SHEET-LIKE MEDIUM ALIGNMENT APPARATUS
First Claim
Patent Images
1. A sheet-like medium treatment apparatus, comprising:
- an ejector configured to eject a transported sheet-like medium;
a tray on which the sheet-like medium ejected by the ejector is loaded;
a tray traveling device configured to sort the sheet-like medium loaded on the tray by traveling the tray in a direction of shift substantially orthogonal to a direction of ejection of the sheet-like medium by the ejector for a predetermined distance;
an aligning device configured to align the sheet-like medium loaded on the tray and having a pair of aligning members configured to align positions of end faces of the sheet-like medium ejected by the ejector and loaded on the tray by contacting with the end faces of the sheet-like medium in parallel with the direction of the ejection to sandwich the end faces; and
a controller configured to drive the aligning device to align a sheet-like medium ejected and loaded subsequent to sorting of the sheet-like medium to a position different from a position of the sheet-like medium loaded before the sorting is carried out.
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Abstract
To ensure that the leading edge of the sheet ejected onto a tray 12 does not push and move loaded sheets in advance, loaded sheets are retained at position (II) by a retaining roller. A roller (returning roller in this case) 121 for applying external force to a sheet S ejected onto the tray 12 and moving the sheet toward a end face 131 for alignment is displaced to a different position in the direction of ejection “a”, thereby firmly gripping the trailing edge of the sheet S ejected on the tray 12.
36 Citations
24 Claims
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1. A sheet-like medium treatment apparatus, comprising:
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an ejector configured to eject a transported sheet-like medium;
a tray on which the sheet-like medium ejected by the ejector is loaded;
a tray traveling device configured to sort the sheet-like medium loaded on the tray by traveling the tray in a direction of shift substantially orthogonal to a direction of ejection of the sheet-like medium by the ejector for a predetermined distance;
an aligning device configured to align the sheet-like medium loaded on the tray and having a pair of aligning members configured to align positions of end faces of the sheet-like medium ejected by the ejector and loaded on the tray by contacting with the end faces of the sheet-like medium in parallel with the direction of the ejection to sandwich the end faces; and
a controller configured to drive the aligning device to align a sheet-like medium ejected and loaded subsequent to sorting of the sheet-like medium to a position different from a position of the sheet-like medium loaded before the sorting is carried out. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An image forming apparatus, comprising:
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an image forming device configured to form an image on a sheet-like medium;
a transporting device configured to transport the sheet-like medium on which the image is formed; and
a sheet-like medium treatment apparatus, including;
an ejector configured to eject a transported sheet-like medium;
a tray on which the sheet-like medium ejected by the ejector is loaded;
a tray traveling device configured to sort the sheet-like medium loaded on the tray by traveling the tray in a direction of shift substantially orthogonal to a direction of ejection of the sheet-like medium by the ejector for a predetermined distance;
an aligning device configured to align the sheet-like medium loaded on the tray and having a pair of aligning members configured to align positions of end faces of the sheet-like medium ejected by the ejector and loaded on the tray by contacting with the end faces of the sheet-like medium in parallel with the direction of the ejection to sandwich the end faces; and
a controller configured to drive the aligning device to align a sheet-like medium ejected and loaded subsequent to sorting of the sheet-like medium to a position different from a position of the sheet-like medium loaded before the sorting is carried out.
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23. A sheet-like medium post-treatment apparatus, comprising:
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a post-treatment device configured to carry out post-treatment of a sheet-like medium;
a transporting device configured to transport the post-treated sheet-like medium; and
a sheet-like medium treatment apparatus, including;
an ejector configured to eject a transported sheet-like medium;
a tray on which the sheet-like medium ejected by the ejector is loaded;
a tray traveling device configured to sort the sheet-like medium loaded on the tray by traveling the tray in a direction of shift substantially orthogonal to a direction of ejection of the sheet-like medium by the ejector for a predetermined distance;
an aligning device configured to align the sheet-like medium loaded on the tray and having a pair of aligning members configured to align positions of end faces of the sheet-like medium ejected by the ejector and loaded on the tray by contacting with the end faces of the sheet-like medium in parallel with the direction of the ejection to sandwich the end faces; and
a controller configured to drive the aligning device to align a sheet-like medium ejected and loaded subsequent to sorting of the sheet-like medium to a position different from a position of the sheet-like medium loaded before the sorting is carried out.
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24. An image forming post-treatment apparatus, comprising:
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an image forming unit having an image forming device configured to form an image on a sheet-like medium and a first transporting device configured to transport the sheet-like medium on which the image is formed;
a post-treatment unit configured to carry out post-treatment of the sheet-like medium ejected from the image forming unit;
a second transporting device configured to transport the sheet-like medium post-treated by the post-treatment unit; and
a sheet-like medium treatment apparatus, including;
an ejector configured to eject a transported sheet-like medium;
a tray on which the sheet-like medium ejected by the ejector is loaded;
a tray traveling device configured to sort the sheet-like medium loaded on the tray by traveling the tray in a direction of shift substantially orthogonal to a direction of ejection of the sheet-like medium by the ejector for a predetermined distance;
an aligning device configured to align the sheet-like medium loaded on the tray and having a pair of aligning members configured to align positions of end faces of the sheet-like medium ejected by the ejector and loaded on the tray by contacting with the end faces of the sheet-like medium in parallel with the direction of the ejection to sandwich the end faces; and
a controller configured to drive the aligning device to align a sheet-like medium ejected and loaded subsequent to sorting of the sheet-like medium to a position different from a position of the sheet-like medium loaded before the sorting is carried out.
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Specification