Patent ID: 8261853

Claim:
A hand-held power tool comprising: a body housing, a tool mounting part to which a tool bit is mounted, the tool mounting part provided on a front end of the body housing, a driving mechanism that is housed within the body housing and drives the tool bit, a handgrip that extends from the body housing in a direction transverse to the axial direction of the tool bit, the handgrip being held by user's first to fifth fingers, an operating part that is provided on a grip front portion of the handgrip and is depressed by user's finger to drive the driving mechanism, a holding part which is pressed forward toward the tool bit, while being held with first and second fingers of user's hand on a rear end of the body housing, a first circular arc portion having a horizontal section of a circular arc shape extending in an axial direction relative to the tool bit on a rear end of the handgrip and a second circular arc portion having a horizontal section of a circular arc shape extending in an axial direction relative to the tool bit on a rear end of the holding part, the circular arc shape having a curvature larger than the curvature of the circular arc shape of the first circular arc portion, wherein the circular arc shape of the second circular arc portion is configured to have a curvature ranging from 30 mm to 35 mm.