Patent ID: 6254505
Filing Date: 2001-07-03
Classification: F16H

Abstract:
A differential assembly comprising:a casing which rotates about a first axis, said casing having an internal cavity;an elongate cylindrical cross pin which rotates with said casing about said first axis, said cross pin extending along a second axis through said cavity, said second axis substantially perpendicular to said first axis;a pair of pinion gears disposed within said cavity and about said cross pin, said pinion gears rotatable about said second axis;a pair of side gears disposed within said cavity, said side gears in meshed engagement with said pinion gears, said side gears rotatable about said first axis;a cross pin retention element disposed about said cross pin, said cross pin and said retention element fixed against substantial relative movement therebetween along said second axis, said retention element disposed adjacent said pinion gears; andwherein movement of said retention element relative to said casing along said second axis is restricted by said pinion gears, whereby said cross pin is retained in said casing.