coils 23 mounted outward the movable armature core 21 to move the armature core slidably; and an unillustrated spring to hold the movable armature core 21 in a desired position in accordance with the amount of {HEAD ~ energization current} provided to {TAIL ~ the coils} 23 
provided to
coils 23 mounted outward the movable armature core 21 to move the armature core slidably ; and an unillustrated spring to hold the movable armature core 21 in a desired position in accordance with the amount of { HEAD ~ energization current } provided to { TAIL ~ the coils } 23
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH