Patent ID: 8459751

Claim:
A percussion tool for a demolishing hammer, comprising an elongated body, the elongated body having a first portion adapted to be connected to the demolishing hammer and a second portion, opposite to the first portion, the second portion including a working end, the first portion being made of a first material, and the second portion being made of a second material which is different from the first material, the first portion and the second portion being mutually and rigidly connected by means of a connection member; wherein the connection member is adapted to be applied outside the first portion and the second portion and is a metallic ring; wherein the first portion and the second portion have respective circumferential grooves next to the first end and the second end to be mutually connected, wherein the grooves are engaged by corresponding radial ribs of the metallic ring; and wherein, at a first axial end of the first portion, a recess is formed, the recess being engaged by a corresponding projection, the projection extending from a second axial end of the second portion, the recess and the projection having such a shape as to prevent a relative rotation of the first portion and the second portion.