Patent ID: 7922615
Filing Date: 2011-04-12
Classification: B60K,F16H

Abstract:
1. A transfer case, comprising: an input shaft; first and second output shafts; a range unit driven by said input shaft; a range clutch for releaseably coupling said first output shaft to one of said input shaft and said range unit; a mode clutch for providing variable engagement between said first and second output shafts; a driveshaft; a power-operated device for bi-directionally rotating said driveshaft; a range actuator assembly for converting rotation of said driveshaft into translation of said range clutch; and a mode actuator assembly for converting rotation of said driveshaft into a clutch engagement force exerted on said mode clutch, said mode actuator assembly including a cam mechanism operable to exert said clutch engagement force on said mode clutch, a sector member coupled to said cam mechanism and having a first and second cam surfaces, and a mode cam driven by said driveshaft and having a first follower engageable with said first cam surface and a second follower engageable with said second cam surface.