FIELD: machine building.
SUBSTANCE: invention relates to machine building and can be used in drive roller or bush chain. Plate with holes of link of driven roller chain has a contour with adjacent curvilinear in form of circular arcs end and middle parts of circuit. Flat sections circuit are located opposite to longitudinal axis and symmetrically relative to axes of holes of plate. Dimensions of chain pitch, radius of circular arcs end and middle parts of circuit, maximum and minimum width of plates satisfy formulae (1) and (2).
EFFECT: increased service life of chain.
1 cl, 1 dwg, 2 tbl
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