(19)

(11)

EP 4 326 408 A1

(12)

(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22795060.7 (22) Date of filing: 22.04.2022

(51) International Patent Classification (IPC):  A63B 69/34(2006.01) A63B 69/00(2006.01) (52) Cooperative Patent Classification (CPC): A63B 69/215; A63B 2209/00 (86) International application number: PCT/CZ2022/050043 (87) International publication number: WO 2022/228591 (03.11.2022 Gazette 2022/44)

(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: 25.04.2021 CZ 20210208 (71) Applicant: Serák, Michal 10200 Praha 10 - Hostivar (CZ)	(72) Inventor: Serák, Michal 10200 Praha 10 - Hostivar (CZ) (74) Representative: Lichtnecker, Markus Christoph  Lichtnecker & Lichtnecker Patent- und Rechtsanwaltspartnerschaft mbB Im Schloßpark Gern 2 84307 Eggenfelden 84307 Eggenfelden (DE)