Clipboard data recorder

Claim 1

In the art of printing machines of the type adapted to use portable printing plates, a machine comprising: a base; a roller platen; a portable tray defining a printing bed, said bed having a surface to receive a printing plate, said bed removably seated on the base; said tray having at least one edge border area, a paper form holder clip located on said tray in said border area, said clip including pivot means, said pivot means and all portions of said clip lying substantially at or below the level of said bed surface which supports said printing plates; means for driving said platen and tray relative to one another in a printout path so that a part of thE tray which carries the clip completely underlies the relative path traversed by the platen and tray with the clip positioned in the path, said clip and platen being so positioned as to pass relative to one another; said tray affording a generally rectangular planar printing bed adapted to support a printing plate for having an imprint made therefrom; guide means for locating a document on a tray in fixed position to be held by said clip; means on the tray for temporarily securing the printing plate thereto; whereby any document that is fastened by the clip to the edge area of the tray will thereby be prevented from billowing when a printing operation is taking place.