公开(公告)号：US11641799B2

公开(公告)日：2023-05-09

申请号：US17150111

申请日：2021-01-15

Applicant: LG ELECTRONICS INC.

Inventor： Kyeongho Cho ,  Hanshin Kim ,  Siyong Kim

IPC: A01D34/82 ,  A01D75/20 ,  A01D101/00

CPC classification number: A01D34/828 ,  A01D75/20 ,  A01D2101/00

Abstract: A blade protection cover coupled to a blade of a lawn mower apparatus includes a first cover for covering one face of the blade and two second covers connected to the first cover. The two second covers cover two edges of the blade in a width direction of the blade. Two guides are disposed on inner faces of the two second covers. The two guides are configured to guide the blade protection cover to slide along the two edges in the width direction of the blade.

公开(公告)号：US10542667B2

公开(公告)日：2020-01-28

申请号：US15856445

申请日：2017-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsup Song ,  Hanshin Kim

IPC: A01D34/00 ,  A01D34/81 ,  A01D34/74 ,  A01D34/82 ,  A01D101/00

Abstract: A lawn mower robot may include an inner body; an outer cover; wheels rotatably mounted; a rotating plate rotatably mounted on a bottom surface of the inner body; a plurality of blades spaced apart from each other in a circumferential direction of the rotating plate; and a blade protection cover formed to be spaced apart from the blades, wherein the blade protection cover comprises a plurality of protrusion portions spaced apart from each other on a circular arc in front of a blade protection cover body, and a distance between the plurality of protrusion portions is formed to be smaller toward both side end portions with respect to a front-rear directional center line of the blade protection cover.

公开(公告)号：US11154005B2

公开(公告)日：2021-10-26

申请号：US16375424

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: A01D34/00 ,  G05D1/02 ,  A01D34/81 ,  A01D69/02 ,  A01D101/00

Abstract: A lawn mower robot includes an outer cover; an inner body accommodated into the outer cover to mount wheels for traveling on both sides thereof; wheel drive motors mounted on both sides of the inner body, respectively, to drive the wheels, respectively; a rotating plate rotatably mounted on a bottom surface of the inner body; blades rotatably mounted on the rotating plate to mow the grass; a blade drive motor mounted inside the inner body to rotate the blades together with the rotating plate; a battery mounted inside the inner body to supply power to the wheel drive motor and the blade drive motor; a battery receiving portion extended upward in a protruding manner from a bottom surface of the inner body toward an inner space of the inner body to accommodate the battery therein; and a battery cover mounted to cover the battery receiving portion.

公开(公告)号：US11140823B2

公开(公告)日：2021-10-12

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 ,  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 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.

公开(公告)号：US20180177372A1

公开(公告)日：2018-06-28

申请号：US15853040

申请日：2017-12-22

Applicant: LG Electronics Inc.

Inventor： Hyunsup Song ,  Hanshin Kim

IPC: A47L9/28 ,  A47L9/06 ,  H04N5/225 ,  B25J9/16

Abstract: A cleaning robot includes a main body, a traveling part provided at a lower portion of the main body to enable the main body to move along a floor surface, a suction part provided at the main body to suck foreign materials from the floor surface, a cover provided on an exterior of the main body, and a recessed part recessed at a predetermined position of the cover, wherein the cover includes a first cover positioned above the recessed part, and a second cover which is positioned below the recessed part and has a greater width than the first cover.

公开(公告)号：US11140820B2

公开(公告)日：2021-10-12

申请号：US16375217

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: A01D34/74 ,  A01D34/00 ,  A01D34/64 ,  A01D34/82 ,  A01D101/00 ,  G05D1/02

Abstract: A lawn mower robot includes: an outer cover; an inner body accommodated inside the outer cover and having a plurality of wheels on both side surfaces for traveling; a rotating plate rotatably mounted on a bottom surface of the inner body; a plurality of blades rotatably mounted on the rotating plate to cut grass; a height adjustment unit to adjust height of the blades; and a height display unit to display the blade height, wherein the height display unit includes: an inner cover mounted on an upper portion of the outer cover; a display window formed through one side of the inner cover; and a ruler having numerals on an upper surface to display the height of the blades, and mounted inside the inner body to be movable up and down and back and forth in correspondence to movement of the height adjustment unit.

公开(公告)号：US10765284B2

公开(公告)日：2020-09-08

申请号：US15853040

申请日：2017-12-22

Applicant: LG Electronics Inc.

Inventor： Hyunsup Song ,  Hanshin Kim

IPC: A47L9/28 ,  H04N5/225 ,  B25J9/16 ,  A47L9/30 ,  B25J11/00 ,  A47L9/06

Abstract: A cleaning robot includes a main body, a traveling part provided at a lower portion of the main body to enable the main body to move along a floor surface, a suction part provided at the main body to suck foreign materials from the floor surface, a cover provided on an exterior of the main body, and a recessed part recessed at a predetermined position of the cover, wherein the cover includes a first cover positioned above the recessed part, and a second cover which is positioned below the recessed part and has a greater width than the first cover.

公开(公告)号：US20200237174A1

公开(公告)日：2020-07-30

申请号：US16847931

申请日：2020-04-14

Applicant: LG Electronics Inc.

Inventor： Hanshin Kim ,  Kyuchun CHOI ,  Jungmin SHIM

IPC: A47L11/40 ,  B25J9/00 ,  G05D1/02 ,  G01S7/481 ,  B25J9/16 ,  G01S17/931 ,  A47L9/28 ,  A47L9/04

Abstract: A cleaning robot includes a top cover, a bottom cover formed below the top cover and configured to move by external force, a fixed body provided in the bottom cover, a first opening formed in an upper portion of the bottom cover and a first sensor connected to the fixed body and externally exposed between the top cover and the bottom cover through the first opening.

公开(公告)号：US10646090B2

公开(公告)日：2020-05-12

申请号：US15861347

申请日：2018-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Hanshin Kim ,  Kyuchun Choi ,  Jungmin Shim

IPC: A47L11/40 ,  B25J9/00 ,  A47L9/28 ,  G01S7/481 ,  G01S17/931 ,  B25J9/16 ,  A47L9/04 ,  G05D1/02

Abstract: A cleaning robot includes a top cover, a bottom cover formed below the top cover and configured to move by external force, a fixed body provided in the bottom cover, a first opening formed in an upper portion of the bottom cover and a first sensor connected to the fixed body and externally exposed between the top cover and the bottom cover through the first opening.

公开(公告)号：US11166409B2

公开(公告)日：2021-11-09

申请号：US16373050

申请日：2019-04-02

Applicant: LG ELECTRONICS INC.

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

IPC: A01D34/00 ,  A01D34/73 ,  A01D34/78 ,  A01D34/81 ,  A01D101/00

Abstract: A lawn mower robot includes an outer cover, an inner body positioned in the outer cover and having a plurality of wheels for traveling provided on both side surfaces thereof, a plurality of blades rotatably mounted on a bottom surface of the inner body to cut grass, electric devices mounted inside the inner body and including a battery, wheel driving motors, a blade driving motor, a plurality of ultrasonic sensor modules, rain sensors, a user interface (UI) module, and a universal serial bus (USB) port, and a waterproof unit to prevent penetration of water into the inner body or the electric devices, thereby improving waterproof performance.