TWIN CLUTCH TYPE SPEED-CHANGE APPARATUS

摘要

A twin clutch type speed-change apparatus is provided that applies a dog clutch to speed-change gears slid on a main shaft and a counter shaft for changing the number of speed-change steps. In a twin clutch type speed--change apparatus which includes a transmission having a plurality of gear pairs between a main shaft and a countershaft and a twin clutch disposed on the main shaft, the rotational drive force of the engine being connected/disconnected between the transmission and the engine by the twin clutch, a dog clutch composed of dog teeth and a dog hole is applied to between an axially slidably attached slidable gear and an axially non-slidab ly attached non-slidable gear to select on gear pair for transmitting the rotational drive gear, from a plurality of gear pairs in the transmission. The rotation al drive force is transmitted between the slidable gear slid by a shift fork an d the coaxially adjacent non-slidable gear by engagement of the dog clutch.