| 摘要 |
<p>The device includes two spaced-apart, intersecting, reciprocating control rods (1,2), with a toothed ring (3) between them. The outer teeth engage with driven gear wheels (4) arranged on drive shafts. A planetary gearwheel (5) is arranged in the toothed ring and has bearings (6,7) which cooperate with respective control rods. The toothed ring also has inner teeth. The planetary gearwheel has outer teeth which engage with the inner teeth of the toothed ring.</p> |
