Roller shutter with automatic locking in closing position

(19)

(11)

EP 1 028 224 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	25.09.2002 Bulletin 2002/39

(43)	Date of publication A2:
	16.08.2000 Bulletin 2000/33

(21)	Application number: 99202564.3

(22)	Date of filing: 04.08.1999

(51)	International Patent Classification (IPC)⁷: E06B 9/86, E06B 9/171

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

10.02.1999 IL 99128469

(71)	Applicant: Jolly Motor International S.p.A.
	38068 Rovereto (IT)

(72)	Inventor:
	Barak, Michael Haifa (IL)

(74)	Representative: Mittler, Enrico
	c/o Mittler & C. s.r.l., Viale Lombardia, 20 20131 Milano 20131 Milano (IT)

(54)	Roller shutter with automatic locking in closing position

(57) Roller shutter comprising a roller gate (1), a revolving axle (2) to which the roller gate (1) is connected by chain connection means (5) which allow the winding of the roller gate (1) about the revolving axle (4), and an electric motor (40) or other means to control the rotation of the revolving axle (4). The chain connection means (5) are formed by segments (9, 13) which are hingedly connected to rotate with respect to each other of a very little angle and braking means (41) for the revolving axle are provided which co-operate with the chain connection means (5) in order to prevent a lifting of the roller shutter (1) by forces acting from the bottom.

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