{HEAD ~ The rod} 37 carries an abutment member 39 which engages {TAIL ~ the edge} of the carrier 22 at a selected limit of its pivotal movement, and an abutment 40 which engages the ramp 41 of a slide cam 42 
{ HEAD ~ The rod } 37 carries an abutment member 39 which engages { TAIL ~ the edge } of the carrier 22 at a selected limit of its pivotal movement , and an abutment 40 which engages the ramp 41 of a slide cam 42
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH 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