| 摘要 |
The plural speed mechanical transmission system includes a driving shaft rotated at a first speed by a flywheel and a driven shaft coaxially lined with the driving shaft. Clutches having two energized states are disposed adjacent the ends of the shafts, with the clutches operable in a first state to connect ends of the shafts for rotation of the driven shaft at the first speed. An idler gear is disposed parallel to the driven shaft and is operable to transmit motion from the driving shaft to rotate the driven shaft at a second different speed when the clutches are in a second state. Structure is connected between the idler gear and one of the shafts for allowing selective variance of the magnitude of the second speed.
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