B23Q 3/1576

Arrangements for automatic insertion or removal of tools {, e.g. combined with manual handling } of rotary tools {a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged in the rotating or circulating plane of the storage means}