A braking structure for a turning body 2, wherein the movable side portion has an end portion, and each of the pair of elastic engaging pieces protrudes circumferentially from {HEAD ~ the end portion} to surround {TAIL ~ the receiving portion} 
to surround
A braking structure for a turning body 2 , wherein the movable side portion has an end portion , and each of the pair of elastic engaging pieces protrudes circumferentially from { HEAD ~ the end portion } to surround { TAIL ~ the receiving portion }
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 HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL