A family of class="underline">RC//class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0094114X15001500&_mathId=si2.gif&_user=111111111&_pii=S0094114X15001500&_rdoc=1&_issn=0094114X&md5=1a137b5148a96c8ae384d936f77b4987">class="imgLazyJSB inlineImage" height="15" width="14" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0094114X15001500-si2.gif">class="mathContainer hidden">class="mathCode">–like linkages is presented.
Discontinuous mobility with motion bifurcations in special class="underline">RC//class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0094114X15001500&_mathId=si2.gif&_user=111111111&_pii=S0094114X15001500&_rdoc=1&_issn=0094114X&md5=1a137b5148a96c8ae384d936f77b4987">class="imgLazyJSB inlineImage" height="15" width="14" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0094114X15001500-si2.gif">class="mathContainer hidden">class="mathCode">-like linkages is disclosed.
Coupler has 2-DoF infinitesimal translation and two working modes at a bifurcation.
The special case of Koenigs joint is described for potential application.