FIELD: textiles, paper.
SUBSTANCE: weight and holding lever of pressure rollers of drafting element of spinning machine has a downwardly open U-shaped housing in which at least one slider is located, comprising a loading element, and a holder for fixing the upper roller and an adjusting device by means of which the slider can be moved longitudinally relative to the housing and positioned on the upper side of the housing. For locking the slider in the housing of U-shaped section with the blocking of rotation around the vertical axis the bearing surface of the slider has a configuration which engages the corresponding configuration of the inner surface of the upper side of the housing, forming a form closure.
EFFECT: design provides twist-resisting locking of the slider relative to the vertical axis.
15 cl, 19 dwg
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