Trailer rear wheel slidable mounting assembly

Details Trailer rear wheel slidable mounting assembly Trailer rear wheel slidable mounting assembly

1989-02-24

1990-04-24

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280 801, B60P 104

Patent

active

049194453

ABSTRACT:
A slider for repositioning the rear wheels of a tractor trailer unit includes a carriage having parallel lateral box members longitudinally slidably nested by longitudinal extending trailer bed rails. The rails are normally anchored to the box members by pins extending horizontally through aligned apertures. The box members contain roller supporting carriages move longitudinally of the trailer by pressure cylinders which move roller pairs of rollers up an incline to force upper pairs of rollers through openings in the box members top surfaces into trailer bed lifting antifriction contact with the trailer rails thus permitting longitudinal movement of the trailer bed relative to the trailer rear wheel undercarriage while the latter is in rear wheel brake locked position.

REFERENCES:
patent: 3963259 (1976-06-01), Massey
patent: 4125198 (1978-11-01), Landoll
patent: 4231710 (1980-11-01), Landoll
patent: 4353565 (1982-10-01), Smith et al.
patent: 4365820 (1982-12-01), Rush
patent: 4580805 (1986-08-01), Bertolini

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