Land vehicles – Wheeled – Articulated vehicle
Patent
1975-09-08
1978-08-15
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Articulated vehicle
280446R, B62D 5300
Patent
active
041067940
ABSTRACT:
The apparatus of the invention substantially accomplishes the functions of a so-called "fifth wheel coupler" which provides a pivotal mounting for the forward end of a trailer tow bar on the center line of the towing vehicle and directly above its rear axle. The apparatus includes forward hitch means on the aft portion of the towing vehicle carrying first attachment members at the aft end of the vehicle, and aft hitch means on the forward portion of the trailer carrying second attachment members at the forward end of the trailer. Tow bars are pivotally connected at their fore and aft ends to the first and second attachment members which are so located and spaced that there are tow bars spaced laterally and vertically and they all converge forwardly so that their extended axes substantially meet at a location adjacent to the center line of the towing vehicle and also adjacent to its rear axle to define a virtual or instantaneous pivot point which puts the trailer imposed vertical and side loads at the rear wheels of the towing vehicle to minimize lateral sway and vertical "teeter tottering" of the trailer.
REFERENCES:
patent: 2393358 (1946-01-01), Ferguson
patent: 3643976 (1972-02-01), Haupt
patent: 3787068 (1974-01-01), Miller
patent: 3790191 (1974-02-01), Gallatin
patent: 4019754 (1977-04-01), Hinckley
Peters Jr. Joseph F.
Schrecengost R.
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