Patent ID: 7992756

Claim:
A hand-held fastener driver for fastening elements comprising: a driving tappet movably mounted in a tappet guide and driveable by at least one drive spring element; a tensioner for the drive spring element; a locking mechanism having a locked position where the drive spring element is lockable in a tensioned position; and the tensioner having a tensioning element provided with a profile, the tensioning element axially moveable along a longitudinal axis of motion by a rotatable counter-element engaged with the profile and driveable by a motor; a guide for the tensioning element having a first guide section to non-rotatably guide the tensioning element along the longitudinal axis of motion and at least one additional guide section allowing the tensioning element to swivel around the longitudinal axis of motion, the locking mechanism shiftable into a release position by a swiveling movement of the tensioning element.