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US 2010/0303571 A1Published application
Motor-Driven Working Spindle for a Machine Tool
AssigneeHuller Hille GmbH
InventorGunther Spath
Life of this patent
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Abstract
A motor-driven working spindle for a machine tool has a casing in which a shaft is mounted for rotation. The shaft has a receptacle for a tool arranged at its front end. A spindle rotary drive is provided in the casing. Furthermore, a spindle advancing drive coupled with the shaft is provided in the casing.
Claims12
1-11. (canceled)
A motor-driven working spindle for a machine tool comprising:
- a casing with a central longitudinal axis;
- a shaft mounted for rotation in the casing;
- a receptacle arranged on a front end of the shaft;
- an electromotive spindle rotary drive coupled to the shaft and arranged in the casing, the spindle rotary drive comprising;
- a rotary drive stator and a rotary drive rotor,
- wherein the rotary drive stator surrounds the shaft and is mounted in the casing;
- and wherein the rotary drive rotor is fastened to the shaft;
- and,
- a spindle advancing drive coupled to the shaft and positioned in the casing;
- wherein the shaft is mounted in the casing for displacement by the spindle advancing drive through a working stroke in the direction of the central longitudinal axis.
7 more elements
Dependencies are inferred from the claim text.