| 摘要 |
A distributor device includes a rotating shaft driven by an engine and having a cam with which ignition points are opened, a movable plate rotatable against a case where ignition points are mounted, a diaphragm means, viz. vacuum spark advancing means operated by the vacuum of an inlet manifold in an engine and connected with the movable plate in order to change the on-off timing of the ignition points, and a vacuum electric switching means opened and closed by the operation of the diaphragm means.
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