Patent ID: 7155996
Filing Date: 2007-01-02
Classification: F16H,Y10T

Abstract:
1. A lubrication system supplying oil to a main shaft and a counter shaft of a transmission gear mechanism where the main shaft and the counter shaft are disposed in a transmission case connected to a crank case of an engine, comprising an oil supply passage formed in a wall section of the transmission case for supplying oil for lubrication from a main gallery of the engine to the main shaft and the counter shaft, the oil supply passage having a passage opening at a clutch side of the transmission case, and a transmission holder of the transmission gear mechanism secured to the transmission case at the clutch side and blocking off the passage opening, an end of the main shaft extends through the transmission holder to project from the transmission case, an end of the counter shaft is covered by and rotatably supported on the transmission holder, the transmission case has one side blocked off by a side wall section integrally formed with the transmission case and one side that is open, and the transmission holder is fastened to the transmission case and closes off the open side of the transmission case.