MOBILE UNDERWATER DEVICE FOR EXCAVATING MATERIALS ON THE SEA BED

摘要

A mobile underwater device is disclosed for use in excavating material on the sea bed. A cutting device is arranged at the upstream end of the underwater device, with respect to the intended direction of advance of the underwater device. A conveyor trough is arranged to receive material excavated by the cutting device and to guide the material upwardly and rearwardly from the cutting device to a discharge location. A scraper device is cooperable with the conveyor trough for transporting the material to the discharge location. Preferably the scraper device is an endless scraper chain and the cutting device is a horizontal cutting tool.