Cleaning device for cavities preferably in chill moulds for steel ingots

A cleaning device for cavities, preferably in chill molds for steel ingots, comprising an elongated support body, a plurality of lever means each having an upper end and a lower end, means on said body for pivotally mounting said lever means intermediate said ends about an axis perpendicular to the axis of said body, an elongated cleaning means pivotally mounted on the lower end of each of said lever means for pivotal movement about an axis parallel to the axis of said mounting means, each of said cleaning means having a cleaning surface facing away from said body, the said mounting means permitting the lower ends of said lever means and said cleaning means mounted thereon to expand outwardly, first spring means connected to said lever means to normally pivot said lower ends of said lever means outwardly from said body, second spring means connected between said cleaning means and said lever means to pivot said cleaning means so that the lower ends of said cleaning means extend inwardly toward said body forming an oblique angle with the axis of said body when said cleaning means are out of contact with the interior surface of a mold.