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