American School of Correspondence · Chicago, American school of correspondence · leaf 207
at the cam i-oll andthe index finger points midway betweeu 6 and 7 on the dial. As 181 142 COTTON SPINNING. the cam continues to turn, the nipper cam lever, J3, is depressedowing to the shape of the groove in which the cam roll, T^, runs.This depression causes the nipper shaft, J, to turn slightly… … Fig. 120. Diagram of TsTipper Cam. knife into contact with the cushion plate, gripping the cottonfirmly. This takes place when the dial is at 91 -and the parts arein the position showu in Fig. 118. The back edge of the fluted segment has passed by the frontof the cushion plate and this brings that…
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