Pneumatic chisel hammer for working stone, has suction nozzle joined directly to chisel

摘要

The suction nozzle (5) is joined directly to the chisel (2). The hammer comprises a casing, a chisel, a chisel drive mechanism located inside the casing, and a suction system for removing dust. The chisel extends through the suction nozzle. An Independent claim is also included for the suction nozzle, which is provided with a connection mechanism for securing it directly to the chisel.