Highway trailer of selectively variable width

Details Highway trailer of selectively variable width Highway trailer of selectively variable width

1978-07-20

1980-09-09

Love, John J.

Land vehicles

Wheeled

Articulated vehicle

280 81B, 280656, B62D 1304

Patent

active

042213983

ABSTRACT:
A highway trailer of selectively variable width has two side structures each having at least one longitudinal row of axles provided with ground contacting wheels. Hydraulic jacks are provided for moving the side structures between an inner position corresponding to minimum width and an outer position corresponding to maximum width of the trailer. A hitching pole is rotatably connected to a cross-beam slidably connecting the side structures and controls fluid steering cylinders located symmetrically each between the steering cross-beam and the hitching pole. One pair of auxiliary fluid jacks are connected each to a corresponding one of the steering jacks. Each auxiliary jack angularly moves a corresponding axle.

REFERENCES:
patent: 3339942 (1967-09-01), Ratkovich
patent: 3520549 (1970-07-01), De Lay
patent: 4044854 (1977-08-01), Schmitt

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