Unattended spot cleaning with surface sanitization
AssigneeBISSELL Inc.
InventorsPhong Hoang Tran, Charles A. Reed, Jr., Jeremy Moog, Eric C. Huffman
Life of this patent
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Abstract
An unattended extraction cleaning machine includes a housing with a bottom portion that is adapted to rest on a surface to be cleaned, a fluid delivery system including a fluid distributor, a fluid extraction system including a suction nozzle, at least one carriage assembly mounting the suction nozzle to the housing for movement with respect thereto and with respect to the surface to be cleaned, and an ultraviolet light mounted on at least one of the housing and the carriage assembly to emit ultraviolet light onto the surface to be cleaned.
Claims20
An unattended extraction cleaning machine, comprising:
- a housing with a bottom portion that is adapted to rest on a surface to be cleaned and that defines an opening in an underside of the housing;
- a fluid delivery system mounted to the housing and including a fluid distributor for delivering a cleaning fluid to the surface to be cleaned beneath the opening in the underside of the housing;
- a fluid extraction system including a suction nozzle for recovering soiled cleaning fluid from the surface to be cleaned beneath the opening in the underside of the housing;
- a carriage assembly mounting the suction nozzle to the housing for movement with respect thereto and with respect to the surface to be cleaned;
- a carriage assembly lens having a body operably coupled to a lower portion of the housing, the body defining a cavity that receives at least a portion of the carriage assembly, and
- at least one ultraviolet light emitting element mounted adjacent the carriage assembly and configured to emit ultraviolet light into the cavity.
Dependencies are inferred from the claim text.