(under subclass 31) Device including a turnable tool-carrying structure for a first and a second tool (or tool group) wherein the carrying structure about an axis to selectively present one or the other tool to operate on the workpiece.
(1) Note. The first tool (or group of tools) of this subclass is not operational simultaneously with the second tool.
(2) Note. Included herein are tools supported by a flexible belt or chain.
SEE OR SEARCH CLASS
483, Tool Changing,
18, and 30+ for a rotary spindle machine tool combined with a tool transfer means for bodily transferring a tool to or from the spindle.