EP1228989A2 - Procédé et dispositif pour contrôler l'hauteur d'une pile de feuilles - Google Patents

Procédé et dispositif pour contrôler l'hauteur d'une pile de feuilles Download PDF

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Publication number
EP1228989A2
EP1228989A2 EP02001071A EP02001071A EP1228989A2 EP 1228989 A2 EP1228989 A2 EP 1228989A2 EP 02001071 A EP02001071 A EP 02001071A EP 02001071 A EP02001071 A EP 02001071A EP 1228989 A2 EP1228989 A2 EP 1228989A2
Authority
EP
European Patent Office
Prior art keywords
increment
sheet
primary
stack
indents
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Withdrawn
Application number
EP02001071A
Other languages
German (de)
English (en)
Other versions
EP1228989A3 (fr
Inventor
Michael T. Dobbertin
Thomas K. Sciurba
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.)
Eastman Kodak Co
Original Assignee
Heidelberger Druckmaschinen AG
Eastman Kodak Co
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 Heidelberger Druckmaschinen AG, Eastman Kodak Co filed Critical Heidelberger Druckmaschinen AG
Publication of EP1228989A2 publication Critical patent/EP1228989A2/fr
Publication of EP1228989A3 publication Critical patent/EP1228989A3/fr
Withdrawn legal-status Critical Current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
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/18—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device controlled by height of pile

Definitions

  • the present invention relates to an apparatus and a method for controlling the Height of a stack of sheets in a reproduction device.
  • reproduction devices such as copiers or printers for example, reproduces information on single sheets of a receiving material, for example on plain paper or on foils.
  • the different reception forms are in Stacks are stored and fed from these stacks one after the other if copies reproduced on it.
  • the single sheet feeder for reproductive devices should be able to handle a wide range of sheet types and sheet sizes can be processed reliably and without damage.
  • the sheets are with high accuracy individually fed from the sheet stack, i.e. without misfeeds or Multi-feeds.
  • An example suction air intake is in US 5,344,133.
  • a sheet feed head assembly that contains an air plenum, one in Flow relationship with the collection chamber standing suction air source and one Mechanism includes, such as a feed belt that in with the plenum Active relation, transports an arc captured by negative pressure in one Sheet transport direction from the sheet supply stack.
  • the sheet supply stack is arranged in such a way that the top sheet is at the level of the sheet feed head assembly.
  • a Forced air guidance directs an air flow to the sheet supply stack in such a way that the top sheet in the stack so that the top sheet goes through Negative pressure is detected by the air collection chamber of the sheet feed head assembly.
  • a second forced air duct directs an air flow to a detected arc to ensure that it separates from other sheets that may be attached this top sheet.
  • a sheet feeder which is a platform for Holding a stack of sheets includes a feed head device to hold sheets consecutively from the top of the stack of sheets on the platform Mechanism for moving the platform in relation to the sheet feed head assembly and a device for controlling the operation of the platform lifting mechanism.
  • the Controller may select a selected parameter in response to testing Determine sheet stack parameters and then generate a corresponding signal. The The speed of the platform lifting mechanism is then based on the parameter signal.
  • part of the stack becomes first raised or "fanned out", whereupon sheets from this fanned out group individually to be confiscated.
  • the height of the top edge is the fanned out group preferably low enough to disable a Paper level sensor and thus issue a lift command to the engine. Generally this happens before the last sheet is drawn in fanned out group. If not, multiple sheets from the top of the will not fanned out part of the stack.
  • the embodiments of the present invention described here lie The task is based on a more efficient control of the height of a stack of sheets provide.
  • Embodiments according to the invention describe a device and a method to increase the efficiency of reproductive devices.
  • a height control is parameterized and issued an additional lifting command as soon as this occurs due to the behavior of the Height control is required.
  • the number of sheets counted since one primary increment have been collected, the count with a known Indent count per increment is compared. If the number of sheets fed is larger than the indents per increment, a secondary increment is generated.
  • the primary increment comprises the triggering by one or more switches, and the secondary increment includes triggering by a signal in response to the number of arcs since the primary increment have been confiscated.
  • the number of indents per increment calculated. There will be a sampling period of primary increments and the number of indents determined during the sampling period.
  • the known indents per increment will be calculated by the number of indents by the number of primary increments in the Sampling period is divided.
  • the Known indents per increment are used and used to identify when a secondary increment should be initiated.
  • the present invention has a number of advantages and enables numerous Applications as experts will of course recognize.
  • the present invention enables an increase the likelihood of sheet feeding if the receiving materials tend to stick together during the preparatory separation and fanning phase.
  • the embodiments cannot better control the top of the fanned out part of the stack provide what the feeding behavior for some Receiving materials can improve.
  • the exemplary embodiments use one Parameterization of the height control and provide additional increments if necessary.
  • the exemplary embodiments according to the invention see a more effective control of a Stack of paper in a reproduction device.
  • Device and method come in a reproducing device for use with one fed from above Suction air intake is provided.
  • these are Embodiments can also be implemented in reproduction devices, the other Use types of indents, including Variations in the intake of air or friction.
  • the exemplary embodiments according to the invention describe a device and a Processes that increase the efficiency of any type of Reproduction device can be used.
  • Fig. 1 is a side view of an receiver sheet supply and feeding device according to the invention.
  • the receiving sheet supply and feed device 10 generally includes an open compartment 12 and a lifting platform 14 for holding a stack of sheets.
  • the sheet stack (not shown) held on the lifting platform 14 contains individual sheets which are suitable, for example, as receiving sheets for reproductions which are formed thereon in a copying or printing device.
  • Sheets for recording reproductions can be selected from a wide range of materials and formats.
  • the sheets can have a weight in the range from 49 g / m 2 to 300 g / m 2 and a format in the range from 20.32 cm x 25.40 cm (8 x 10 inch) to 35.56 cm x 45. 72 cm (14 x 18 inch).
  • the lifting platform 14 is arranged in the compartment 12 in such a way that it can be moved through a Lifting mechanism L is essentially vertically movable up and down.
  • the lifting mechanism L is preferably used to lift the lifting platform 14 onto a platform Height at which the top sheet in the stack is at a predetermined level during the operation of the receiving sheet supply and feed device 10 remains arranged, and lowering the platform so that more sheets can be added.
  • the Lifting mechanism L may include a motor M1 located on the outside of the front Wall of the compartment 12 is attached. Motor M1 preferably rotates a gear set 16, which is arranged on a shaft 18 which extends from the rear wall of the compartment. Two Lifting chains 20 guided by pinions are each connected to shaft 18 via gearwheels connected and pass through when the shaft 18 rotates by the motor M1 Continuous web.
  • Fig. 1 shows the lifting platform 14 in dashed lines in its lowest position.
  • FIG. 2 shows a top view of the receiver sheet supply and feed device 10 1, parts being removed for a better overview or not shown completely, to facilitate illustration of a sheet feed head assembly 30.
  • the sheet feed head assembly 30 is positioned to the tray 12 such that they overlap a portion of the lifting platform 14 in spaced relation to one held thereon Sheet stack extends.
  • the sheet feed head assembly 30 includes one with openings provided air collection chamber 32, which is connected to a suction air source V, and an air nozzle device 40, which is connected to a positive pressure source P.
  • the air jet lifts a portion of the upper one from the air nozzle device 40 Sheet in the held sheet stack 50 while the through the openings in the Air collection chamber 32 acting suction air causes the top of the stack raised sheet then captured at the air plenum 32 and from the Sheet stack is separated. Further overpressure air nozzles from the air nozzle device 40 help separate the subsequent sheets from the captured top Arch is guaranteed.
  • the lifting mechanism e.g. L in Fig. 1 holds the top bow preferably at a certain distance from the air collection chamber 32.
  • Fig. 3 shows a side view of a section through the receiver sheet supply and Feeder 10 taken along line 3-3 of FIG. 2, some of which Platform lifting mechanism shows.
  • Each of the lifting chains has a link 22 that extends through corresponding slots 12a (FIG. 1) in the front and rear walls of the compartment 12 extends.
  • the links 22 are connected to corresponding first sprockets 24 which are arranged on a shaft 24a, which is supported in brackets 24b, which differ from the Extend bottom of the lifting platform 14.
  • tension cables 26 are attached with their ends 26a, 26b.
  • the trains are each over the associated first sprockets 24 and guided under the second sprockets 28 on a shaft 28a are arranged, which is supported in the brackets 28b, which extends from the Extend bottom of the lifting platform 14.
  • the lifting platform 14 is at its highest using continuous lines Position shown, while the lowest position is shown by dashed lines.
  • the gear set 16 (Fig. 1) either clockwise to the lifting platform 14 towards the lowest position bring, or counterclockwise to the lifting platform 14 towards the to bring the highest position.
  • the rotation of the gear set 16 moves the Lift chains 20 (Fig. 1) in their endless path and thereby move the links 22 in one vertical movement. This movement in turn is transmitted to the shaft 24a and thus on the lifting platform 14 and also on the brackets 24b and the first sprockets 24.
  • the lifting platform 14 is in motion by the action of the tension cables 26 essentially held in a flat position, which with the second sprockets 28 and thus cooperate with the shaft 28a and the brackets 28b of the lifting platform 14.
  • Figure 4 is an incomplete rear view, on an enlarged scale, of part of the figure Receiving sheet supply and feed device, in particular the sheet feed head assembly 30 shows, namely along the line 4-4 of Fig. 3.
  • the position of the top Bow at the predetermined height is preferably one or more Arch detection switch 80 maintained the operation of the motor M1 to operate the Lift mechanism L control (as described in more detail below) to the Raise lifting platform 14 by a predetermined increment.
  • Lowering the Lifting platform 14 is generally done by an externally generated and attached to the engine applied signal that instructs the motor to continue rotating until the lifting platform 14 triggers a position switch which transmits a stop signal to the motor, after which the lifting platform 14 is usually in its lowest position.
  • the bottom 32a of the air plenum 32 is the sheet feed head assembly 30 formed in a certain shape to a certain curl to generate the recorded arc. If the top sheet in the held sheet stack are raised, the top arc preferably touches the outer as wings formed parts 32b of the bottom 32a of the air collection chamber. On the bow a minimum pressure is applied to form a controlled curl of the arch contribute. This creates a consistent spacing from the center of the arch to the Center of the air plenum 32. The access time to an arc at the Capturing the air plenum is reproducible and easily done in advance determinable.
  • the Receiver sheet supply and feeder 10 important that the position of the top Sheet in the stack held on the lifting platform 14 with respect to Air collection chamber 32 is maintained at a predetermined height.
  • the height is like that chosen so that it lies in an area in which the top sheet is lifted by the Air nozzle device 40 is arranged close enough to the air collection chamber 32 to of the negative pressure forces of the air plenum 32 within a repeatable range Timeframe to be taken, but at the same time sufficiently far to Air collection chamber 32 is spaced to ensure that the detected arc is not is held by the air collection chamber 32.
  • each of the sheet detection switches 80 is designed to position the top arc captured.
  • one such Switch for example, be a paper guide that attaches to the sheet with little pressure at the highest position of an acceptable curl, as in US 5,823,527 described.
  • paper position actuators could be placed in an optical switch be integrated to create a limited pressure on the sheet.
  • the Sheet detection switches 80 can be read out during the feed interval and if necessary, transmit a signal to the lifting mechanism L to the lifting platform 14 in one increment or increments, hereinafter referred to as primary increments are called.
  • the primary increments can be the maintain the correct bow height.
  • the location of the sheet detection switch 80 in the highest Position of an acceptable curl is an advantage in that everyone Sheet detection switch 80 can detect the location of sheets that may be strong are corrugated without the sheet adhering to the air plenum 32. It was on it noted that other types of switches, such as the prior art are known, can be used to generate a primary increment, for example Sensors that can measure the weight of the sheet stack and in response to that measured weight generate a primary increment, etc.
  • the lifting mechanism L can the top sheet in a desired Arrange distance to air plenum 32 in response to a second one Signal that comes from a second source that is not the Sheet detection switch 80 acts as e.g. one implemented in a microprocessor Source code or hard-wired circuit.
  • the lifting control parameterized preferably at the beginning of a reproduction process.
  • the second signal further lifting commands, which here as secondary increment can be designated as soon as that on the parameterized Lift-based behavior indicates that the incremental lifting movements required are.
  • FIG. 5 is a flow chart 70 of the receiver sheet supply and 1.
  • Flowchart 70 provides an example method of Generate a second signal to indicate a lifting movement of the lifting platform 14 or to initiate a secondary increment.
  • the secondary Increments used to position the top of the sheet stack accordingly be true if, for example, one of the sheet detection switches 80 detects the height of the Upper edge of the stack of sheets incorrectly recorded.
  • To secondary Performing increments is caused by one of the sheet detection switches 80
  • Lift control preferably parameterized in scan status 74 during the Control state 76 preferably to implement the appropriate secondary Increments.
  • Initiation of the secondary increments can preferably be at any point in the Reproductive process take place.
  • the system may go into a reset state 72 occur by initializing all associated, previously collected data and preferably resets. In reset state 72, the system may wait like this long until a number of primary increments have been performed. These Primary increments associated data are discarded, whereupon the system in the Scan status 74 occurs.
  • the scan status 74 may use stored or entered parameters, including the number of primary increments (i.e., increments initiated by arc detection switch 80) in a scan period (P s ), a step size adjustment factor that preferably indicates a secondary increment size (P D ), an arc adjustment factor that indicates a preferred number of arcs before initiating a secondary increment (P M ) and a preferred number of secondary increments that may occur in a row (P C ).
  • P S is set to three primary increments in one sampling period
  • P D is set to one and a half to indicate that a secondary increment is two times a primary increment
  • P M is set to two to indicate that twice more sheets are fed than usual before performing a primary increment
  • P C is set to three to indicate that three secondary increments can occur in a row.
  • the parameters described above can be set to any desired number and that they can also be set such that a large number of different paper height controls result.
  • each of the parameters is in a memory device stored, for example in a RAM memory (read / write memory) or in ROM memory (read-only memory).
  • Each parameter can be previously Set software or hardware to a fixed number, or the parameters can be entered dynamically by an input device, for example using the keyboard or Dial, which is arranged on the reproducing device (not shown).
  • the duration of the scan status 74 is preferably indicated as the number of primary increments and preferably by the parameter P S.
  • data is collected that can be used to parameterize the height control for a sheet stack. This data collection includes the number of sheets that have been fed during the sampling period, F S , and the total number of primary increments during the sampling period, P S. From the data collected, the mean number of sheets that were drawn before a primary increment occurred can be calculated by dividing F S by P S. If the previously calculated average number of sheets that were fed prior to the occurrence of a primary increment is exceeded, a secondary increment can be generated in the control status 76.
  • a secondary increment can be created if a specified number of sheets have been fed since the last primary increment.
  • P M may be used as a scaling factor to make the secondary increment run less often than would normally be within a primary increment.
  • P M is set to two, the number of sheet feeds that take place during the sampling period is twice that which was previously measured during the sampling period.
  • a secondary increment may be the same, smaller, or larger than a typical primary increment.
  • P D may be used as a scaling factor to make the size of the secondary increment equal, smaller, or larger than would normally be the case within a primary increment. According to the previously described embodiment, in which P D is set to one and a half, the size of the secondary increment would be twice the size normally used under a primary increment.
  • the average number of sheet feeds between the Incrementing the lifting platform 14 determined.
  • the number of sheet indents can be used for this after the original primary increment up to a specified later primary increment can be counted.
  • the original, primary Discarded increment because it tends to be erroneous when you consider that Paper height before switching on the excess pressure source P and thus before the fan is fanned out Stack has been discontinued.
  • the optimal value for specified number of increments to be used during the sampling period enough to get a sufficiently accurate mean, but small enough to activate tax status 76 as soon as possible.
  • the Estimate the average size of the primary increment can be the average number of steps per increment processed by the stepper motor are taken into account to determine the mean primary increment size.
  • a another motor or mechanism is used to drive the lifting platform 14 such as a DC motor, could be a mechanism similar to an encoder Potentiometers or the motor command duration can be used to cover the lifting distance of the To estimate and control lifting platform 14.
  • the Gear set 16 (Fig. 1) cooperating potentiometer generate a signal to the display the current height of the lifting platform 14. It should be noted that it is not absolutely necessary during the middle lifting distance of the lifting platform 14 to estimate each primary increment, but this could be the accuracy of the improve the method described.
  • the lifting motor M 1 can be instructed to raise the lifting platform 14 whenever this is desired. If, for example, twice the average number of sheets has been drawn in since the last increment, the lifting motor M 1 could be instructed to raise the lifting platform 14 by an amount which is equal to an average increment size.
  • the frequency and increment size for any given reproduction system can be optimized by using the scaling factors P D and P M.
  • Sheet thickness is taken into account as long as the sheet thickness does not change within the sheet stack changes. This scheme works as long as the paper in the supply is the same thickness having. For sheets of varying thickness, there are others according to the state of the art known methods can be used.
  • a secondary increment can be initiated in the control status 76 at any time, this increment normally being initiated in response to height control parameters determined in the scan status 74.
  • a secondary increment can occur multiple times in a row, which can be specified by the parameter P C.
  • the system can activate secondary increments, which can differ in frequency and size.
  • step 150 the number of sheet feeds since last primary increment counted.
  • step 154 this number becomes one Known number of sheet feeds before a primary increment occurs compared as previously described. This can be calculated or during scan status 74 have been entered.
  • F [(F S P M ) + (P S / 2)] P S and where F S is the number of sheet indents during the sampling period, P S is the plurality of primary increments in one sampling period, and P M is a scaling factor.
  • the number of sheet indents since the last primary increment is compared to F.
  • a secondary increment is generated if the number of sheet feeds since the last primary increment is greater than or equal to the known number of sheet feeds per increment.
  • the secondary increments can be used to get the keep top arc at the predetermined height while the primary increments, for example, the increments initiated by the sheet detection switch 80 as one Backup of the secondary increments could be used.
  • the Sheet detection switches 80 recognize that an increment is necessary to the top one Keep the bow at a predetermined height.
  • receiver sheet supply and Feeders can be used.
  • the Parameters can therefore be determined by a relevant specialist on the basis of the present Descriptions set on the receiver sheet supply and feeder become.
  • the present exemplary embodiments can be of a relevant Specialist also adapt to different types of devices on which they are implemented.
  • the exemplary embodiments according to the invention described here see a more effective one Control of a paper stack in a reproduction device by initiating one secondary increments.
  • the device according to the invention and the invention Methods have been implemented in a reproduction device, one from above equipped suction air intake and sheet detection switch 80 uses a signal for Generate an increment.
  • the invention Embodiments can also be implemented in a reproduction device, which with other types of feeders and switches.
  • the described embodiments offer a number of advantages and Applications.
  • the The present invention increases the likelihood of sheet feeding the receiving materials tend to be during the preparatory separation and Adhere to each other.
  • the exemplary embodiments can also be a provide better control of the top of the unfanned part of the stack, what Improved feed behavior for some receiving materials, if necessary.
  • the Exemplary embodiments use a parameterization of the height control and watch Requires the initiation of additional increments.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Pile Receivers (AREA)
EP02001071A 2001-02-06 2002-01-22 Procédé et dispositif pour contrôler l'hauteur d'une pile de feuilles Withdrawn EP1228989A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US777947 1991-10-17
US09/777,947 US6698747B2 (en) 2001-02-06 2001-02-06 Method and system for providing sheet stack level control

Publications (2)

Publication Number Publication Date
EP1228989A2 true EP1228989A2 (fr) 2002-08-07
EP1228989A3 EP1228989A3 (fr) 2004-03-24

Family

ID=25111789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02001071A Withdrawn EP1228989A3 (fr) 2001-02-06 2002-01-22 Procédé et dispositif pour contrôler l'hauteur d'une pile de feuilles

Country Status (5)

Country Link
US (2) US6698747B2 (fr)
EP (1) EP1228989A3 (fr)
JP (1) JP2002240967A (fr)
CA (1) CA2370831C (fr)
DE (1) DE10202208A1 (fr)

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US6698747B2 (en) * 2001-02-06 2004-03-02 Heidelberger Druckmaschinen Ag Method and system for providing sheet stack level control
EP1403200A3 (fr) * 2002-09-26 2005-04-06 Eastman Kodak Company Procédé pour côntroler l'avance d'une pile dans un appareil de reproduction
JP2004175532A (ja) * 2002-11-28 2004-06-24 Ryobi Ltd 給紙装置
JP4323993B2 (ja) * 2004-03-22 2009-09-02 キヤノン株式会社 シート給送装置、シート給送方法、及び制御プログラム
US7458570B2 (en) * 2004-09-13 2008-12-02 Ricoh Printing Systems, Ltd. Sheet-supplying device
US20070108693A1 (en) * 2005-11-15 2007-05-17 Maggay Isidore Iii De-stacking apparatus and method
JP4297912B2 (ja) * 2006-02-02 2009-07-15 シャープ株式会社 給紙装置
US20080013109A1 (en) * 2006-07-11 2008-01-17 Yen-Fu Chen Method for Selecting Printers Based On Paper Availability Or Paper Congestion
JP4772633B2 (ja) * 2006-09-28 2011-09-14 京セラミタ株式会社 給紙装置
JP4819712B2 (ja) * 2007-02-09 2011-11-24 キヤノン株式会社 シート給送装置および画像形成装置
US7887045B2 (en) * 2008-07-18 2011-02-15 Lexmark International, Inc. Method for dynamically lifting elevator platform of media input tray during ongoing media process
JP2010132374A (ja) * 2008-12-02 2010-06-17 Fuji Xerox Co Ltd シート残量検出装置、及び画像形成装置
US8061706B2 (en) * 2009-04-24 2011-11-22 Xerox Corporation Method and apparatus for adjusting the height of a media stack in an image production device
KR20150088106A (ko) * 2014-01-23 2015-07-31 삼성전자주식회사 화상형성장치, 그의 급지 제어 방법 및 컴퓨터 판독가능 기록매체

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DE3618728A1 (de) * 1985-06-04 1986-12-04 Ricoh Co., Ltd., Tokio/Tokyo Steuerungseinrichtung fuer die papierzufuehrung in einem kopiergeraet
US5823527A (en) * 1995-12-29 1998-10-20 Eastman Kodak Company Control for a sheet stack supporting platform
DE19807528A1 (de) * 1998-02-21 1999-08-26 Koenig & Bauer Ag Einrichtung zum Steuern einer kontinuierlich arbeitenden Stapelhebevorrichtung
US5988629A (en) * 1996-09-30 1999-11-23 Eastman Kodak Company Control for a sheet stack supporting platform

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US6290225B1 (en) * 1999-11-23 2001-09-18 Xerox Corporation Systems and methods for dynamically setting stack height and sheet acquisition time
DE10057052B4 (de) * 1999-12-23 2009-12-24 Heidelberger Druckmaschinen Ag Verfahren zum Steuern oder Regeln der Höhenposition von gestapelten Bogen
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Publication number Priority date Publication date Assignee Title
GB797724A (en) * 1955-08-12 1958-07-09 F P Rosback Company Improved sheet-feeding mechanism
DE3618728A1 (de) * 1985-06-04 1986-12-04 Ricoh Co., Ltd., Tokio/Tokyo Steuerungseinrichtung fuer die papierzufuehrung in einem kopiergeraet
US4815725A (en) * 1985-06-04 1989-03-28 Ricoh Company, Ltd. Paper feed control device for copier
US5823527A (en) * 1995-12-29 1998-10-20 Eastman Kodak Company Control for a sheet stack supporting platform
US5988629A (en) * 1996-09-30 1999-11-23 Eastman Kodak Company Control for a sheet stack supporting platform
DE19807528A1 (de) * 1998-02-21 1999-08-26 Koenig & Bauer Ag Einrichtung zum Steuern einer kontinuierlich arbeitenden Stapelhebevorrichtung

Also Published As

Publication number Publication date
US20020140159A1 (en) 2002-10-03
US6698747B2 (en) 2004-03-02
US20040135307A1 (en) 2004-07-15
CA2370831A1 (fr) 2002-08-06
EP1228989A3 (fr) 2004-03-24
JP2002240967A (ja) 2002-08-28
CA2370831C (fr) 2005-11-08
DE10202208A1 (de) 2002-08-08
US6908082B2 (en) 2005-06-21

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