Patent ID: 7073540

Claim:
A needle loom with automatic change of the weft thread, comprising: a supporting structure ( 2 ); at least one forming head ( 3 ) of a textile product (P) installed on the supporting structure ( 2 ); said head ( 3 ) having a bearing plate ( 4 ) for formation of the textile product (P), at least two heddle frames ( 6 ) to intercept a plurality of warp threads (O) fed to the bearing plate ( 4 ), at least one sickle ( 9 ) to bring at least two weft threads (T) transversely between the warp threads (O), at least two movable guides ( 11 ), each adapted to guide one of said at least two weft threads (T) fed to the sickle ( 9 ), actuator means ( 13 ) to move said at least two movable guides ( 11 ) and change the weft threads (T) carried by the sickle ( 9 ), at least one needle ( 18 ) to temporarily retain at least one of said at least two weft threads (T) carried by the sickle ( 9 ), and a reed ( 20 ) movable between a disengagement position and a compacting position, to compact the weft threads (T) against the already formed textile product (P); characterized in that the actuator means ( 13 ) to move said at least two movable guides ( 11 ) comprises at least two electric motors ( 21 ) connected each with a respective movable guide ( 11 ), to move each guide ( 11 ) in a manner independent of the others.