Patent ID: 7097585
Filing Date: 2006-08-29
Classification: F16H

Abstract:
1. A differential gearing for vehicle comprising an internal gear contained within a housing, a sun gear located inside of and concentric with the internal gear, planet gears disposed between the internal gear and the sun gear in meshing engagement with the both gears, and a planetary carrier for carrying the planet gears so as to be capable of rotating about an axis of rotation of the internal gear and the sun gear and rotation about the axes of the planet gears, the gears having helical gear teeth which are in meshing engagement with each other; in which along a power transmission path extending from a region of meshing engagement of the internal gear or the sun gear with the planet gears, one of the internal gear and the sun gear is divided into two or more members between the axis of rotation and the helical gear teeth of the one gear and a thrust generating mechanism which generates a thrust during the transmission is disposed in a region where the divided members are connected together.