Material or article handling – Traversing hoist type – Tow truck type
Patent
1984-06-26
1986-05-06
Spar, Robert J.
Material or article handling
Traversing hoist type
Tow truck type
280402, B60P 312
Patent
active
045868662
ABSTRACT:
Automobile towing apparatus for mounting on a tow truck has a pivotal boom that projects rearwardly from the truck. The boom has a forward portion extending along the truck, the rear end of this forward portion being connected to a downwardly extending portion located just beyond the rear of the truck. The lower end of the downwardly projecting portion supports a rear portion that is extensible and in turn supports a transverse beam, on the ends of which there is mounted a pair of vehicle lifts for engaging and lifting the wheels of a disabled vehicle. This beam has limited rotation about a front to rear horizontal axis to accommodate loading a vehicle standing on a sideways slope. The boom is pivotable, optionally, about a pair of transverse horizontal axes located at the respective ends of the forward boom portion. This arrangement enables the vehicle lifts to be moved among (a) a normal, horizontal loading position close to the ground, (b) an elevated towing position and (c) a down-sloped position for loading a disabled vehicle standing on ground sloping away from the rear of the tow truck. The vehicle lifts are freely upwardly pivotable to facilitate loading a vehicle standing on ground sloping upwards from the rear of the truck. The beam is also mounted for rotation about a vertical axis to accommodate towing around a corner, this movement being inhibited when loading. Brake bars can be lowered when towing to provide added safety in the event of the truck losing control. The resultant apparatus is more versatile than previous arrangements in relation to loading a disabled vehicle standing on a slope, and is also safer and more foolproof to operate.
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Millman Stuart J.
Mobi-Jack Inc.
Spar Robert J.
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