Invention Grant
- Patent Title: Refrigerator
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Application No.: US16556955Application Date: 2019-08-30
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Publication No.: US11333431B2Publication Date: 2022-05-17
- Inventor: Cheolsoon Park
- Applicant: LG Electronics Inc.
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Fish & Richardson P.C.
- Priority: KR10-2018-0103811 20180831
- Main IPC: F25D29/00
- IPC: F25D29/00 ; F25D11/02 ; F25D23/02 ; F25D25/02

Abstract:
A refrigerator includes a cabinet defining a storage chamber, a drawer door, a rail that slidably couples the drawer door to the cabinet, a driving device provided in the door part, an elevation device provided in the drawer part to vertically ascend or descend at least a portion of the drawer part, and an elevation detection device. The drawer door includes a drawer part configured to be inserted into and withdrawn out of the storage chamber and a door part coupled to the drawer part and configured to open and close the storage chamber. The driving device includes a motor assembly, a screw assembly having a screw and a screw holder, and a lever that couples the screw holder to the elevation device and is configured to be rotated based on the movement of the screw holder along the screw.
Public/Granted literature
- US20200072539A1 REFRIGERATOR Public/Granted day:2020-03-05
Information query
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