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