DRAWING MECHANISM OF DRAWING FRAME Russian patent published in 1995 - IPC

FIELD: textile industry. SUBSTANCE: drawing mechanism uses drawing blocks installed in succession with formation of fibrous lap drawing zones on drawing frame and rupture of its fibres. Each drawing block has one pressure roller with an elastic coating pressed to two drawing roller with an elastic coating pressed to two drawing cylinders; at least one drawing cylinder has ducts whose length is less than that of of the tension spindle, and depth prevents tightening of fibres over the duct bottom. At least in one of the drawing zones the width of the ducts is less than the length of the arc of contact of the drawing cylinder with the pressure roller, and the ducts are located in parallel with the axis or at an angle to it on the drawing cylinder of the back on the drawing cylinder of the front line of the clamp of the back drawing block. EFFECT: improved design. 3 dwg