| 摘要 |
An apparatus for extending the drive ratios and versatility of a continuously variable transmission (CVT) includes an enclosure which houses parallel input and output shafts journaled to front and rear walls of the enclosure. The input shaft receives rotative force directly from one or two CVT units. Low gear, drive gear and reverse gears are disposed upon the input shaft. Corresponding driven low gear, drive gear and reverse gears are disposed upon the output shaft. The corresponding gears are connected by positive drive belts. Coupling devices axially sliding upon splines in the input shaft in response to a shifting lever achieve low, drive, reverse and park modalities of the apparatus.
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