(19)

(11)

EP 4 460 213 A1

(12)

(43) Date of publication: 13.11.2024 Bulletin 2024/46 (21) Application number: 23700452.8 (22) Date of filing: 05.01.2023

(51) International Patent Classification (IPC):  A47B 91/02(2006.01) F16F 9/02(2006.01) A47D 9/00(2006.01) (52) Cooperative Patent Classification (CPC): A47D 9/012; A47D 9/016; A47B 91/02 (86) International application number: PCT/EP2023/050189 (87) International publication number: WO 2023/131653 (13.07.2023 Gazette 2023/28)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 06.01.2022 CN 202210010219 (71) Applicant: Wonderland Switzerland AG 6312 Steinhausen (CH)	(72) Inventor: HU, Junjie Dongguan, Guangdong 523648 (CN) (74) Representative: Hoffmann Eitle  Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)