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EP 4 281 197 A1

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(43) Date of publication: 29.11.2023 Bulletin 2023/48 (21) Application number: 22743348.9 (22) Date of filing: 24.01.2022

(51) International Patent Classification (IPC):  A63B 53/02(2015.01) A63B 53/04(2015.01) A63B 53/14(2015.01) A63B 53/00(2015.01) A63B 53/06(2015.01) A63B 60/22(2015.01) (52) Cooperative Patent Classification (CPC): A63B 60/16; A63B 53/02; A63B 60/08; A63B 60/14; A63B 60/12; A63B 60/24; A63B 53/10; A63B 2209/023; A63B 60/52 (86) International application number: PCT/US2022/013576 (87) International publication number: WO 2022/159846 (28.07.2022 Gazette 2022/30)

(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: 22.01.2021 US 202163140747 P 01.07.2021 US 202163217683 P (71) Applicant: Karsten Manufacturing Corporation Phoenix, AZ 85029 (US)	(72) Inventors: BRYANT, Les, J. Phoenix, Arizona 85029 (US) WILLIAMS, Josh, F. Phoenix, Arizona 85029 (US) VALD'VIA, Guillermo, G. Phoenix, Arizona 85029 (US) WHITE, Lance, R. Phoenix, Arizona 85029 (US) MORTERA, Oscar Phoenix, Arizona 85029 (US) (74) Representative: Tombling, Adrian George  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)