Top roller carrying and loading arm
A technology of bearing parts and rollers, applied in textiles and papermaking, drafting equipment, spinning machines, etc., can solve the problem of high cost
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[0020] figure 1 A partial sectional view of a top roller carrier and a pressure arm 1 of a spinning machine drafting device with adjustable pressure elements for the top rollers 7, 8, 9 is shown. The top roller carrier and the pressing arm 1 are pivotally mounted in a support 3 held on a fixed carrier bar 2 and can be actuated by a not shown operating lever. The pressing elements comprise guides 4, 5, 6 of top rollers arranged as a delivery roller 7, an intermediate roller 8 and a feed roller 9, respectively. The top rollers of the drafting device are designed as double rollers and are mounted with their shafts in the receptacles of the guides 4 , 5 , 6 . The guides 4 , 5 , 6 are pressed by resilient elastic compression springs 11 , 12 , 13 in the closed position of the top roller carrier and the pressing arm 1 .
[0021] Compression springs 11, 12, 13 are made of plastic and are substantially cylindrical. The compression springs 11 , 12 , 13 , which are formed as plastic m...
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