CHAIN TRANSMISSION Russian patent published in 2007 - IPC F16H7/06 

FIELD: mechanical engineering.

SUBSTANCE: chain transmission comprises driving sprocket (1), two driven sprockets (2) and (3), and chain that embraces the sprockets. The sprockets are shifted one with respect to the other along the shafts. The gear rims of the sprockets are mounted with a spaced relation one with respect to the other and are spaced from the plates of chain (4). Second driven sprocket (3) is mounted symmetrically to first sprocket (2) with respect to driving sprocket (1). The chain has three rows.

EFFECT: enhanced reliability and prolonged service life.

1 dwg