Silent-chain transmission apparatus

摘要

A silent-chain transmission apparatus includes a silent chain and a sprocket. The silent chain is formed of a plurality of plates (10), each of which has a pair of link teeth each having an inner crotch (11) and an outer flank (12). The plates are connected through use of connection pins. The sprocket has sprocket teeth that come into meshing engagement with the link teeth of the silent chain. Each of the inner crotches has a projection (11a) that is formed on a tooth tip side with respect to a working pitch line and has a straightly profiled portion. <IMAGE>