Patent ID: 6336849
Filing Date: 2002-01-08
Classification: B24B

Abstract:
A grinding spindle, comprising:a spindle housing; an actuator for effecting a lifting or towering movement; a bush is coaxially mounted on said spindle housing, said bush being provided with said actuator; a drive motor; a carrier device; two coaxial shafts drivable by said drive motor, a first of said coaxial shafts being an inner shaft, or a main shaft, and a second of said coaxial shafts being an outer shaft, said main shaft being connected to said drive motor and said outer shaft being coupled to said main shaft by said carrier device, with said outer shaft being pivotably mounted on said bush with a pivot bearing; and, a concentric grinding disk fixed to each of said coaxial shafts, said two coaxial shafts being movable in an axial direction relative to one another in a lifting movement or a lowering movement via said actuator for engaging at least one of said concentric grinding disks.