Wherein the interlinked linkage is configured by a pair of primary struts, and a pair of secondary bars pivotally interlinked with pinshafts at {HEAD ~ ends} of the struts and {TAIL ~ the bars} 
of
Wherein the interlinked linkage is configured by a pair of primary struts , and a pair of secondary bars pivotally interlinked with pinshafts at { HEAD ~ ends } of the struts and { TAIL ~ the bars }
OTH 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 REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL