Patent ID: 6952853
Filing Date: 2005-10-11
Classification: B23B,B25B

Abstract:
1. Screw driving device ( 2 ) for combination with a hand drilling device ( 1 ) having a drilling axis and a front end for drilling into a workpiece ( 17 ), said screw driving device ( 2 ) comprising a magazine ( 3 ) for successively feeding screws or bolts ( 4 ) to be driven into said workpiece ( 17 ), and an axially extending driving tool ( 8 ) having a front end with a coupling part arranged to be coupled rotationally in a form locked manner with a screw head ( 7 ) of one of said screws or bolts ( 4 ), said driving tool ( 8 ) being axially moveable and laterally enclosing a rotatable drilling tool ( 9 ) within an axially extending hollow inner space ( 15 ) within said driving tool ( 8 ), said drilling tool ( 9 ) having a drilling tip ( 11 ) at the front end thereof, a clutch spring ( 10 ) axially biasing said driving tool ( 8 ), relative to the screw driving device ( 2 ) and thereby said driving tool ( 8 ) being displaced in a rotation driver position (X) in which said drilling tip ( 11 ) is axially spaced from said screw head ( 7 ) and coupling means connecting said driving tool with said drilling tool in a form locked manner and engageable with one of said screw heads ( 7 ) in engagement with said driving tool ( 8 ) in position to be driven into the workpiece.