Title: Pipe-laying machine for oil pipelines, conduits and the like

Abstract: A pair of self-propelled vehicles joined by an intermediate bridge having a rigid lifting arm hinged at one end to the intermediate bridge and having a device for gripping and lifting the pipes carried by the free end of the rigid arm such that the rigid lifting arm may be controlled to engage a pipe and lift it over the trench and lower the pipe into the desired position.

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Inventors: Cecchi, Carlo (Turin, IT)
Bifani, Alberto G. (Turin, IT)

Application Number: 827467
Filing Date: 1977-08-25
Publication_date: 1979-09-04
Assignee: Fiat-Allis Macchine Movimento Terra S.p.A. (Lecce, IT)
Primary Class(es): 414/745.6 212/239, 212/258, 212/306, 405/154.1
Other Classes:
US Patent Ref:

2967628	Jan, 1961	Erdahl	214/1.
4050589	Sep, 1977	Dolza	212/14.

Other Refs:
Primary Examiner: Husar, Francis S.
Assistant Examiner: Abraham, George F.
Attorney: Roehrig, Jr.; August E., Brown; Robert A., Rockwell; Harvey W.