EP2223875A1 - Multi-tray sheet feeder - Google Patents
Multi-tray sheet feeder Download PDFInfo
- Publication number
- EP2223875A1 EP2223875A1 EP09153997A EP09153997A EP2223875A1 EP 2223875 A1 EP2223875 A1 EP 2223875A1 EP 09153997 A EP09153997 A EP 09153997A EP 09153997 A EP09153997 A EP 09153997A EP 2223875 A1 EP2223875 A1 EP 2223875A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tray
- feeding
- sheets
- trays
- loading position
- 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.)
- Withdrawn
Links
Images
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
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/26—Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/30—Other features of supports for sheets
- B65H2405/32—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/30—Other features of supports for sheets
- B65H2405/33—Compartmented support
- B65H2405/332—Superposed compartments
Definitions
- the invention relates to an apparatus for individually feeding sheets from a plurality of stacks.
- Such an apparatus is known from Japanese patent application 59-167423 .
- two trays each for holding a stack of sheets, are positioned above one another.
- the trays In a feeding position, the trays are located to the side of a main housing of the apparatus. From the feeding position, the trays are each pivotable about a vertical axis near a corner of the tray at the front of the housing and at the housing side of the tray to a loading position projecting to the front of the apparatus. By pivoting the trays from the side to the front of the housing, loading of the trays is facilitated.
- a common size for a package of sheets to be loaded is 500 sheets.
- Such a stack constitutes a rather heavy yet flexible structure with loose sheets on the outside which tends to flex away from the other sheets and of which the sheets easily shift relative to each other so the stack does not fit into the tray anymore.
- Such a stack is difficult to handle and many users prefer to split such a stack in two or more parts, which are loaded successively onto the tray each next part being loaded on top of a previous part.
- this object is achieved by providing an apparatus according to claim 1.
- Displacing a tray in an outward direction relative to the other trays and tilting the tray allows the top of the tray to be more easily accessible for a user to load a stack of sheets onto the tray. Because the tray is tiltable about an axis extending in its longitudinal direction, the tray can be tilted over a relatively large angle at a given maximum vertical clearance from other sheet feeders or sheets loaded therein. Vertical movability of the trays is limited because of the presence of other ones of trays above and/or underneath, which other trays may be fully loaded with a stack of sheets. Thus, accessibility of the tray for loading sheets is effectively improved within the limitations of vertical movability imposed by the presence of other trays above and/or underneath the tray.
- an apparatus 1 is schematically shown that can be mounted on or part of a system for processing sheets, such as a mail preparation system, a copying system or a printing system.
- the feeding station 1 has four sheet feeders 2, each for individually feeding sheets from a stack in the feeder.
- the sheet feeders 2 each have a tray 3-6 for supporting a stack of sheets 7 and are each provided with separating and transport rollers 8 for feeding the sheets 7 one by one.
- the trays 3-6 are each elongate for receiving a stack of elongate sheets, such as A4, letter or folio sized sheets, and arranged vertically above each other. In operation, sheets are separated and fed in a longitudinal feeding direction 9 of the tray from the stack 7 supported by the tray 3-6.
- Each of the trays 3-6 of the sheet feeders 2 can be displaced relative to the other trays in an outward direction 10 transverse to the longitudinal direction 9 from a feeding position in vertical alignment with the other trays 3-6 of the sheet feeders 2 and with a feeding path of the apparatus to a loading position out of the vertical alignment displaced to a position projecting forwardly of the other trays 3-6.
- the second tray from above 4 is in the loading position and the top of the tray 4 is clear from under the upper tray 3.
- the tray 4 in the loading position is tilted relative to its feeding position about an axis 11 extending in its longitudinal direction, such that an edge 12 of the tray 4 facing in the outward direction 10 is lowered relative to an opposite edge 13 of the tray 4.
- the tray 4 in the loading position projects relative to the other trays and is displaced towards the user, it is better accessible for loading a stack of sheets.
- the tray is particularly advantageous that the tray is better accessible from above, which is the general direction from which a stack of sheets is to be positioned in the tray.
- the edge of the tray facing the person loading a stack into the tray is lowered relative to the opposite edge of the tray, the top side of the tray is tilted towards the user and to an orientation accommodated to the orientation in which a stack of sheets can be held comfortably, which further facilitates loading of a stack onto the tray.
- the trays are suspended to be displaced outwardly first and to be subsequently tilted.
- the suspensions include straight guide rails known in the art to which the tray is suspended pivotably about an axis extending in its longitudinal direction. Furthermore guides are provided allowing pivoting movement relative to the orientation of the tray in the feeding position only if the tray is displaced outwardly to the loading position over some distance, so that scraping of the tray or of a stack of sheets loaded thereon along another tray or stack of sheets when the tray is displaced between the loading position and the feeding position is avoided.
- the combined translational and tilting movement between the loading position and the feeding position may also be achieved by providing a suspension having curved guide rails.
- the combined outward and downward displacement of the trays allows a compact arrangement of the trays in vertical alignment, yet provides an easily accessible loading position for each tray when it is displaced in the loading position. Since the trays are tiltable about axes extending in the longitudinal direction of the trays, the trays are tiltable over a relatively large angle within the confines of the limited amount of vertical space available.
- Separating and transport members 8 of the feeders are each coupled to the tray 3-6 for lifting the separating and transport members 8 relative to the tray 3-6 from a feeding position into a loading position when the respective 3-6 tray is displaced from the feeding position to the loading position.
- a supply roller of the separating and transport members 8 drags over the tray 3-6 or a topmost sheet therein when the respective 3-6 tray is displaced between the feeding position and the loading position and there is no need for the operator to manually push the separating and transport members up before displacing a tray to the loading position.
- Side guides of the feeders on the side opposite the side to which the tray is displaceable from the feeding position to the loading position may be mounted such that, when the tray of that sheet feeder is displaced from the feeding position to the loading position the side guide remains stationary. This provides more room in the tray for loading sheets and, when the tray is returned to the feeding position, the loaded stack of sheets is automatically aligned by pushing against the stationary side guide.
- both side guides 12, 13 are in fixed positions relative to the tray, so that the side guides 12, 13 move with the trays between the loading position and the feeding position.
- One or more of the trays in the loading position may also be tiltable such that the end of the tray facing in the feeding direction is lowered relative to the end of the tray facing in a direction opposite the feeding direction or such that the end of the tray facing in a direction opposite the feeding direction is lowered relative to the end of the tray facing in the feeding direction.
- an abutment may be provided on the end that is lowered. A stack of sheets loaded in a tray in the loading position as described above, can then easily be caused to slide in or opposite to the feeding direction against the abutment and be aligned in feeding direction.
- the pivoting movement causing the end of the tray at the side in feeding direction to lift or to descend may be a separate tilting movement about a second axis transverse to the tilting axis 11 in longitudinal direction or the tray may be suspended so as to be tiltable about an axis that is oriented obliquely to the feeding direction.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
- The invention relates to an apparatus for individually feeding sheets from a plurality of stacks.
- Such an apparatus is known from Japanese patent application
59-167423 - However, loading the trays is still a relatively cumbersome task. For instance a common size for a package of sheets to be loaded is 500 sheets. Such a stack constitutes a rather heavy yet flexible structure with loose sheets on the outside which tends to flex away from the other sheets and of which the sheets easily shift relative to each other so the stack does not fit into the tray anymore. Such a stack is difficult to handle and many users prefer to split such a stack in two or more parts, which are loaded successively onto the tray each next part being loaded on top of a previous part. However, this is time consuming and if the stack consists of printed sheets and comprises mutually different sheets, as is usual in the processing of sheets into mail pieces or if the sheets are to be scanned for storage as electronic documents or copying, splitting up the stack during loading entails the risk of disturbing the order of the sheets or turning the sheets upside down. Moreover, especially for loading apparatuses for processing larger volumes of sheets, it would be advantageous if loading stacks of sheets into the trays could be carried out more quickly, since idle time during loading has a relatively large effect on overall productivity of such apparatuses.
- It is an object of the present invention to provide an apparatus for individually feeding sheets from a plurality of stacks each stack being supported by a tray in which the loading of stacks of sheets onto the trays is facilitated.
- According to the invention, this object is achieved by providing an apparatus according to
claim 1. Displacing a tray in an outward direction relative to the other trays and tilting the tray allows the top of the tray to be more easily accessible for a user to load a stack of sheets onto the tray. Because the tray is tiltable about an axis extending in its longitudinal direction, the tray can be tilted over a relatively large angle at a given maximum vertical clearance from other sheet feeders or sheets loaded therein. Vertical movability of the trays is limited because of the presence of other ones of trays above and/or underneath, which other trays may be fully loaded with a stack of sheets. Thus, accessibility of the tray for loading sheets is effectively improved within the limitations of vertical movability imposed by the presence of other trays above and/or underneath the tray. - Particular elaborations and embodiments of the invention are set forth in the dependent claims.
- Further features, effects and details of the invention appear from the detailed description and the drawings.
-
-
Fig. 1 is a perspective view of an example of an apparatus according to the invention; -
Fig. 2 is a top plan view of the apparatus shown inFig. 1 ; and -
Fig. 3 is a perspective view of the apparatus shown inFigs. 1 and2 with one tray in a loading position. - In the drawings, an
apparatus 1 is schematically shown that can be mounted on or part of a system for processing sheets, such as a mail preparation system, a copying system or a printing system. In this example thefeeding station 1 has foursheet feeders 2, each for individually feeding sheets from a stack in the feeder. Thesheet feeders 2 each have a tray 3-6 for supporting a stack ofsheets 7 and are each provided with separating andtransport rollers 8 for feeding thesheets 7 one by one. - The trays 3-6 are each elongate for receiving a stack of elongate sheets, such as A4, letter or folio sized sheets, and arranged vertically above each other. In operation, sheets are separated and fed in a
longitudinal feeding direction 9 of the tray from thestack 7 supported by the tray 3-6. - Each of the trays 3-6 of the
sheet feeders 2 can be displaced relative to the other trays in anoutward direction 10 transverse to thelongitudinal direction 9 from a feeding position in vertical alignment with the other trays 3-6 of thesheet feeders 2 and with a feeding path of the apparatus to a loading position out of the vertical alignment displaced to a position projecting forwardly of the other trays 3-6. - In
Figs. 2 and 3 , the second tray from above 4 is in the loading position and the top of thetray 4 is clear from under theupper tray 3. As shown inFig. 3 , thetray 4 in the loading position is tilted relative to its feeding position about anaxis 11 extending in its longitudinal direction, such that anedge 12 of thetray 4 facing in theoutward direction 10 is lowered relative to anopposite edge 13 of thetray 4. - Since the
tray 4 in the loading position projects relative to the other trays and is displaced towards the user, it is better accessible for loading a stack of sheets. In this respect, it is particularly advantageous that the tray is better accessible from above, which is the general direction from which a stack of sheets is to be positioned in the tray. Furthermore, since the edge of the tray facing the person loading a stack into the tray is lowered relative to the opposite edge of the tray, the top side of the tray is tilted towards the user and to an orientation accommodated to the orientation in which a stack of sheets can be held comfortably, which further facilitates loading of a stack onto the tray. - In this example the trays are suspended to be displaced outwardly first and to be subsequently tilted. The suspensions include straight guide rails known in the art to which the tray is suspended pivotably about an axis extending in its longitudinal direction. Furthermore guides are provided allowing pivoting movement relative to the orientation of the tray in the feeding position only if the tray is displaced outwardly to the loading position over some distance, so that scraping of the tray or of a stack of sheets loaded thereon along another tray or stack of sheets when the tray is displaced between the loading position and the feeding position is avoided. However, the combined translational and tilting movement between the loading position and the feeding position may also be achieved by providing a suspension having curved guide rails. The combined outward and downward displacement of the trays allows a compact arrangement of the trays in vertical alignment, yet provides an easily accessible loading position for each tray when it is displaced in the loading position. Since the trays are tiltable about axes extending in the longitudinal direction of the trays, the trays are tiltable over a relatively large angle within the confines of the limited amount of vertical space available.
- Separating and
transport members 8 of the feeders are each coupled to the tray 3-6 for lifting the separating andtransport members 8 relative to the tray 3-6 from a feeding position into a loading position when the respective 3-6 tray is displaced from the feeding position to the loading position. Thus, it is avoided that a supply roller of the separating andtransport members 8 drags over the tray 3-6 or a topmost sheet therein when the respective 3-6 tray is displaced between the feeding position and the loading position and there is no need for the operator to manually push the separating and transport members up before displacing a tray to the loading position. - Side guides of the feeders on the side opposite the side to which the tray is displaceable from the feeding position to the loading position may be mounted such that, when the tray of that sheet feeder is displaced from the feeding position to the loading position the side guide remains stationary. This provides more room in the tray for loading sheets and, when the tray is returned to the feeding position, the loaded stack of sheets is automatically aligned by pushing against the stationary side guide. However, according to the present example, both
side guides - One or more of the trays in the loading position may also be tiltable such that the end of the tray facing in the feeding direction is lowered relative to the end of the tray facing in a direction opposite the feeding direction or such that the end of the tray facing in a direction opposite the feeding direction is lowered relative to the end of the tray facing in the feeding direction. Depending on which end of the tray is lowered with respect to the feeding direction, an abutment may be provided on the end that is lowered. A stack of sheets loaded in a tray in the loading position as described above, can then easily be caused to slide in or opposite to the feeding direction against the abutment and be aligned in feeding direction. When the abutment is located at the end of the tray facing the feeding direction, the stack of sheets is always aligned at the front side of the tray and the position of the abutment does not need to be adjusted to the size of the sheets in feeding direction. The pivoting movement causing the end of the tray at the side in feeding direction to lift or to descend, may be a separate tilting movement about a second axis transverse to the
tilting axis 11 in longitudinal direction or the tray may be suspended so as to be tiltable about an axis that is oriented obliquely to the feeding direction. - While the invention has been illustrated and described in detail in the drawing and foregoing description, such illustration and description are to be considered illustrative or exemplary and not restrictive; the invention is not limited to the disclosed embodiments. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims.
Claims (6)
- An apparatus for individually feeding sheets from a plurality of stacks of sheets, the apparatus comprising a plurality of sheet feeders (2), the sheet feeders (2) each having a tray (3-6) elongate in top plan view for supporting a stack of elongate sheets (7) and each comprising separating and transport members (8) for feeding the elongate sheets (7) one by one in a longitudinal feeding direction (9) of the tray (3-6) from the stack (7), wherein
an upper one of the trays (3-6) is arranged vertically above a neighboring lower one of the trays (4-6);
the tray (3-6) of at least one of the sheet feeders (2) is displaceable relative to the tray or trays (3-6) of the other sheet feeder or sheet feeders (2) in an outward direction (10) transverse to the longitudinal direction (9) between a feeding position in vertical alignment with the other tray or trays (3-6) in the respective feeding positions and a loading position out of the vertical alignment; and
said at least one of the trays (3-6) in the loading position being tilted or tiltable relative to its feeding position about an axis (11) extending in its longitudinal direction, such that an edge (12) of the tray facing in said outward direction (10) is lowered relative to an opposite edge (13) of the tray (3-6). - An apparatus according to claim 1, wherein the separating and transport members (8) of said at least one sheet feeder are coupled to the tray (3-6) for lifting the separating and transport members (3-6) relative to said tray (3-6) from a feeding position into a loading position in reaction to displacement of said tray (3-6) from the feeding position to the loading position.
- An apparatus according to claim 1 or 2, wherein at least the tray (3-6) displaceable into the loading position has a side guide at the side of said opposite edge (13) of the tray which is mounted in a position which is stationary when the tray is displaced between the loading position and the feeding position.
- An apparatus according to any one of the preceding claims, wherein the tray (3-6) displaceable into the loading position is tiltable, such that when the edge (12) of the tray facing in said outward direction is lowered relative to the opposite edge (13) of the tray, an end of the tray facing in the feeding direction is lowered relative to the end of the tray facing in a direction opposite the feeding direction or the end of the tray facing in a direction opposite the feeding direction is lowered relative to the end of the tray facing in the feeding direction.
- An apparatus according to claim 4, further comprising at least one abutment for aligning a stack of sheets on the tray (3-6) at the side of the tray that is lowered with respect to the opposite side when in the loading position.
- An apparatus according to claim 5, wherein the abutment is located at the side of the tray (3-6) facing the feeding direction (9).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09153997A EP2223875A1 (en) | 2009-02-27 | 2009-02-27 | Multi-tray sheet feeder |
US12/713,897 US20100219577A1 (en) | 2009-02-27 | 2010-02-26 | Multi-tray sheet feeder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09153997A EP2223875A1 (en) | 2009-02-27 | 2009-02-27 | Multi-tray sheet feeder |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2223875A1 true EP2223875A1 (en) | 2010-09-01 |
Family
ID=40886828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09153997A Withdrawn EP2223875A1 (en) | 2009-02-27 | 2009-02-27 | Multi-tray sheet feeder |
Country Status (2)
Country | Link |
---|---|
US (1) | US20100219577A1 (en) |
EP (1) | EP2223875A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9309065B2 (en) * | 2014-07-01 | 2016-04-12 | Xerox Corporation | Programmable paper tray and elevator settings |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59167423A (en) | 1983-03-14 | 1984-09-20 | Fuji Xerox Co Ltd | Paper feeder of copying machine |
EP1084973A1 (en) * | 1999-09-17 | 2001-03-21 | Neopost B.V. | Apparatus for feeding sheetlike material |
JP2001294331A (en) * | 2000-04-11 | 2001-10-23 | Canon Inc | Image forming device |
US20060237893A1 (en) * | 2005-04-26 | 2006-10-26 | Canon Kabushiki Kaisha | Sheet feeding apparatus and image forming apparatus |
US20080001342A1 (en) * | 2006-06-29 | 2008-01-03 | Canon Kabushiki Kaisha | Sheet feeder and image forming apparatus having said sheet feeder |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2953254A (en) * | 1955-09-05 | 1960-09-20 | Schnelle Klaus | Filing office frames |
US4165569A (en) * | 1975-04-21 | 1979-08-28 | Billings Energy Corporation | Hydride storage and heat exchanger system and method |
DE8328370U1 (en) * | 1983-10-03 | 1984-01-05 | Siemens AG, 1000 Berlin und 8000 München | OUTPUT PRINTER WITH ADD-ON ADDITIONAL PAPER FEEDER |
US4725108A (en) * | 1986-10-15 | 1988-02-16 | Wilson Robert W | Horizontal dropout file storage drawer |
US5213321A (en) * | 1991-08-13 | 1993-05-25 | Stobb Walter John | Hopper loader for transporting sheets in an edge-standing arrangement, and method therefor |
JPH0551136A (en) * | 1991-08-22 | 1993-03-02 | Brother Ind Ltd | Paper feed cassette device in image forming device |
JP2840517B2 (en) * | 1992-06-02 | 1998-12-24 | キヤノン株式会社 | Paper cassette and image forming apparatus |
US5454554A (en) * | 1993-08-27 | 1995-10-03 | Pitney Bowes Inc. | Pivoting feeder assembly for jam access |
US6039422A (en) * | 1997-08-01 | 2000-03-21 | Butters; Rex A. | Sliding and tilting shelf drawer |
US5944201A (en) * | 1997-09-29 | 1999-08-31 | The Proctor & Gamble Company | Control movement racking system |
KR100362389B1 (en) * | 2000-12-29 | 2002-11-23 | 삼성전자 주식회사 | Paper pick-up device for image forming aparatus |
US6435634B1 (en) * | 2001-02-12 | 2002-08-20 | Steelcase Development Corporation | Document display shelf apparatus |
US6651976B2 (en) * | 2001-06-07 | 2003-11-25 | Ricoh Company, Ltd. | Sheet feeding and image forming apparatus and method |
JP4299069B2 (en) * | 2003-07-15 | 2009-07-22 | Thk株式会社 | Slide rail |
US7334789B2 (en) * | 2005-04-27 | 2008-02-26 | Xerox Corporation | Printed sheets stacking tray with automatic alternate stacking support and manual stack lifting assistance |
-
2009
- 2009-02-27 EP EP09153997A patent/EP2223875A1/en not_active Withdrawn
-
2010
- 2010-02-26 US US12/713,897 patent/US20100219577A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59167423A (en) | 1983-03-14 | 1984-09-20 | Fuji Xerox Co Ltd | Paper feeder of copying machine |
EP1084973A1 (en) * | 1999-09-17 | 2001-03-21 | Neopost B.V. | Apparatus for feeding sheetlike material |
JP2001294331A (en) * | 2000-04-11 | 2001-10-23 | Canon Inc | Image forming device |
US20060237893A1 (en) * | 2005-04-26 | 2006-10-26 | Canon Kabushiki Kaisha | Sheet feeding apparatus and image forming apparatus |
US20080001342A1 (en) * | 2006-06-29 | 2008-01-03 | Canon Kabushiki Kaisha | Sheet feeder and image forming apparatus having said sheet feeder |
Also Published As
Publication number | Publication date |
---|---|
US20100219577A1 (en) | 2010-09-02 |
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