GEAR WHEEL Russian patent published in 2016 - IPC F16H55/12 

FIELD: machine building.

SUBSTANCE: invention can be used in tooth gears. Gear wheel consists of hub, body in form of a disk and toothed rim, made in form of profiled ring out of strap, which external profile and outer diameter correspond to profile and diameter of circle of tops, calculated for toothed rim of given wheel. Profiled ring by one end face is secured on the disk end face, and at second end of profiled ring flat ring is mounted with inner diameter equal to inner diameter of profiled ring and outer diameter is not less than diameter of circle of tops of toothed rim. Disk and flat ring outer diameters are larger than outer diameter of profiled ring.

EFFECT: higher quality of gear wheel lubrication.

1 cl, 2 dwg