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公开(公告)号：US11248837B2
公开(公告)日：2022-02-15
申请号：US16557338
申请日：2019-08-30
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes a cabinet defining a storage chamber, a drawer door configured to be inserted into and withdrawn out of the storage chamber, a driving device provided at the door part, an elevation device provided at the drawer part and having a scissors lift assembly, and a connecting assembly that couples the driving device to the scissors lift assembly to transfer driving force from the driving device to the scissors lift assembly. The elevation device is configured, based on being uncoupled from the connecting assembly, to be separable from the drawer part, and the elevation device includes a restricting unit configured to restrict the scissors lift assembly from unfolding when the elevation device is separated from the drawer part. The drawer door includes a drawer part and a door part that is configured to, based on the drawer door being inserted into the storage chamber, close the storage chamber.
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公开(公告)号：US10945524B2
公开(公告)日：2021-03-16
申请号：US16557579
申请日：2019-08-30
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
IPC: A47B88/44 , F25D25/02 , A47B88/453 , A47B88/90 , A47B88/423 , A47B88/437
Abstract: A refrigerator includes a cabinet defining a storage chamber, a drawer door, a rail assembly that slidably couples the drawer door to the cabinet, a driving device disposed at the door part, and an elevation device disposed at the drawer part to vertically elevate at least a portion of the drawer part. The driving device includes a motor assembly, a pair of screw units, and a pair of levers, each of the pair of levers being coupled to and configured to be rotated by a corresponding one of the pair of screw units to elevate the elevation device. The drawer door includes a door part configured to open and close the storage chamber and a drawer part that is configured to be inserted into and withdrawn out of the storage chamber and defines a storage space.
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公开(公告)号：US10724788B2
公开(公告)日：2020-07-28
申请号：US16230455
申请日：2018-12-21
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes a cabinet that defines a lower storage space, a front panel door part configured to open and close the lower storage space, a drawer part connected to the front panel door part, a support member located at the drawer part, and an elevation assembly located at the front panel door part and configured to elevate the support member relative to the drawer part. The elevation assembly includes at least one elevation member that extends from the front panel door part to the drawer part and that passes through the drawer part, and a driving device that is located in the front panel door part, that is configured to provide power to the at least one elevation member, and that is configured to cause a vertical movement of the at least one elevation member relative to the drawer part.
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公开(公告)号：US12241677B2
公开(公告)日：2025-03-04
申请号：US18405810
申请日：2024-01-05
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes a cabinet that defines a lower storage space, a front panel door part, a drawer part connected to the front panel door part, a support member located at the drawer part and configured to seat one or more objects stored in the drawer part, at least one draw-out rail that is configured to connect the drawer part to an inner wall surface of the lower storage space, and that is configured to extend and retract in multiple stages to assist insertion and withdrawal of the drawer part based on movement of the front panel door part, and at least one elevation device that is located at each of both side surfaces of the drawer part, that is connected to each of both sides of the support member, and that is configured to elevate the support member relative to the drawer part.
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公开(公告)号：US11698220B2
公开(公告)日：2023-07-11
申请号：US17858490
申请日：2022-07-06
Applicant: LG ELECTRONICS INC.
Inventor： Kwanghyun Choi , Hyungkyu Park , Myeongha Yi
CPC classification number: F25D23/028 , A47F3/0434 , B29C44/588 , F25D23/02 , F25D23/025 , F25D23/065 , B29C44/188 , B29K2075/00 , B29L2031/7622 , F25D2201/10 , F25D2323/023 , F25D2400/361
Abstract: A door for a home appliance, a home appliance, and a method for manufacturing the same, are disclosed. The door for a home appliance comprises a panel assembly; and a frame assembly defining a predetermined space having an opening connected with an edge of the panel assembly, and making a foaming space for receiving a thermal insulator by means of the predetermined space of the frame assembly and the edge of the panel assembly, wherein a foaming injection hole through which the thermal insulator is injected is provided on at least one of ends of an upper surface, a lower surface, a left side and a right side of the frame assembly.
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Patent Agency Ranking
公开(公告)号：US11614275B2
公开(公告)日：2023-03-28
申请号：US17329750
申请日：2021-05-25
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes a cabinet that defines a lower storage space, a front panel door part, a drawer part connected to the front panel door part, a support member located at the drawer part and configured to seat one or more objects stored in the drawer part, at least one draw-out rail that is configured to connect the drawer part to an inner wall surface of the lower storage space, and that is configured to extend and retract in multiple stages to assist insertion and withdrawal of the drawer part based on movement of the front panel door part, and at least one elevation device that is located at each of both side surfaces of the drawer part, that is connected to each of both sides of the support member, and that is configured to elevate the support member relative to the drawer part.
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公开(公告)号：US11255601B2
公开(公告)日：2022-02-22
申请号：US17085705
申请日：2020-10-30
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes a cabinet defining a storage chamber, a door configured to open and close the storage chamber, a cooling device configured to cool the storage chamber, an elevation device configured to move a container in the storage chamber upward and downward, a locking device disposed at the elevation device and configured to, based on the elevation device being rotated about a front end of the elevation device in a folded state, lock the elevation device to the folded state and maintain the folded state, and a support plate that is disposed at the elevation device and includes a handle disposed at a rear portion of the support plate.
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公开(公告)号：US11243025B2
公开(公告)日：2022-02-08
申请号：US16230206
申请日：2018-12-21
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes: a cabinet; a drawer door assembly including a front panel door part and a drawer part that defines an accommodation space; a rail that movably configured to connect the drawer door assembly to the cabinet and enable the drawer door assembly to insert into and withdraw from the cabinet; a driving device located at the front panel door part and configured to provide power; and an elevation device located in the drawer part and configured to be coupled to the driving device and elevate a portion of the drawer part relative to the front panel door part. The driving device includes: a motor assembly configured to provide driving force; a screw assembly configured to perform an elevation operation based on the driving force; and a lever that connects the screw assembly to the elevation device and that is configured to rotate based on the elevation operation.
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公开(公告)号：US11047619B2
公开(公告)日：2021-06-29
申请号：US17027270
申请日：2020-09-21
Applicant: LG Electronics Inc.
Inventor： Kwanghyun Choi
Abstract: A refrigerator includes a cabinet that defines a lower storage space, a front panel door part, a drawer part connected to the front panel door part, a support member located at the drawer part and configured to seat one or more objects stored in the drawer part, at least one draw-out rail that is configured to connect the drawer part to an inner wall surface of the lower storage space, and that is configured to extend and retract in multiple stages to assist insertion and withdrawal of the drawer part based on movement of the front panel door part, and at least one elevation device that is located at each of both side surfaces of the drawer part, that is connected to each of both sides of the support member, and that is configured to elevate the support member relative to the drawer part.
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公开(公告)号：US10598427B2
公开(公告)日：2020-03-24
申请号：US16146522
申请日：2018-09-28
Applicant: LG ELECTRONICS INC.
Inventor： Kwanghyun Choi
IPC: F25D27/00 , F25D23/02 , F21V3/00 , F21V19/00 , F21V23/04 , F25D11/02 , F25D29/00 , G03B29/00 , H05B37/02 , F21Y115/10 , F21W131/305
Abstract: A refrigerator includes a cabinet forming a storage space, a main door that opens and closes the storage space while defining an opening part that is in communication with the storage space, a sub-door mounted to the main door and configured to open and close the opening part, the sub-door including a panel assembly for allowing selective viewing of an inside of the opening part, a detection device for detecting an operation of a user, a lighting unit inside the refrigerator that turns on based on user operation to allow selective viewing of the inner side of the opening part, and a display unit inside the refrigerator at a position corresponding to the panel assembly that becomes visible and displays an operation state of the refrigerator when the lighting unit turns on.
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