Patent ID: 7185558

Claim:
The geared segments with variable gear (drive) ratio are aimed for use mainly in mechanical machines, motors and pumps where a variable gear ratio during one revolution is required comprising: a driving shaft and driven shaft having a constant axial distance therebetween, said driving shaft ( 11 ) providing an axis of rotation for a driving eccentric geared segment ( 1 ) engaged thereon, said driving eccentric geared segment having a driving gearing ( 12 ) that is formed of at least three driving cogs ( 121 ) from which at least one is meshed with at least one driven cog ( 221 ) of an external driven gearing ( 22 ) that is formed on the periphery of a co-engaged (meshed) driven eccentric geared segment ( 2 ), said driven eccentric geared segment ( 2 ) engaged upon said driven shaft ( 21 ), said driven shaft providing an axis for rotation for said driven eccentric geared segment.