(19)

(11)

EP 4 387 746 A1

(12)

(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22878687.7 (22) Date of filing: 25.07.2022

(51) International Patent Classification (IPC):  A63B 24/00(2006.01) A63B 21/00(2006.01) A63B 21/005(2006.01) A63B 71/06(2006.01) (52) Cooperative Patent Classification (CPC): A63B 21/0058; A63B 21/0724; A63B 21/153; A63B 21/4035; A63B 21/4043; A63B 21/0442; A63B 21/4034; A63B 2023/0411; A63B 2024/0093; A63B 2225/50; A63B 2220/13; A63B 2220/30; A63B 2220/40; A63B 2071/0627; A63B 71/0622; A63B 2071/0683; A63B 21/4033 (86) International application number: PCT/KR2022/010900 (87) International publication number: WO 2023/058864 (13.04.2023 Gazette 2023/15)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 07.10.2021 KR 20210133236 24.02.2022 KR 20220024479 (71) Applicant: LG Electronics Inc. Yeongdeungpo-guSeoul 07336 (KR)	(72) Inventor: LEE, Jaehoon Seoul 08592 (KR) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstrasse 3 81675 München 81675 München (DE)