Device and method for levelling rubble on the water bed

摘要

The device comprises a main chassis 5 with telescopic legs 6, a chassis 12 which moves longitudinally on the main chassis 5, a chassis 11 which moves laterally on the first mobile chassis 15 provided with telescopic legs 6 and a carriage 15 which moves longitudinally on the main chassis 5 and carries a raking device 26. Winches 16, 17 move the carriage 15 in such a way as to actuate the raking device 26. <IMAGE>