Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...
Patent
1995-03-10
1997-01-28
Bagnell, David J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
248 49, 248 55, F16L 1032, H02G 106
Patent
active
055972667
ABSTRACT:
A cable-laying apparatus (1, 1') is provided which includes a frame (9) defined by trusses (10, 11, 12, 46, 46') which are relatively foldable between operative and inoperative positions. The frame carries conveyor rollers (13, 14, 15) arranged to define a generally isosceles-shaped area therebetween through which a cable passes. A lowermost of the conveyor rollers (13) is connected by a quick connect/disconnect mechanism (33) to the frame and normally occupies a slightly inclined position transverse to an associated cable ditch. When the quick connect-disconnect mechanism (33) is operated, the transverse conveyor roller (13) drops or pivots to a vertical position under the influence of gravity which in turn drops the cable to the bottom of an associated ditch.
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