US 12,139,838 B2
Apparatus for treating laundry
Hyeonjoong Kim, Seoul (KR); Hongjun Cho, Seoul (KR); Hyojun Kim, Seoul (KR); Oshin Kwon, Seoul (KR); Yangguk Hwang, Seoul (KR); Hyuksoo Lee, Seoul (KR); and Yeonju Lee, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Sep. 3, 2021, as Appl. No. 17/466,849.
Claims priority of application No. 10-2020-0113075 (KR), filed on Sep. 4, 2020; application No. 10-2020-0113077 (KR), filed on Sep. 4, 2020; and application No. 10-2020-0113078 (KR), filed on Sep. 4, 2020.
Prior Publication US 2022/0074109 A1, Mar. 10, 2022
Int. Cl. D06F 37/30 (2020.01); D06F 37/04 (2006.01); D06F 58/02 (2006.01); D06F 58/08 (2006.01); D06F 58/20 (2006.01); H02K 1/27 (2022.01); H02K 7/14 (2006.01); H02K 9/02 (2006.01)
CPC D06F 37/304 (2013.01) [D06F 37/04 (2013.01); D06F 58/02 (2013.01); D06F 58/08 (2013.01); D06F 58/20 (2013.01); D06F 58/206 (2013.01); H02K 1/27 (2013.01); H02K 7/14 (2013.01); H02K 9/02 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus for treating laundry, comprising:
a drum comprising:
a drum body configured to receive the laundry,
a front cover that defines a front side of the drum body, the front cover defining a drum entrance that passes through the front cover and is in communication with an inside of the drum body, and
a rear cover that defines a rear side of the drum body;
a fixed panel spaced apart from the rear cover of the drum;
a housing that has a hollow cylindrical shape and is fixed to the fixed panel;
a motor comprising a stator fixed to at least one of the fixed panel or the housing and a rotor configured to rotate relative to the stator;
a ring gear fixed to an inside of the housing;
a base located within the housing;
a first shaft having a first end fixed to the rotor and a second end located within the housing;
a driver gear located within the housing and fixed to the first shaft;
a second shaft that is concentric with the first shaft, the second shaft having (i) a first end that is fixed to the rear cover of the drum and that passes through the fixed panel and (ii) a second end that is located within the housing and fixed to the base; and
a driven gear comprising:
a first body rotatably fixed to the base,
a first gear defined at a circumferential surface of the first body and engaged with the driver gear,
a second body fixed to the first body, a diameter of the second body being less than a diameter of the first body, and
a second gear defined at a circumferential surface of the second body and engaged with the ring gear.