US 11,772,241 B2
Electrically isolated tool with failsafe coating
Stephen M. Batsa, Lexington, SC (US); Chad Aaron Miley, Camden, OH (US); James Spaulding, Lexington, SC (US); and Rolf DeSwardt, Blythewood, SC (US)
Assigned to APEX BRANDS, INC., Apex, NC (US)
Filed by APEX BRANDS, INC., Apex, NC (US)
Filed on Mar. 25, 2022, as Appl. No. 17/704,133.
Application 17/704,133 is a continuation of application No. 17/600,902, granted, now 11,318,586, previously published as PCT/US2020/018041, filed on Feb. 13, 2020.
Claims priority of provisional application 62/828,670, filed on Apr. 3, 2019.
Prior Publication US 2022/0219291 A1, Jul. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B25B 13/06 (2006.01); F16D 1/10 (2006.01); B25B 23/00 (2006.01)
CPC B25B 13/06 (2013.01) [F16D 1/101 (2013.01); B25B 23/0035 (2013.01); F16D 2001/103 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrically isolated coupler comprising:
a drive body made of first metallic material and having a drive end configured to interface with a fastening component, the drive body comprising a first interface portion;
a driven body made of a second metallic material and having a driven end configured to interface with a driving tool, the driven body comprising a second interface portion;
an insulating outer cover configured to cover the outside surface sidewalls of the drive body and the driven body; and
an isolation coating disposed on a surface of the first interface portion or the second interface portion that faces the second interface portion or the first interface portion,
wherein the isolation coating comprises a material that adheres to metal and has a dielectric strength of greater than about 10 kV.