SELF-RIGHTING CLEANING DEVICE Russian patent published in 2015 - IPC A47L5/36 

FIELD: machine building.

SUBSTANCE: cleaning device contains a separation device to remove dirt from flow of contaminated fluid, and a roll assembly in contact with floor, wherein the roll assembly has cavity for the separation device installation. Some part of the separation device is visible as part of the external surface of the cleaning device, when the separation device is installed in the cavity.

EFFECT: cleaning device design ensures forced return in vertical position of the cleaning device turned to side.

15 cl, 15 dwg