US 11,751,750 B2
Rack assembly and dishwasher having same
Dae Joung Kim, Suwon-si (KR); Jae Jun Kim, Suwon-si (KR); and Gi Sung Han, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Appl. No. 17/293,552
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
PCT Filed Oct. 23, 2019, PCT No. PCT/KR2019/013995
§ 371(c)(1), (2) Date May 13, 2021,
PCT Pub. No. WO2020/101202, PCT Pub. Date May 22, 2020.
Claims priority of application No. 10-2018-0139131 (KR), filed on Nov. 13, 2018.
Prior Publication US 2022/0000332 A1, Jan. 6, 2022
Int. Cl. A47L 15/50 (2006.01)
CPC A47L 15/507 (2013.01) 13 Claims
OG exemplary drawing
 
1. A dishwasher comprising:
a washing tub; and
a rack assembly provided inside the washing tub,
wherein the rack assembly comprises:
a frame;
a tray on which dishes are accommodated and which is movably supported on the frame; and
a link unit connecting the frame to the tray and moving the tray to one of a first location and a second location that is lower than the first location, the link unit being rotatably coupled with the frame and the tray,
wherein the link unit comprises a moving bracket movable along the frame, and a link member connecting the moving bracket to the tray and rotatably coupled with the moving bracket and the tray, and
wherein the moving bracket comprises a frame supporting groove having a shape corresponding to the upper portion of the frame, and a roller supporting a lower portion of the frame.