Patent ID: 6705419
Filing Date: 2004-03-16
Classification: B62D

Abstract:
A drive-by wire steering system, comprising:a steering shaft being configured for a first angular displacement about a first axis, said steering shaft comprising a first geared portion and a first end, said first end being connectable to a vehicle's steering wheel; and a center feel mechanism comprising a cam face, an urging member and a second geared portion, said first geared portion and said second geared portion being operatively engaged such that said first angular displacement of said steering shaft imparts a second angular displacement about a second axis to said center feel mechanism, said cam face and said urging member being configured to generate a returning torque to said center feel mechanism, said returning torque having a direction opposite said second angular displacement, wherein said cam face comprises a center position and a symmetrical cam profile defined on both sides of said center position, said center position and said symmetrical cam profile being convex relative to an axis of rotation of said cam face.