Attached Platen Patents (Class 355/131)
  • Patent number: 3944367
    Abstract: Disclosed is a copyboard cover for covering and holding in position documents placed upon a copyboard of a photographic copying machine. The copyboard cover in its preferred embodiment includes a frame, means for reciprocating the frame to and from a load position uncovering the copyboard for placement of a document on the copyboard and a copy position covering the document and the copyboard, a light-blocking cover material for covering the copyboard when the frame is in the copy position to block out undesirable light, a pressure plate mounted within the frame for holding the document flat against the copyboard, and means for reciprocating the pressure plate towards the copyboard in response to the frame moving into the copy position and from the copyboard in response to the frame beginning movement back to the load position.
    Type: Grant
    Filed: April 5, 1974
    Date of Patent: March 16, 1976
    Assignee: Scott Paper Company
    Inventors: Nils L. Hakanson, Albert F. Touchette