Bar holder arrangement for bar stock material to be fed to a machine tool

摘要

A bar holder arrangement for holding bar stock material to be fed to a machine tool, comprising a plurality of guide members each having a semi-circular recess therein, said guide members co-operating each with another of said guide members in pairs to define a plurality of circular receiving means for bar stock material and each of said guide members being pivotably mounted about a respective axis perpendicular to the longitudinal extent of the bar holder arrangement so as to be pivotable outwardly to permit passage between the co-operating pairs of guide members of a bar feed member having a diameter greater than the diameter defined by the circular receiving means of said pairs of guide members.