Ignition system with multiplex distributor for engines

An ignition system for a multi-cylinder internal combustion engine comprising in combination, a driving shaft, a plurality of rotatable cam means mounted on said shaft in an axially spaced arrangement, each of said cam means having a number of lobes for actuating one of a plurality of substantially identical and concurrently operable circuit breaker assemblies disposed in an axially spaced arrangement, each said circuit breaker assemblies including an actuating cam follower, all of said cam followers being pivoted about the same pivot arm, said pivot arm being affixed to a common ground plate and each of said cam followers engaging a respective one of said cams, a multi-level distributor cover means having at least one terminal contact disposed on each level, a multi level rotor mounted on said driving shaft and rotating within said distributor cover means, a plurality of ignition coils having primary and secondary windings, said ignition coils corresponding in number to the number of levels of said multi-level rotor and said primary windings being connected to a respective one of said breaker assemblies at one end and to a power source at the other end, said multi-level rotor including an input connection for each level connected to a respective one of said secondary windings, each level of said multi-level rotor having an axially spaced and axially aligned output connection tip, said output connection tips having a different radius for each level and connecting the input of each rotor level with said at least one contact on the corresponding level of the multi-level distributor cover means, said contacts being connected to the engine spark plugs.