HARMONIC DRIVE WITH SPRAGS Russian patent published in 2013 - IPC F16H1/32 

FIELD: machine building.

SUBSTANCE: drive stiff wheel 8 has inner periodic recesses composed of conjugated radial surfaces. Pushers 2 displace in radial holes of separator 3 to get in contact with cams of shaft 1. Axles 4 of rollers 5 are fitted in the holes of pushers 2. Axle 4 of every roller 5 is parallel with the drive central axis and set off to radial surface of roller 5. Recess of stiff wheel 8 and working surface of roller 5 feature equal radii. Rollers 4 contact with stiff wheel 8 over the surface.

EFFECT: higher output capacity.

3 dwg