The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 2026
Filed:
Dec. 09, 2020
Lg Electronics Inc., Seoul, KR;
Seungjin Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
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.