A quintuple turning-joint to be linked with all sides of a symmetrical hexagon-linkage having parallel running diagonals

E.A. Dijksman

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Abstract

Two perspective and symmetrical hexagon-linkages both having parallel running diagonals perpendicular to the common axis of symmetry that contains their center of perspectivity, are to be interconnected by six turning-joints being the intersections of corresponding sides of the hexagons. All six of them join a common line perpendicular to the axis of symmetry. The 12-bar chain, obtained this way, represents an overconstrained linkage with two redundant (i.e. superfluous) turning-joints. The kinematic chain so designed, simultaneously contains three paris of reflected four-bars being folding ones when only one of them is. In case one of the perspective hexagons contracts into the center of perspectivity, a quintuple turning-joint is to be linked with all sides of the other hexagon.
Original languageEnglish
Pages (from-to)187-190
Number of pages4
JournalForschung im Ingenieurwesen
Volume59
Issue number9
DOIs
Publication statusPublished - 1993

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