Patent ID: 9725877
Date: 2017-08-08
CPC Classifications: E02F

Claim:
1. An apparatus for forming a trench along the bed of a body of water for burying a line lying along said bed, comprising: a support structure provided with a longitudinally recessed along a bottom side thereof for receiving a segment of said line therethrough in straddling relation; means mounted on said support structure engageable with a segment of said line received within said recess for propelling said support structure along said line; and means disposed on said support structure including a pair of transversely spaced excavator devices cooperable in forming a trench along the bed of said body of water, each provided with a set of circumferentially spaced, pressurized fluid ejecting nozzles, rotatable about an axis, wherein each of said excavator devices is mounted on an end portion of a fluid supply component of said support structure connected to a source of fluid under pressure, for rotation about an axis disposed downwardly and outwardly relative to said support structure, including said nozzles spaced circumferentially in a plane disposed normal to said axis, communicable with said component, with each of said nozzles being angularly disposed in one direction relative to one side of said plane, a degree different than the degree of angularity of each successive nozzle.