{TAIL ~ a unit} including a plurality of magnets supported on a yoke, {HEAD ~ the unit} including a molding support region; and 
{ TAIL ~ a unit } including a plurality of magnets supported on a yoke , { HEAD ~ the unit } including a molding support region ; and
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH