(19)

(11)

EP 3 762 568 A1

(12)

(43) Date of publication: 13.01.2021 Bulletin 2021/02 (21) Application number: 19715563.3 (22) Date of filing: 06.03.2019

(51) International Patent Classification (IPC):  E05B 17/20(2006.01) E05B 55/00(2006.01) E05B 63/04(2006.01) E05B 63/18(2006.01) E05C 19/16(2006.01) E05B 47/00(2006.01) E05B 59/00(2006.01) E05B 63/16(2006.01) E05B 65/10(2006.01) E05B 15/00(2006.01) (86) International application number: PCT/IB2019/051806 (87) International publication number: WO 2019/171290 (12.09.2019 Gazette 2019/37)

(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: 07.03.2018 IT 201800003346 (71) Applicant: Bonaiti Serrature S.p.a. 23801 Calolziocorte (IT)	(72) Inventor: BOLOGNESI, Luigi 23801 Calolziocorte, Lecco (IT) (74) Representative: Candito, Rocco et al Luppi Intellectual Property Srl Via De Amicis, 25 20123 Milano 20123 Milano (IT)