As the rod 33 rotates, the follower rod 37 rotates counter clockwise, whereby the pin 38 fixedly mounted on the rod 37 causes the photographic positioning cam sleeve 7 to turn circumferentially against {HEAD ~ the resilience} of {TAIL ~ the coiled spring} 17 
As the rod 33 rotates , the follower rod 37 rotates counter clockwise , whereby the pin 38 fixedly mounted on the rod 37 causes the photographic positioning cam sleeve 7 to turn circumferentially against { HEAD ~ the resilience } of { TAIL ~ the coiled spring } 17
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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH