Sheet feed apparatus for printer or the like

Details Sheet feed apparatus for printer or the like Sheet feed apparatus for printer or the like

1980-12-23

1983-01-25

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

137599, 271276, B65H 706, B65H 720

Patent

active

043699642

ABSTRACT:
A drum (13) is provided with vacuum openings (14), (16), for suckingly holding a sheet (19) thereto for printing or the like. A sheet feed failure is detected by sensing for a drop in the level of vacuum at a vacuum source (12) below a predetermined value. Several regulators (36), (37), (38), (39) are provided for regulation to selected levels of vacuum.

REFERENCES:
patent: 3633239 (1972-01-01), Meyerhoefer
patent: 3663012 (1972-05-01), Van Den Honert
patent: 4127265 (1978-11-01), Wire et al.
patent: 4191215 (1980-03-01), Gonner
patent: 4202542 (1980-05-01), Lammers et al.

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