| 摘要 |
PURPOSE: A synchronizer using a synchronizer key having a spring is provided to easily perform assembly operations by assembling a synchronizer key mechanism under a condition, which a synchronizer hub and a sleeve are combined, and to move a case having the spring back and forth and accordingly regulate spring force without replacing the spring. CONSTITUTION: A synchronizer using a synchronizer key having a spring(55b) is composed of a synchronizer hub spline-combined to a main shaft with having gears at an outer peripheral surface and notch parts at three parts of the outer peripheral surface; a sleeve(52) rotating with being spline-combined to the synchronizer hub and having three holes(52'); a clutch gear(53) formed at a side of a speed gear which is combined to the main shaft by a bearing and rotated; a synchronizer ring combined to a cone part of the clutch gear for synchronizing with the clutch gear in the sleeve moving; and a synchronizer key mechanism(55) combined to the holes of the sleeve. The synchronizer key mechanism transmits power by contacting a front end of the synchronizer key mechanism to the notch part of the synchronizer hub.
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