Patent ID: 8342001

Claim:
A crimping or cutting working head for impact wrench, comprising: a transmission unit, comprising: a detachable jaw device, which comprises: two pairs of jaws: a pair of crimping jaws, and a pair of cutting jaws, wherein said crimping jaws and said cutting jaws are alternative in use; a pair of dies connected to said jaws respectively by a pair of die connecting shafts and two pair of die positioning shafts, and a pair of covers respectively provided at an upper surface and a lower surface of said jaws, wherein said jaws are movably connected to said covers; and a transmission device, which comprises a sleeve connected to said cover, a frame is sleevedly mounted in said sleeve, two pairs of connecting sheets, wherein one end of each connecting sheet is connected to a rear portion of said jaw, another end of each connecting sheet is connected to said frame, and a screw assembly connected to a rear portion of said frame via screw structure; and a connection unit connecting said transmission unit to the impact wrench.