Device for opening bindery line signatures

Details Device for opening bindery line signatures Device for opening bindery line signatures

1991-10-03

1992-11-10

Look, Edward K.

Sheet-material associating

With printing

Personalized printing

270 54, B41F 1354

Patent

active

051617900

ABSTRACT:
An improved plow construction for a signature printing system wherein a collating conveyor chain moves past a plurality of signature feeder stations which cooperatively build-up books on said chain and wherein a signature lifting plow device and a signature printer cooperate to effect printing on an inside page of signature. The improved plow device is constructed with a configured-sheet deflection element having: (i) a lead edge region located at an upstream position and extending generally radially below said conveyor chain; (ii) a trail end region located at a downstream position and extending generally radially from said conveyor chain, above said lead edge region and (iii) an intermediate section having a curved surface joining said lead and trail edge regions.

REFERENCES:
patent: 4149711 (1979-04-01), Jackson
patent: 4395031 (1983-07-01), Gruber et al.
patent: 4401300 (1983-08-01), Morin
patent: 4486011 (1984-12-01), Rhunke

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