Patent ID: RE39797

Claim:
A cleaning device for a printing cylinder ( 2 ) of a printing machine, comprising a guide rail ( 3 ) placed approximately parallel to the printing cylinder ( 2 ), a longitudinally traveling carriage ( 4 ) is mounted for movement on the guide rail and a washing apparatus ( 5 ) is releasably connected to the carriage, wherein the guide rail ( 3 ) is movable for positioning of the washing apparatus ( 5 ) against the printing cylinder ( 2 ), and the washing apparatus ( 5 ) is connected with a source of supply by supply lines for detergent, air, and electrical current, the supply lines extend inside the guide rail ( 3 ) from the washing apparatus ( 5 ) to a stationary connection point ( 7 ), and the guide rail ( 3 ) encloses internally a suction wastewater channel ( 14 ), which is located between upper and lower sections ( 15 , 16 ) of a belt ( 19 ) which reciprocates between turn-around rollers ( 17 , 18 ) for transport of the carriage ( 4 ), the upper belt section ( 15 ) forms an effectively sealing cover for an open longitudinal side of the suction wastewater channel ( 14 ), and in an area of the carriage ( 4 ), at least one connection fitting ( 25 ) to an interior of the suction wastewater channel ( 14 ) is provided and in an area of the stationary connection point ( 7 ), a connection pipe ( 26 ) for connection to the wastewater channel ( 14 ) is provided and the remaining supply lines run inside the guide rail ( 3 ) from the stationary connection point ( 7 ) to the carriage ( 4 ).