Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1993-07-01

1994-10-25

Schacher, Richard A.

Sheet feeding or delivering

Feeding

With means to align sheet

271242, 271263, B65H 714

Patent

active

053582357

ABSTRACT:
A sheet feeder for stopping a conveyance of a sheet at a registration location. The sheet feeder includes: registration rollers, positioned at a registration location, for stopping a conveyance of a sheet; buckling rollers for conveying the sheet toward the registration rollers, and for conveying the sheet so that said sheet has a pressure contact with the pair of buckling rollers; a photosensor for detecting a leading edge of the sheet at a predetermined location, and for generating an edge detection signal; a driver for releasing the pressure contact of the sheet with the pair of buckling rollers; and a controller for controlling the driver to release said sheet based on the edge detection signal.

REFERENCES:
patent: 4685664 (1987-08-01), Petersdorf
patent: 4708456 (1987-11-01), Shibata
patent: 4986527 (1991-01-01), Ogoda
patent: 5080347 (1992-01-01), Funada
patent: 5140166 (1992-08-01), Gerlier

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