| 摘要 |
A corner cleaning device of a robot cleaner is provided to forcibly disperse and suck dust and dirt of a corner into a suction motor by using air sucked into the suction motor, to actively jet dust and foreign matters-removed air into outside of a main body of the cleaner, and to adjust the amount of air discharged through an air jetting port. A corner cleaning device of a robot cleaner comprises a suction head(20) installed with a main brush(21) to be rotated by a brush motor(22) at the lower surface of a cleaner main body(10) so as to suck dust or dirt; a suction motor(30) sucking air in the suction head; an exhaust port(40) formed at the rear side of the suction motor to discharge air to the outside of the cleaner main body; an air jetting unit(50) dispersing the air sucked by the suction motor to the outside of the cleaner main body to scatter dust and dirt accumulated at an indoor wall corner; and an auxiliary cleaning unit(60) pushing dust and dirt dispersed by the air jetting unit toward the suction head.
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