Self-steering dolly

Details Self-steering dolly Self-steering dolly

1978-07-13

1979-07-24

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Running gear

280408, 280423A, B62D 5300

Patent

active

041620828

ABSTRACT:
The invention provides a self-steering dolly that is rigidly releasably connected to the rear of a forward vehicle, such as a tractor-trailer combination, and supports the front end of a towed rearward vehicle, such as a second or "pup" trailer so that the vehicles are in tandem. The wheels of the dolly are mounted on respective king pins; are connected by a linkage and are urged to the neutral or straight-ahead position by a centering device. The means for releasably connecting the dolly and the forward vehicle comprise two transversely extending headed pins on the dolly of the kind employed with a fifth wheel connection engageable in respective releasable spring latches on the frame of the forward vehicle.

REFERENCES:
patent: 2731276 (1956-01-01), Cross
patent: 2812193 (1957-11-01), Grace
patent: 2919928 (1960-01-01), Hoffer
patent: 2982563 (1961-05-01), Gregg
patent: 3066953 (1962-12-01), Chosy
patent: 3112935 (1963-12-01), Gregg
patent: 3151880 (1964-10-01), Black
patent: 3393922 (1968-07-01), Adams
patent: 3827723 (1974-08-01), Neff
patent: 3870340 (1975-03-01), Winter
patent: 4076264 (1978-02-01), Chatterley

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