American School of Correspondence · Chicago, American school of correspondence · leaf 243
in the eccentric arm, rests in the bottom of a slotin the rocker arm and is held in place by a spring K^ When any of the stop motions operate, the movements of therocker sliaft are arrested, and as the eccentric arm is positive in itsmovements, the stopping of the rocker shaft causes the pin in… … Fig. 147. Mechanical Back Stop Motion. spring rod, F*, releasing the spring, C*, and moving the belt on tothe loose pulley. Mechanical Back Stop Motion. A drawing frame with a me-chanical back stop motion is shown in section in Fig. 147. Theslivers are drawn from the cans between two rolls, L and…
Textile industry and fabrics
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