Pipe-laying device

Details Pipe-laying device Pipe-laying device

1996-11-18

1999-04-20

Graysay, Tamara L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

248 49, F16L 100

Patent

active

058951750

ABSTRACT:
The present invention features a reusable, pipe-laying device with an automatically adjustable, self-locking member that will accommodate pipes having different diameter sizes. The pipe-support unit of the present pipe-laying device slidably supports an angled, locking bar that will tangentially engage with different diameter sizes resting on the pipe-support unit, thus locking them in place. The pipe-support unit is disposed on a contiguous shaft to that of a staking shaft. The locking bar is slidable upon the contiguous, supporting shaft, and thus comes into tangential contact with a pipe, as it is lowered into place. The tangential contact provides the means by which pipes of different diameter sizes engage with, and are locked by, the locking bar.

REFERENCES:
patent: 3568455 (1971-03-01), McLaughlin et al.
patent: 4043139 (1977-08-01), Scott
patent: 4090686 (1978-05-01), Yarbrough
patent: 4126012 (1978-11-01), Waller
patent: 4826111 (1989-05-01), Ismert
patent: 5242247 (1993-09-01), Murphy
patent: 5437424 (1995-08-01), Netz, Sr.

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