US 12,241,677 B2
Refrigerator
Kwanghyun Choi, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Jan. 5, 2024, as Appl. No. 18/405,810.
Application 18/405,810 is a continuation of application No. 18/112,331, filed on Feb. 21, 2023, granted, now 11,898,794.
Application 18/112,331 is a continuation of application No. 17/329,750, filed on May 25, 2021, granted, now 11,614,275, issued on Mar. 28, 2023.
Application 17/329,750 is a continuation of application No. 17/027,270, filed on Sep. 21, 2020, granted, now 11,047,619, issued on Jun. 29, 2021.
Application 17/027,270 is a continuation of application No. 16/406,118, filed on May 8, 2019, granted, now 10,876,788, issued on Dec. 29, 2020.
Claims priority of application No. 10-2018-0052722 (KR), filed on May 8, 2018.
Prior Publication US 2024/0142166 A1, May 2, 2024
Int. Cl. F25D 25/02 (2006.01); F25D 11/02 (2006.01); F25D 23/02 (2006.01); F25D 23/04 (2006.01)
CPC F25D 25/025 (2013.01) [F25D 23/028 (2013.01); F25D 23/04 (2013.01); F25D 11/02 (2013.01); F25D 2323/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A refrigerator, comprising:
a cabinet that defines a storage space; and
a drawer door configured to open and close at least a portion of the storage space, the drawer door comprising:
a front panel door part configured to open and close at least the portion of the storage space,
a container configured to support a food storage,
a drawer part coupled to the front panel door part and the cabinet,
a pair of door frames that couple the drawer part to the front panel door part,
a pair of draw-out rails that couple the drawer part to the cabinet,
a draw-out motor configured to supply power to move the container in a horizontal direction,
a driving device configured to supply power to move the container in a vertical direction,
a draw-out detection device configured to detect a horizontal position of the container,
a height detection device configured to detect a vertical position of the container, and
a manipulation device configured to cause the draw-out motor and the driving device to move the container in the horizontal direction and the vertical direction, individually and consecutively.