Patent ID: 7234376

Claim:
A device ( 10 ) securable on a screw-driving power tool ( 2 ) for holding and supporting a fastening element ( 50 ) insertable in a tool bit ( 46 ) of the power tool ( 2 ), the holding device ( 10 ) comprising at least two clamping members ( 20 ) which abut a stem ( 74 ) of the fastening element ( 50 ) in a support position of the clamping members and which are displaceable, upon application of a force thereto in a direction opposite a drive-in direction of the power tool, from the support position thereof into a release position thereof in which the at least two clamping members ( 20 ) release the stem ( 74 ), the clamping members ( 20 ) each formed by a clamping arm having a first end supported by a pivot support ( 18 ) displaceable relative to a driving gear ( 4 ) of the power tool ( 2 ) and by a slotted crank guide, each said clamping arm including an opposing second end having at least one contact region ( 40 ) which forms, at least in the support position of the clamping members ( 20 ), a frontmost stop of the holding device ( 10 ) in the drive-in direction ( 22 ) of the power tool ( 2 ) for engaging a workpiece the fastening element ( 50 ) is being driven into, whereby the workpiece applies to the clamping members ( 20 ) the force in the direction opposite the drive-in direction.