US 12,150,567 B2
Refrigerator
Changseok Oh, Seoul (KR); and Sangmyung Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Sep. 21, 2023, as Appl. No. 18/371,116.
Application 18/371,116 is a continuation of application No. 17/901,248, filed on Sep. 1, 2022, granted, now 11,793,330.
Application 17/901,248 is a continuation of application No. 17/018,321, filed on Sep. 11, 2020, granted, now 11,464,347, issued on Oct. 11, 2022.
Application 17/018,321 is a continuation of application No. 16/881,752, filed on May 22, 2020, granted, now 10,799,039, issued on Oct. 13, 2020.
Application 16/881,752 is a continuation of application No. 16/695,611, filed on Nov. 26, 2019, granted, now 10,694,870, issued on Jun. 30, 2020.
Application 16/695,611 is a continuation of application No. 15/963,498, filed on Apr. 26, 2018, granted, now 10,524,586, issued on Jan. 7, 2020.
Claims priority of application No. 10-2017-0053880 (KR), filed on Apr. 26, 2017.
Prior Publication US 2024/0008661 A1, Jan. 11, 2024
Int. Cl. A47F 3/04 (2006.01); E05D 11/00 (2006.01); F25D 23/02 (2006.01); G02F 1/1333 (2006.01); G06F 3/041 (2006.01); G06F 3/16 (2006.01)
CPC A47F 3/0434 (2013.01) [E05D 11/0081 (2013.01); F25D 23/028 (2013.01); E05Y 2900/31 (2013.01); F25D 2323/021 (2013.01); F25D 2323/023 (2013.01); F25D 2323/024 (2013.01); F25D 2400/40 (2013.01); G02F 1/13338 (2013.01); G02F 2201/503 (2013.01); G02F 2203/01 (2013.01); G06F 3/041 (2013.01); G06F 3/167 (2013.01); G06F 2203/04103 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet having a storage space;
a controller configured to control an operation of the refrigerator;
a main door configured to open and close at least a portion of the storage space and having a door opening, the main door comprising:
a main hinge mount recessed from an upper surface of the main door, and
a main hinge hole disposed at the main hinge mount;
a sub-door configured to open and close the door opening, the sub-door comprising:
a sub-hinge mount recessed from a rear surface of the sub-door, and
a sub-hinge hole disposed at the sub-hinge mount;
a main hinge configured to support rotation of the main door, the main hinge comprising:
a main hinge plate disposed on an upper surface of the cabinet and extending to the main hinge mount, and
a main hinge shaft disposed at the main hinge hole;
a sub-hinge configured to support rotation of the sub-door, the sub-hinge comprising:
a sub-hinge plate disposed on the main hinge mount and extending to the sub-hinge mount, and
a sub-hinge shaft disposed at the sub-hinge hole;
a first wire that extends from an inside of the main door and passes through the main hinge shaft, and the first wire is connected to the controller by a first connector; and
a second wire that extends from an inside of the sub-door and passes through the sub-hinge shaft, and the second wire is connected to the controller by a second connector.