Patent ID: 7716782
Filing Date: 2010-05-18
Classification: E03F

Abstract:
1. A mobile unit for cleaning a sewer network from a manhole, the unit comprising: a suction hose mounted on a reel and connected to a collection tank and to a suction pump; a high-pressure cleaner hose mounted on a reel and connected to a water tank, to a high-pressure pump, and to a cleaner head; a support and guide arm for supporting and guiding the suction hose and the cleaner hose, said arm comprising a horizontal portion connected to the mobile unit and being movable to swivel about a vertical axis and in horizontal translation relative to the mobile unit so as to enable working ends of the suction and cleaner hoses to be positioned above the sewer manhole, said arm further comprising a vertical portion connected to the horizontal portion, the connection between the horizontal portion and the vertical portion of the arm forming a bend hinged by a ball joint and said vertical portion presenting a bottom module that is movable in swiveling and in vertical translation relative to said horizontal portion, said vertical portion further comprising a top module connected to the horizontal portion that presents first drive means suitable for driving the vertical translation movement of the bottom module; the suction and cleaner hoses being connected to said bottom module, whereby the positioning of the bottom module corresponds substantially to the positioning of the working ends of the suction and cleaner hoses.