(19)

(11)

EP 3 969 133 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20742373.2 (22) Date of filing: 07.07.2020

(51) International Patent Classification (IPC):  A63B 57/40(2015.01) A63B 57/30(2015.01) (52) Cooperative Patent Classification (CPC): A63B 57/40; A63B 2210/50; A63B 57/357 (86) International application number: PCT/GB2020/051627 (87) International publication number: WO 2021/005355 (14.01.2021 Gazette 2021/02)

(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: 08.07.2019 GB 201909770 (71) Applicant: Gray, Martin J. Ladybank Fife KY15 7LJ (GB)	(72) Inventor: Gray, Martin J. Ladybank Fife KY15 7LJ (GB) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)