Patent ID: 8376670
Filing Date: 2013-02-19
Classification: B23B,Y10T

Abstract:
1. A spindle head device for a machine tool comprising: a spindle; and a tool retaining mechanism detachably retaining a tool holder on said spindle; said tool retaining mechanism comprising: wherein said spindle is provided with a spindle-through-hole penetrating in an axial direction; wherein said tool support member is provided with a member-through-hole penetrating in an axial direction and communicating with said receiving recess, and is dimensioned so as to be contained in said spindle-through-hole of said spindle over an entire axial length of said spindle-through-hole; and wherein said tool clamp member comprises a movable clamping element contained in said member-through-hole of said tool support member to be displaceable in a radial direction, and an actuating element contained in said member-through-hole of said tool support member to be displaceable in an axial direction, said actuating element displacing said movable clamping element in the radial direction by an axial displacement of said actuating element.