| 摘要 |
The invention concerns a synchronous drive mechanism for roller doors or similar roller devices, the drive mechanism displacing the roller spindle along a wall-mounted bracket in which a pinion (1) is securely connected to the roller axis (8) and a spur gear (4) is rotatably mounted on the roller spindle (8), the pinion (1) engaging with a spur gear set (2, 3) which is connected to the spur gear (4) for torque transmission. |
