Patent ID: 6334367
Filing Date: 2002-01-01
Classification: F16H,Y10T

Abstract:
The parallel shaft transmission comprising:a first input shaft, a second input shaft, and a counter shaft, which are disposed parallel with one another; at least one set of first speed ratio gear train, each set including a first speed ratio drive gear which is disposed on said first input shaft and a first speed ratio driven gear which is disposed on said counter shaft, said first speed ratio drive gear and said first speed ratio driven gear meshing with each other; at least one first clutching means which is disposed on said first input shaft, said first clutching means rotationally connecting and disconnecting said first speed ratio drive gear to and from said first input shaft, respectively; at least one set of second speed ratio gear train, each set including a second speed ratio drive gear which is disposed on said second input shaft and a second speed ratio driven gear which is disposed on said counter shaft, said second speed ratio drive gear and said second speed ratio driven gear meshing with each other; at least one second clutching means which is disposed on said second input shaft, said second clutching means rotationally connecting and disconnecting said second speed ratio drive gear to and from said second input shaft, respectively; and a connection gear train used for power transmission from said first input shaft to said second input shaft through a gear provided on an idle shaft which is disposed parallel with said first input shaft; said parallel shaft transmission is a five speed ratio transmission; said first speed ratio gear train comprises a fourth speed gear train and a fifth speed gear train; said first clutching means comprises a fourth speed clutch and fifth speed clutch; said second speed ratio gear train comprises a LOW gear train, a second speed gear train and a third speed gear train; and said second clutching means comprises a LOW clutch, a second speed clutch and a third speed clutch.