US Patent 10575690 Vacuum cleaner

Provided is a vacuum cleaner including a cleaner body disposed at a position distant from the ground; moving wheels rotatably installed at both sides of the cleaner body and configured to rotatably support the cleaner body; a dust container installed at a front surface of the cleaner body located at a front of the moving wheels and configured to collect suctioned dust; and a suction hose connected to the front surface of the cleaner body and through which the dust is suctioned, wherein a center of gravity of the cleaner body is located at a rear side further than a vertical extension line of a rotating center of the moving wheels, and a rear end of the cleaner body becomes closer to the ground when travel of the vacuum cleaner is stopped.