Patent ID: 9371888
Filing Date: 2016-06-21
CPC Classification: F16H,Y10T

Claim Text:
1. A pair of toothed wheels that mesh with each other, comprising: each tooth face of each of the pair of the toothed wheels including a plateau portion, a surface of the plateau portion being a plateau-structure surface, the plateau-structure surface having a plurality of concavities and a plurality of convexities, and peak portions of the plurality of convexities being flat, wherein a reduced valley depth of the plurality of concavities of the plateau portion of one of the pair of the toothed wheels is greater than a reduced valley depth of the plurality of concavities of the plateau portion of the other of the pair of the toothed wheels, and an area occupied by the plurality of concavities in the plateau portion of the one of the toothed wheels is larger than an area occupied by the plurality of concavities in the plateau portion of the other toothed wheel.