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EP 4 415 833 A1

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(43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 23831741.6 (22) Date of filing: 24.05.2023

(51) International Patent Classification (IPC):  A63B 21/005(2006.01) A63B 24/00(2006.01) A63B 21/00(2006.01) A63B 71/06(2006.01) (52) Cooperative Patent Classification (CPC): A63B 21/0724; A63B 21/0783; A63B 21/153; A63B 21/4033; A63B 21/4034; A63B 2023/0411; A63B 2024/0068; A63B 2024/0093; A63B 2071/0072; A63B 2220/64; A63B 2220/803; A63B 2220/13; A63B 2220/805; A63B 2225/50; A63B 21/0059; A63B 24/0087; A63B 2071/0081 (86) International application number: PCT/KR2023/007086 (87) International publication number: WO 2024/005377 (04.01.2024 Gazette 2024/01)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 27.06.2022 KR 20220078389 14.10.2022 KR 20220132391 (71) Applicant: LG Electronics Inc. Yeongdeungpo-gu Seoul 07336 (KR)	(72) Inventors: LEE, Jaehoon Seoul 08592 (KR) HUH, Junyoung Seoul 08592 (KR) LEE, Taehee Seoul 08592 (KR) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstrasse 3 81675 München 81675 München (DE)