Patent ID: 8475319
Filing Date: 2013-07-02
Classification: F16D,F16H,Y10T

Abstract:
1. A final drive comprising a lubrication system, the final drive further comprising a differential housing, a reaction plate mounted to the differential housing, a shaft rotatably disposed within the differential housing, and a friction disc mounted about the shaft and fixed for rotation therewith, the friction disc comprising a lubrication hole and inner and outer bands of friction lining that are each concentric with the shaft, the lubrication hole being positioned between the inner and outer bands of friction lining, the lubrication system, comprising: a differential supply passage positioned in the differential housing; and a plate passage, wherein the plate passage is positioned in the reaction plate, the plate passage is in fluid communication with the differential supply passage, and the plate passage is in intermittent fluid communication with the lubrication hole.