| 摘要 |
PURPOSE:To correct the direction of an original blindly moving on a contact glass without touching it, by installing an original placing stand turnably in an exposing plane with respect or the main body of a machine. CONSTITUTION:A support 1a formed on the main body 1 of a plate making machine, and having an almost same form as the body 1 has a structure for supporting the arculate ends 2a of an original placing stand 2 with thrust bearings 3 from below. The support 1a is provided with at least 3 thrust bearings 3 corresponding to the ends 2a. At least one of the ends 2a is provided with a partial gear 2c engaged with a pinion 4. This pinion 4 is pivotally mounted on the main body 1, and a knob 4a for rotating the stand 2 united with the pinion 4 is disclosed out of the machine. |
