Spark plug gap setterdoi:US2890611 AMcpherson Perley NUS
Spark plug gap setterComplete Patent Searching Database and Patent Data Analytics Services.doi:US2553169 ABretsch Michael AChristie Robert KUS
A spark gap setting mechanism comprises a pair of electrodes 10, 11 arranged to engage each other in a closed position, means (pin 12) for separating electrodes 10, 11 to define a spark gap therebetween, a tapering member 14 coupled to the separation means, means for moving member 14 into...
Semi-automatic spark gap setterdoi:US3235764 AGilbert, Billin ArthurUS