| 摘要 |
The unit has a pair of pitch circles (5, 6) formed in such a manner that a pair of chain pins (3A, 3C) is in contact with the unit on the pitch circle (5) and another pair of chain pins (3B, 3D) is in contact with the unit on the pitch circle (6). The chain pins comprises rotatable, slidable and/or tiltably supported chain rollers and/or chain blades, over which the chain pins come into contact with the unit, where the unit is formed as a chain wheel (1) with teeth (7). |
