Patent ID: 9435399
Filing Date: 2016-09-06
CPC Classification: B60K,F16H,Y10T

Claim Text:
1. A reduction gear comprising: a case; a speed reduction mechanism accommodated within the case and having a gear to which output of a motor is transmitted and a carrier that holds the gear; a shaft portion to which output of the speed reduction mechanism is transmitted; and a pinion coupled to the shaft portion, wherein the pinion and the shaft portion are integrally formed, and the shaft portion and the carrier are spline-coupled to each other, the reduction gear further comprises a pair of bearings that are held by the case and rotatably support the carrier, and a portion where a spline portion of the shaft portion and a spline portion of the carrier meshes with each other so as to form a spline-coupled portion faces one of the pair of the bearings, in a radial direction of the shaft portion.