Automatic plate making machine equipped with photosensitive printing plate supplying apparatus and printing plate packaging means

A photosensitive printing plate supplying apparatus comprising:

• printing plate packaging means which accommodates a bundle of photosensitive printing plates and which has an opening/closing lid which can open and close a supply opening through which the photosensitive printing plates are taken out;
• a printing plate accommodating portion which can be opened/closed, and to which said printing plate packaging means is removably attached when the accommodation portion is in an opened state, the supply opening being closed by the opening/closing lid of said printing plate packaging means when said printing plate packaging means is attached to said printing plate accommodating portion, and which is completely shielded from light when the accommodation portion is in a closed state;
• taking-out/conveying means which takes out the photosensitive printing plates one by one from the interior of said printing plate packaging means whose supply opening is opened in said printing plate accommodating portion in the closed state, and conveys the photosensitive printing plate to a predetermined position;
• and
• lid opening/closing means which, when the taking-out operation by said taking-out/conveying means is started, moves the opening/closing lid of said printing plate packaging means to an opening position in which the supply opening is opened, and after the taking-out operation by said taking-out/conveying means is completed, said lid opening/closing means returns the opening/closing lid of said printing plate packaging means to a closing position in which the supply opening is closed.