Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1976-11-26
1979-01-23
Moses, Richard L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
271 94, 271245, 355 76, G03G 1500
Patent
active
041358082
ABSTRACT:
A document feeder for an electrostatic copier of the type which includes instrumentalities for flash illuminating a document placed by an operator at the illuminating station of the copier. The document feeder includes an evacuatable enclosure having apertured upper and lower walls, and a flexible perforated belt endlessly looped about the enclosure. In addition, the document feeder includes instrumentalities for driving the belt in an endless path of travel including an upper belt run, wherein the belt perforations are disposed in air flow communication with the upper wall apertures, and a lower belt run, wherein the belt perforations are disposed in air flow communication with the lower wall apertures. When a document is delivered to the upper belt run, air drawn through the belt perforation holds the document in contact with the belt as the belt feeds the document to the lower belt run, where air drawn through the belt perforations holds the document in contact with the belt as the belt moves the document through the copier's illuminating station. Preferably, apparatus is provided for blocking movement of the document, but not the belt, through the illuminating station. During such time as the document is blocked, the moving belt slips relative to the blocked document.
REFERENCES:
patent: 3241831 (1966-03-01), Axlid
patent: 3309078 (1967-03-01), Nash
patent: 3473035 (1969-10-01), Gardner et al.
patent: 3698706 (1972-10-01), Mihojevich
patent: 3863912 (1975-02-01), Korff
patent: 3926426 (1975-12-01), Toriumi et al.
FitzGerald Thomas R.
Moses Richard L.
Pitney-Bowes Inc.
Soltow, Jr. William D.
Wittstein Martin D.
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