at least one cylindrical alignment extension and {TAIL ~ at least one cylindrical cam follower extension} mounted on the removable plate, wherein the extensions are spaced from each other and are structured and arranged to slidably fit within {HEAD ~ the passageways} of the yoke; and 
at least one cylindrical alignment extension and { TAIL ~ at least one cylindrical cam follower extension } mounted on the removable plate , wherein the extensions are spaced from each other and are structured and arranged to slidably fit within { HEAD ~ the passageways } of the yoke ; and
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH