YARN BRAKE FOR LOOMS

摘要

Yarn brake (B) comprising: a fixed frame (1); fixed and spaced-apart yarn guide elements (2, 3, 22) defining together a straight yarn path (C) through the yarn brake (B); a rotation drive (D); at least one braking element (E) projecting from the rotation drive (D) beyond said straight yarn path (C), said braking element (E) being controlled by said rotation drive (D) to perform an angular stroke (10) about a rotation axis (X), spaced from and essentially parallel to said straight yarn path (C), between a starting position on one side of said path (C) and at least one braking position (E1) on the other side of said path (C); and an adjustment device (A) to vary the degree (F) of deviation of the yarn (Y) in the braking position (E1) of the braking element (E). In said yarn brake (B), the distance (L) between the rotation axis (X) of the braking element (E) and the straight yarn path (C) is variable through said adjustment device (A).