Tool changing device for a lathe

Tool changing apparatus for use on a lathe of the type having a base structure, longitudinal guide means and means for holding a workpiece for rotation about an axis, the apparatus including the combination comprising

• a plurality of tool holders each one adapted to hold a tool;
• a tool magazine for replaceably supporting said plurality of tool holders in an unclamped condition;
• a cross slide member slidably mounted on the longitudinal guide means of said lathe;
• means for mounting said tool magazine on said cross slide, said magazine being movable to cause each tool and tool holder to follow a curvilinear path so that any one of said tools can selectively be moved to a working position adjacent the workpiece lying adjacent said path;
• and
• means on said cross slide for establishing a rigid and direct connection between any selected one of said tool holders and said cross slide when said selected tool holder is moved through said path to said working position while said tool holder remains on said magazine.