Device and method for loading and unloading a sheet-like medium

Details Device and method for loading and unloading a sheet-like medium Device and method for loading and unloading a sheet-like medium

1998-08-07

1999-10-26

Terrell, William E.

Sheet feeding or delivering

Feeding

By means to convey sheet

271196, 271184, 271303, 346138, H04N 108

Patent

active

059713933

ABSTRACT:
The present invention relates to a device and a method for unloading a sheet medium from a vacuum drum which may be a vacuum drum of an imagesetter for example, or a vacuum drum of an input scanning machine. The unloading is facilitated by the stiffness of sheet medium. When the vacuum holding a sheet medium is released, the stiffness of the sheet medium causes the sheet to separate from the drum. A roll forces the sheet onto the drum and the motion of the drum forces the sheet medium onto a table which has been moved into proximity of the drum. The sheet travels onto a transport mechanism which eventually takes over the moving of the sheet medium without requiring synchronism between the drum rotational speed and the transport mechanism.

REFERENCES:
patent: 4157178 (1979-06-01), Ollendick
patent: 4268841 (1981-05-01), Fujii et al.
patent: 4395949 (1983-08-01), Jeschke
patent: 5211391 (1993-05-01), Kerr et al.
patent: 5355156 (1994-10-01), Balzeit et al.

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