Fifth wheel suspension

Details Fifth wheel suspension Fifth wheel suspension

1978-05-26

1980-04-22

Pekar, John A.

Land vehicles

Wheeled

Articulated vehicle

B62D 5308

Patent

active

041991680

ABSTRACT:
A support for a tilt stabilizing fifth wheel hitch that connects a truck tractor to a trailer, the fifth wheel plate being on a movable frame having a pair of convex shoes connected by a tie rod and resting on concave bearing plates on a fixed frame, the movable frame being movable on the fixed frame toward either of two opposite extreme positions from an intermediate neutral position. The movable frame is biased away from these extreme positions toward the intermediate position by variable force biasing means, preferably coil compression springs on said tie rod, which apply increasing biasing force with increased movement of the movable frame toward one of said extreme positions, thereby enabling the truck driver to "sense" or "feel" the tilted condition of his trailer relative to his tractor during operation.

REFERENCES:
patent: 3122382 (1964-02-01), Carrier
patent: 3309111 (1967-03-01), Vaugoyeau

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