公开(公告)号：US20230278230A1

公开(公告)日：2023-09-07

申请号：US18019741

申请日：2020-08-04

Applicant: LG ELECTRONICS INC.

Inventor： Yongsoo KWAK ,  Taiwoo KIM ,  Gunho LEE ,  Jaewon CHANG

IPC: B25J11/00 ,  B25J5/00 ,  B25J19/00 ,  B25J15/00

CPC classification number: B25J11/008 ,  B25J5/007 ,  B25J19/0091 ,  B25J15/0014

Abstract: A tray according to an embodiment of the present invention may include: a housing having a lower plate and a perimeter wall provided on the lower plate and having a space formed inside the perimeter wall; a stabler comprising a moving body movably accommodated in the space; and a plurality of dampers disposed between an edge of the moving body and the perimeter wall.

公开(公告)号：US20220111508A1

公开(公告)日：2022-04-14

申请号：US17491358

申请日：2021-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Moonchan KIM ,  Taiwoo KIM ,  Wondong LEE ,  Sanghun MUN ,  Yoonhyouk CHEONG

IPC: B25J5/00 ,  B25J19/00 ,  B25J9/12

Abstract: A robot may include a robot frame having a bottom plate, and a rear caster and a wheel module disposed on the bottom plate, wherein the wheel module may include a link base mounted in the bottom plate to be spaced apart from the rear caster, a rotation damper mounted in the link base and having an elastic member accommodated therein, a front link connected to the rotation damper through a connecting shaft, a front caster mounted in a front portion of the front link, a drive motor mounted in a rear portion of the front link, and a drive wheel configured to be rotated by the drive motor.