Patent ID: 8201470
Filing Date: 2012-06-19
Classification: F16H,Y10T

Abstract:
1. An electronically controlled transmission having a return-type shift pattern connected to a crank shaft of an engine via a clutch, the transmission comprising: a main shaft for rotating in accordance with rotation of the crank shaft via the clutch; a drive shaft for rotating in accordance with rotation of the main shaft; a plurality of first gears for rotating about the main shaft; a plurality of second gears for rotating about the drive shaft to engage the plurality of first gears; a plurality of shift forks for moving a gear of the plurality of first gears in an axial direction of the main shaft and moving a gear of the plurality of second gears in an axial direction of the drive shaft; a shift cam provided with a plurality of grooves, the shift cam for executing a designated rotation about an axis thereof; a clutch actuator for operating the clutch; a shift actuator for rotating the shift cam; a control device for electronically controlling the clutch actuator and the shift actuator, wherein