IMPROVED MOTOR-DRIVEN GRIPPER OPENING DEVICE

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(11)

EP 1 491 670 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	11.05.2005 Bulletin 2005/19

(43)	Date of publication A2:
	29.12.2004 Bulletin 2004/53

(21)	Application number: 04100265.0

(22)	Date of filing: 26.01.2004

(51)	International Patent Classification (IPC)⁷: D03D 47/20, D03D 47/23

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

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Priority:

26.06.2003 IT MI20030293

(71)	Applicant: Promatech S.p.A.
	24020 Colzate (Bergamo) (IT)

(72)	Inventors:
	Gallizioli, Angelo 24026 Leffe (Bergamo) (IT) Magoni, Dario 24020 Selvion (Bergamo) (IT) Volpi, Corrado 24048 Treviolo (Bergamo) (IT)

(74)	Representative: Faggioni, Carlo Maria, Dr. Ing. et al
	Fumero Studio Consulenza Brevetti Snc Pettenkoferstrasse 20-22 80336 Munich 80336 Munich (DE)

(54)	IMPROVED MOTOR-DRIVEN GRIPPER OPENING DEVICE

(57) The invention relates to a gripper-opening device for grippers of a weaving loom, comprising a shaped-profile slider (3), capable of engaging with an operating lever of a weaving gripper and movable at least in a direction parallel to the motion of the gripper by means of a driving motor (8), between said motor (8) and the slider (3) there being provided connection means (4, 5, 6, 7, 9) in the form of an exact straight-line guide mechanism (7) whose control pin (9) is pivoted to a base (4) rigidly linked to the slider (3).

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