Document-handling apparatus

Claim 1

In a reproduction machine wherein a document to be reproduced is gripped by a document drum and rotation therefore moves the document in a path of movement past an exposure slot including a movable cover plate secured to said machine having an aperture therein to permit the passage of the leading edge of the document to adjacent the document drum and at least one surface thereon for guiding a document through said aperture into communication with said drum, means pivotally supporting said movable cover plate in a first position with said surface arranged to guide a sheet into communication with the document drum and a second position with said aperture elevated above the document drum to permit operator access to said document drum upon the upward pivoting of said housing cover plate, a bar mounted within the machine adjacent the aperture and extending downwardly to a point above the document drum when the cover plate is in a first sheet guiding position, means resiliently biasing said bar toward said aperture and, electrical means operatively connected to said bar and to said document drum activated by movement of said bar away from said aperture to cause inactivation of the document drum.