US Patent 11548139 Robot

Provided is a robot including a main body provided with a pair of traveling wheels that are spaced apart from each other in a horizontal direction, a seating body disposed above the main body, a foot supporter disposed on a front lower portion of the main body, at least one front wheel disposed on the foot supporter, and a rear wheel disposed on the main body so as to be closer to a rear end of the main body than a front end of the main body and the traveling wheel is closer to the front end of the main body than the rear end of the main body.