Patent ID: 9541164
Date: 2017-01-10
CPC Classifications: F16H

Claim:
1. An axial conversion gear device comprising: a crankshaft having a shaft main body, an eccentric portion that is eccentric to the shaft main body, and a shaft gear disposed on the shaft main body; an oscillation gear having a plurality of external teeth and oscillating and rotating due to rotation of the eccentric portion; a transmitting gear having a first gear engaged with the shaft gear of the crankshaft and a second gear spaced apart from the first gear in an axial direction of the first gear; an axial conversion unit having an external tooth gear engaged with the second gear and an axial conversion gear converting input torque into torque in an axial direction of the external tooth gear; and an outer cylinder having a plurality of internal teeth engaged with the external teeth of the oscillation gear respectively, wherein in the axial direction of the external tooth gear, the axial conversion gear is located between the first gear and the second gear.