Patent ID: 6938705

Claim:
A striking tool comprising: a motor; a tool holding portion capable of holding a front end tool; a cylinder covered with a cylinder case including a contact face opposed to a side of the tool holding portion at an outer periphery thereof where a breathing hole communicable with an air chamber is provided; a piston capable of reciprocating in the cylinder; a striker reciprocating in the cylinder by being exerted with a reciprocating force of the piston via an air chamber; a movement converting member exerted with a rotational force of the motor via a reduction gear and converting the rotational force into the reciprocating force to transmit to the piston; a middle piece struck by the striker and capable of transmitting a striking force of the striker to the front end tool; a projection portion projecting in a radius direction of the cylinder and capable of being brought into contact with the contact face of the cylinder case; and a holding portion which positions the cylinder in the radius direction thereof by holding the outer periphery of the cylinder by at least two separated portions from each other in an axial direction thereof, wherein the projected portion of the cylinder is formed at an end face thereof on the side of the tool holding portion, the holding portion on the one side is configured by a guide face which has an inner diameter of a dimension substantially the same as an outer diameter of the projected portion, and the guide face is extended from the end face of the tool holding portion side on the cylinder case over to the contact face of the cylinder case.