Vehicle in-service/out-of-service rotatable tailgate mechanism

Details Vehicle in-service/out-of-service rotatable tailgate mechanism Vehicle in-service/out-of-service rotatable tailgate mechanism

1993-11-30

1995-12-12

Huppert, Michael S.

Land vehicles: dumping

Tilting

With cover or endgate control

298 23DF, 298 23MD, B60P 122, B60P 1267

Patent

active

054743630

ABSTRACT:
A tailgate assembly is provided which rotates between in-service and out-of-service positions on a truck body of an off-road, heavy duty truck. A first tailgate rotation actuation assembly rotates the tailgate assembly between a closed, in-service position and an open in-service position wherein the load is dumped from the truck body. In one embodiment, the first tailgate actuation assembly comprises a chain connected to the tailgate assembly at a first end and operatively connected to the truck frame at a second end to rotate the tailgate assembly in response to the rotation of the truck body between the lowered and raised positions. A second tailgate rotation actuation assembly rotates the tailgate assembly between the in-service open position and the out-of-service position in which the tailgate assembly rests on the canopy of the body. In one embodiment, the second tailgate actuation assembly comprises an actuating cylinder for positioning a cam into engagement with the tailgate assembly and for exerting a rotating torque on the tailgate. The second tailgate actuation assembly also locks the tailgate assembly in the out-of-service position.

REFERENCES:
patent: 3272552 (1966-09-01), Park
patent: 3751112 (1973-08-01), Hagenbuch
patent: 3905493 (1975-09-01), Logue
patent: 4050734 (1977-09-01), Richard
patent: 4323279 (1982-04-01), Domes et al.
patent: 4348055 (1982-09-01), Meisner et al.
patent: 4621858 (1986-11-01), Hagenbuch
patent: 4678235 (1987-07-01), Hagenbuch
patent: 5228750 (1993-07-01), Hagenbuch

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