Land vehicles – Wheeled – Articulated vehicle
Patent
1998-04-07
1999-11-23
Hurley, Kevin
Land vehicles
Wheeled
Articulated vehicle
414563, B60P 306
Patent
active
059886641
ABSTRACT:
A towing apparatus removably attachable to the fifth wheel of a towing vehicle includes a base member having a coupling fixture for the fifth wheel, a forward lifting beam pivotably secured to the base member, and a rear lifting beam pivotably joined to the distal rear extremity of the forward lifting beam. A hydraulically activated piston mechanism is interactive between the two beams to cause the rear lifting beam to swing in a vertical path between a storage state above the towing vehicle and a rearwardly deployed state. In operation, the rear lifting beam, in the deployed state, is joined to the fifth wheel of a disabled tractor vehicle. Further extension of the piston in the same direction of motion causes the rear wheels of the disabled vehicle to rise to permit towing.
REFERENCES:
patent: 2481223 (1949-09-01), Johnson
patent: 3715042 (1973-02-01), Rellinger
patent: 4543030 (1985-09-01), Hawkins
patent: 4708358 (1987-11-01), Gehman et al.
patent: 4838753 (1989-06-01), Gehman et al.
patent: 5163803 (1992-11-01), Marola
patent: 5249911 (1993-10-01), Marola
Hurley Kevin
Rainer Norman B.
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