Patent ID: 7241207

Claim:
A sanding machine having oscillation drive means for setting an abrasive in an oscillating sanding movement, comprising an activating device having a multiplicity of activating regions triggered in such a way that various regions of the abrasive are alternately activated independently of the oscillating sanding movement, wherein the abrasive is mounted on a retaining device and the retaining device is mounted with the oscillation drive means on a sanding machine frame in order to set the retaining device, relative to a sanding machine frame, in a sanding movement oscillating parallel to a sanding plane, which is defined by a sanding surface of the abrasive, wherein the activating device is coupled to the sanding machine frame and is uncoupled from the retaining device at least in one direction of the sanding plane, and the oscillation drive means have rotatably driven eccentric shafts which extend vertically with respect to a sanding plane, between the sanding machine frame and the retaining device, at least one of the eccentric shafts is displaceably mounted in one direction of a sanding plane.