Abstract: A drain cleanout features a flexible drain auger, a mounting section supported solely on a drain pipe, a drum section carried by the mounting section and storing the auger, a rotational connection coupling the mounting section and the drum section, and a rotational drive unit carried by the mounting section and operable to drive rotation of the drum section. A feed mechanism for the flexible auger features a helical slot in the auger cable and a thin disc received in the slot and supported at a fixed longitudinal position in a travel direction along which the drain auger exits and re-enters the drum. Rotation of the auger cable with the drum cause longitudinal displacement of the auger cable in the travel direction. A liquid sensor enables the apparatus to be left in place for automatic self-activation upon detection of liquid back up in the drain pipe.

Abstract: A drain cleanout features a flexible drain auger, a mounting section supported solely on a drain pipe, a drum section carried by the mounting section and storing the auger, a rotational connection coupling the mounting section and the drum section, and a rotational drive unit carried by the mounting section and operable to drive rotation of the drum section. A feed mechanism for the flexible auger features a helical slot in the auger cable and a thin disc received in the slot and supported at a fixed longitudinal position in a travel direction along which the drain auger exits and re-enters the drum. Rotation of the auger cable with the drum cause longitudinal displacement of the auger cable in the travel direction. A liquid sensor enables the apparatus to be left in place for automatic self-activation upon detection of liquid back up in the drain pipe.