ARTICULATED INTERNAL GEARING Russian patent published in 2014 - IPC F16H37/02 F16H7/06 

FIELD: machine building.

SUBSTANCE: articulated gearing comprises drive outer tooth sprocket (2) and driven sprocket (1) and two-row roller chain (3) to transfer first power flow. Two gears (4, 5) fitted on one axle with equal number of teeth engage with said drive and driven sprockets to make the second power flow. Said first power flow comprises two extra rollers fitted on parallel axles and bus supporting aforesaid roller chain. Driven sprocket (1) has inner teeth for engagement with one of gears (5) and roller chain (3). Drive and driven sprockets are fitted at equal axle base equal to or approximating to zero and feature different number of teeth. Aforesaid bus is arranged with clearance to driven sprocket inner surface for passage of roller chain.

EFFECT: transmission of torque from drive shaft to driven shaft at axle base equal to or approximating to zero.

2 cl, 3 dwg