Active paper drop for printers

Details Active paper drop for printers Active paper drop for printers

1987-10-23

1989-01-03

Eickholt, Eugene H.

Printing

Processes

Position or alignment

101419, 271213, 400126, B41F 2100

Patent

active

047948590

ABSTRACT:
An active paper drop mechanism (20) for ink-jet printers is provided. The mechanism comprises a pair of opposed, movable rail members (22) associated with opposed walls (14) of a horizontal-disposed output collection tray (12) for receiving sheets (10) of printed media.
In particular, each rail member is provided with return spring (26) that act to maintain the rails in a closed position. In that position, the rails support a sheet of the print medium during the printing operation, thus giving the ink on the previously printed-on sheet (10') time to dry.
The rails are provided with a wing member (32) and are pivotally secured (38) in the floor of the output tray, with the pivot point spaced inwardly from the wing member. Downward pressure against the wing member thus causes the rail to rotate outward from its closed position, into a recess (24) provided in the side of the output tray. This provides sufficient clearance for the sheet to drop into the output stack. Upon release of the downward pressure, the spring causes the rail member to return to its original closed position.

REFERENCES:
patent: 2647463 (1953-08-01), Ferrar
patent: 2850214 (1958-09-01), Rooney, Jr.
patent: 3029731 (1962-04-01), Bussey
patent: 4112469 (1978-09-01), Paranjpe et al.
patent: 4575729 (1986-03-01), Ayers et al.
patent: 4694307 (1987-09-01), Toganoh et al.

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