EP0175175B2 - Blattabzugseinrichtung mit einer Einsatz-Kassette zur Aufnahme eines Blattstapels - Google Patents

Blattabzugseinrichtung mit einer Einsatz-Kassette zur Aufnahme eines Blattstapels Download PDF

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Publication number
EP0175175B2
EP0175175B2 EP85110705A EP85110705A EP0175175B2 EP 0175175 B2 EP0175175 B2 EP 0175175B2 EP 85110705 A EP85110705 A EP 85110705A EP 85110705 A EP85110705 A EP 85110705A EP 0175175 B2 EP0175175 B2 EP 0175175B2
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EP
European Patent Office
Prior art keywords
pulling
sheet material
cassette
pressure
drive motor
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.)
Expired - Lifetime
Application number
EP85110705A
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German (de)
English (en)
French (fr)
Other versions
EP0175175B1 (de
EP0175175A2 (de
EP0175175A3 (en
Inventor
Peter Weigel
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.)
Wincor Nixdorf International GmbH
Original Assignee
Siemens Nixdorf Informationssysteme AG
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Application filed by Siemens Nixdorf Informationssysteme AG filed Critical Siemens Nixdorf Informationssysteme AG
Publication of EP0175175A2 publication Critical patent/EP0175175A2/de
Publication of EP0175175A3 publication Critical patent/EP0175175A3/de
Publication of EP0175175B1 publication Critical patent/EP0175175B1/de
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Anticipated expiration legal-status Critical
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D11/00Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/10Mechanical details
    • G07D11/12Containers for valuable papers
    • G07D11/13Containers for valuable papers with internal means for handling valuable papers

Definitions

  • the invention relates to a sheet removal device of the type mentioned in the preamble of claim 1.
  • Sheet removal devices of this type are used above all in automated teller machines.
  • the money packet in the cassette is pressed against an end wall of the cassette by the pressure element.
  • This is designed in such a way that the foremost bank note is in contact with the trigger elements which extend through this end wall; these trigger elements are generally designed as trigger rollers, but can also be trigger fingers or the like, for example.
  • the drive device keeps the pressure element in constant contact against the sheet stack, so that this is always pushed to the appropriate extent when sheets are removed.
  • the drive device is designed as a spring motor which is connected to the pressure element.
  • the pressure element is moved and the drive motor is tensioned.
  • a disadvantage of such spring motors is that the pressure force applied by them depends on the position of the pressure element, that is to say it decreases as the stack of sheets decreases.
  • a further disadvantage is seen in the fact that the pressure force generated by the spring motors can also vary depending on the installation position of the cassette, since, for example, in the case of vertical installation with the stack of sheets pushed upwards compared to horizontal installation by the weight of the pressure element and the decreasing stack of sheets.
  • GB-A-2,065,615 discloses a sheet draw-off device in which the sheet stack is fed to the draw-off device by the motor-driven pressure device. To do this, it is pressed against a special contact plate with a certain force, which is precisely aligned with the take-off roller.
  • the take-off roller itself is designed as a suction roller, which removes the sheets regardless of the pressure of the sheet stack on this suction roller.
  • This known device is structurally very complex since, in addition to the pressure control system for the pressure of the sheet stack on the special contact plate, it also requires the technically sophisticated vacuum system.
  • GB-A-2,041,886 discloses a sheet draw-off device in which the sheet stack is pressed directly against the draw-off device by the motor-driven pressure device.
  • the pressure of the sheet stack on the take-off device is not measured. Rather, it is a function of the respective compression of air springs, which are provided between the pressure plate and the motor drive and are used for fine adjustment of the sheet stack while the upper sheets are being pulled off.
  • the entire pressure device is adjusted by the drive motor, controlled by limit switches, the air springs being compressed again.
  • the pressure of the stack of sheets on the take-off device accordingly varies during the fine adjustment and during the subsequent adjustment process, depending on the compression of the air springs.
  • a device is additionally provided which, depending on the repositioning path of the drive motor, reduces the pressure in the air springs via pressure regulators.
  • the actual pressure of the sheet stack on the take-off device cannot be measured and regulated. Rather, it is only controlled indirectly, subject to certain fluctuations, depending on the adjustment path and the adjustment path.
  • the known device therefore also does not take into account the friction of the sheet stack on the cassette walls, the changed pressure conditions during installation "overhead", etc.
  • the drive device comprises a force-controlled drive motor, which delivers an optimal pressing force for the function of the trigger elements.
  • This drive motor is controlled via a force measuring device, which measures the pressing force of the sheet stack against the trigger elements.
  • the optimal pressure force is always maintained, regardless of how large the sheet stack is or in which position the cassette is installed.
  • the force-controlled drive motor compensates for all influences that reduce the actual pressing force, such as the friction of the stack in the cassette or the weight of the sheet stack and the pressing element when the cassette is installed vertically.
  • the drive motor can be arranged in the cassette, coupling elements being provided on the cassette, which produce a connection between the drive motor and an energy source arranged outside the cassette when the cassette is inserted.
  • the coupling members are automatically separated.
  • the pressure element is designed as a pressure slide which is displaceably mounted in the cassette, the drive motor being arranged to travel on the pressure slide and being connected to the coupling members by means of energy supply lines which permit the displacement movement.
  • the drive motor according to the invention drives at least one drive wheel arranged on the pressure slide, which cooperates with a drive rail arranged in the cassette.
  • the drive wheel can be designed, for example, as a friction wheel or gear wheel, and the drive rail can be designed as a friction rail or toothed rail.
  • the drive motor is fixed in the cassette and is drive-connected to the movable pressure element.
  • a particularly light-weight construction of the cassette is obtained if, according to the invention, the drive motor is arranged outside the cassette and is drive-connected to the movable pressure element via transmission elements which are guided into the cassette.
  • the drive motor can be controlled so that the transmission elements withdraw so far from the cassette that they do not hinder insertion or removal of the cassette.
  • the drive motor can be an electric motor, for example a stepper motor.
  • the drive motor is equipped with its return self-inhibiting drive elements, so that an undesired return due to the back pressure of the sheet stack or in vertical installation due to the weight of the sheet stack and the pressure elements can be prevented without performance.
  • the drive motor is a bellows actuated by pressure medium.
  • This is preferably fastened to the inside of the end wall of the cassette remote from the extraction elements and can be placed with its free end against the movable pressure element, a supply and connection device for connecting the bellows to a pressure medium source located outside the cassette being provided on this end wall.
  • the bellows is coupled to the pressure medium source and pressurized so that it exerts the required pressure force.
  • the pressure force is regulated by regulating the pressure medium supply.
  • the force measuring device comprises a force sensor which is arranged approximately in the plane of the trigger elements which elastically deflect under the action of the pressure element.
  • This force sensor takes up the path of the front end face of the sheet stack resting on the trigger element; this is a measure of the pressure force and can therefore be used to control this pressure force. It can be assumed that the front face of the stack of sheets does not deform or is not relevant for the measurement, so that there is no risk of falsification of the measurement result.
  • light barriers, strain gauges or similar elements can be used for the distance measurement.
  • the force measuring device comprises a force sensor arranged between the holder of the trigger elements which are mounted displaceably in the pressing direction and a fixed component of the device. This arrangement enables a direct measurement of the deflection of the trigger elements and thus the pressure force acting on the trigger elements.
  • the force-controlled drive motor can be provided as the only motor; but it can also be provided in addition to an unregulated drive motor, preferably a conventional spring motor, which takes over a certain base load, the force-controlled type drive motor supplies the remaining power until the target load is reached.
  • the insert cassette 2 shown in FIG. 1 is part of a sheet withdrawal device, in the present case for a banknote dispenser.
  • the insert cassette 2 consists in a known manner of a bottom 4, two side walls 6, 8, a front end wall 10, a rear end wall 12 and a cover 14 for closing the cassette.
  • the sheet stack 16, in the present case a banknote packet is pressed against the front end wall 10 by a pressure element 18.
  • the pressure element 18 comprises a pressure plate 20 which bears against the rear end face of the sheet stack 16 and presses it with its front end face against the end wall 10. Openings 22 are formed in the front end wall 10, through which the trigger elements 24 can reach in order to pull up the respective front sheet of the sheet stack 16.
  • the trigger elements 24 are designed as trigger rollers 28 which are rotatably arranged on an axis 26.
  • the pressure element 18 is designed as a pressure slide 32 which can be displaced in the direction of the double arrow 30. It is mounted in rails 34 fastened laterally in the insert cassette 2.
  • a force-controlled drive motor 36 which is arranged on the carriage and is used to drive it, is connected to coupling members 40 via the power supply lines 38, which allow the displacement movement.
  • the coupling members 40 are designed so that when the insert cartridge 2 is inserted they automatically engage in a counter-coupling 42, which in turn is connected to an energy source, not shown, arranged outside the cartridge.
  • the drive motor 36 drives two drive wheels 44 designed as toothed wheels, which engage in drive rails 46 designed as toothed racks.
  • an electric motor designed as a stepping motor is preferably used as the drive motor 36.
  • the output force of the drive motor is regulated so that the pressing force of the sheet stack 16 against the trigger elements 24 always has an optimal value.
  • a force measuring device is provided which measures this pressure force, which is then used to regulate the drive motor 36.
  • the drive motor 36 generates an output force K1 which presses the sheet stack 16 against the trigger elements 24.
  • the pressure force K2 which can be lower than the output force K1 by the amount of the friction losses of the sheet stack and the drive system, in addition to the amount of the weight of the pressure slide and the sheet stack when the insert cassette is installed vertically, is measured by the force measuring device 48 and in one electronic control device 50 compared with a predetermined target value K3.
  • the control variable formed therefrom is fed to the power electronics 52, which controls the drive motor 36 in the sense that the setpoint K3 is maintained.
  • Various designs of the force measuring device 48 are described in more detail below.
  • FIG. 3 shows an insert cassette 2 which is constructed essentially the same as the insert cassette shown in FIG. 1. The same parts are therefore provided with the same reference numerals.
  • a bellows 56 actuated by pressure medium which is fastened to the rear end wall 12 of the insert cassette 2 and presses with its free end against the pressure element 18, serves as the drive motor 54.
  • a supply and connection device 58 is provided on the bellows 56, which can be coupled to a counter-coupling 60 and via which the bellows 56 can be connected to a pressure medium source (not shown).
  • the pressure element 18, designed as a pressure slide 32, is slidably mounted in the rails 34 in the direction of the double arrow 30 '.
  • a pressure control valve 61 is provided on the counter clutch 60 and is controlled by the control device 50 (see FIG. 2).
  • Fig. 5 also shows an insert cassette 2, which is essentially the same in construction as the insert cassettes shown in Figs. 1 and 3, so that again the same parts are provided with the same reference numerals.
  • a pressure element 18 is mounted in the rails 34 such that it can be displaced in the direction of the double arrow 30 ′′; this is shown in a front and a rear position in FIG. 5.
  • a bellows 64 which is fastened outside the insert cassette 2 to a wall of the device, in turn serves as the force-controlled drive motor 62.
  • the bellows 64 is in one in Fig. 5 driven and an extended position shown.
  • An actuating rod 68 which is attached on the one hand to the free end of the bellows 64 and on the other hand to the pressure element 18, serves as the transmission element 66, which transmits the movements of the bellows 64 to the pressure element 18.
  • the bellows 64 In the retracted position, the bellows 64 assumes a position that is completely retracted from the insert cassette 2, and in the extended position it projects into the insert cassette.
  • the pressure medium supply and discharge for the bellows 64 takes place via a pressure medium line 69.
  • a drive motor 70 which is designed as a spring motor, is arranged on the pressure element 18 designed as a pressure slide 71. It transmits its drive force via a drive wheel 72 to a drive rail 74 fastened in the insert cassette 2. It is tensioned by pushing back the pressure element 18 into the rear position and generates, for example, a certain basic proportion of the required pressure force, so that the bellows 64 only has a relatively small variable Share to compensate for the various influences that reduce the pressure force, as described above.
  • trigger element 24 which in turn consists of trigger rollers 28 rotatably mounted on an axis 26, which extend through the openings 22 in the front end wall 10 and pull the respective front sheet 76 of the sheet stack 16 upwards.
  • the sheet stack 16 also bears against a schematically illustrated force measuring device 78, which measures the pressing force, the measured value being used to control the output force of the bellows 64, as will be explained in more detail with reference to FIGS. 6 to 9.
  • This output force is regulated by a corresponding pressure medium supply or discharge for the bellows 64.
  • the force measuring device used in FIG. 6 consists of a force sensor 86, the sensor 88 of which lies approximately in the plane of contact of the front sheet with the take-off rollers 28.
  • the take-off rollers are designed or mounted, for example, so that they deflect slightly elastically under the pressure of the sheet stack, so that the sensor 88 is acted on and emits a signal corresponding to the pressure force.
  • a strain gauge 90 is used as the force measuring device.
  • the take-off rollers are in turn made elastic or supported so that they deflect through the sheet stack 16 when subjected to a certain pressure. This path is measured by the strain gauge and used as a measure of the pressure to control the drive motor.
  • the force measuring device used in FIG. 8 comprises a light barrier 92 and an interrupter element 94 which cooperates therewith and which is pushed more or less into the light barrier by the sheet stack 16 depending on the existing pressing force.
  • the light barrier can be adjusted so that its switching point corresponds to the desired pressure force.
  • FIG. 9 shows a device approximately according to FIG. 8, but a reflection light barrier 96 is used as the force measuring device.
  • the force measuring devices described with reference to FIGS. 6 to 9 require a very precise alignment to the plane of contact between take-off rollers and the sheet stack. If the take-off rollers wear, they have to be readjusted, for example. 10 shows a force measuring device in which the pressure force acting on the take-off rollers is measured directly.
  • the axis 26 of the take-off rollers 28 is slidably supported on one side in the pressing direction, wherein it is supported directly against a force sensor 100.
  • the contact force measured by the force sensor 100 is directly proportional to the pressing force of the sheet stack 16 on the take-off rollers. It is independent of the wear condition of the take-off rollers and therefore requires no readjustment.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP85110705A 1984-09-21 1985-08-26 Blattabzugseinrichtung mit einer Einsatz-Kassette zur Aufnahme eines Blattstapels Expired - Lifetime EP0175175B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3434780 1984-09-21
DE19843434780 DE3434780A1 (de) 1984-09-21 1984-09-21 Blattabzugseinrichtung mit einer einsatz-kassette zur aufnahme eines blattstapels

Publications (4)

Publication Number Publication Date
EP0175175A2 EP0175175A2 (de) 1986-03-26
EP0175175A3 EP0175175A3 (en) 1987-02-25
EP0175175B1 EP0175175B1 (de) 1991-01-16
EP0175175B2 true EP0175175B2 (de) 1994-09-07

Family

ID=6246036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85110705A Expired - Lifetime EP0175175B2 (de) 1984-09-21 1985-08-26 Blattabzugseinrichtung mit einer Einsatz-Kassette zur Aufnahme eines Blattstapels

Country Status (2)

Country Link
EP (1) EP0175175B2 (enrdf_load_stackoverflow)
DE (2) DE3434780A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004201363B2 (en) * 2003-04-01 2010-06-17 Mei, Incorporated Currency cassette pressure plate assembly

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447777A1 (de) * 1984-12-28 1986-07-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Vorrichtung und verfahren zum vereinzeln von blattgut
DE3706810C1 (de) * 1987-03-03 1988-03-31 Nixdorf Computer Ag Regelung einer Abzugseinrichtung fuer Blattmaterial
DE3741311A1 (de) * 1987-12-05 1989-06-15 Philips Patentverwaltung Bueromaschine mit einem papiervorratsmagazin
GB8915048D0 (en) * 1989-06-30 1989-08-23 Ncr Co Container for holding a stack of articles
US5092575A (en) * 1990-09-05 1992-03-03 Pitney Bowes Inc. Portable apparatus for supporting sheets
EP0530457B1 (de) * 1991-09-04 1996-10-09 Mars Incorporated Kassette für flexible Blätter
DE4200186C1 (enrdf_load_stackoverflow) * 1992-01-07 1993-07-15 Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De
DE4345296C2 (de) * 1993-11-11 1996-08-22 Nsm Ag Geldspielgerät
DE4408551C2 (de) * 1994-03-14 1998-02-19 Siemens Nixdorf Inf Syst Blattabzugseinrichtung mit einer Kassette zur Aufnahme eines Blattstapels
DE4408981C1 (de) * 1994-03-16 1995-06-22 Siemens Nixdorf Inf Syst Ausgabeeinheit für Wertscheine
DE29503364U1 (de) * 1995-02-28 1995-04-13 Siemens Nixdorf Informationssysteme AG, 33106 Paderborn Einsatzkassette mit einer Blatt-Andruckeinrichtung
DE59602802D1 (de) * 1996-06-29 1999-09-23 Scheidt & Bachmann Gmbh Selbstauffüllende Speichervorrichtung für kartenförmige Datenträger
KR20010016091A (ko) * 2000-11-01 2001-03-05 구자홍 매체카세트장치
DE10151145B4 (de) * 2001-10-17 2010-04-08 Giesecke & Devrient Gmbh Kassette zur Aufnahme von Wertdokumenten
JP4077245B2 (ja) * 2002-05-28 2008-04-16 株式会社東芝 紙葉類取出装置
SE531522C2 (sv) * 2005-12-01 2009-05-05 De La Rue Cash Systems Ab Förfarande och anordning för utmatning av ändark från en arkstapel
US8196920B2 (en) * 2008-12-18 2012-06-12 Ncr Corporation Media cassette
JP5580841B2 (ja) * 2012-02-07 2014-08-27 富士通フロンテック株式会社 紙幣カセットおよびその紙幣長さ調整方法
EP2814007B1 (de) 2013-06-11 2016-11-30 Wincor Nixdorf International GmbH Geldkassette mit einem Sperrelement zum Verhindern ungewollter Bewegungen der Andruckeinheit
US10796537B1 (en) * 2019-11-19 2020-10-06 Capital One Services, Llc System and method for detecting ATM fraud via counting notes

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DE1230042B (de) * 1965-06-29 1966-12-08 Siemens Ag Stapelhubvorrichtung
DE1549850C3 (de) * 1967-02-20 1974-02-28 Siemens Ag, 1000 Berlin U. 8000 Muenchen Vereinzelungseinrichtung für blattförmige Aufzeichnungsträger
GB1260655A (en) * 1968-04-26 1972-01-19 De La Rue Instr Apparatus for dispensing articles
FR2333738A1 (fr) * 1975-12-05 1977-07-01 Transac Dev Transact Automat Distributeur de feuilles en liasse, en particulier de billets de banque
GB2041886B (en) * 1979-02-08 1983-01-26 Simon Container Mach Ltd Stack elevating device
US4323230A (en) * 1979-12-10 1982-04-06 The Perkin-Elmer Corporation Machine for separating bills and coupons
JPS58135043A (ja) * 1982-02-04 1983-08-11 Laurel Bank Mach Co Ltd 自動入出金機における紙幣分離送出機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004201363B2 (en) * 2003-04-01 2010-06-17 Mei, Incorporated Currency cassette pressure plate assembly

Also Published As

Publication number Publication date
EP0175175B1 (de) 1991-01-16
EP0175175A2 (de) 1986-03-26
DE3434780C2 (enrdf_load_stackoverflow) 1988-02-25
DE3434780A1 (de) 1986-03-27
DE3581342D1 (de) 1991-02-21
EP0175175A3 (en) 1987-02-25

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