摘要 |
It is an object of the invention to provide a technique for a reduction of an impact force caused by rebound of a tool bit after its striking movement in an impact power tool. The representative impact power tool (101) includes a tool body (103), a hammer actuating member (119,145), a striker (143), a weight (163) and an elastic element (165). A reaction force is transmitted from the hammer actuating member (119,145) to the weight (163) and the elastic element (165) is elastically deformed when the weight (163) moves rearward by the reaction to absorb the reaction force. The invention is characterized in that the mass of the weight (163) is set to about 40% or more of the mass of the striker (143). |