US 12,116,721 B2
Clothes folding machine
Aekyung Chae, Seoul (KR); Keunjoo Kim, Seoul (KR); Chanwoo Moon, Seoul (KR); and Choongho Lim, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Appl. No. 17/624,080
Filed by LG Electronics Inc., Seoul (KR)
PCT Filed Jun. 4, 2020, PCT No. PCT/KR2020/007246
§ 371(c)(1), (2) Date Dec. 30, 2021,
PCT Pub. No. WO2021/002600, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 10-2019-0080909 (KR), filed on Jul. 4, 2019.
Prior Publication US 2022/0356640 A1, Nov. 10, 2022
Int. Cl. D06F 89/02 (2006.01)
CPC D06F 89/023 (2013.01) 14 Claims
OG exemplary drawing
 
1. A clothes folding machine comprising:
a case;
a loading unit having a plurality of grippers, disposed at an upper portion of the case, and conveying a clothes item gripped by the grippers into the case;
a folding unit including a longitudinal-line folder that folds both sleeves of the clothes item conveyed by the loading unit along longitudinal lines and a transverse-line folder that folds the clothes item along transverse lines several times; and
an unloading unit disposed at a lower portion of the case and conveying the clothes item folded by the folding unit out of the case,
wherein the longitudinal-line folder is disposed at the same single stage as the loading unit, and
the longitudinal-line folder includes:
a main board supporting a body part of the clothes item conveyed by the loading unit such that the body part can slide, and forming a longitudinal line at each of transverse left and right sides of the clothes item by allowing the sleeves to hang down by gravity from both side edges; and
a plurality of sub-boards spaced downward apart from each other with different height differences with respect to the main board and simultaneously folding the sleeves along the longitudinal lines, respectively, simultaneously with conveying by the loading unit,
wherein the sub-boards are disposed to overlap each other in an up-down direction, and
wherein the sub-boards include folding guides that guide folding of the sleeves, respectively.