Land vehicles – Wheeled – Articulated vehicle
Patent
1987-12-16
1988-10-25
Mitchell, David M.
Land vehicles
Wheeled
Articulated vehicle
414535, B60P 310
Patent
active
047798874
ABSTRACT:
A pair of opposite side guide members are mounted from opposite side rear portions of a trailer frame for guided shifting along upwardly convergent paths and the upper ends of the guide members include upwardly facing hull undersurface engaging and supporting heads oscillatably supported from the guide members for angular displacement relative thereto about axes extending generally longitudinally of the trailer frame. The guide members are yieldingly biased toward upper limit positions and the heads are oscillatable between first upright upwardly facing positions and second inclined limit positions with the heads facing in upwardly convergent directions inclined generally 45.degree. relative to the horizontal. The heads are gravity biased toward the inclined limit positions thereof.
REFERENCES:
patent: 3077277 (1963-02-01), Holzman
patent: 3117683 (1964-01-01), Kleppe
patent: 3131902 (1964-05-01), Zak, Jr.
McGiehan Donn
Mitchell David M.
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