FIELD: mechanical engineering; welding. SUBSTANCE: feeder has feed roller 14 and two pressure rollers 9 and 10 installed diametrically opposite to each other on spring-loaded member 6. Feed roller 14 is placed between two levers 4 and 5 of spring-loaded member 6 with fitted-on pressure rollers. Each lever 4 and 5 is installed by one end for turning around its axis. Free ends of levers are interconnected by spring. EFFECT: enlarged operating capabilities. 2 dwg
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