| 摘要 |
A transmission is provided to supply lubricating oil through a side of a clutch gear of a shift fork and a coupling sleeve to a clutch gear by using a side of the shift fork and the coupling sleeve. A transmission includes a rotary shaft, a shift gear rotatable relatively to the rotary shaft, a clutch gear(CG) arranged in a concave part formed at a side of the shift gear, a coupling sleeve(C3), a shift fork(F3), and a lubricating oil supply unit. A spline is installed in the coupling sleeve in order to be engaged with the clutch gear. The spline and the rotary shaft are rotated at the same time. The shift fork is used for moving the coupling sleeve along a shaft direction. The shift fork is coupled with an outer circumference of the coupling sleeve. The lubricating oil supply unit supplies lubricating oil to the clutch gear by using the side of the shift fork installed at the clutch gear and the coupling sleeve.
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