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(11)

EP 4 334 231 A1

(12)

(43) Date of publication: 13.03.2024 Bulletin 2024/11 (21) Application number: 22798689.0 (22) Date of filing: 05.05.2022

(51) International Patent Classification (IPC):  B66B 11/00(2006.01) E04B 1/38(2006.01) B66B 7/00(2006.01) E04B 1/18(2006.01) (52) Cooperative Patent Classification (CPC): B66B 11/0005; E04F 17/005 (86) International application number: PCT/CZ2022/050049 (87) International publication number: WO 2022/233350 (10.11.2022 Gazette 2022/45)

(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: 07.05.2021 CZ 20212290 (71) Applicant: Skovajsa, Jiri 17000 Praha 7 - Holesovice (CZ)	(72) Inventor: Skovajsa, Jiri 17000 Praha 7 - Holesovice (CZ) (74) Representative: Lichtnecker, Markus Christoph  Lichtnecker & Lichtnecker Patent- und Rechtsanwaltspartnerschaft mbB Im Schloßpark Gern 2 84307 Eggenfelden 84307 Eggenfelden (DE)