Toothed chain drive

Tooth chain drive of the double-type engaging with a toothed chain (1) of the double-engaging type and a gear (44) for engagement with the toothed chain (1) of the double-meshing type, wherein the toothed chain (1) first chain links and second chain links which are arranged alternately in the longitudinal direction of the chain (1), wherein each first link of an odd number of link plates (2A, 2C) is composed, which are arranged in the width direction of the chain (1), and each second chain link of an even number of link plates (2B, 2D) is composed, which are arranged in the width direction of the chain (1), and having a plurality of pins (3), each pin (3) is adapted such that it couples two adjacent chain links to each other, wherein the link plates (2A, 2C) of the first links and the link plates (2B, 2D) of the second chain links have an identical side profile, with two meshing teeth (T) on one side and a planar back surface (S) ...