Apparatuses and methods for cleaning surfaces with brushes

Abstract

A cleaning device (100) comprises a housing (112). The cleaning device (100) also comprises a drive gear (114) that rotates about a drive-gear rotational axis (115). The cleaning device (100) further comprises driven gears (116), driven by a drive gear (114) and rotatable about corresponding driven-gear rotational axes (117) inside the housing (112). The cleaning device (100) further comprises brushes (140), located outside the housing (112) and each rotatable together with a corresponding one of the driven gears (116). The cleaning device (100) also comprises a vacuum tube (120), passing through the drive gear (114). The cleaning device (100) additionally comprises a solvent supply (130), passing through the housing (112).

Dependencies are inferred from the claim text.