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：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：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.

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：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.

公开(公告)号：US11129327B2

公开(公告)日：2021-09-28

申请号：US16264494

申请日：2019-01-31

Applicant: LG ELECTRONICS INC.

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

IPC: A01D34/00 ,  A01D34/66 ,  A01D34/81 ,  B25J5/00 ,  B62D63/04 ,  G01D5/14 ,  G05D1/02 ,  A01D101/00

Abstract: A moving robot includes an inner body including a plurality of wheels, an outer cover mounted at the inner body and surrounding an outer side of the inner body, a handle mounted at the outer cover, a plurality of support pillars spaced apart from each other on the inner body and elastically supporting the outer cover in a first horizontal direction and a second horizontal direction with respect to the inner body, a prop tab mounted at each of the plurality of support pillars and configured to fasten the outer cover to the support pillar, and a protrusion tab that extends upwards from an upper surface of the prop tab and penetrates through the outer cover.

公开(公告)号：US11129326B2

公开(公告)日：2021-09-28

申请号：US16260865

申请日：2019-01-29

Applicant: LG ELECTRONICS INC.

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

IPC: A01D34/00 ,  A01D34/81 ,  B25J11/00 ,  G05D1/02 ,  A01D101/00

Abstract: A lawn mower robot includes an inner body including wheels for traveling on both sides thereof, an outer cover mounted at an upper portion of the inner body and surrounding the inner body, a handle mounted at an upper portion of the outer cover, a plurality of support portions disposed to be spaced apart from each other at an upper portion of the inner body in a front-rear direction and in a left-right direction and elastically supporting the outer cover in the front-rear direction and in the left-right direction with respect to the inner body, and a plurality of movement range restricting portions respectively restricting movement ranges of the plurality of support portions. Each movement range restricting portion includes an engaging portion formed at an upper portion of each support portion and a movement restricting cover installed at an upper portion of the inner body.