| 摘要 |
PURPOSE:To provide the titled printer which facilitates the loading and unloading as well as the positioning of an inscription cylinder and the exchange thereof by making one side end of the inscription cylinder tapered in the surface while a concave tapered surface to fit the tapered surface on a fixture mounted on a shaft to be equipped therewith. CONSTITUTION:In a printing press which has an ink roller 4 to be coated with a printing ink on the circumference thereof, an inscription cylinder 5 with an inscription body 6 on the circumference thereof and an offset roller 7 adapted to receive an ink on the inscription body 6 and transfer it onto the surface of a semiconductor device 1, a convex tapered surface 22a is provided at one side end of the inscription cylinder 22 while a concave tapered surface 21a to fit the convex tapered surface 22a is provided on a fixture 21 fastened on a shaft 20 to be equipped with the inscription cylinder 22 with a screw 10. Then, positioning pins 23 are provided on both the tapered surfaces 21a and 22a (or the inscription cylinder 22 and the shaft 20). |
