RING GEAR ARRANGEMENT IN A PLANETARY DRIVE

摘要

A sun-gear is fixedly mounted on the end of a rotatable shaft to drive a planetary gear train of the type in which an internal ring-gear is fixed against radial and angular movement by a stationary hub encircling the shaft. A planet carrier is fixed for rotation as a unit with a second hub which extends back over the gear train and which rotates upon and around the stationary hub. The ring-gear is axially located between bosses formed as interrupted planar bearing pads extending from the rotating hub and the planet carrier respectively.