American School of Correspondence · Chicago, American school of correspondence · leaf 362
t of Fallers. 320 COTTON SPINNING 279 On the outside of the headstock are two levers, B^ and B^ calledthe front and back change motion levers and which are connectedby a rod, B^ called the change motion rod. On the forward end ofthe rod is the shipper dog, B^ which operates the cam clutch lever, B\… … Fig. 232. EndElevationof Cam Shaft. the cam clutch lever. This movement causes the two parts, D^ andD^ of the cam clutch to engage and the cam shaft shell is given a halfrevolution, causing all of the cams to assume opposite positions tothose which they occupied during the outward run. When the cam…
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