{HEAD ~ A jogger} having a jogger plate is floatingly supported by a four bar linkage swingably mounted upon {TAIL ~ a support post} 
{ HEAD ~ A jogger } having a jogger plate is floatingly supported by a four bar linkage swingably mounted upon { TAIL ~ a support post }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL