Modular device for piezoelectric selection of control elements, such as the needles of a knitting machine or similar

(19)

(11)

EP 0 964 092 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	06.09.2000 Bulletin 2000/36

(43)	Date of publication A2:
	15.12.1999 Bulletin 1999/50

(21)	Application number: 99110768.1

(22)	Date of filing: 04.06.1999

(51)	International Patent Classification (IPC)⁷: D04B 15/78

(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:

04.06.1998 IT TO980484

(71)	Applicant: MATRIX S.p.A.
	I-10015 Ivrea (IT)

(72)	Inventor:
	Gaiardo, Mario 10015 Ivrea (IT)

(74)	Representative: Cerbaro, Elena, Dr. et al
	STUDIO TORTA S.r.l., Via Viotti, 9 10121 Torino 10121 Torino (IT)

(54)	Modular device for piezoelectric selection of control elements, such as the needles of a knitting machine or similar

(57) The device has a number of selection levers (6) rotating about a corresponding number of parallel pivots (7), and a number of piezoelectric actuators (18) connected to the levers (6) and fitted to corresponding bases (23). The levers (6) and actuators (18) are housed in a casing (31) defined by a frame (13) for supporting the levers (6) and by two walls (26, 28) for supporting the actuators (18). The device is provided with adjusting means (64) for adjusting the relative position between the actuators (18) and the selection levers (6); and each actuator (18) carries a group of three rigid pins (38, 40, 41) which fit inside corresponding bushes (48) located on a printed-circuit board (47) and connected electrically to a number of other pins (46) of a multiple connector (35) in turn connected to the casing (31).

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