Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent
1980-02-29
1982-03-30
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Detailed holder for original
271245, 355 3SH, G03B 2762
Patent
active
043221602
ABSTRACT:
Positive registration of an original document to the edge of a copier platen (12, 108, 208) together with unidirectional feeding across the platen is provided by intermittently pivoting the platen. Document sheets transported by document transport belts (36, 101, 202) in a movement path over the transparent copying window (12, 108, 208) of a copier and over a fixed edge member (30, 112, 220), are registered and then fed by intermittently slightly lifting with a non-imagable electrical drive (18, 102, 212) one end (20, 106, 216) of the transparent window adjacent the fixed edge member. This interposes and intermittently removes a document sheet obstructing registration surface (66, 114, 218) in the movement path of the document. The fixed edge member (30, 112) can provide manual document registration on the platen without requiring retraction for automatic document feeding.
REFERENCES:
patent: 3504908 (1970-04-01), Krueger
patent: 3536320 (1970-10-01), Derby
patent: 3720408 (1973-03-01), Horn
patent: 4043665 (1977-08-01), Caldwell
patent: 4097146 (1978-06-01), Sasamori
patent: 4132401 (1979-01-01), Gauronski et al.
patent: 4247095 (1981-01-01), May
patent: 4250538 (1981-02-01), Durbin et al.
patent: 4268022 (1981-05-01), Looney
Hayes Monroe H.
Xerox Corporation
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