| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a continuously variable transmission which improves productive efficiency by reducing a time and effort of oil channel processing in such a way that an oil channel, communicating a cylinder to which hydraulic pressure is supplied and oil channel arranged within a drive shaft, is constructed in a simple structure. Ž<P>SOLUTION: The transmission, which includes a primary pulley 51 which is constituted of a drive-side fixing sieve 62 fixed to a drive shaft 61, a drive-side movable sieve 63 and drive-side cylinder member 64 and has a drive-side cylinder 64c, a secondary pulley 52 which is constituted of a driven-side fixing sieve 72 fixed to a driven shaft 71, a driven-side movable sieve 73 and driven-side cylinder member 74, and has a driven-side cylinder 74c, and driving belt 53, wherein: the drive-shaft 61 has an oil channel 61r within the drive shaft for supplying the hydraulic pressure to the drive-side cylinder 64c; and drive-side communicating oil channel 65r, which is formed between the drive-side cylinder member 64 and drive-side movable sieve 63, and communicates the oil channel 61r within the drive shaft and drive-side cylinder 64c, is formed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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