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 {TAIL ~ the struts} and the bars 
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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 { TAIL ~ the struts } and 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH