(19)

(11)

EP 4 247 223 A2

(12)

(88) Date of publication A3: 21.07.2022 (43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 21820464.2 (22) Date of filing: 16.11.2021

(51) International Patent Classification (IPC):  A47D 9/00(2006.01) (52) Cooperative Patent Classification (CPC): A47D 9/005 (86) International application number: PCT/EP2021/081846 (87) International publication number: WO 2022/106415 (27.05.2022 Gazette 2022/21)

(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: 20.11.2020 CN 202011317942 20.11.2020 CN 202022718461 U (71) Applicant: Wonderland Switzerland AG 6312 Steinhausen (CH)	(72) Inventor: ZHONG, Zhiren 6312 Steinhausen (CH) (74) Representative: ERNICKE Patent- und Rechtsanwälte PartmbB  Beim Glaspalast 1 86153 Augsburg 86153 Augsburg (DE)