Patent ID: 8733796

Claim:
A robot cleaner comprising: wheels rotatably mounted at a lower side of a main body of the robot cleaner to allow travel of the main body; and wire winding prevention members mounted at the lower side of the main body, each wire winding prevention member having an extending portion to contact a rim of a corresponding wheel, wherein a portion of the wheel is disposed within the lower side of the main body and a gap is formed between a lower surface of the main body and the wheel, and wherein the extending portion of the wire winding prevention member extends across the gap, and wherein each rim of the wheel comprises a guide slit configured to accommodate an end of the extending portion of the corresponding wire winding prevention member, the guide slit extends continuously and circumferentially of the rim of wheel, and the extending portion of the wire winding prevention member further extends from a point of contact with the rim of the wheel.