(under subclass 19.21) Subject matter including a mechanism directed outward away from a center that is used for automatically advancing the time of the spark in response to a predetermined increase in engine speed.
(1) Note. The centrifugal advance mechanism may be used singly or in combination with a vacuum or suction controlled advance mechanism.
SEE OR SEARCH THIS CLASS, SUBCLASS:
19.25, for vacuum or suction controlled advance mechanism.
