Rods 28 are controlled by the configuration of {HEAD ~ the cam track} 24 to displace {TAIL ~ the follower} 25 by rotation of the cam plate 23 
to displace
Rods 28 are controlled by the configuration of { HEAD ~ the cam track } 24 to displace { TAIL ~ the follower } 25 by rotation of the cam plate 23
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH