Patent ID: 11945087
Assignee: TIEN-I INDUSTRIAL CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. The impact tool head of claim 3, wherein the flange further includes a circumferential surface which is parallel to the axial direction and transitionally connected with the inclined surface, and in the axial direction, an extending distance of the circumferential surface is smaller than or equal to an extending distance of the inclined surface; the impact tool head further includes a first arcuate concave surface between the rod body and the inclined surface, and the first arcuate concave surface has a first radius of curvature less than or equal to 5 mm; the impact tool head further includes a second arcuate concave surface between the rod body and a side of flange opposite to the inclined surface, and the second arcuate concave surface has a second radius of curvature which is larger than the first radius of curvature.