Patent ID: 8186066

Claim:
Motor driven tool, comprising a drive unit that via a shaft tube enclosing a drive shaft and having a handle, is connected to a cutting unit which is turnably secured to the shaft tube, characterized in that the turnable connection is under the influence of a locking mechanism which can be released by means of a control means arranged about the locking mechanism and at a distance from the handle, the control means comprising a rotatable handle sleeve coaxially located relative to the handle and coupled to a threaded clamping screw including an engagement portion, characterized in that the locking mechanism comprises a clamp means that at least partially surrounds a portion of the cutting unit around which the cutting unit is turnable for providing a clamping force thereto, characterized in that the clamp means comprises a clamp ring having two shoulders each provided with a through opening that receive the threaded clamping screw influenced by the rotatable handle sleeve, rotation of the rotatable handle sleeve acting upon the two shoulders of the locking mechanism to selectively provide the clamping force.