公开(公告)号：US20220330769A1

公开(公告)日：2022-10-20

申请号：US17641924

申请日：2019-10-02

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE ,  Hwang KIM

IPC: A47L9/00 ,  B60B33/00

Abstract: The present disclosure relates to a robot cleaner, more particularly, to a robot cleaner that may be escaped from a trapped state by an escaping unit formed in an inner surface of a wheel, when a body of the robot cleaner is caught in a protrusion to put the robot cleaner in a trapped state where the robot cleaner cannot run during the running on the floor of a cleaning area.

公开(公告)号：US20210161346A1

公开(公告)日：2021-06-03

申请号：US16997503

申请日：2020-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE ,  Hwang KIM ,  Jongho PARK

IPC: A47L9/28 ,  A47L9/04 ,  A47L9/00

Abstract: Provided is a robot cleaner including a main body including a suction portion disposed thereon, main wheels for moving the main body, a side brush assembly disposed on the main body and rotating with a rotation shaft perpendicular to a rotation shaft of the main wheels, wherein the side brush assembly includes a housing for forming an exterior of the side brush assembly, a first force transmitter disposed in the housing and rotating by receiving a driving force, a second force transmitter in contact with the first force transmitter to rotate together when the first force transmitter is rotated, and a side brush coupled to the second force transmitter to rotate at the same rotation angle as the second force transmitter.

公开(公告)号：US20160320807A1

公开(公告)日：2016-11-03

申请号：US15204712

申请日：2016-07-07

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE ,  Keetae KIM ,  Dongguk KANG ,  Hojung LEE

IPC: G06F1/16

CPC classification number: G06F1/1666 ,  G06F1/1698 ,  G06F3/0221

Abstract: A portable keyboard is disclosed, by which portability can be enhanced with a simple configuration. The present invention includes a plurality of key assemblies, a body part and a flexible connecting member. When the portable keyboard is carried, a plurality of the key assemblies are rolled up around an outer circumference of the body part in a manner that the flexible connecting member between a plurality of the key assemblies is folded. When the portable keyboard is used, a plurality of the key assemblies are unfolded by being rolled down centering on the body part in a manner that the flexible connecting member between a plurality of the key assemblies is unfolded.

公开(公告)号：US20230320547A1

公开(公告)日：2023-10-12

申请号：US18017338

申请日：2020-12-09

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE ,  Sangik LEE

IPC: A47L9/00 ,  B60B19/00 ,  B60K7/00 ,  A47L9/28

CPC classification number: A47L9/009 ,  A47L9/2852 ,  B60B19/00 ,  B60K7/0007 ,  A47L2201/04 ,  B60B2200/49 ,  B60K2007/0092

Abstract: Disclosed is a robot cleaner including a main body for forming an exterior of the robot cleaner, each wheel cover detachably disposed in the main body, each driving module movably coupled to each wheel cover, and each wheel coupled to each driving module and rotated by receiving a driving force from each driving module, wherein each wheel includes a wheel body coupled to each driving module and forming an appearance of each wheel, a plurality of treads arranged to be spaced apart from each other along a circumferential face of the wheel body, and a plurality of ribs respectively disposed between the treads and protruding radially outward of each wheel.

公开(公告)号：US20230112896A1

公开(公告)日：2023-04-13

申请号：US17907856

申请日：2020-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Seungjin LEE ,  Sangik LEE

IPC: A47L11/40

Abstract: A robot cleaner is disclosed, which comprises a main body forming an external appearance, a water bucket unit provided in the main body, supplying water to a water mop, a driving wheel rotated by a rotational force of a driving motor provided in the main body, moving the main body, and a wiper module provided in the water bucket unit, wherein the wiper module is extended to front and rear directions of the driving wheel and formed to be protruded toward the floor where the main body drives.

公开(公告)号：US20220386833A1

公开(公告)日：2022-12-08

申请号：US17762415

申请日：2019-10-02

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE ,  Hwang KIM

IPC: A47L9/00 ,  A47L11/40 ,  B60B33/00

Abstract: The present disclosure relates to a robot cleaner, more particularly, to a robot cleaner that may rotate auxiliary wheels to run over a tilted route or an obstacle, when cannot run over a tilted route or an obstacle because main wheels are not contacting with the floor.

公开(公告)号：US20230301476A1

公开(公告)日：2023-09-28

申请号：US18018681

申请日：2020-10-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsup SONG ,  Sangik LEE ,  Seungjin LEE

IPC: A47L9/00

CPC classification number: A47L9/009 ,  A47L2201/00 ,  A47L9/2805

Abstract: The present invention relates to a robot cleaner and, more particularly, to a robot cleaner comprising: a main body forming the outer appearance; a suction unit provided in the main body; a dust collecting unit which is provided in the main body and collects dust introduced through the suction unit; a driving motor which provides rotating power to move the main body, and includes a driving shaft and a driving gear coupled to one end portion of the driving shaft; a driving wheel rotating according to driving of the driving motor; a deceleration gear unit which connects the driving motor to the driving wheel and transmits the rotating power generated by the driving motor to the driving wheel; a first housing which is coupled to the driving motor and covers at least a part of the driving wheel; and a second housing which is provided between the driving wheel and the first housing to be respectively coupled to the driving wheel and the first housing, and has a wheel accommodation unit provided at one side thereof for accommodating the driving wheel, and a gear accommodation unit provided at the other side for accommodating the deceleration gear unit. The first housing may be fixed by being coupled to the driving motor, and the second housing and the driving wheel coupled to the second housing may be provided to pivotably rotate together by using, as a rotary shaft, a gear shaft of a deceleration gear included in the deceleration gear unit.

公开(公告)号：US20230218132A1

公开(公告)日：2023-07-13

申请号：US18014879

申请日：2020-12-09

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE

IPC: A47L9/00 ,  A47L9/28

CPC classification number: A47L9/009 ,  A47L9/2852 ,  A47L2201/04

Abstract: A robot cleaner is disclosed. The robot cleaner according to an embodiment of the present disclosure comprises: a body; a wheel cover; a drive module; and a wheel, wherein the wheel comprises: a wheel body coupled to the drive module and forming the appearance of the wheel; a plurality of tread portions arranged along the circumferential surface of the wheel body and spaced apart from each other; cutout portions formed between the tread portions at the circumferential surface of the wheel body; and a rib member comprising a ring portion received in the wheel body and rib portions protruding radially outward of the wheel from the ring portion through the cutout portions, wherein the rib member comprises an elastic material and is thus provided such that the rib portions are retracted inside the wheel body when a force is applied radially inward of the wheel.

公开(公告)号：US20190239710A1

公开(公告)日：2019-08-08

申请号：US16264886

申请日：2019-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin LEE ,  Sangik LEE ,  Sangjo KIM

IPC: A47L9/28 ,  A47L9/00

CPC classification number: A47L9/2826 ,  A47L9/009 ,  A47L9/2852 ,  A47L9/2873 ,  A47L2201/022 ,  A47L2201/06

Abstract: A cleaner may include a main body configured to be ascendable and descendable with respect to a suspension assembly provided to absorb shocks applied to a wheel assembly, thereby enabling the suspension assembly to continuously absorb shocks even when the height of the main body is adjusted. The cleaner may further include a charging terminal configured to connect to an external docking device to charge the cleaner and provided on a bottom surface of the main body, a drive assembly including a wheel assembly to drive the main body, a height adjuster coupled to the main body to ascend or descend together with the main body and mounted to the drive assembly so as to be ascendable and descendable, and a controller to ascend the height adjuster and raise the main body when the main body is set to be docked with the docking device.

公开(公告)号：US20210113038A1

公开(公告)日：2021-04-22

申请号：US16659816

申请日：2019-10-22

Applicant: LG Electronics Inc.

Inventor： Seungjin LEE ,  Hwang KIM ,  Sangik LEE ,  Seaunglok HAM

IPC: A47L9/00 ,  A47L9/28 ,  A47L11/40

Abstract: A robot cleaner includes a main body, and a wheel unit including a wheel configured to movably support the main body. The wheel unit is installed in a suspension unit and configured to be movable upward or downward. The suspension unit is configured to absorb impact when the wheel unit moves upward or downward, and is installed in a lifting unit coupled to the main body. The suspension unit is configured to be raised or lowered relative to the lifting unit. The lifting unit includes a lifting drive motor including a rotatable shaft disposed in parallel with a direction in which the suspension unit is configured to be raised or lowered, and a transmission unit configured to transmit a rotation force of the lifting drive motor to the suspension unit.