(19)

(11)

EP 4 135 860 A2

(12)

(88) Date of publication A3: 17.02.2022 (43) Date of publication: 22.02.2023 Bulletin 2023/08 (21) Application number: 21797306.4 (22) Date of filing: 01.06.2021

(51) International Patent Classification (IPC):  A63B 21/075(2006.01) A63B 23/12(2006.01) (52) Cooperative Patent Classification (CPC): A63B 21/075; A63B 21/0724 (86) International application number: PCT/CA2021/050745 (87) International publication number: WO 2021/217278 (04.11.2021 Gazette 2021/44)

(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: 17.04.2020 CA 3078131 (71) Applicant: Ollivier, Joal Saskatoon, SK S7T 0A5 (CA)	(72) Inventor: Ollivier, Joal Saskatoon, SK S7T 0A5 (CA) (74) Representative: Kamphuis, Albertus Johannes  Patenthuis Slachthuisstraat 120 bus 3 2300 Turnhout 2300 Turnhout (BE)