GEARING Russian patent published in 2015 - IPC F16H1/04 

FIELD: machine building.

SUBSTANCE: gearing comprises pair of interfaced tooth-wheels installed in gearing casing, small diameter wheel and large diameter wheel comprising disk, hub used for installation on shaft with axle of rotation and toothed rim. Large diameter wheel has pair of support rollers, that by their roll surfaces are interfaced with both ends of wheel disk in area of its toothed rim, in zone of engagement of both gearing wheels. The rollers are installed on axles secured in the gearing casing with possibility of free rotation on these axles. The roller axles are located in same plane with axles of rotation and both tooth-wheels. The rollers are made in form of the truncated cones with bases looking on the toothed rim, and with ratio of lengths of circles of the base and tips equal to the ratio of circles described during the wheel rotation on end faces of the disk by the base and tip points.

EFFECT: reduced materials consumption of toothed-wheels and increased operation quality of interfaced tooth pair.

1 dwg