Scaling Tool
Author: Thomas M. Kelley, Walter I. Anderson
Source: US Patent 3,343,246
Doc ID: 1965027
Year of Publication: 1965
Abstract:
A scaling tool driven by a rotating electric motor having a cam drive arrangement which converts rotary to reciprocating motion driving a needle scaling head together with a bundle of needles therein which are therefore impelled into contact with a surface to be scaled and cleaned.