Patent ID: 7526868

Claim:
A reciprocating power tool defined by a reciprocating saw, comprising: a body; a tool bit disposed in a tip end region of the body, the tool bit being defined by a saw blade; a motor disposed within the body, the motor causing the tool bit to linearly reciprocate; a handgrip disposed on a rear end of the body on the side opposite to the tool bit, wherein the handgrip and the body are coupled to each other such that the handgrip and the body can rotate with respect to each other via a fixed axis pivot about a rotational axis extending in a direction perpendicular to a direction of reciprocating linear motion of the tool bit and wherein the tool bit swings together with the body with respect to the handgrip held by a user of the power tool, at the same time as when the tool bit linearly reciprocates with respect to the body via the motor; and an elastic element disposed between the handgrip and the body and declined forwardly along an axis that is angled such that it declines forwardly with respect to the direction of reciprocating linear motion of the tool bit, the elastic element being received by a rectangular tubular portion having a circular bore, wherein the elastic element absorbs vibration transmitted from the body to the handgrip by elastically receiving the relative rotation of the handgrip and the body, wherein, when linearly reciprocating, the tool bit vertically swings on the pivot together with the body by an inertial force acting upon the body such that an angle of inclination of the reciprocating tool bit is changed, when the tool bit linearly moves in a direction to cut a workpiece, the angle of inclination of the tool bit gradually increases, and the tubular portion projects forward on the decline and is movably inserted into a space of the handgrip.