Printer with multiple-sized sheets duplex tray assembly

Details Printer with multiple-sized sheets duplex tray assembly Printer with multiple-sized sheets duplex tray assembly

1994-12-01

1996-08-27

Bartuska, F. J.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271 303, 271314, 271301, B65H 506, B65H 2920, B65H 2968

Patent

active

055492916

ABSTRACT:
A printing machine having a sheet path for moving sheets, a buffer tray assembly for receiving and holding sheets of various sizes and orientation without skewing such sheets. The buffer tray assembly includes a sheet feeding unit, mounted adjacent to and upstream of a sheet holding unit thereof, relative to sheet movement, for feeding, seriatim and without skewing, sheets of various sizes and orientations from the path into the sheet holding unit. The sheet feeding unit includes a sheet driving roller. The sheet driving roller has a plurality of operative positions that are spaced laterally along the sheet cross-path dimension of the sheet path, and that correspond respectively to the midpoints of cross-path dimensions of the various size sheets being fed into the sheet holding unit for feeding and stacking sheets without sheet skew.

REFERENCES:
patent: 4480825 (1984-11-01), Landa
patent: 4632377 (1986-12-01), Browse
patent: 5165675 (1992-11-01), Kanaya

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