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:
Aug. 04, 2026

Filed:

Sep. 06, 2023
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Joohang Kang, Seoul, KR;

Youngchan Ahn, Seoul, KR;

Junggu Lee, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06F 37/30 (2020.01); D06F 37/26 (2006.01); D06F 37/36 (2006.01); D06F 37/40 (2006.01); F16H 3/44 (2006.01); F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
D06F 37/304 (2013.01); D06F 37/262 (2013.01); D06F 37/36 (2013.01); D06F 37/40 (2013.01); F16H 3/44 (2013.01); F16H 2003/442 (2013.01); F16H 2057/085 (2013.01);
Abstract

A drum washing machine includes an inner tub and a drive system coupled to the inner tub. The drive system includes a housing, a motor disposed on one side of the housing, a rotor shaft coupled to the motor and bearing-coupled to the housing, an output shaft bearing-coupled to the housing, and wherein at least part of the output shaft is disposed in the rotor shaft, a planetary gear set that a part of the planetary gear set is spline-coupled to the rotor shaft, and other part of the planetary gear set is spline-coupled to the output shaft, and an actuator moving the planetary gear set in a horizontal direction, wherein, the housing is integrally formed with the inner tub.


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