公开(公告)号：US20230190072A1

公开(公告)日：2023-06-22

申请号：US18112540

申请日：2023-02-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jusik KIM ,  Johannes BUSING

IPC: A47L15/50

CPC classification number: A47L15/50

Abstract: A rack assembly comprising a frame; and a fixing rack coupleable to the top of the frame. The fixed rack comprises: a housing forming an outer contour of the fixing rack, the housing including a bottom surface that is at least partially open; a plurality of horizontal ribs, formed on the bottom surface of the housing, and spaced apart from each other; and a plurality of vertical ribs formed on the bottom surface of the housing perpendicular to the plurality of horizontal ribs, and spaced apart from each other, and the fixing rack has a region that is curved along a direction parallel to the plurality of vertical ribs.