US 2017/0001490 A1 · DRIVING UNIT AND CLEANING ROBOT COMPRISING SAME

Abstract

Disclosed herein is a cleaning robot including an improved driving unit to escape from an undriveable state occurring under various driving conditions. The cleaning robot includes a body, and a driving unit that drives the body. The driving unit includes a first driving motor and a second driving motor that generate driving power; a driving wheel that rotates when the driving power is delivered to the driving wheel from the first driving motor; and a wheel frame that supports the driving wheel to be rotatable and rotates between a first position and a second position with respect to a motor shaft of the first driving motor. The wheel frame rotates in at least one section between the first position and the second position when the driving power is delivered to the wheel frame from the second driving motor.

Claims24

Dependent claims

A cleaning robot comprising:

a body;
and
a driving unit to drive the body;
wherein the driving unit comprises:
a first driving motor and a second driving motor to generate driving power;
a driving wheel to rotate when the driving power is delivered to the driving wheel from the first driving motor;
and
a wheel frame to support the driving wheel to be rotatable, and rotate between a first position and a second position with respect to a motor shaft of the first driving motor,
wherein the wheel frame rotates in at least one section between the first position and the second position when the driving power is delivered to the wheel frame from the second driving motor.

6 more elements

Dependencies are inferred from the claim text.

Driving unit and cleaning robot comprising same

Life of this patent

Driving unit and cleaning robot comprising same

Life of this patent

Abstract

Claims24