Chopper folder for rotary press

Details Chopper folder for rotary press Chopper folder for rotary press

2006-04-04

2006-04-04

Huynh, Louis (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

C493S434000, C493S442000

Reexamination Certificate

active

07022059

ABSTRACT:
A chopper folder for a rotary press folds signatures which are periodically conveyed, one signature at a time, from a folding machine. The chopper folder includes a pair of folding rollers for folding a signature parallel to the conveyance direction, a prime mover, a crank arm fixed to an output shaft of the prime mover to be rotated together with the output shaft, a blade holder connected to the crank arm via a link, a chopper blade held in the blade holder and adapted to push the signature from an upper surface thereof in order to insert the signature into a space between the pair of folding rollers, and guide units for restricting motion of the blade holder such that the blade holder reciprocates only in a direction perpendicular to a conveyance plane along which the signature is conveyed.

REFERENCES:
patent: 3632104 (1972-01-01), Dugour
patent: 3817139 (1974-06-01), Desai et al.
patent: 5085625 (1992-02-01), Kojima
patent: 5222934 (1993-06-01), Ochsner
patent: 6457345 (2002-10-01), Gebert et al.
patent: 62-74650 (1987-05-01), None
patent: 5-24738 (1993-02-01), None
patent: 5-22446 (1993-03-01), None
patent: 6-199471 (1994-07-01), None
patent: 2983247 (1999-09-01), None

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