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