| 摘要 |
The present invention relate to a stepless variable gear device (1) comprising power transmission parts (2), which are rotatable around a rotational axis and radially movable, with variable radius of a circumferential path for transmission parts (3) cooperating with said gear device. The power transmission parts (2) have a disc like extension and are positioned in planes located in the circumference direction and coinciding with said rotational axis. The power transmission parts (2) are radially displaceable in holder parts (4) and at least one operation part is provided for displacement of said power transmission part (2) in radial direction. The peripheral positioned edge portion of the power transmission parts (2) forms circumferential path for said transmission part (3). |
