Sheet decurling mechanism

Details Sheet decurling mechanism Sheet decurling mechanism

1983-04-18

1985-03-19

Bray, W. D.

Manufacturing container or tube from paper; or other manufacturi

Bending

Pulling over an edge

162271, D21F 700

Patent

active

045056951

ABSTRACT:
A sheet curling/decurling mechanism for decurling copy sheets exiting the fuser apparatus of a copier is disclosed as having a compliant belt of pliable material, a curling roller forming a penetration nip with the compliant belt, the penetration nip being adapted to curl sheets to such an amount as to over curl a sheet leaving the fuser appartus. A decision gate is arranged and shaped to direct the sheet into one of two paths depending upon the degree of over curl. In one path, when slight curl is experienced, a curling device is arranged to compensate for the slight curl. In the other path, when a high degree of curl is present, a curling device is positioned to effect a high degree of reverse curl.

REFERENCES:
patent: 1969073 (1934-08-01), Hamre
patent: 2012953 (1935-09-01), Brunner et al.
patent: 2719562 (1955-10-01), Beegle
patent: 3971696 (1976-07-01), Manfredi

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