFERENCES:
patent: 2838324 (1958-06-01), Dalton
patent: 3881749 (1975-05-01), Berends
patent: 3889978 (1975-06-01), Kann
patent: 5160157 (1992-11-01), Hubler
patent: 5165714 (1992-11-01), Kaim
patent: 5240270 (1993-08-01), Colibert
patent: 5344172 (1994-09-01), Jaun
patent: 5482310 (1996-01-01), Staggs
patent: 5784213 (1998-07-01), Howard
Clarke John D.
Colibert Floyd A.
DePumpo Daniel G.
Sadler Lloyd W.
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