Compound trailer hitch with gooseneck support

Details Compound trailer hitch with gooseneck support Compound trailer hitch with gooseneck support

1975-04-14

1976-05-11

Song, Robert R.

Land vehicles

Wheeled

Articulated vehicle

280446R, 280456R, B62D 5300

Patent

active

039558312

ABSTRACT:
A compound trailer hitch which includes a pair of links pivotally interconnecting a pickup truck and a two-wheel type trailer. The links converge symmetrically from spaced apart positions at the leading end of the trailer to the trailing end of the truck. This convergence is such that the forward projectons of the links converge to define a pivot axis which is at the longitudinal axis of the truck and near the rear axle thereof whenever the truck and trailer are in alignment.
The front portion of the weight of the trailer and the load upon it is supported upon the truck by an arm similar to a gooseneck hitch. This arm is pivoted at each end, at the truck and at the trailer, and it also slides in a groove at the truck connection to compensate for the drifting of the pivot axis defined by links which occurs whenever the trailer swings to an angle with respect to the truck, as in a turn.

REFERENCES:
patent: 2444944 (1948-07-01), Minter
patent: 3722917 (1973-03-01), Mims
patent: 3787068 (1974-01-01), Miller
patent: 3790191 (1974-02-01), Gallatin
patent: 3810661 (1974-05-01), Lowrance

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