(under subclass 406.11) Subject matter wherein the regulating means for varying spark ignition timing includes a rotating mass for producing a mechanical movement dependent upon the rate of rotation of the engine output shaft.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
19+, for a periodic circuit maker and breaker, and subclasses 80+ for a centrifugal circuit maker and breaker.
464, Rotary Shafts, Gudgeons, Housing, and Flexible Couplings for Rotary Shafts, appropriate subclasses, especially
6+, for a speed responsive device for adjusting the relative rotational position of coupled members.
