Impact tool

An impact tool comprising:

• a cylindrical housing;
• and
• longitudinally vibratable needle chisels set in said housing which are configured to extend forward from an opening formed at a front end of said housing;
• wherein said housing comprises:
• a front cover part extending rearward from the front end of said housing;
• a housing body detachably connected to a rear end of said front cover part;
• and
• a clamping device configured to clamp said front cover part to said housing body;
• further wherein said front cover part comprising:
• an annular fastening portion placed on and clamped to an outer peripheral surface of a front edge portion of said housing body, thereby being connected to said outer peripheral surface;
• a cylindrical portion extending from the front end of said housing into a region of said fastening portion;
• and
• a connecting portion connecting together said cylindrical part and said fastening portion;
• and
• further wherein said fastening portion is split at a circumferential point thereof, thereby having a pair of tongue-shaped portions opposing to each other circumferentially;
• and
• said clamping device is provided between said tongue-shaped portions and movable between a clamping position where said clamping device pulls said tongue-shaped portions toward each other and an unclamping position where said tongue-shaped portions are released from the condition of being pulled toward each other.