Patent ID: 7926308

Claim:
A piezoelectric actuator ( 3 ) for jacquard thread-guide bars of warp knitting machines, comprising: a mounting body ( 6 ) singularly dedicated to said piezoelectric actuator ( 3 ) and onto which a single piezoelectric body ( 8 ) is mounted; a plurality of interface electric contacts ( 9 ) operatively connected to said piezoelectric body ( 8 ); and a connecting portion ( 10 ) apt to interface with a thread-guide portion, said mounting body ( 6 ) being configured and predisposed for being able to be removably engaged into a housing seat ( 5 ) of a supporting body ( 7 ) of a jacquard bar and to carry out an individual and removable mounting of said actuator onto said supporting body ( 7 ), wherein said mounting body ( 6 ) is configured and predisposed for being able to be slidingly engaged in a guided manner into said housing seat ( 5 ) of the supporting body ( 7 ), between a mounting position and a disengagement position.