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