| 摘要 |
In a planetary or star gear transmission to be used with an industrial robot and having at least one pair of intermediate gears (8a, 8b), arranged between a sun gear (5) and an internal gear (7); the intermediate gear support shafts (9a, 9b), are relatively mounted or set so that the rotating direction of the sun gear (5) can be changed with substantially no backlash. To achieve this each intermediate gear support shaft 9b has its axis offset a distance delta , whereby the gears (8a) mesh with the internal gear (7) in one direction of rotation whereas the gears (8b) mesh with gear (7) in the opposite direction. <IMAGE> |
