UHING

MECHANICAL LINEAR DRIVES, ROLLING RING DRIVES FOR CONVERTING ROTARY MOTION INTO RECIPROCATING MOTION; MACHINE FEED SYSTEMS COMPRISING MACHINE FEEDS, CONTROLLERS AND STRUCTURAL PARTS THEREFOR, TRAVERSING UNITS FOR WINDING WIRE ON SPOOLS, ROLLING RING DRIVE UNITS, ROLLER DRIVE NUTS, CONTINUOUS RECIPROCATING FEEDS, POSITIONING DRIVES, HIGH SPEED TRAVERSE DRIVES, SPECIAL PURPOSE DRIVE NUTS [, YARN GUIDES FOR KNITTING MACHINES ]