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.

Date of Patent:
Apr. 18, 2023

Filed:

Jul. 01, 2021
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Jae Youl Jeong, Suwon-si, KR;

Dong Wook Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/00 (2006.01); A47L 11/24 (2006.01); A47L 11/40 (2006.01); A01D 34/00 (2006.01); A01D 69/00 (2006.01); A47L 9/28 (2006.01);
U.S. Cl.
CPC ...
A47L 9/009 (2013.01); A47L 11/24 (2013.01); A47L 11/4069 (2013.01); A47L 11/4072 (2013.01); A01D 34/00 (2013.01); A01D 69/00 (2013.01); A47L 9/00 (2013.01); A47L 9/2884 (2013.01); A47L 2201/00 (2013.01); A47L 2201/04 (2013.01); A47L 2201/06 (2013.01);
Abstract

Disclosed herein are a wheel assembly and a robot cleaner including a main body and a wheel assembly coupled to the main body to guide movement of the main body. The wheel assembly has a rotation arm including a first end portion rotatably mounted on the main body, a drive wheel rotatably installed on a second end portion of the rotation arm opposite the first end portion, and an elastic member including a first end installed at the main body and a second end vertically moveably installed at the rotation arm opposite the first end, such that a reduction degree of a contact force due to a descent of the drive wheel.


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