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