| 摘要 |
PURPOSE:To permit a simple and easy fine manipulation of an advance and a retreat of ink fountain keys by providing various means of a manipulation of fulcrum movement, an electrical fine operation for adjustment and manual fine manipulation for adjustment. CONSTITUTION:In an upper position of the rear of each ink fountain key 8, a female screw 14 is bored in the rear end of a fulcrum holder 13 which makes advance and retreat movements, and a screw shaft 15 for a zero-point adjustment is threaded therein, and additionally, into female screw pipes 13 that are provided in the lower position of the rear of each ink fountain key 8, a screw shaft 17 for fine adjustment is threaded. To the outer tip of the above screw shaft 15 for the zero-point adustment a dial knob 28 with graduations is fixed and a manual knob 29 is installed on the outer tip of the screw shaft 17 for fine adjustment. In the manner stated above, manipulation of fulcrum movement with the dial knob 28 and fine manipulation of adjustment by an electric motor enable a fine adjustment of advance and retreat of an ink fountain key 8. |
