Image forming system and finisher

Details Image forming system and finisher Image forming system and finisher

1996-09-18

1998-12-22

Lee, Shuk

Electrophotography

Document handling

Copy

270 5809, 399410, G03G 1500, B65H 3506

Patent

active

058527656

ABSTRACT:
A finisher unit receives a sheet discharged from a copying machine, and in a folding/punching mode, the sheet is conducted into a longitudinal transport path. A fold/punch mechanism includes a pair of folding rollers and a punching rod. The sheet fed into the longitudinal transport path goes in contact, at its leading edge, with a nip portion between transport rollers which are in the state of rotation stop, whereupon a center portion of the sheet is bent to be threaded between the folding rollers and transported to the punching rod. When the bent portion of the sheet is transported by a given distance, the punching rod operates one vertical stroke to provide a punch hole to the sheet.

REFERENCES:
patent: 4640611 (1987-02-01), Ohdake et al.
patent: 4763167 (1988-08-01), Watanabe et al.
patent: 4917366 (1990-04-01), Murakami et al.
patent: 4973036 (1990-11-01), Yamashita et al.
patent: 4981293 (1991-01-01), Yamashita et al.
patent: 5323221 (1994-06-01), Tomimori et al.
patent: 5442432 (1995-08-01), Tani

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