Land vehicles – Wheeled – Articulated vehicle
Patent
1978-12-22
1980-08-26
Love, John J.
Land vehicles
Wheeled
Articulated vehicle
280423B, B62D 5306
Patent
active
042192110
ABSTRACT:
A gooseneck for connecting a tractor with a trailer adapted to transport heavy loads comprises an upstanding generally vertical section adapted to be releasably secured to the front of the trailer, and forwardly extending generally horizontal beam adapted to be connected to the fifth wheel of the tractor, the beam being pivotally connected to the upstanding section for pivoting about a transverse axis. The upstanding section of the gooseneck is equipped with pneumatic air bags, which bear against the rear end of the beam of the gooseneck. In response to pneumatic pressures supplied to the air bags, the rear end of the gooseneck can be raised, thereby adjusting the overall vertical height of the gooseneck and the height of the trailer above the roadway. Pneumatic pressure is supplied by the air brake system of the tractor. The horizontal beam and upstanding sections of the gooseneck can be locked together in one of several relative positions.
REFERENCES:
patent: 2967720 (1961-01-01), Smith et al.
patent: 3215449 (1965-11-01), Talbert
patent: 3536340 (1970-10-01), Talbert
Love John J.
McGiehan Donn
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