(19)

(11)

EP 3 721 033 A1

(12)

(43) Date of publication: 14.10.2020 Bulletin 2020/42 (21) Application number: 17849832.5 (22) Date of filing: 06.12.2017

(51) International Patent Classification (IPC):  E05B 63/20(2006.01) E05B 59/00(2006.01) E05B 63/00(2006.01) E05B 47/02(2006.01) (86) International application number: PCT/IT2017/000276 (87) International publication number: WO 2019/111284 (13.06.2019 Gazette 2019/24)

(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: MA MD TN (71) Applicant: Cisa S.p.a. 48018 Faenza (IT)	(72) Inventors: FUSTINI, Fausto 48014 Castel Bolognese (IT) MENEGOLO, Luca 48018 Faenza (IT) (74) Representative: Modiano, Micaela Nadia  Modiano & Partners Via Meravigli, 16 20123 Milano 20123 Milano (IT)