US PATENT SUBCLASS 123 / 161
.~.~.~ Rotary electrodes

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

143 R  DF  IGNITERS {6}
146.5 R  DF  .~ Sparkers {11}
153  DF  .~.~ Make and break {11}
161.~.~.~ Rotary electrodes

DEFINITION

Classification: 123/161

Make-and-break sparking devices in which the movable electrode is carried by the rotating shaft driven continuously or intermittently in one direction.