Land vehicles – Wheeled – Articulated vehicle
Patent
1984-12-07
1986-03-25
Pekar, John A.
Land vehicles
Wheeled
Articulated vehicle
280446B, B60D 114, B60D 106, B62D 5306
Patent
active
045778825
ABSTRACT:
In normal tractor-trailer combinations consisting of a tractor vehicle and a trailer vehicle such as a motor caravan, the zig-zag and side-to-side movements of the trailer vehicle adversely affect the handling behavior of the tractor-trailer combination. This effect is substantially reduced by displacing the effective coupling point towards the center of gravity of the tractor vehicle without alterning the distance of the trailer vehicle from the tractor vehicle. However, since this position of the effective coupling point is not accessible for structural reasons, the hitherto customary ball-headed coupling part located at the rear of the tractor vehicle is kinematically bridged by connecting two joints associated with the tractor vehicle to two joints associated with the trailer vehicle via connecting bars to form a four-joint arrangement such that the straight lines running in the longitudinal direction intersect at the desired effective coupling point.
REFERENCES:
patent: 3556558 (1971-01-01), McKee
patent: 3602529 (1971-08-01), Derr
patent: 3787068 (1974-01-01), Miller
patent: 3870128 (1975-03-01), Nicolay et al.
patent: 3955831 (1976-03-01), Whitchurch
patent: 4019754 (1977-04-01), Hinckley
patent: 4106794 (1978-08-01), Sallis
patent: 4420169 (1983-12-01), Taylor
Kober Kurt
Kohler Robert
Wohrle Rudolf
Alois Kober KG
Dubno Herbert
Pekar John A.
Ross Karl F.
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