THREAD TENSION DEVICE OF WARPING FRAME Russian patent published in 2014 - IPC D01H13/00 

FIELD: textiles, paper.

SUBSTANCE: thread tension device of warping frame comprises shaped brake washers with curved edges, placed on a flat curly bracket, placed on the rod, which is mounted coaxially towards shock-absorbing washer. At that on the bracket concentrically to the washers a groove is made with a finger located in it. The finger is mounted with the ability of reciprocating movement along an arc. Above and below the bracket on the finger the flange bushings are placed with the ability of free rotation, at that a spiral cylindrical spring is tangentially located towards the lower flange bushing.

EFFECT: thread tension device enables to align the average value of tension of the scurrying thread, to reduce the surface roughness of the formed warping shaft and to reduce breakage of threads during warping.

1 cl, 2 dwg