Material or article handling – Traversing hoist type – Tow truck type
Patent
1988-03-01
1989-06-13
Bucci, David A.
Material or article handling
Traversing hoist type
Tow truck type
280402, 414665, 414667, 414917, B60P 312
Patent
active
048387533
ABSTRACT:
A lifting and towing unit mountable on a fifth wheel of a towing vehicle has an anchoring frame assembly with a king pin for coupling to the towing vehicle fifth wheel and a lifting frame assembly adapted to support a portion of a mobile load and to be releasably attached thereto and to the anchoring frame assembly in a fixed relation thereto. The unit also includes an arrangement in the form of a four-bar linkage interconnecting and mounting the lifting frame assembly rearwardly of and to the anchoring frame assembly for pivotal movement relative to the frame of the towing vehicle between lowered and raised positions. In the lowered position, load engaging structure of the lifting frame assembly is capable of being placed in a supporting relationship with the mobile load portion for lifting the mobile load into a towing relationship behind the towing vehicle, whereas in the raised position the lifting frame assembly load engaging structure is capable of supporting the mobile load at the portion thereof to maintain the mobile load in the towing relationship behind the towing vehicle. In the towing relationship, the anchoring and lifting frame assemblies form a substantially rigid towing beam interconnecting the fifth wheel of the towing vehicle and the mobile load such that the only load forces are a vertical downward force on the fifth wheel of the towing vehicle and a vertical downward force on the wheels of the towed mobile load.
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Gehman Roland P.
Martin Raymond G.
Bucci David A.
Flanagan John R.
MGS, Inc.
Swartz Michael R.
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