公开(公告)号：US20230284855A1

公开(公告)日：2023-09-14

申请号：US18016633

申请日：2021-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Youngbin KIM ,  Jaewon JANG ,  Minwoo LEE ,  Yeongiae LEE

IPC: A47L11/282 ,  A47L11/40

CPC classification number: A47L11/282 ,  A47L11/4005 ,  A47L11/4038 ,  A47L11/4069 ,  A47L11/4072 ,  A47L11/4083 ,  A47L2201/04 ,  A47L2201/06

Abstract: The present disclosure relates to a robot cleaner including: a body including a lower body and an upper body for covering the lower body, the body having a space for accommodating a battery, a water container, and a motor therein; a first rotary plate having a lower portion to which a first mop is coupled; and a second rotary plate having a lower portion to which a second mop is coupled, in which the body includes a bottom surface disposed to be directed toward a floor, and a mop support portion disposed on the bottom surface, protruding downward, and configured to be in contact with the first mop and the second mop, and the mops are bent by being brought into contact with the mop support portion, thereby increasing a frictional force between the floor and the mops.