(19)

(11)

EP 4 551 497 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23748316.9 (22) Date of filing: 06.07.2023

(51) International Patent Classification (IPC):  B66D 3/18(2006.01) B66D 3/00(2006.01) B66D 1/00(2006.01) (52) Cooperative Patent Classification (CPC): B66D 3/18; B66D 3/00 (86) International application number: PCT/IB2023/056992 (87) International publication number: WO 2024/009253 (11.01.2024 Gazette 2024/02)

(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: 07.07.2022 IT 202200014392 11.05.2023 IT 202300009492 (71) Applicant: Bartoccetti Giuliano S.r.l. 06084 Bettona (PG) (IT)	(72) Inventor: BARTOCCETTI, Giuliano 06084 Bettona (PG) (IT) (74) Representative: Ercolani, Simone Pietro  Marietti, Gislon e Trupiano S.r.l. Via XX settembre, 80 06121 Perugia (PG) 06121 Perugia (PG) (IT)