US 12,420,384 B2
Spark plug socket
Devin W. Herritz, Sussex, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed on Aug. 9, 2022, as Appl. No. 17/884,256.
Application 17/884,256 is a continuation of application No. PCT/US2022/038522, filed on Jul. 27, 2022.
Claims priority of provisional application 63/226,586, filed on Jul. 28, 2021.
Prior Publication US 2023/0034704 A1, Feb. 2, 2023
Int. Cl. B25B 13/48 (2006.01)
CPC B25B 13/483 (2013.01) 17 Claims
OG exemplary drawing
 
1. A socket for engaging a spark plug, the socket comprising:
a tool engaging portion; and
a workpiece engaging body coupled to the tool engaging portion, the workpiece engaging body having a sidewall that defines a socket chamber; and
an insert positioned within the socket chamber, the insert having a first component comprising a first material and a second component comprising a second material;
wherein the first component has an exterior surface that is coupled to the sidewall of the workpiece engaging body such that the insert is maintained within the socket chamber;
wherein the second component is positioned within the first component;
wherein the second component defines an opening that is surrounded by the first component and the second component;
wherein the second material is more compliant than the first material and is positioned to engage an outer surface of the spark plug; and
wherein, when a spark plug is inserted into the socket chamber, the spark plug is received within the opening; and
wherein the second component defines a cylindrical structure comprising an exterior surface that engages the first component.