Tool head for drill press, has bearings between tool holding fixture and gear box, the bearing distance to the medium diameter with respect to the rolling members form a ratio smaller than one

摘要

A drivable tool holding fixture (3) is mounted on a gear box (2), between the fixture and the gear box are bearings (4,5) whose distance to the medium diameter (D) with respect to the rolling members (6) form a ratio smaller than one.