An automatic cleaner is provided. The automatic cleaner may include a main body, and a wheel assembly disposed in the main body to allow the main body to move. The wheel assembly may include a drive, a first wheel rotated by a power of the drive, and a second wheel rotated by the power of the drive. The second wheel may include a plurality of contact protrusions on an outer circumferential surface thereof.
Automatic cleaner
2018-02-20
Patent
Electronic Resource
English
IPC: | A47L DOMESTIC WASHING OR CLEANING , Waschen oder Reinigen im Haushalt / B08B Reinigen allgemein , CLEANING IN GENERAL / B25F Kombinierte oder Mehrzweckwerkzeuge, soweit nicht anderweitig vorgesehen , COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR / B60B VEHICLE WHEELS , Räder für Fahrzeuge |