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US 2003/0197325 A1Published application
Paper conveyance guiding apparatus for duplex printer
AssigneeSamsung Electronics Co., Ltd.
InventorByung-Sun Ahn
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AssigneeSamsung Electronics Co., Ltd.
InventorByung-Sun Ahn
Estimating the term…
A paper conveyance guiding apparatus of a duplex printer has an entrance passage disposed at one side of a printing unit to form a predetermined image on a paper and guide the paper to enter into the printing unit, a discharge and reverse passage formed to connect an outlet of the printing unit to an outside of a printer body and guide discharging of the paper and reversing of the paper to an inlet of the printing unit, an intermediate passage formed to connect the discharge and reverse passage to the entrance passage and guide the reversed paper to reenter into the printing unit through the entrance passage, and a reversible rotation roller disposed at a branching point of the discharge and reverse passage and the intermediate passage and discharge the paper coming out from the outlet of the printing unit by rotating forwardly and push the paper to the intermediate passage by rotating backwardly.
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A paper conveyance guiding apparatus in a duplex printer having a printer body and a printing unit, comprising:
A paper conveyance guiding apparatus in a duplex printer having a printing unit printing and fixing an image on a new sheet and a reversed sheet, comprising:
Dependencies are inferred from the claim text.
From the US filing history. Foreign family members aren’t listed.
Backward citations are indexed for grants only.
Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed: for printing on both faces of…
Delivering or advancing articles from machines; Advancing articles to or into piles: by contact with rotating friction members, e.g. rollers,…
Involving the combination of more than one step according to groups G03G13/02 - G03G13/20: specially adapted for copying both sides of an original…
Typewriters
Term end not estimated
This application claims the benefit of Korean Patent Application No. 2002-21511, filed Apr. 19, 2002, in the Korean Industrial Property Office, the disclosure of which is incorporated herein by reference.
1. Field of the Invention
The present invention relates to an apparatus for guiding conveyance of a sheet of paper in a duplex printer, which guides and reverses the paper in the duplex printer for duplex printing, and more particularly, to a paper conveyance guiding apparatus having a shortened paper reverse passage and a reversible rotation roller in a duplex printer.
These and other objects and advantageous of the invention will become apparent and more readily appreciated from the following description of the preferred embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a partial view schematically showing a duplex printer having a conventional paper conveyance guiding apparatus;
FIGS. 2 through 4 are partial views showing the operation of the paper conveyance guiding apparatus of a conventional printer shown in FIG. 1;
Reference will now be made in detail to the present preferred embodiment of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiment is described in order to explain the present invention by referring to the figures.
Hereinbelow, an embodiment according to the present invention will be described in greater detail by referring to the appended drawings. Elements having the same structure and operation as the conventional art of FIGS. 1-4 will be given the same reference numerals in describing the embodiment of the present invention.
As shown in FIGS. 5 through 8, a paper conveyance guiding apparatus of a duplex printer according to an embodiment of the present invention has an entrance passage 20, a single discharge and reverse passage 60, an intermediate passage 50 and a single reversible rotation roller 70.