In a transmission comprising a driving force source, an oil pressure source that generates oil pressure using a driving force from the driving force source, a first power transmission unit having a first mechanical biasing mechanism, and a second power transmission unit having a second mechanical…

The device (1) has pistons that are longitudinally moved for adjusting the transmission shift rod arranged at opposite ends of pistons and a cylinder device (4) that is formed with two portions for receiving the piston cylinder chambers. The cylinder chambers are connected to each other and are…