As the pusher travels forward by {HEAD ~ a specified stroke} in {TAIL ~ this condition}, the anti slip off ring is pushed into the annular space defined by the pins end and the opening of the pin insertion hole of the link 
As the pusher travels forward by { HEAD ~ a specified stroke } in { TAIL ~ this condition } , the anti slip off ring is pushed into the annular space defined by the pins end and the opening of the pin insertion hole of the link
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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