Effect of Galantamine Hydrobromide in Chronic Fatigue Syndrome
2017
An apparatus to process, in particular, curved surfaces using one or more grinding or polishing tools which includes a housing (2) having a drive system (3, 20, 19, 12) powering at least one tool seat (1) particularly for a grinding or polishing tool (W) into rotation about a longitudinal axis (4). For the purpose of multi-sided pivoting displacement of the axis of rotation (4) within a predetermined angular range (alpha), the tool seat (1) rests pivotably in a holder (5) of the housing (2), the holder (5) including a shell (7) having an outer contour in the shape of a spherical segment and being pivotably received in an inner contour of a seat (8) also in the shape of a spherical segment. The drive system (3, 20, 19, 12) includes a pivoting ball-joint (6) coupling it to the tool seat (1) in order to drive the seat into rotation in every pivoted position. To reliably eliminate operational vibrations, the pivoting articulations are configured in such a manner that the center (C) of the pivoting motion of the shell (7) in the seat (8) coincides with the center of pivoting (G) of the ball-joint (6). While this apparatus only requires modest manual operator skills, it makes it possible nevertheless to process in a simple manner, in particular concave or convex surfaces, in particular using a grinding or polishing tool.
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