{HEAD ~ The electromagnetic piston engine} according to the present invention in a still further aspect is constructed by arranging a combination of the cylinder with the piston in the aspects described above as a one assembly, arranging the one assembly in plural numbers and operating {TAIL ~ the plural assemblies} in a parallel way, and converting a reciprocal movement of the piston in each of the plural assemblies into a rotary movement of a single crank shaft by a crank mechanism 
{ HEAD ~ The electromagnetic piston engine } according to the present invention in a still further aspect is constructed by arranging a combination of the cylinder with the piston in the aspects described above as a one assembly , arranging the one assembly in plural numbers and operating { TAIL ~ the plural assemblies } in a parallel way , and converting a reciprocal movement of the piston in each of the plural assemblies into a rotary movement of a single crank shaft by a crank mechanism
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