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 the plural assemblies in a parallel way, and converting a reciprocal movement of {TAIL ~ the piston} in each of the plural assemblies into a rotary movement of {HEAD ~ a single crank shaft} by a crank mechanism 
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 the plural assemblies in a parallel way , and converting a reciprocal movement of { TAIL ~ the piston } in each of the plural assemblies into a rotary movement of { HEAD ~ a single crank shaft } by a crank mechanism
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