Dual sheet hole punching system for the output of reproduction a

Details Dual sheet hole punching system for the output of reproduction a Dual sheet hole punching system for the output of reproduction a

1998-10-05

2000-09-19

Ellis, Christopher P.

Sheet-material associating

Associating or disassociating

Sheet associating

83618, 83624, B26F 104

Patent

active

061200158

ABSTRACT:
An on-line sheet hole punching system for punching holes in sheets outputted by a printing system, to eliminate pre-punched sheets, with a common sheet entrance path, two separate but closely vertically superposed sheet paths, a gating system alternately gating the unpunched sheets into one of said two separate sheet paths having respective separate, but shared components, sheet punching stations with commonly reciprocally vertically driven sheet punches. The sheets are alternatingly stopped and the desired hole patterns are alternatingly punched, and the sheets ejected, in the two separate sheet paths, individually punched, or punched as stacked sets. The separately punched sheets may be remerged in a common output path. Skipped pitches or other printing or output interruptions are avoided. A common vacuum system for waste paper punch-outs collection may service both punching stations.

REFERENCES:
patent: 4611741 (1986-09-01), Wilson
patent: 4632533 (1986-12-01), Young
patent: 4819021 (1989-04-01), Doery
patent: 5560309 (1996-10-01), Conley, Jr. et al.
patent: 5628502 (1997-05-01), Amarakoon
patent: 5685532 (1997-11-01), Amarakoon
patent: 5762329 (1998-06-01), Nakazato et al.

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