US 11,813,724 B2
Valve seat removal impact driver attachment device
Zachary Zufelt, West Townsend, MA (US)
Filed by Zachary Zufelt, West Townsend, MA (US)
Filed on Nov. 30, 2021, as Appl. No. 17/537,643.
Claims priority of provisional application 63/120,268, filed on Dec. 2, 2020.
Prior Publication US 2022/0168878 A1, Jun. 2, 2022
Int. Cl. B25B 27/24 (2006.01); B25B 27/00 (2006.01); B25B 21/02 (2006.01); B25B 21/00 (2006.01)
CPC B25B 27/24 (2013.01) [B25B 21/002 (2013.01); B25B 21/026 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A tool for removing a valve seat, the tool comprising:
a body having a first end, a second end and a central body portion disposed between the first and second ends;
wherein the first end having an engagement head and a recess adjacent to the engagement head;
wherein the second end comprises a deformable element for securing the second end in the valve seat; and
further wherein the second end is sized and configured to fit within the valve seat and lock in place so that the second end cannot rotate within the valve seat allowing the valve seat to unthread from a valve housing when the tool is rotated.