Multipurpose fifth wheel step frame semi tractor trailer

Details Multipurpose fifth wheel step frame semi tractor trailer Multipurpose fifth wheel step frame semi tractor trailer

1992-10-19

1994-08-16

Huppert, Michael S.

Land vehicles: dumping

Tilting

Tilting about plural or shifting fulcrums

296182, 296184, 280789, 280800, B60P 104

Patent

active

053381017

ABSTRACT:
A grain or silage box is mounted on a trailer frame and kept low to the ground through the addition of a step frame at the forward end of the trailer side frame members. The step frame includes a fifth wheel king pin for engagement with the fifth wheel plate of a semi-tractor. The step frame is hidden between the downwardly extending elongated box frame members when the box is in a lowered position. The box frame members are laterally stabilized by the step frame with the box in its lowered position on top of the trailer side frame members.

REFERENCES:
patent: 2904340 (1959-09-01), Simpson
patent: 3043628 (1962-07-01), Hockensmith
patent: 3272546 (1966-09-01), Cooley
patent: 3814479 (1974-06-01), Vornberger
patent: 3827753 (1974-08-01), Pitts
patent: 4049285 (1977-09-01), Chieger
patent: 4132323 (1979-02-01), Simmons
patent: 4273382 (1981-06-01), Benson
patent: 4616879 (1986-10-01), Booher
patent: 4817537 (1992-04-01), Cripe et al.
patent: 5127781 (1992-07-01), Roarty et al.

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