Typewriting machines – Sheet or web – For feeding web record-medium
Patent
1989-12-22
1991-08-13
Eickholt, Eugene H.
Typewriting machines
Sheet or web
For feeding web record-medium
226199, 312208, 270 39, 493410, B41J 1158
Patent
active
050392425
ABSTRACT:
A Z-fold paper elongated guide having a width approximately the with of Z-fold computer paper is positioned at the exit of a platen/printer carriage interface in a keyboard-operated computer printer or integrator. The guide not only guides printed-on paper sheets to a printed-on paper storage bin or surface but allows Z-fold paper sheets to be hand directed forwardly toward the computer keyboard for floor storage of the paper in front of the printer. A pair of hump-like rails extend on the top surface of the guide to open up the angle of repose between adjacent Z-fold sheets when the sheets are being reversed in driven direction so as to be transported back through the platen/printer carriage interface. The rails are sloped upwardly in a rearward direction at about 13.degree. and extend to a position juxtaposed to but not touching a transverse rear tear edge of the guide. The rails open up the angle between the folded sheets as they approach the tear bar edge so that a sharp acute angle crease is not formed which would otherwise would tend to hand-up on the guide tear edge causing jamming or unwanted tearing of the Z-fold sheets.
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"Fan-Fold Paper Rack" IBM Technical Disclosure Bulletin, vol. 4, No. 1, 6/61, p. 1.
Eickholt Eugene H.
Killworth, Gottman Hagan & Schaeff
Spectra-Physics Inc.
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