The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
Aug. 30, 2019
Lg Electronics Inc., Seoul, KR;
Cheolsoon Park, Seoul, KR;
LG Electronics Inc., Seoul, KR;
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 The drawer door includes a drawer part configured to be inserted into and withdrawn out of the storage chamber and a door part coupled to the drawer part and configured to open and close the storage chamber.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.