Patent ID: 8950508
Filing Date: 2015-02-10
Classification: B25B

Abstract:
1. A handheld power tool comprising: a tangential striking mechanism drivable by a drive; a drive shaft; a tool socket on the drive shaft capable of holding a tool, the drive shaft capable of executing a rotating and partially tangentially striking movement by the tangential striking mechanism, the tangential striking mechanism having an anvil associated with the drive shaft as well as a hammer associated with the drive, the anvil and hammer being movable with respect to each other so as to strike each other axially when under the effect of the force of at least one first spring, and so as to strike each other tangentially when the anvil and the hammer are rotated, the hammer having a main mass; and an extra mass under the effect of the force of a second spring and detachably couplable to the main mass.