(19)

(11)

EP 2 709 944 A1

(12)

(43) Date of publication: 26.03.2014 Bulletin 2014/13 (21) Application number: 12731655.2 (22) Date of filing: 17.05.2012

(51) International Patent Classification (IPC):  B66C 23/70(2006.01) (86) International application number: PCT/IB2012/000963 (87) International publication number: WO 2012/156807 (22.11.2012 Gazette 2012/47)

(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 (30) Priority: 17.05.2011 IT MI20110862 (71) Applicant: Cifa S.P.A. 20030 Senago, Milano (IT)	(72) Inventors: CORTELLINI, Mauro, Marco I-20089 Rozzabi (IT) FERRI, Stefano I-20123 Milano (IT) MAINI, Paolo, Dario I-20052 Monza (IT) (74) Representative: Petraz, Davide Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine 33100 Udine (IT)