| 摘要 |
A spark plug socket wrench includes a socket member having a non-circular chamber for receiving a nut member of a spark plug, and having an engaging hole for engaging with a driving tool, and having a compartment communicating with the chamber and the engaging hole of the socket member, a casing engaged into the compartment of the socket member and having a space for receiving an insulator of the spark plug, and a spring-biased projection attached to the casing and having a detent biased by a spring member for engaging with the spark plug and for retaining the spark plug to the socket member and for preventing the spark plug from being disengaged from the socket member inadvertently.
|
