This lateral shifting of the fork 51 and {TAIL ~ its motor} 52 by {HEAD ~ eccentric} 58 is guided by a roller 60 secured to a link 61 carried by the fork 51 and motor 52 assembly 
This lateral shifting of the fork 51 and { TAIL ~ its motor } 52 by { HEAD ~ eccentric } 58 is guided by a roller 60 secured to a link 61 carried by the fork 51 and motor 52 assembly
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH