EP0210045A2 - Blattsortierer - Google Patents

Blattsortierer Download PDF

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Publication number
EP0210045A2
EP0210045A2 EP86305471A EP86305471A EP0210045A2 EP 0210045 A2 EP0210045 A2 EP 0210045A2 EP 86305471 A EP86305471 A EP 86305471A EP 86305471 A EP86305471 A EP 86305471A EP 0210045 A2 EP0210045 A2 EP 0210045A2
Authority
EP
European Patent Office
Prior art keywords
sheet
bin
wings
fed
sorter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86305471A
Other languages
English (en)
French (fr)
Other versions
EP0210045A3 (en
EP0210045B1 (de
Inventor
Peter Melnik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of EP0210045A2 publication Critical patent/EP0210045A2/de
Publication of EP0210045A3 publication Critical patent/EP0210045A3/en
Application granted granted Critical
Publication of EP0210045B1 publication Critical patent/EP0210045B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/10—Associating articles from a single source, to form, e.g. a writing-pad
    • B65H39/115—Associating articles from a single source, to form, e.g. a writing-pad in juxtaposed carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/24—Pile receivers multiple or compartmented, e.d. for alternate, programmed, or selective filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/06—Office-type machines, e.g. photocopiers

Definitions

  • This invention relates to sheet sorters, by which is meant a device for inserting a series of identical copy sheets, such as issue from a xerographic copier, into individual bins or like receptacles.
  • the number of bins is always equal to or greater than the number of copies, and the sorting operation is repeated as many times as is necessary to complete each set of copies, so that each bin holds a complete set.
  • each bin In order to reduce the volume of the sorter, it is desirable to make the area of each bin less than the area of the sheets it is intended to house.
  • One way of accommodating this is to arrange for each of the bins to be inclined at an acute angle to the vertical, so that the 'excess' area of sheet projects beyond the respective bin. This then raises the problem of how to ensure that the projecting area of the sheet does not flop over and interfere with sheets being fed into adjacent bins.
  • the present invention aims at providing a shape of bin which automatically curves each sheet as it is being fed in, so as to give the sheet sufficient beam strength for projecting part of each sheet to be self-supporting.
  • the present invention therefore provides a sheet sorter which is as claimed in the appended claims.
  • the sorter of the present invention includes a horizontally-aligned series of individuals tray 2, of which each has its major support surface 4 inclined at an acute angle to the vertical. At its bottom edge, each tray 2 is provided with a horizontal flanged lip 6. As shown more clearly in Figure 3, the tray is formed with two asymmetrical wings 8 and 10. Also as shown in Figure 3, the flanged lip 6 can be interrupted with a series of 'cuts-out' 12, but these are not essential: both the flange 14 and the contiguous portion 16 of the lip could be continuous.
  • the lines 18 along which the wings 8 and 10 are folded lie at such an angle to the horizontal that the outer edges of the wings are vertical when the major surface 4 of the tray is at its working angle to the vertical.
  • the horizontal spacing-apart between adjacent and parallel trays 2, in order to define the intermediate sheet-receiving bins 20 is such as to ensure that both wings 8 and 10 overlap the inclined wall of the opposing bin, for purposes which will be discussed below.
  • the sorter of this invention is intended to be of the bottom-fed type, in which aligned with the respective bin 20 is a pair of feed rolls 22 designed to expel a sheet 24 fed into the interior of bin 20, along the direction indicated by arrow 26.
  • the output from a xerographic or other copier is normally supplied along a horizontal output path (not shown) but at one end of which is a pair of feed rolls 28. These rolls grip each sheet being fed and pass it through a pair of curved guide surfaces 30 which act to deflect the sheet 24 from the horizontal path on which it enters feed rolls 28 to a path extending in parallel with the major axis of the bin 20.
  • either the sheet-feed device 32 shown in Figure 1 is indexed along to the next bin, or the aligned series of trays is indexed relatively in the appropriate direction to the same effect. This process is repeated as many times as there are sheets to be sorted or bins to receive them.
  • FIG. 2 illustrates the mode of operation of the present invention, from which Figure some parts have been omitted for clarity.
  • the sheet 24 being fed into bin 20 is originally planar. When its lead edge is spaced sufficiently from the feed rolls 22, the weight of the paper causes the lead edge to start to droop towards the tray 2. In so doing, one or both of its sides or corners with the lead edge come into contact with one or both of the wings 8 and 10. If the sheet being fed is of sufficiently-stiff material, it will resist assuming a more-curved shape across the width of the paper transverse to the feed direction 26 until after the lead edge has contacted the rear surface of the opposing tray.
  • each sheet has the opposing tray pushing down on the centre of the lead edge, and the side edges pushed upwardly by contact with the respective wings 8 and 10, so that a curvature is induced in the sheet which increases with distance from the trail edge.
  • the speed with which each sheet is fed into the bin 20 is such that the sheet has its trail edge completely enter the bin 20 before the force of gravity stops the upward movement of the sheet and causes it to fall down so that its trail edge comes to rest on lip 6, which tends to cause each trail edge to remain straight, whereas the lead edge has by now assumed the shape of a relatively-uniform curve.
  • the relatively-simple tray shape offers the significant advantages that the larger the sheets which are fed into the bins, then the greater is the amount of curvature induced, and therefore the necessary increased beam strength.
  • the amount of curvature increases with distance from the trail edge, which is itself directly supported so as to locate its position and ensure that the differentially-curved sheet is not displaced by gravity from the bin by virtue of the fact that its centre of gravity is above the top surface of the bin.
  • the present invention provides a sheet sorter of the bottom-fed type, in which a series of trays of identical and simple design induce curvature in sheets being fed into the bin so formed that the portions of the fed sheets which project beyond the top of the bins are self-supporting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Pile Receivers (AREA)
EP19860305471 1985-07-17 1986-07-16 Blattsortierer Expired EP0210045B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08518084A GB2178008A (en) 1985-07-17 1985-07-17 Sheet sorter bin
GB8518084 1985-07-17

Publications (3)

Publication Number Publication Date
EP0210045A2 true EP0210045A2 (de) 1987-01-28
EP0210045A3 EP0210045A3 (en) 1987-12-09
EP0210045B1 EP0210045B1 (de) 1990-10-10

Family

ID=10582442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860305471 Expired EP0210045B1 (de) 1985-07-17 1986-07-16 Blattsortierer

Country Status (5)

Country Link
EP (1) EP0210045B1 (de)
JP (1) JPH07115792B2 (de)
CA (1) CA1262152A (de)
DE (1) DE3674846D1 (de)
GB (1) GB2178008A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0826617A2 (de) * 1996-08-30 1998-03-04 Hewlett-Packard Company Bilderzeugungsgerät mit einer Bildträger-Auffangablage, Ablage dafür une Verfahren zum Entwurf einer solchen Ablage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808700A1 (de) * 1971-10-05 1978-09-21 Ibm Ablenkeinheit fuer blattsortiereinrichtung
GB2066217A (en) * 1979-11-29 1981-07-08 Dendoki Nv Sorting apparatus
FR2529183A1 (fr) * 1982-06-23 1983-12-30 Gradco Systems Inc Trieuse de feuilles de papier, notamment des photocopies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184453U (ja) * 1982-06-02 1983-12-08 オリンパス光学工業株式会社 複写機等の分類装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808700A1 (de) * 1971-10-05 1978-09-21 Ibm Ablenkeinheit fuer blattsortiereinrichtung
GB2066217A (en) * 1979-11-29 1981-07-08 Dendoki Nv Sorting apparatus
FR2529183A1 (fr) * 1982-06-23 1983-12-30 Gradco Systems Inc Trieuse de feuilles de papier, notamment des photocopies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0826617A2 (de) * 1996-08-30 1998-03-04 Hewlett-Packard Company Bilderzeugungsgerät mit einer Bildträger-Auffangablage, Ablage dafür une Verfahren zum Entwurf einer solchen Ablage
EP0826617A3 (de) * 1996-08-30 1999-01-13 Hewlett-Packard Company Bilderzeugungsgerät mit einer Bildträger-Auffangablage, Ablage dafür une Verfahren zum Entwurf einer solchen Ablage

Also Published As

Publication number Publication date
EP0210045A3 (en) 1987-12-09
CA1262152A (en) 1989-10-03
GB2178008A (en) 1987-02-04
JPH07115792B2 (ja) 1995-12-13
GB8518084D0 (en) 1985-08-21
DE3674846D1 (de) 1990-11-15
EP0210045B1 (de) 1990-10-10
JPS6251560A (ja) 1987-03-06

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