| 摘要 |
PURPOSE:To make the tuning of both fine and coarse adjustments possible to be done with one dial knob alone, by installing a plate spring and those of a clutch receiver shaft, a clutch knob shaft and a clutch fine adjusting shaft all molded with plastics, in position between a main shaft and a fine adjustment shaft. CONSTITUTION:A plate spring 6 and those of a clutch receiver shaft 2, a clutch knob shaft 3 and a clutch fine adjustment shaft 5 all molded with plastics are interposingly installed in position between a main shaft 1 and a fine adjustment shaft 4. With this constitution, when the clutch knob shaft 3 is pulled, this shaft 3 engages with the clutch fine adjustment shaft 5 as one body as well as when the knob shaft 3 is pushed the other way, the clutch knob shaft 3 and the clutch receiver shaft 2 are engaged with each other as one body so that the tuning of both fine and coarse adjustments can be performed with a dial knob 38 alone. |
