公开(公告)号：US11589721B2

公开(公告)日：2023-02-28

申请号：US17638602

申请日：2020-07-24

Applicant: LG ELECTRONICS INC.

Inventor： Jongho Park ,  Sangik Lee ,  Woo Hong

IPC: A47L9/04 ,  A47L9/28 ,  A46B9/02 ,  A46B13/00 ,  A46B13/02

Abstract: The present invention provides a cleaning unit, comprising: a columnar body part having a rotation guide opening formed on the outer circumferential surface thereof; a shaft installed to reciprocate a predetermined distance in the longitudinal direction thereof in a hollow formed in the body part; a drive part that protrudes from the shaft in the radial direction thereof; a brush part that has one side installed on the outer circumferential surface of the body part along the longitudinal direction thereof and rotates on the basis of the one side as a rotation axis; and a driven part that extends from the brush part toward the drive part, passes through the rotation guide opening, and is inserted into a rotation guide groove formed in the drive part. The rotation guide groove extends at a predetermined angle with respect to the longitudinal direction of the shaft, and as the shaft reciprocates, the driven part is guided to rotate by means of the rotation guide groove, and the brush is rotated by means of the rotation of the driven part. The cleaning unit may include a robot cleaner or a cleaner operated by means of a user's operation.

公开(公告)号：US11480975B2

公开(公告)日：2022-10-25

申请号：US16765405

申请日：2019-09-20

Applicant: LG ELECTRONICS INC.

Inventor： Changhyeon Lee ,  Woo Hong

IPC: G05D1/02 ,  A47L9/04 ,  A47L9/28

Abstract: A method for adaptively operating a cleaning robot based on height difference between floors and the cleaning robot are provided, and according to an embodiment of the present disclosure, the cleaning robot that adaptively operates based on the height difference between the floors includes a central controller that controls a height adjuster that controls a height of a floor cleaner based on height information related to a space stored in a map storage and height information sensed by a sensor.

公开(公告)号：US11129330B2

公开(公告)日：2021-09-28

申请号：US16375400

申请日：2019-04-04

Applicant: LG ELECTRONICS INC.

Inventor： Woo Hong ,  Siyong Kim ,  Hanshin Kim ,  Hyunsup Song ,  Kyeongho Cho ,  Jaehun Han ,  Jiwoo Ha

IPC: A01D34/82 ,  A01D34/00 ,  A01D34/64 ,  A01D34/74 ,  A01D101/00

Abstract: The present disclosure relates to a lawn mower robot, and the lawn mower robot may include an outer cover; an inner body accommodated into the outer cover, and provided with a plurality of wheels for traveling on both sides thereof; a blade drive motor mounted inside the inner body; a rotating plate driven by the blade drive motor, and rotatably mounted on a bottom surface of the inner body; a plurality of blades rotatably mounted on the rotating plate, and unfolded to an outside of the rotating plate or folded to an inside of the rotating plate; a blade protection cover disposed on a bottom surface of the inner body to cover the rotating plate and the plurality of blades; and a sealing portion configured to seal between the inner body and the blade protection cover.

公开(公告)号：US11071249B2

公开(公告)日：2021-07-27

申请号：US16375294

申请日：2019-04-04

Applicant: LG ELECTRONICS INC.

Inventor： Woo Hong ,  Siyong Kim ,  Hanshin Kim ,  Hyunsup Song ,  Kyeongho Cho ,  Jaehun Han ,  Jiwoo Ha

IPC: A01D34/81 ,  A01D34/00 ,  A01D34/64 ,  A01D101/00

Abstract: A lawn mower robot includes an outer cover; an inner body accommodated into the outer cover to mount a plurality of wheels on sides thereof; a plurality of blades rotatably mounted on a bottom surface of the inner body to mow grass; a plurality of support portions arranged in front-rear and left-right directions on an upper portion of the inner body to movably support the outer cover in front-rear and left-right directions with respect to the inner body; a UI module mounted on an upper portion of the inner body, and provided with a user control panel and an information display unit on an upper portion thereof; and a UI dust cover mounted on an inner side of the outer cover to block dust inside the outer cover from entering into the user control panel and the information display unit, thereby preventing dust from entering into the UI module.

公开(公告)号：US20190307067A1

公开(公告)日：2019-10-10

申请号：US16375505

申请日：2019-04-04

Applicant: LG ELECTRONICS INC.

Inventor： Woo Hong ,  Siyong Kim ,  Hanshin Kim ,  Hyunsup Song ,  Kyeongho Cho ,  Jaehun Han ,  Jiwoo Ha

IPC: A01D34/82 ,  A01D34/00 ,  A01D34/81

Abstract: A lawn mower robot includes an outer cover; an inner body accommodated into the outer cover to mount a plurality of wheels for traveling on both sides thereof; a plurality of blades rotatably mounted on a bottom surface of the inner body to mow the grass; a plurality of support portions arranged to be spaced apart in front-rear and left-right directions on an upper portion of the inner body to movably support the outer cover in front-rear and left-right directions with respect to the inner body; and a plurality of injury preventing walls provided on a bottom surface of the inner body to prevent a user's hand from entering toward the plurality of blades from a lower portion of the outer cover, thereby preventing a user's hand or the like from entering the blades through a lower portion of the outer cover so as to improve safety.