Patent 7913596 was granted and assigned to Okuma Corporation on March, 2011 by the United States Patent and Trademark Office.
A turret tool rest is provided with a tool rest body, which is rotatable around the vertical axis, on a lower saddle. A turret is provided on a side surface of the tool rest body, and an anti-vibration mechanism is provided on a side surface that is adjacent to the side surface at a right angle. Indexing can be performed by selecting from the turret and the anti-vibration mechanism by rotation of the tool rest body.