公开(公告)号：US11457782B2

公开(公告)日：2022-10-04

申请号：US16259316

申请日：2019-01-28

Applicant: LG Electronics Inc.

Inventor： Changhwa Sun ,  Sangjo Kim

IPC: A47L9/04 ,  A47L9/00 ,  B25J11/00 ,  A47L11/40 ,  A47L9/02

Abstract: A robot cleaner includes a body configured to house a suction motor, a nozzle coupled to the body and including a suction port, and a movable unit coupled to the nozzle in front of the suction port. The movable unit is movable between a first position where the movable unit overlaps with the nozzle and a second position where the movable unit protrudes forward from the nozzle.

公开(公告)号：US11419470B2

公开(公告)日：2022-08-23

申请号：US16264886

申请日：2019-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Seungjin Lee ,  Sangik Lee ,  Sangjo Kim

IPC: A47L9/28 ,  G05D1/02 ,  A47L9/00 ,  G05D1/08

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：US10362921B2

公开(公告)日：2019-07-30

申请号：US15856384

申请日：2017-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungkyu Youk ,  Sangjo Kim

IPC: B60K17/14 ,  A47L11/40 ,  A47L5/22 ,  A47L9/00 ,  A47L9/04 ,  A47L9/14 ,  A47L11/282 ,  A47L9/28 ,  B60G3/01 ,  B60G11/14 ,  A47L9/06 ,  B60K7/00 ,  B60K17/04

Abstract: The present disclosure relates to a cleaner including a cleaner main body having a controller, a wheel cover mounted on the cleaner main body, a driving module coupled to the wheel cover to be movable up and down, a driving wheel coupled to the driving module and configured to be rotatable by receiving driving force from the driving module, a guide bar coupled to the wheel cover and provided in an up and down direction, the guide bar being inserted through the driving module to guide the upward and downward movement of the driving module, and an elastic member surrounding the guide bar and connected to the wheel cover and the driving module, respectively, to absorb impacts while the driving module is moved up and down.

公开(公告)号：US10531778B2

公开(公告)日：2020-01-14

申请号：US15747166

申请日：2016-08-23

Applicant: LG Electronics Inc.

Inventor： Hyungkyu Youk ,  Sangjo Kim

IPC: A47L9/28 ,  A47L5/36 ,  A47L9/00

Abstract: A vacuum cleaner includes a cleaner body; a suction unit connected with the cleaner body, sucking dust and air, guiding the sucked dust and air to the cleaner body, and having a handle; a moving unit including a wheel and a motor for driving the wheel to automatically move the cleaner body; and a clutch unit connecting the motor and the wheel or releasing the connection of the motor and the wheel according to an operational state of the cleaner body. The clutch unit includes a sun gear connected with the motor, a ring gear connected with the wheel, a plurality of fixed planetary gears disposed to be spaced apart each other between the sun gear and the ring gear, and a moving planetary gear which may transmit a rotational force transmitted to the sun gear to one gear of the plurality of fixed planetary gears.

公开(公告)号：US10258212B2

公开(公告)日：2019-04-16

申请号：US15598781

申请日：2017-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Bohyun Nam ,  Inbo Shim ,  Jihoon Sung ,  Sojin Park ,  Seunghyun Song ,  Sangkyu Lee ,  Changhwa Sun ,  Sangjo Kim

IPC: A47L9/04 ,  A47L9/14 ,  A47L9/28

Abstract: A cleaner includes: a cleaner body having therein a module mounting portion; a rotation driving portion provided at one side of the module mounting portion; and a cleaning module detachably mounted to the module mounting portion through one side of the cleaner body, wherein the cleaning module includes: a holder linearly inserted into or withdrawn from the module mounting portion in a side direction of the cleaner body; and a cleaning member supported by the holder so as to be inserted or withdrawn into or from the module mounting portion, together with the holder when the holder is inserted thereinto or withdrawn therefrom, and the cleaning member rotated by a driving force provided from the rotation driving portion.

公开(公告)号：US20180184867A1

公开(公告)日：2018-07-05

申请号：US15854454

申请日：2017-12-26

Applicant: LG ELECTRONICS INC.

Inventor： Changhwa SUN ,  Sangjo Kim

IPC: A47L9/28 ,  A47L9/00 ,  A47L9/04

Abstract: A robot cleaner includes: a base body forming a bottom part of a cleaner body; a first wheel module and a second wheel module installed to be spaced apart from each other, and configured to moveably support the base body; a suction motor module and a battery module provided between the first and second wheel modules; and a suction nozzle module provided at a front side of the suction motor module and the battery module, and configured to suck air of a region to be cleaned, wherein a plurality of module accommodation portions which are open towards a lower side of the robot cleaner are formed at the base body, and wherein the first wheel module, the second wheel module, the suction motor module, the battery module, and the suction nozzle module are inserted into the module accommodation portions, respectively, in parallel to each other.

公开(公告)号：US11253122B2

公开(公告)日：2022-02-22

申请号：US16256067

申请日：2019-01-24

Applicant: LG Electronics Inc.

Inventor： Changhwa Sun ,  Sangjo Kim

IPC: A47L9/04

Abstract: A suction nozzle includes a nozzle body including a suction port. The suction nozzle also includes a rotary cleaning unit rotatably mounted in the nozzle body and having a cleaning element for cleaning a floor. Additionally, the suction nozzle includes an anti-winder mounted on the nozzle body and having a plurality of contact parts that overlap a side end of the cleaning element along at least a portion of a rotational path followed by the cleaning element of the rotary cleaning unit when the rotary cleaning unit is rotated.

公开(公告)号：US10568482B2

公开(公告)日：2020-02-25

申请号：US15856213

申请日：2017-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Changhwa Sun ,  Sangjo Kim

IPC: A47L11/40 ,  A47L9/04 ,  A47L9/28 ,  A47L9/22 ,  A46B15/00 ,  A47L9/00

Abstract: Disclosed is a cleaner having a structure that a supporting member and a cleaning module are coupled to or separated from a cleaner body. The cleaner includes a cleaner body having a module mounting portion; a supporting member inserted and mounted to the module mounting portion, and separated and withdrawn from the module mounting portion, through a bottom part of the cleaner body; and a cleaning module coupled to the supporting member so as to be inserted or withdrawn together with the supporting member when the supporting member is inserted or withdrawn.

公开(公告)号：US10463212B2

公开(公告)日：2019-11-05

申请号：US15599829

申请日：2017-05-19

Applicant: LG ELECTRONICS INC.

Inventor： Bohyun Nam ,  Inbo Shim ,  Jihoon Sung ,  Sojin Park ,  Seunghyun Song ,  Sangkyu Lee ,  Woochan Jun ,  Changhwa Sun ,  Hyungkyu Youk ,  Sangjo Kim

IPC: A47L9/00 ,  A47L5/22 ,  A47L9/04 ,  A47L9/12 ,  A47L9/16 ,  A47L9/28 ,  A47L9/30 ,  G05D1/00 ,  G05D1/02

Abstract: A robot cleaner comprising: a first housing including a controller and a driving wheel of which driving is controlled by the controller; a second housing provided at one side of the first housing, the second housing having a brush module or mop module mounted thereto; a front bumper provided at a front portion of the second housing, the front bumper configured to be movable to the inside of the second housing when the front bumper is in contact with an obstacle; at least one sensing means provided at the inside of the front bumper to sense a movement of the front bumper to the inside of the second housing; side bumpers respectively provided at left and right side portions of the second housing, the side bumpers each being configured to movable to the inside of the second housing when the side bumper is in contact with an obstacle; and a link member provided at the inside of the side bumper to allow the side bumper and the front bumper to interlock with each other such that, when the side bumper is moved to the inside of the second housing, at least one portion of the front bumper is moved together with the side bumper to the inside of the second housing.

公开(公告)号：US20180184871A1

公开(公告)日：2018-07-05

申请号：US15856213

申请日：2017-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Changhwa SUN ,  Sangjo Kim

IPC: A47L11/40 ,  A47L9/04 ,  A47L9/28

Abstract: Disclosed is a cleaner having a structure that a supporting member and a cleaning module are coupled to or separated from a cleaner body. The cleaner includes a cleaner body having a module mounting portion; a supporting member inserted and mounted to the module mounting portion, and separated and withdrawn from the module mounting portion, through a bottom part of the cleaner body; and a cleaning module coupled to the supporting member so as to be inserted or withdrawn together with the supporting member when the supporting member is inserted or withdrawn.