Patent ID: 9528603
Filing Date: 2016-12-27
CPC Classification: F16H,Y10T

Claim Text:
1. A shift-by-wire transmission system comprising: a gearbox configured and arranged to receive a rotational input and provide a select rotational output, the gearbox including a plurality of gear assemblies operationally coupled together to provide the select rotational output from the rotational input; a shift assembly operationally coupled to the plurality of gear assemblies of the gearbox to selectively change gearing of gearbox; an electric motor operationally coupled to the shift assembly to activate the shift assembly to selectively change the gearing of the gearbox; a manual shift override member coupled between the shift assembly and the electric motor, the manual shift override member configured and arranged to manually disconnect the electric motor from the shift assembly and activate the shift assembly; a shift drum having at least one groove guide having a select profile, the shift drum further having a shift drum post and a window; a shift cam operationally coupled to the shift drum, the shift cam configured and arranged to complete a shift without the aid of the electric motor, the shift cam being mounted on the shift drum post, the shift cam having a shift cam tab positioned within the window of the shift drum; and a bias member coupled to bias the shift cam in relation to the shift drum.