Patent ID: 6238316
Filing Date: 2001-05-29
Classification: F16H,G01P

Abstract:
A speed sensing differential axle mechanism for sensing a rotational speed of at least one component, said mechanism comprising:a differential assembly including a gear carrier, a differential case including a pair of opposed support trunnions, said case rotatably supported in said gear carrier by said pair of opposed trunnions, said differential case further including a body portion positioned intermediately of said trunnions, said body portion disposed for containing a differential gear set including a cross shaft supporting a pair of differential pinions, and a pair of side gears in mesh with said pinions, said body portion including a ring gear flange adapted to be mounted to a ring gear,a roll-formed tone wheel comprising a plurality of spaced teeth formed by at least one roll-forming die and a pair of opposing edges running along a length on opposite sides of said roll-formed tone wheel wherein said opposite edges are exposed to an open environment adjacent said roll-formed tone wheel;an electronic pickup element disposed in spaced relation with respect to said teeth of said roll-formed tone wheel.