| 摘要 |
An operating mechanism is provided and has an operating lever, an adjusting lever, and a valve element that is rotatably disposed in a channel, wherein the adjusting lever is connected with the valve element via a shaft. A coupling element is provided for interconnecting the positions of the operating lever and the adjusting lever. The distance of the pivot axis of the adjusting lever from a connection of the coupling element with the adjusting lever is variable as a function of the position of the adjusting lever. |
