US 12,434,370 B2
Impact tool anvil and method of manufacture
Anthony E. Breitbach, Muskego, WI (US); Matthew W. Roeber, Milwaukee, WI (US); Eric A. Lembach, Wauwatosa, WI (US); Zachary J. Geschke, Milwaukee, WI (US); Jacob P. Schneider, Cedarburg, WI (US); and Braden A. Roberts, Brookfield, WI (US)
Assigned to MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Apr. 15, 2024, as Appl. No. 18/635,271.
Claims priority of provisional application 63/459,377, filed on Apr. 14, 2023.
Prior Publication US 2024/0342888 A1, Oct. 17, 2024
Int. Cl. B25D 17/06 (2006.01); B23K 26/352 (2014.01); B23K 26/356 (2014.01); B24C 1/10 (2006.01); B25B 21/02 (2006.01); B25B 23/00 (2006.01)
CPC B25D 17/06 (2013.01) [B23K 26/356 (2015.10); B24C 1/10 (2013.01); B25B 21/02 (2013.01); B25B 23/0035 (2013.01); B25D 2217/0015 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An anvil for an impact tool, the anvil comprising:
an impact receiving portion at an end of the anvil, the impact receiving portion including a lug having an impact receiving surface that receives impact from a hammer of the impact tool;
a shank portion extending from the impact receiving portion;
a drive portion located at an end of the shank portion opposite from the impact receiving portion, the drive portion including a plurality of drive surfaces configured to engage a tool bit; and
a hardened layer formed on at least one of the drive portion or the impact receiving surface, the hardened layer having a higher hardness than a remaining portion of the anvil,
wherein the hardened layer is formed by a heating process.