American School of Correspondence · Chicago, American school of correspondence · leaf 280
ifting shaft, A^, at apoint directly under the end of the stop-motion latch, 7J, which pro-jects through the rectangular slot in the support, H^ As the lifting shaft revolves, the cam is brought into contact withthe lifter, forcing it upward against the underside of the stop-motionlatch and lifting… … Full Bobbin Stop Motion. against a collar, P**, which is fastened to the rod and which may be setto increase or decrease the tension upon the spring. The free end ofthe spring rod passes through a hole in the support, and the otherend is connected to the stop-motion latch. When the notch in the…
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