Tractor-trailer connection for uneven terrain travel

Details Tractor-trailer connection for uneven terrain travel Tractor-trailer connection for uneven terrain travel

1989-01-12

1991-08-20

Hill, Mitchell J.

Land vehicles

Wheeled

Articulated vehicle

2804412, 414481, B62D 5308

Patent

active

050408151

ABSTRACT:
A gooseneck structure is coupled to a tractor via a spherical bearing which compensates for pitch, roll and yaw motions and is coupled to support brackets upon the trailer via a horizontal support beam positioned at the underside of the support brackets. Air bag lifting actuators cause the horizontal support beam to be raised to contact the support brackets mounted upon a side wall portion of the trailer and a hydraulic actuator thereafter causes a substantially vertical elevation control beam to press against a side wall portion of the trailer to rotate the trailer about its wheel axles and thus elevate it above the terrain to provide for a variable degree of clearancce between the underside of the trailer, regardless of the degree of roughness of the terrain.

REFERENCES:
patent: 472814 (1988-03-01), Bills
patent: 3380758 (1968-04-01), Granning
patent: 3632139 (1972-01-01), Stafford, Jr.
patent: 3698582 (1972-10-01), Weinmann
patent: 3955831 (1976-05-01), Whitechurch
patent: 4183548 (1980-01-01), Schneckloth
patent: 4618307 (1986-10-01), Kress et al.

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