Land vehicles – Wheeled – Articulated vehicle
Patent
1990-01-31
1991-02-19
Marmor, Charles A.
Land vehicles
Wheeled
Articulated vehicle
280442, 2804461, 280474, B60D 130
Patent
active
049937383
ABSTRACT:
In the combination of a power truck tractor towing serially first and second (or more) trailers, an antijackknifing hitch is disclosed for preventing jackknifing relative movement between the two towed trailers. The tractor towed first trailer is conventionally connected to the towed second trailer at a pivoting tongue. The pivoting tongue from the second trailer forms the towing point of connection to the first trailer and effects steering of the forward tandem set of wheels on the second towed trailer. Running rigging is provided with fixed ends spaced from the towing point of connection at the trailing sides of the towing trailer. The rigging runs between the fixed points by passing from one fixed point on the towing trailer to the leading edge of the towed trailer. Thereafter, the rigging runs to the towing tongue and then to the opposite leading edge of the towed trailer. Finally the rigging runs to the second fixed point on the back of the towing trailer. At least two brakes on the running rigging are required; one brake is on the leading edge of the towed trailer. The other brake is on the trailer tongue of the towed trailer.
REFERENCES:
patent: 3305246 (1964-10-01), Gonczy
patent: 3379456 (1968-04-01), Bogie
patent: 3722919 (1973-03-01), Herbert
patent: 3874699 (1975-04-01), Hayes et al.
patent: 4068860 (1978-01-01), Meyers et al.
patent: 4109929 (1978-08-01), Koroknay et al.
patent: 4252336 (1981-02-01), Hubbard
patent: 4405147 (1983-09-01), Horseman
patent: 4438943 (1984-03-01), Hebert
Johnson Victor E.
Marmor Charles A.
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