Patent ID: 7200892

Claim:
A robot cleaner, comprising: a robot cleaner body comprising, a controlling portion which is programmed to control the robot cleaner to automatically run and clean a floor surface to be cleaned in accordance with predetermined set values; a driving portion driven in accordance with a control signal from the controlling portion; a dust suction portion for capturing and collecting dust by a suction motor; and a hinge receiving portion protruding to oppose the floor surface to be cleaned, and the hinge receiving portion protrudes from a brush frame seating portion which is provided to the robot cleaner body; a brush frame comprising a hinge protrusion pivotally connected to the hinge receiving portion, a suction port sealingly connected with the dust suction portion of the robot cleaner body, a hinge receiving portion insertion hole corresponding in position to the hinge receiving portion to allow the hinge receiving portion to pass therethrough, and a hinge protrusion formed on an inner circumference of the hinge receiving portion insertion hole; and a rotatable brush rotatably disposed between the brush frame and a brush cover, wherein the brush frame is ascended and descended in accordance with the condition of the floor surface to be cleaned.