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US 5,795,114 AGranted
Machine tool
AssigneeChiron-Werke GmbH & Co. KG
InventorsAnton Richard Schweizer, Peter Grund
Life of this patent
Estimating the term…
Abstract
The machine tool includes a spindle rotor, a tool receptacle and a clamp for clamping a tool in the tool receptacle. The clamp is moveable in the direction of the spindle axis by a spindle drive which is actuated by rotation of the spindle rotor. A spreading member is provided in the tool receptacle for positive gripping and clamping of the tool. The spindle drive preferably includes an externally threaded section on the spreading member and an internally threaded section on the tool receptacle, the latter being non-rotatably joined with the spindle rotor.
Claims12
A machine tool comprising:
- at least one spindle having a spindle axis,
- a spindle rotor mounted at said spindle for rotation about said spindle axis,
- a tool receptacle arranged at said spindle rotor for receiving a tool in non-rotatable relationship, and
- clamping means, said clamping means being movable in the direction of said spindle axis by rotation of said spindle rotor for clamping said tool in said tool receptacle;
- wherein the movement of said clamping means in the direction of said axis is produced via a spindle drive which is actuated by rotation of said spindle rotor;
- wherein a spreading member is provided in the tool receptacle for positive gripping and clamping of the tool, the spindle drive comprising an externally threaded section on the spreading member and an internally threaded section on the tool receptacle, the latter being nonrotatably joined with the spindle rotor.
3 more elements
Dependencies are inferred from the claim text.