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(11)

EP 4 347 060 A1

(12)

(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22812229.7 (22) Date of filing: 27.05.2022

(51) International Patent Classification (IPC):  A63B 53/04(2015.01) A63B 53/02(2015.01) A63B 53/00(2015.01) (52) Cooperative Patent Classification (CPC): A63B 53/0433; A63B 53/045; A63B 53/0466; A63B 53/0408; A63B 2053/0491; A63B 53/0437; A63B 60/50; A63B 60/48 (86) International application number: PCT/US2022/031285 (87) International publication number: WO 2022/251592 (01.12.2022 Gazette 2022/48)

(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: 27.05.2021 US 202163202123 P (71) Applicant: Karsten Manufacturing Corporation Phoenix, AZ 85029 (US)	(72) Inventors: MATTHEWS, Joshua, B. Phoenix, Arizona 85029 (US) MORALES, Eric, J. Phoenix, Arizona 85029 (US) HENRIKSON, Erik, M. Phoenix, Arizona 85029 (US) MILLEMAN, Travis D. Phoenix, Arizona 85029 (US) (74) Representative: Tombling, Adrian George  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)