公开(公告)号：US20220408992A1

公开(公告)日：2022-12-29

申请号：US17787639

申请日：2020-10-14

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Sanghoon HAN ,  Youngjun JEON ,  Byungho YOON ,  Soohyun KIM

IPC: A47L9/00 ,  A47L9/28

Abstract: The present invention relates to a robot vacuum cleaner comprising sub-wheels having variable rotational positions, the robot vacuum cleaner comprising subframes rotatably attached to main frames to ground the sub-wheels when in a constrained state.

公开(公告)号：US20170238778A1

公开(公告)日：2017-08-24

申请号：US15436093

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Sungil PARK ,  Soohyun KIM ,  Byungho YOON ,  Sanghoon HAN ,  Youngjun JEON

IPC: A47L9/28 ,  B25J13/08 ,  A47L9/00 ,  B62D61/12

CPC classification number: A47L9/2852 ,  A47L9/009 ,  A47L9/2805 ,  A47L9/2857 ,  A47L9/2873 ,  A47L9/2884 ,  A47L9/2894 ,  A47L2201/022 ,  A47L2201/04 ,  B25J13/085 ,  B62D61/12

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a main wheel, a motor generating a driving force, a gear box connected to the main wheel and the motor and transferring the driving force from the motor to the main wheel, and a leg member disposed on a shaft connecting the main wheel and the gear box and providing thrust independently of the main wheel.

公开(公告)号：US20190152045A1

公开(公告)日：2019-05-23

申请号：US16238796

申请日：2019-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Sungil PARK ,  Soohyun KIM ,  Byungho YOON ,  Sanghoon HAN ,  Youngjun JEON

IPC: B25J5/00 ,  B62D57/024 ,  B25J11/00 ,  B62D55/075 ,  A47L11/40

CPC classification number: B25J5/005 ,  A47L11/4011 ,  A47L11/4061 ,  A47L2201/04 ,  B25J11/0075 ,  B25J11/0085 ,  B62D55/075 ,  B62D57/024 ,  Y10S901/01

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.

公开(公告)号：US20170239809A1

公开(公告)日：2017-08-24

申请号：US15436189

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Sungil PARK ,  Soohyun KIM ,  Byungho YOON ,  Sanghoon HAN ,  Youngjun JEON

IPC: B25J5/00 ,  B25J11/00 ,  A47L11/40 ,  B62D55/075

CPC classification number: B25J5/005 ,  A47L11/4011 ,  A47L11/4061 ,  A47L2201/04 ,  B25J11/0075 ,  B25J11/0085 ,  B62D55/075 ,  B62D57/024 ,  Y10S901/01

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.