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