Driver system for reducing the speed of or dragging metal strips

摘要

A device for drawing or braking metal bands or metal sheets and including two oppositely arranged endless revolving chain systems with a gap therebetween through which a metal band or a metal sheet is displaced and including carriage-like roller blocks for effecting one of clamping and driving the one of a metal band and a metal sheet, an elastic lining for covering the roller blocks; and elements for generating magnetic fields for controlling driving and/or restraining forces applied to the metal band or the metal sheet.