Document feeder for moving platen copiers

Details Document feeder for moving platen copiers Document feeder for moving platen copiers

G - Physics

03

B

270/118

G03B 27/62 (2006.01) G03G 15/00 (2006.01)

Patent

CA 1291491

ABSTRACT OF THE DISCLOSED EMBODIMENTS In a copier with a moving platen document imaging system, wherein the platen is a part of a moving platen unit reciprocally driven relative to the stationary body of the copier, with a document on, and moving with, the platen being imaged by the copier in an imaging movement of the moving platen unit, the improvement including an automatic document feeder for automatically feeding documents on to and off of the platen solely utilizing the reciprocal movement of the moving platen unit, including a document feeding system mounted to the moving platen unit for reciprocal movement therewith but rotatable relative to the platen for movement of documents relative to the platen, and a motion converting system for mechanically converting the reciprocal motion of the moving platen unit in at least one direction of movement thereof into appropriate intermittent rotation of the document feeding system for intermittently rotatably driving the document feeding system at a document feeding velocity substantially different from the reciprocal movement velocity of the moving platen unit, so as to feed a document on to and over the platen while the platen is reciprocally moving, and a system for automatically disengaging the document feeding system from the motion-converting system for holding a document on the platen without relative movement between the document and the platen during the imaging movement of the document and the platen.

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