Chuck for screwdriver insert, has inner sleeve for retaining screwdriver insert, and plunger for ejecting insert from inner sleeve and arranged between drive shaft and insert that is fixed in inner sleeve by magnetic element

摘要

The chuck (10) has an inner sleeve (30) for retaining a screwdriver insert (70). A plunger (90) for ejecting the screwdriver insert from the inner sleeve is arranged between a drive shaft (20) and the screwdriver insert. A spring element (50) is arranged between a stop face (26) of the drive shaft and a stop face (34) of the inner sleeve. The screwdriver insert is fixed in the inner sleeve by an annular magnetic element (60). The plunger comprises a stop face (94) and is made of magnetic material. The drive shaft and the inner sleeve are coupled by a ball (40) or a bolt.