Dual mode inverter and automatic variable fold position sheet fo

Details Dual mode inverter and automatic variable fold position sheet fo Dual mode inverter and automatic variable fold position sheet fo

1998-11-23

2000-10-17

Kim, Eugene L.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493420, 271902, 271288, 271303, B31F 100, B31F 700

Patent

active

061323527

ABSTRACT:
Selectable inverting or folding of various sizes of sheets in various fold positions is provided with an integral dual mode inverting or folding apparatus including a sheet inverting chute for receiving and guiding a sheet therein and having both an input and an intermediate aperture; and a reversible servo driven sheet drive in the chute downstream of the intermediate aperture. A sheet fed into the chute for inversion is reverse driven back to the chute input. A sheet fed into the chute for folding is instead stopped at the desired folding position by the servo drive and reverse driven out of the intermediate aperture into a sheet folding nip, preferably with the assistance of a blade member moved through the intermediate aperture to buckle and push that portion of the sheet adjacent to the intermediate aperture into the sheet folding nip.

REFERENCES:
patent: 3901501 (1975-08-01), Kistner
patent: 4359217 (1982-11-01), Roller et al.
patent: 4900391 (1990-02-01), Mandel et al.
patent: 5076556 (1991-12-01), Mandel
patent: 5085625 (1992-02-01), Kojima
patent: 5131649 (1992-07-01), Martin et al.
patent: 5183246 (1993-02-01), Edwards et al.
patent: 5364332 (1994-11-01), Gray, Jr.
patent: 5377965 (1995-01-01), Mandel et al.
patent: 5540647 (1996-07-01), Weiermann et al.
patent: 5655765 (1997-08-01), Asami et al.
patent: 5720478 (1998-02-01), Carter et al.
"6/84" dated Xerox Corp. "1055" product "Technical Overview", description of a sheet "Folder/Inverter" on p. 12-10, 12-6, and 12-9.

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