Patent ID: 7607324

Claim:
A jacquard device ( 1 ) for selectively shifting thread-guides ( 2 ) in a knitting machine, comprising: at least one supporting element ( 3 ) provided with a plurality of housing seats ( 4 ) for a plurality of thread-guides ( 2 ), said supporting element ( 3 ) being a thread-guide bar of jacquard type for a warp linear knitting machine and being moving with respect to at least one bed ( 5 ) of needles ( 6 ) for selectively feeding the needles ( 6 ) of said bed ( 5 ) with a thread ( 7 ), a plurality of thread-guides ( 2 ) having each at least one mounting seat ( 2 a ) where they are fixedly mounted onto said supporting element ( 3 ), and at least one thread-guide portion ( 2 b ) selectively moving at least between a first and a second operating position and apt to guide said thread ( 7 ); at least one actuating element ( 12 ) operatively acting upon at least one of said thread-guides ( 2 ) for shifting said thread-guide portion ( 2 b ) of said thread-guide ( 2 ) between said first operating position and at least said second operating position; characterized in that it further comprises: at least one electropneumatic actuating device ( 15 ) operatively connected to said actuating element ( 12 ) for shifting said actuating element ( 12 ) and thus said thread-guide portion ( 2 b ) of said thread-guide ( 2 ) between said first and said second operating position.