(19)
(11) EP 1 669 530 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.09.2007 Bulletin 2007/38

(43) Date of publication A2:
14.06.2006 Bulletin 2006/24

(21) Application number: 05111556.6

(22) Date of filing: 01.12.2005
(51) International Patent Classification (IPC): 
E05C 1/06(2006.01)
 E05B 47/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 02.12.2004 IT ud20040224

(71) Applicant: International Steel Co. SpA
31039 Riese Pio X (TV) (IT)

(72) Inventor:
  • Zardini, Fabio
    31033 CASTELFRANCO VENETO (TV) (IT)

(74) Representative: Petraz, Gilberto Luigi et al
GLP S.r.l. Piazzale Cavedalis 6/2
33100 Udine
33100 Udine (IT)

   


(54) Locking device for doors of industrial machines


(57) Clamping device (10) for an opening door (13) of an industrial machine equipped with a frame (12). The device (10) comprises first attachment elements (20, 21) for a first clamping of the door (13) to the frame (12), and second mechanical closing elements (30) including a selectively mobile attachment element (31) associated with the frame (12) and able to be inserted in a mating seating (23) provided on the door (13). The attachment element (31) is associated with an actuator group (35) which moves it on a plane (P) between an inactive position and an active clamping position wherein an operative extremity (32) thereof cooperates with the seating (23). The actuator group (35) comprises a cam (39) selectively made to rotate around an axis (x) thereof by means of activation of a drive member (38). The cam (39) moves the attachment element (31) on the plane (P).







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