Patent ID: 8490715
Filing Date: 2013-07-23
Classification: B25D

Abstract:
1. A hand-held power tool, in particular a rotary hammer and/or a hammer chisel, having a transmission device equipped with a drive end bearing having a torque transmitting element extending from one end thereof and being one-piece with said drive end bearing, said torque transmitting element having a first end adjacent said one end and an opposite second end, said torque transmitting element having at least one torque transmitting contour which transmits a torque to the drive end bearing, said at least one transmitting contour of said torque transmitting element extending between said opposite second end to an intermediate location on said torque transmitting element, wherein the torque transmitting element further includes a stamped relief groove defining an annular continuous recess between said at least one transmitting contour of said torque transmitting element that extends between said intermediate location and said one end of said drive end bearing, and wherein the transmitting contour of the torque transmitting element is manufactured by an axial machining and/or a stamping process and/or a milling process.