(19)

(11)

EP 4 518 985 A1

(12)

(43) Date of publication: 12.03.2025 Bulletin 2025/11 (21) Application number: 23799331.6 (22) Date of filing: 02.05.2023

(51) International Patent Classification (IPC):  A63B 69/38(2006.01) A63B 47/00(2006.01) A63B 69/40(2006.01) A63B 24/00(2006.01) (52) Cooperative Patent Classification (CPC): A63B 69/385; A63B 69/40; A63B 2069/401; A63B 2225/50; A63B 2220/80; A63B 2220/836; A63B 2220/833; A63B 2220/805; A63B 2220/89; A63B 2220/56; A63B 2220/20; A63B 2225/09; A63B 2220/40 (86) International application number: PCT/FI2023/050236 (87) International publication number: WO 2023/214116 (09.11.2023 Gazette 2023/45)

(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: 02.05.2022 FI 20224035 U (71) Applicant: Könönen, Jorma 01600 Vantaa (FI)	(72) Inventor: Könönen, Jorma 01600 Vantaa (FI) (74) Representative: Lahti, Heikki  Patentia Oy Vakkatie 26c 00430 Helsinki 00430 Helsinki (FI)