Patent ID: 6832880
Filing Date: 2004-12-21
Classification: B23Q,Y10T

Abstract:
An operating head for automatic machine tools comprising:a first support adapted for rotation about a first axis and mounted on a structure movable in a set of three Cartesian axes; a second support rotatably mounted to the first support for rotation about a second axis orthogonal to the first axis; an interchangeable chuck unit, mounted to project from the second support; a power transmission system having a coupling connected to a drive connected to a chuck of said chuck unit; first means for controlling rotation of the second support about the second axis; and locking means for selectively locking the second support against rotation about the second axis; wherein said second support has a coupling means for detachably connecting to the chuck unit; said chuck unit being connectable to said power transmission system via a detachable coupling comprising parts brought into contact with each other and clamped with a straight approach movement.