Power tool having a hammer mechanism

A power tool having a hammer mechanism, comprising:

• a driving body, including a tool mounting portion on a front end and to which a tool accessory that is driven in a front-rear direction and strikes a workpiece is mounted, and a driving mechanism that includes a motor and drives the tool accessory, the driving mechanism being arranged rearward of the tool mounting portion;
• a driving body housing, including:
• a rear-end side housing that is formed by a pair of split outer wall members that can be separated in a dividing direction orthogonal to the front-rear direction, and houses at least a rear-end portion of the driving body;
• and a grip portion that is provided on the rear-end portion to be held by a user, wherein the driving body housing is connected to the driving body to move in the front-rear direction relative to the driving body;
• a guide member that guides movement of the driving body housing relative to the driving body in the front-rear direction, the guide member being fixed to the driving body along the front-rear direction within the driving body housing and connected to the driving body housing so as to allow the driving body housing to be movable in the front-rear direction;
• an elastic mechanism that is arranged within the rear-end side housing and includes an elastic element that generates an elastic force in the front-rear direction by elastically deforming when the driving body moves in the front-rear direction relative to the driving body housing, and applies the elastic force to the driving body at one end portion of the elastic mechanism in the front-rear direction, while applying the elastic force to the driving body housing at the other end portion;
• and
• an engagement portion that is provided on an inner wall surface of the split outer wall member and configured to be engaged with the other end portion of the elastic mechanism.