GEAR WHEEL Russian patent published in 2014 - IPC F16H57/04 F16H55/17 

FIELD: machine building.

SUBSTANCE: gear wheel contains a body 1, rim with teeth 2, lubrication retaining pockets made as shelves 3 with crimps 4, located at the ends 5 of teeth along all over the length of their lateral surface flush with them with a minimum clearance Δ with reference to teeth ends of this wheel and teeth 10 of the pair wheel, conjugate in transmission. Each shelf is fastened to a tooth end by means of the angular element 7 with the length equal to that of the shelf. One of its longitudinal parts 8, parallel to the tooth end, an angular element is fastened on the shelf facet facing towards to the tooth end, this part faces towards the tooth axis, and has the length h, at least, not smaller, than the value of the maximum wear of the lateral surface of the tooth. The second part 9 of the angular element is fastened to the tooth end.

EFFECT: operability of a gear wheel even with worn teeth is provided.

2 dwg