Vibration dampening hypoid gear structure

摘要

The invention concerns a hypoid gear structure which includes a hypoid ring gear disposed coaxially with a rotation axis and a hypoid pinion gear provided with a rotation axis of an electric motor and engaging with the hypoid ring gear. The hypoid gear includes a first toothed portion disposed on the inner side and a second toothed portion disposed on the outer side, and one of the first toothed portion and the second toothed portion is urged by a spring to press the hypoid pinion gear.