The plurality of recesses 36 are arranged at {HEAD ~ intervals} along {TAIL ~ a trajectory} of a locking projection 33 of an antenna structure body 3 generated when the antenna structure body 3 turns 
along
The plurality of recesses 36 are arranged at { HEAD ~ intervals } along { TAIL ~ a trajectory } of a locking projection 33 of an antenna structure body 3 generated when the antenna structure body 3 turns
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH