Accumulation device with pivot roller

Details Accumulation device with pivot roller Accumulation device with pivot roller

2005-04-12

2005-04-12

Mackey, Patrick H. (Department: 3651)

Sheet feeding or delivering

Feeding

By means to convey sheet

C271S189000, C271S272000, C271S274000, C053S569000, C053S284300

Reexamination Certificate

active

06877743

ABSTRACT:
This invention relates to a document accumulation device comprising an accumulation receptacle provided with a mobile accumulation guide for receiving a bundle of documents to be folded and drive means constituted by a motor roller driven in rotation by motor means and associated with a free counter-roller adapted to pivot about a pivot pin, in order, on the one hand, to drive and align these documents one after the other against the accumulation guide and, on the other hand, thereafter to eject in one go the bundle of documents thus formed by accumulation in said receptacle, this device further comprising displacement means, constituted by an electro-magnet of which the core having two positions of displacement is connected to a piece supporting said free counter-roller, in order to position these drive means, on the one hand, in a first position in which they are subjected to a rathermore weak drive effort to ensure drive and alignment of the documents and, on the other hand, in a second position in which they are subjected to a rathermore strong drive effort to ensure ejection of the bundle of documents.

REFERENCES:
patent: 4826383 (1989-05-01), Millen
patent: 5265866 (1993-11-01), Greive
patent: 5507129 (1996-04-01), Joson et al.
patent: 5577718 (1996-11-01), Hatch
patent: 5727923 (1998-03-01), Michel
patent: 5785638 (1998-07-01), Bristo et al.
patent: 5871433 (1999-02-01), Lehmann et al.
patent: 6226959 (2001-05-01), Krasuski et al.
patent: 1 060 905 (2000-12-01), None

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