| 摘要 |
Provided is a power tool which is capable of more reliably detecting excessive reaction torque acting on a tool body. More specifically, provided is a handheld power tool which causes a tip tool (119) to rotate so as to carry out a predetermined machining operation, the handheld power tool comprising a tool body (103), a motor (111) which is housed in the tool body (103) and causes the tip tool (119) to rotate, a first sensor (151) which detects the torque state of the tip tool (119), a second sensor (159) which detects the motion state of the tool body (103), and a torque cut-off mechanism (134) which cuts off the transmission of torque between the motor (111) and the tip tool (119). The torque cut-off mechanism (134) is configured to cut off the transmission of torque on the condition that the first sensor (151) and the second sensor (159) respectively detect a preset threshold value for the first sensor (151) and the second sensor (159). |
