| 摘要 |
A continuously-variable speed transmission for motor vehicles, which transmission comprises an input variable pitch pulley arranged on the input shaft of the transmission, an output variable pitch pulley arranged on the output shaft of the transmission, an endless belt interconnecting the input and the output variable pitch pulleys, a forward-drive planetary gear mechanism disposed on one axial side of the variable pitch pulley arranged either on said input shaft or on said output shaft, and a reverse-drive planetary gear mechanism disposed on the other axial side of said variable pitch pulley.
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