An air spring hammer device that includes a drive piston, moving axially
back and forth, with a front face of hollow embodiment and a hammer
piston moving in said hollow. A ventilation slot is embodied in a guide
wall of the drive piston. The drive piston may be guided in a guide tube.
The guide tube comprises several idle openings. A moving control element
is arranged on the exterior of the guide tube, in which control openings,
corresponding to the idle openings, are provided. In an idle operating
mode, the control element is in an open position, via which the
ventilation slot, the idle openings and the control openings can be
brought into connection with the environment.