Patent ID: 8627739

Claim:
A single rail shift assembly for a transmission comprising, in combination, a pair of synchronizer clutches, a single, stationary shift rail, a pair of shift fork assemblies disposed for independent translation on said single, stationary shift rail, each of said shift fork assemblies including a yoke for engaging a respective one of said synchronizer clutches and ball bearing assemblies disposed between said shift fork assemblies and said single, stationary shift rail, a pair of detenting assemblies associated with a respective one of said shift fork assemblies for resisting motion of said shift fork assemblies, each of said pair of detenting assemblies including a plurality of detenting recesses, a detent ball and means for biasing said detent ball toward said recesses, and a pair of multiple position actuators for translating a respective one of said pair of shift fork assemblies on said single, stationary shift rail.