GEAR WHEEL Russian patent published in 2013 - IPC F16H55/17 F16H57/04 

FIELD: machine building.

SUBSTANCE: gear wheel comprises body 1 and rim with teeth 2. Straps 5, 6 with ID larger than diameter of teeth space circumference diameter are secured at rim teeth ends 3, 4. Both straps are furnished with rings 7, 8 while hub has rings 9, 10 on its both sides. Strap and hub rings are directed perpendicular to them while their diameter equal ID of straps and diameter of teeth space circumference. Elastic self-lubing plates 11, 12 with cutouts 13 are arranged between strap and hub rings. Plates are fixed relative to gear at bases 14 perpendicular to gear face and in its center plane.

EFFECT: higher efficiency of lubrication of gears furnished with end circular straps.

1 dwg