GEAR SHAFT Russian patent published in 2016 - IPC F16H55/17 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, particularly to machine parts, and can be used in tooth gears lubricated by fictile lubricants. Gear shaft comprises shaft and gear made from one solid workpiece. Diameter of gear teeth bases circle is larger than shaft diameter. On gear teeth ends side and with gaps relative to them end face rings are located perpendicular to shaft axis. End rings outer diameters are equal to gear teeth tops circle diameter, and inner diameters are equal to shaft diameter.

EFFECT: higher quality of gear lubrication due to end rings.

1 cl, 1 dwg