Vacuum corrugated duplex tray having oscillating side guides

Details Vacuum corrugated duplex tray having oscillating side guides Vacuum corrugated duplex tray having oscillating side guides

1995-03-06

1997-06-03

Milef, Boris

Sheet feeding or delivering

Delivering to stack and feeding therefrom

Aligning at stack

271 307, 271 94, 271 98, 271104, 271105, 271106, 271160, 271161, 271167, 271209, 271220, 271221, B65H 522, B65H 314, B65H 334, B65H 3126

Patent

active

056346344

ABSTRACT:
A device for transporting material, in the form of discrete sheets, seriatim to a stack of discrete sheets, and subsequently seriatim away from such stack. The discrete sheet material transport device comprises a support for a stack of discrete sheets. The stack support includes a first stop for a first marginal edge of a discrete sheet, and opposed second and third stops for opposed marginal edges of a discrete sheet perpendicular to the first marginal edge of such discrete sheet. Discrete sheets are delivered seriatim to the vicinity of the stack support and are urged in a first direction into engagement with the first stop to form a stack of discrete sheets on the stack support. The discrete sheets are subsequently urged seriatim in a direction opposite the first direction to remove discrete sheets seriatim from the stack on the stack support. The second and third stops are located to accurately position the stack of discrete sheets on the stack support. Further, the second and third stops are substantially simultaneously oscillated to maintain such stack in the accurate position as such discrete sheets are urged to and from the stack on the stack support.

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