EP0486252B1 - Drehmomentbegrenzungsmechanismus zur Verwendung in einem Antriebsystem - Google Patents

Drehmomentbegrenzungsmechanismus zur Verwendung in einem Antriebsystem Download PDF

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Publication number
EP0486252B1
EP0486252B1 EP91310410A EP91310410A EP0486252B1 EP 0486252 B1 EP0486252 B1 EP 0486252B1 EP 91310410 A EP91310410 A EP 91310410A EP 91310410 A EP91310410 A EP 91310410A EP 0486252 B1 EP0486252 B1 EP 0486252B1
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EP
European Patent Office
Prior art keywords
notes
note
recess
pick
hub portion
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
EP91310410A
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English (en)
French (fr)
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EP0486252A3 (en
EP0486252A2 (de
Inventor
Kenneth Andrew Nicoll
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.)
NCR International Inc
Original Assignee
AT&T Global Information Solutions Co
AT&T Global Information Solutions International Inc
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.)
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Publication date
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Publication of EP0486252A2 publication Critical patent/EP0486252A2/de
Publication of EP0486252A3 publication Critical patent/EP0486252A3/en
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Publication of EP0486252B1 publication Critical patent/EP0486252B1/de
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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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge

Definitions

  • This invention relates to a torque limiting mechanism for use in a drive system.
  • the invention has application, for example, to the drive mechanism of a cash dispenser unit of an automated teller machine (ATM) in which there is provided a currency note picking apparatus for extracting notes from one or more currency cassettes mounted in the cash dispenser unit.
  • ATM automated teller machine
  • a user inserts a customer identifying card into the machine and then enters certain data (such as codes, quantity of currency required or to be paid in, type of transaction, etc.) upon one or more keyboards associated with the machine.
  • the machine will then process the transaction, update the user's account to reflect the current transaction, dispense cash, when requested, extracted from one or more currency cassettes, and return the card to the user as part of a routine operation.
  • One known kind of cash dispenser unit of an ATM includes a currency note pick mechanism which incorporates pivotably mounted pick arms disposed adjacent an associated currency cassette, the pick arms being arranged to draw part of an end note of a stack of notes in the cassette away from the remainder of the stack, by applying suction force to the end note, and to position said part for engagement by transport means arranged to remove the end note from the cassette.
  • the transport means feed a plurality of notes one by one to note stacking means where the notes are stacked in a bundle, the bundle of notes then being fed to an output station, represented by a cash exit slot, for collection by a user of the ATM.
  • a cash dispenser unit of this kind is known, for example, from GB-A-2205649. From this document a sheet handling apparatus and a cash dispenser unit according to the preambles of claims 7 and 8, respectively, are known.
  • the note transport means of this known dispenser unit is driven by an electric motor and includes first and second roll means which are arranged to grip the end note of the stack therebetween for the purpose of removing this note from the cassette.
  • a torque limiting apparatus comprising a drive shaft and a driven shaft having a common axis of rotation, and mechanical coupling means provided between the drive shaft and the driven shaft.
  • the mechanical coupling means includes an elastically deformable leaf spring which extends substantially radially from the drive shaft and which engages with stop means mounted on the internal surface of a ring member connected to the driven shaft.
  • a torque limiting mechanism for use in a drive system, said mechanism comprising first and second rotatable members one of which serves as a driving member and the other of which serves as a driven member, said first and second members having a common axis of rotation, characterized in that said first member includes a circular hub portion and a resilient finger projecting from an outer surface of said hub portion, said resilient finger including a first portion adjoining said hub portion, a central portion spaced from said hub portion and connected to said first portion, said central portion extending away from said first portion in a first direction partially around the circumference of said hub portion, and an engaging end portion connected to an end of said central portion remote from said first portion, and in that said second member includes a hollow cylindrical portion for receiving said hub portion and including a recess for receiving said engaging end portion of said resilient finger , said engaging end portion being adapted to engage resiliently in said recess for the purpose of causing a driving torque to be applied to said driven member, and said resilient finger being adapted to disengage from said
  • the cash dispenser unit 10 shown therein includes two similar pick mechanisms 12 arranged one above the other and respectively associated with two currency cassettes 14 which are removably mounted in a supporting framework 16 of the dispenser 10.
  • Each of the cassettes 14 is arranged to contain a stack of currency notes 18, corresponding long edges of which are supported on a horizontal support plate 20 mounted in the cassette 14.
  • the two cassettes 14 respectively contain notes 18 of different denominations.
  • the stack of notes 18 in each cassette 14 is urged by a spring loaded pusher member 22 (Fig. 1) towards a stop member 24 (Fig. 2) mounted at the front end (left hand end with reference to Figs. 1 and 2) of the cassette 14.
  • An opening 26 (Fig. 2) is formed in the front end of each cassette 14, the opening 26 being normally closed by conventional shutter means (not shown) when the cassette 14 is not mounted in the dispenser unit 10.
  • the relevant shutter means is automatically retracted away from its closed position so as to enable currency notes 18 to be extracted through the opening 26 by the associated pick mechanism 12.
  • Brushes 28 are provided at the front end of the support plate 20 of each cassette 14 for a purpose which will be explained later.
  • Each pick mechanism 12 includes a tubular member 30 which extends between, and is rotatably mounted with respect to, side walls 32 and 34 of the framework 16.
  • Two conventional pick arms 36 each incorporating a rubber suction pad 38, are secured on each tubular member 30, each pick arm 36 communicating with the interior of the associated tubular member 30.
  • Corresponding ends of the tubular members 30 project beyond the side wall 34, and are each connected by a respective swivel elbow connector 40 to a respective rubber tube 42 via which reduced pressure is applied in operation to the respective tubular member 30.
  • a gear segment 44 is secured to that part of each tubular member 30 projecting beyond the side wall 34, the gear segment 44 being in cooperative engagement with a toothed end portion 46 of a first arm of a respective bell crank lever 48 which is pivotably mounted on a stud 50 secured to the outer surface of the wall 34.
  • Each lever 48 is urged to rotate in a counterclockwise direction with reference to Fig. 2 by means of a spring 52 the ends of which are respectively attached to the side wall 34 and to the end of the second arm of the lever 48.
  • a stud 54 is secured to one side of each lever 48, the stud 54 engaging in a cam track 56 formed in an associated cam member 58.
  • Each cam member 58 is secured to a respective gear wheel 60 which is rotatably mounted on a respective shaft 62 projecting from the outer surface of the side wall 34.
  • the gear wheels 60 are driven by gear wheels 64 forming part of a gear mechanism 65 (Fig. 4) operated by a main drive electric motor 66 (Figs. 4 and 9).
  • a main drive electric motor 66 Figs. 4 and 9.
  • the gear wheels 60 are rotated in a clockwise direction with reference to Fig. 2.
  • This rotation of the gear wheels 60 brings about an oscillatory pivotal movement of the levers 48 by virtue of the engagement of the studs 54 in the cam tracks 56, the springs 52 holding the studs 54 in engagement with the inner edges of the cam tracks 56.
  • the oscillatory movement of the levers 48 brings about an oscillatory pivotal movement of the assemblies of the tubular members 30 and the associated pick arms 36.
  • the oscillatory movement of either of the assemblies of the tubular members 30 and associated pick arms 36 is effective to cause currency notes to be picked one by one from the stack of currency notes 18 held in the associated currency cassette 14.
  • a timing disc 68 is secured to that face of each gear wheel 60 remote from the associated cam member 58.
  • Each timing disc 68 is for the most part transparent but incorporates an arcuate opaque strip 70 extending around just over half the periphery of the disc 68.
  • Each timing disc 68 is associated with optical sensing means, comprising an LED (light emitting diode) (not shown) and a cooperating phototransistor sensor 73, which is arranged to sense the opaque strip 70.
  • optical sensing means comprising an LED (light emitting diode) (not shown) and a cooperating phototransistor sensor 73, which is arranged to sense the opaque strip 70.
  • the associated sensor 73 generates output signals in response to the sensing of the leading and trailing edges of the associated opaque strip 70. It should be understood that the signals generated by each of the sensors 73 provide indications as to the precise positions of the associated pick arms 36 at the times when these signals are generated.
  • each pick mechanism 12 also includes a first pair of rolls 74 secured on a drive shaft 76, and a second pair of rolls 78 (hereinafter referred to as cam rolls) which are secured on a drive shaft 80 in cooperative relationship with respect to the rolls 74, and whose peripheries comprise low portions 82 and high portions 83.
  • the drive shafts 76 and 80 extend between, and are rotatably mounted with respect to, the side walls 32 and 34, and are respectively driven by two gear wheels 84 and 85 forming part of the gear mechanism 65 so that in operation the rolls 74 and the cam rolls 78 respectively rotate in clockwise and counterclockwise directions with reference to Fig.
  • the rolls 74 and and the cam rolls 78 making two revolutions for each revolution of the timing discs 68.
  • the lower long edge of the first currency note 18' of the stack of notes 18 in the relevant cassette 14 is pulled partly out of the cassette 14, under the action of suction force applied by the respective pick arms 36, and is fed between the low portions 82 of the respective cam rolls 78 and the associated rolls 74 as the arms 36 are pivoted in a clockwise direction from the position 36' shown in chain outline in Fig. 2 to the position shown in the solid outline.
  • the note 18' is thereafter pulled completely out of the cassette 14 by virtue of being gripped between the rolls 74 and the high portions 83 of the cam rolls 78.
  • the cash dispenser unit 10 includes two note transport mechanisms 86 respectively associated with the two pick mechanisms 12, the transport mechanisms 86 being driven by the gear mechanism 65 previously referred to.
  • Each transport mechanism 86 includes guide means 87 and sets of feed rolls 88, 90, 92, 94, and 96 for feeding a currency note picked by the associated pick mechanism 12 along a respective feed path 98 towards a further transport mechanism 100 which is positioned above the mechanisms 86 and which is also driven by the motor 66 via transmission means (not shown).
  • the transport mechanism 100 serves to feed currency notes one by one to a conventional stacking wheel 102.
  • the sets of cam rolls 78 and cooperating rolls 74 of each pick mechanism 12 feed a picked currency note to cooperating sets of rolls 88 and 90, from where the note is fed by cooperating sets of rolls 90 and 92 and cooperating sets of rolls 94 and 96 upwardly out of the respective transport mechanism 86.
  • the upper one of the transport mechanisms 86 additionally includes two further sets of cooperating rolls 104 for accepting a currency note fed upwardly out of the lower transport mechanism 86 and for feeding this note to the cooperating rolls 90 and 92 of the upper mechanism 86, from where the note is fed to the transport mechanism 100.
  • the stacking wheel 102 is driven by the motor 66 and is arranged to rotate continuously in operation in a counterclockwise direction. Means (not shown) are provided between the upper transport mechanism 86 and the stacking wheel 102 for detecting any multiple feeding of notes and for detecting any invalid or torn note.
  • the stacking wheel 102 comprises a plurality of stacking plates 110 spaced apart in parallel relationship along the stacker wheel shaft 112, each stacking plate 110 incorporating a series of curved tines 114.
  • the tines 114 of the stacking plates 110 pass between portions 116 of a rockably mounted stripper plate assembly 118.
  • each note fed by the transport mechanism 100 to the stacking wheel 102 enters between adjacent tines 114 and is carried partly around the axis of the stacking wheel 102, the note being stripped from the wheel 102 by the portions 116 and being stacked against belt means 120 with a long edge of the note resting on the stripper plate assembly 118.
  • the belt means 120 cooperates with belt means 122 normally held in the position shown in Fig. 1.
  • the belt means 122 When a bundle of notes 18'' (or possibly a single note only) to be dispensed to a user in response to a cash withdrawal request has been stacked against the belt means 120, the belt means 122 is rocked in a clockwise direction about a shaft 124 so as to trap the bundle of notes 18'' between the belt means 120 and the belt means 122. It should be understood that in the course of this rocking movement separate belts making up the belt means 122 pass between adjacent pairs of the stacking plates 110.
  • the belt means 120 and 122 are operated so as to drive the bundle 18'' to a pair of drive belt means 126 and 128.
  • the belt means 126 and 128 serve to drive the bundle 18'' through a note exit slot 130 in a housing 132 of the ATM to a position where the bundle 18'' can be collected by the user of the ATM, a shutter 134 which serves to close the slot 130 when the ATM is not in operation having previously been retracted to an open position.
  • the belt means 120 and 122 are mounted in resilient relationship relative to each other, and the belt means 126 and 128 are also mounted in resilient relationship relative to each other, so that bundles of notes of varying thickness can be held between, and fed by, the belt means 120 and 122 and the belt means 126 and 128. If a multiple feeding has been detected in the course of stacking the bundle of notes 18'' against the belt means 120, or if one or more of the notes in the bundle 18'' have been rejected for any other reason, then the stripper plate assembly 118 is rocked into the position shown in chain outline in Fig. 1, and the belt means 120 and 122 are operated to feed the bundle 18'' in a direction opposite to the normal feed direction, the bundle 18'' being deposited in a reject note container 136 via an opening in the top thereof.
  • the gear mechanism 65 which is driven by the electric motor 66 via belts 138 and pulleys 140 (Fig. 4), includes two torque limiting mechanisms 142 respectively associated with the two pick mechanisms 12.
  • Each torque limiting mechanism 142 comprises a drive member 144 (best shown in Figs. 5A and 5B), and a driven member 146 (best shown in Figs. 6A and 6B), each of the members 144 and 146 being of unitary construction and being formed of moulded plastic such as an acetal resin.
  • the drive member 144 includes a hollow cylindrical hub portion 148 formed integral at one end with a gear wheel portion 150.
  • a resilient tripping finger 152 projects from the outer surface of the hub member 148, the free end portion 154 of the tripping finger 152 having a rounded extremity 156 facing away from the hub portion 148.
  • the end portion 154 is offset in a counterclockwise direction (with reference to Fig. 5B) from the portion 158 of the tripping finger 152 which adjoins the hub portion 148.
  • the portions 154 and 158 of the tripping finger 152 are connected together by an integral central portion 160 which extends around approximately one eighth of the circumference of the hub portion 148. As seen in Fig.
  • the tripping finger 152 extends over the major part of the length of the hub portion 148, with the end portion 154 extending parallel to the axis of the drive member 144.
  • the tripping finger 152 is so constructed that the end portion 154 can be moved inwardly towards the hub portion 148 against the spring action of the finger 152, this spring action tending to restore the finger 152 to its original position.
  • the driven member 146 comprises a hollow cylindrical portion 162 and a gear wheel portion 164, the cylindrical portion 162 being integral at one end with the gear wheel portion 164.
  • a recess 166 which has a rounded configuration and which extends along the whole length of the cylindrical portion 162 is formed in the inner surface of the portion 162.
  • the length of the cylindrical portion 162 is slightly greater than the dimension of the tripping finger 152 parallel to the axis of the drive member 144.
  • each torque limiting mechanism 142 is rotatably mounted on a respective shaft 168 (Figs. 3, 4 and 7) which extends between the side walls 32 and 34. As shown in Figs. 3 and 4, the gear wheel portion 150 of the drive member 144 engages with a respective gear wheel 170 of the gear mechanism 65.
  • the driven member 146 of each torque limiting mechanism 142 is rotatably mounted on the respective shaft 168 with the tripping finger 152 of the drive member 144 disposed inside the cylindrical portion 162 of the driven member 146, the extremity 156 of the end portion 154 nesting in the recess 166 as shown in Fig. 7.
  • the resilient nature of the tripping finger 152 holds the extremity 156 of the end portion 154 resiliently in position in the recess 166.
  • the gear wheel portion 164 of the driven member 146 engages with the respective gear wheel 84.
  • the drive member 144 of each torque limiting mechanism 142 is driven by the respective gear wheel 170 in a counterclockwise direction with reference to Figs. 4 and 7.
  • this drive is transmitted via the relevant tripping finger 152 to the respective driven member 146 which in turn drives the gear wheels 84, 85, 64 and 60 of the respective pick mechanism 12, thereby rendering this pick mechanism 12 operational.
  • the end portion 154 of the tripping finger 152 is offset from the portion 158 in a direction opposite to the direction of rotation of the drive member 144. As will be explained in more detail later, if due to a malfunction in the pick mechanism 12 the torque applied by the drive member 144 to the driven member 146 exceeds a certain limit, then the end portion 154 of the tripping finger 152 is displaced towards the relevant hub portion 148 out of engagement with the recess 166, against the spring action of the tripping finger 152, thereby allowing the drive member 144 to rotate relative to the driven member 146 with the driven member 146 being stationary.
  • the drive member 144 can continue to rotate relative to the driven member 146 with no drive being transmitted to the relevant pick mechanism 12. It should be understood that although the drive to the pick mechanism 12 in which the malfunction occurred is disconnected, drive continues to be applied in normal manner to the other pick mechanism 12 via the respective torque limiting mechanism 142.
  • the operation of the cash dispenser unit 10 will now be described with additional reference to Figs. 8A and 8B and Fig. 9. This operation is controlled by electronic control means 172 (Fig. 9) of the cash dispenser unit 10.
  • the electronic control means 172 is connected to the motor 66, to each phototransistor sensor 73, and to a suction control means 174 of each pick mechanism 12.
  • the control means 172 sends a signal to the motor 66 so as to switch on the motor 66 and cause the assemblies of the gear wheels 60, cams 58 and timing discs 68 to commence to rotate.
  • the electronic control means 172 initiates the sending of signals to the suction control means 174 of a selected one of the pick mechanisms 12 so as to connect the tubular member 30 of the selected pick mechanism 12 in controlled manner to a source (not shown) of the reduced pressure, thereby initiating the picking of notes from the associated cassette 14.
  • the timing of the application of reduced pressure to the tubular member 30, and hence to the associated suction pads 38, is under the control of signals generated by the phototransistor sensor 73 of the selected pick mechanism 12.
  • the pick arms 36 of this pick mechanism 12 will undergo an oscillatory movement.
  • the pick arms 36 apply a suction force to the first note 18' of the stack of notes 18 held in the cassette 14 so as to pull the lower part of the note 18' out of the cassette 14 until the lower end of the note 18' comes into contact with the set of rolls 74.
  • the rolls 74 and 78 pull the note 18' away from the cassette 14 until the leading edge of the note 18' enters the nip of the rolls 88 and 90 of the associated transport mechanism 86, after which the note 18' is pulled completely out of the cassette 14 and fed to the stacking wheel 102 in the manner previously described.
  • the electronic control means 172 may cause a series of further pick operations to be carried out in each of which a currency note is picked from one or other of the cassettes 14.
  • the control means 172 Upon the control means 172 ascertaining that the correct number and denomination of currency notes have been picked from the cassettes 14, the control means 172 returns the cash dispenser unit 10 to its quiescent condition by de-energizing the motor 66.
  • the brushes 28 will normally prevent the second note being drawn out of the cassette 14 together with the first note 18', since, in the event of the first and second notes commencing to be drawn out of the cassette 14, the brushes 28 flex the lower ends of these notes, thereby interrupting the application of suction force to the second note and so permitting the second note to fall back into its correct position in the cassette 14.
  • a bunch of notes 18''' may be drawn out of the cassette 14 and become gripped between the rolls 74 and the leading edges of the high portions 83 of the cam rolls 78 as shown in Fig. 8B.
  • an immediate increase occurs in the torque applied by the drive member 144 of the relevant torque limiting mechanism 142 to the associated driven member 146.
  • the bunch of notes 18''' has an overall thickness of more than 2 millimetres (representing about 20 notes in number)
  • this torque will be greater than the limit previously referred to, thereby causing the end portion 154 of the tripping finger 152 of the drive member 144 to become disengaged from the associated recess 166 so as to disconnect the drive to the relevant pick mechanism 12.
  • the electronic control means 172 sends a signal over an output line 176 to the main ATM processor (not shown), this signal indicating that a gulp feed has occurred in the cash dispenser unit 10.
  • each torque limiting device 142 is such that, when the relevant pick mechanism 12 recommences operation, the drive member 144 re-engages with the associated driven member 146 in exactly the same rotational position relative to the other parts of the pick mechanism 12 as it was in when disengagement occurred.
  • torque limiting devices 142 provide a simple, cheap and effective means of protecting the cash dispenser unit 10 from damage in the event of a gulp feed occurring.
  • picking of multiple notes having an overall thickness of not more than 2 millimetres by one of the pick mechanisms 12 will not cause a jam or any damage to the gear mechanism 65, such multiple notes being detected by the multiple note detect means previously referred to and being diverted to the reject note container 136.
  • the tripping fingers could be redesigned so that the central portion extends around more than one eighth of the circumference of the hub portion.
  • the tripping finger could be redesigned so that the central portion extends around less than one eighth of the circumference of the hub portion.
  • the member 146 could act as a drive member with the gear wheel portion 164 engaging with the relevant gear wheel 170, while the member 144 could act as the driven member with the gear wheel portion 150 engaging with the relevant gear wheel 84.
  • the torque limiting mechanisms 142 described above have application to apparatuses other than currency note pick mechanisms of a cash dispenser unit. Having regard to Fig. 7, if the drive member 144 were driven in a clockwise direction instead of in a counterclockwise direction, then the drive member 144 would only become disengaged from the driven member 146 when the torque applied by the drive member 144 to the driven member 146 reaches a much higher value as compared with the value when disengagement takes place with the drive member 144 being driven in a counterclockwise direction. If a torque limiting device as shown in Fig. 7 were included in the drive mechanism of a sheet feeding device in which the normal feed direction corresponds to rotation of the drive member 144 in a counterclockwise direction (with reference to Fig.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Claims (8)

  1. Drehmomentbegrenzungsmechanismus zur Verwendung in einem Antriebssystem, wobei der Mechanismus ein erstes (144) und ein zweites (146) drehbares Element aufweist, von denen das eine als antreibendes Element und das andere als angetriebenes Element dient und das erste und zweite Element eine gemeinsame Rotationsachse haben,
    dadurch gekennzeichnet, daß
    das erste Element einen ringförmigen Nabenabschnitt (148) und einen aus einer Außenfläche des Nabenabschnitts (148) herausragenden federnden Finger (152) aufweist, wobei der federnde Finger (152) aufweist: einen an den Nabenabschnitt (148) angrenzenden ersten Abschnitt (158), einen von dem Nabenabschnitt (148) beabstandeten und mit dem ersten Abschnitt (158) verbundenen mittleren Abschnitt (160), der sich von dem ersten Abschnitt (158) in einer ersten Richtung teilweise um den Umfang des Nabenabschnitts (148) weg erstreckt, und einen mit einem Ende des mittleren Abschnitts (160) entfernt von dem ersten Abschnitt (158) verbundenen eingreifenden Endabschnitt (154), und daß das zweite Element (146) zur Aufnahme des Nabenabschnitts (148) einen hohlen, zylindrischen Abschnitt (162) mit einer Ausnehmung (166) zur Aufnahme des eingreifenden Endabschnitts (154) des federnden Fingers (152) aufweist, wobei der eingreifende Endabschnitt (154) geeignet ist, federnd in die Ausnehmung einzugreifen, zu dem Zweck, ein auf das angetriebene Element auszuübendes Antriebsdrehmoment zu erzeugen, und der federnde Finger (152) geeignet ist, sich aus dem Eingriff mit der Ausnehmung (166) zu lösen, wenn das Drehmoment einen bestimmten Grenzwert übersteigt und dadurch das antreibende Element in die Lage versetzt, sich bezüglich des angetriebenen Elementes in eine Richtung entgegengesetzt zur ersten Richtung zu drehen.
  2. Mechanismus nach Anspruch 1, dadurch gekennzeichnet, daß sich die Ausnehmung (166) und der erste Abschnitt (154) des federnden Elementes (152) jeweils parallel zu der Rotationsachse erstrecken.
  3. Mechanismus nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der erste Abschnitt (154) des federnden Elementes (152) und die Ausnehmung (166) jeweils abgerundet ausgebildet sind.
  4. Mechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Nabenabschnitt (148) und der federnde Finger (152) einstückig ausgebildet sind.
  5. Mechanismus nach Anspruch 4, dadurch gekennzeichnet, daß das erste (144) und zweite (146) Element aus Kunststoff spritzgegossen sind.
  6. Mechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das erste (144) und zweite (146) Element jeweils erste (150) und zweite (164) Zahnradabschnitte aufweisen.
  7. Blatthandhabungsvorrichtung, um Blätter einzeln nacheinander von einem Stapel (18) von in einem Behälter (14) befindlichen Blättern zu entfernen, und die Blätter zu einer Ausgabestation (130) zu fördern, wobei die Vorrichtung aufweist: eine Blatt-Transportvorrichtung (65, 74, 78, 86) und eine Blatt-Eingriffsvorrichtung (36), die angeordnet ist, um einen Teil eines Endblattes (18') des Stapels vom übrigen Stapel abzuziehen und diesen Teil zum Eingriff durch die Transportvorrichtung zu positionieren, wobei die Transportvorrichtung im Betrieb durch einen Elektromotor (66) angetrieben ist und erste (74) und zweite (78) Walzenmittel aufweist, die so angeordnet sind, daß sie das Endblatt zwischen sich einklemmen zu dem Zweck, das Blatt aus dem Behälter (14) zu entfernen, dadurch gekennzeichnet, daß die Transportvorrichtung einen Drehmomentbegrenzungsmechanismus (142) nach Anspruch 6 aufweist, wobei der erste Zahnradabschnitt (150) mit einem Zahnrad (170) in Eingriff ist, das Teil einer mit dem Elektromotor (66) verbundenen Kraftübertragungsvorrichtung (65, 138, 140) ist, und das zweite Zahnrad (84) Teil eines Antriebsmechanismus (84, 85) zum Antreiben der ersten (74) und zweiten (78) Walzenmittel ist.
  8. Bargeld-Ausgabemechanismus (10) zum Ausgeben von Banknoten, dadurch gekennzeichnet, daß der Mechanismus eine Vorrichtung nach Anspruch 7 aufweist, um Banknoten einzeln nacheinander aus einer Geldscheinkassette (14) zu entnehmen und die Scheine zu einem Banknotenausgabeschlitz (130) zu fördern, wobei der erste Abschnitt (154) des ersten Elementes (144) so angeordnet ist, daß er bei Vorkommen eines irrtümlich aus der Geldscheinkassette gezogenen und zwischen den ersten (74) und zweiten (78) Walzenmitteln eingeklemmten Geldscheinbündels (18''') mit mehr als einer bestimmten Dicke aus dem Eingriff mit der Ausnehmung (166) gelöst wird.
EP91310410A 1990-11-16 1991-11-12 Drehmomentbegrenzungsmechanismus zur Verwendung in einem Antriebsystem Expired - Lifetime EP0486252B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909024998A GB9024998D0 (en) 1990-11-16 1990-11-16 Torque limiting mechanism for use in a drive system
GB9024998 1990-11-16

Publications (3)

Publication Number Publication Date
EP0486252A2 EP0486252A2 (de) 1992-05-20
EP0486252A3 EP0486252A3 (en) 1993-03-17
EP0486252B1 true EP0486252B1 (de) 1995-04-12

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Application Number Title Priority Date Filing Date
EP91310410A Expired - Lifetime EP0486252B1 (de) 1990-11-16 1991-11-12 Drehmomentbegrenzungsmechanismus zur Verwendung in einem Antriebsystem

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EP (1) EP0486252B1 (de)
DE (1) DE69108855T2 (de)
GB (1) GB9024998D0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024975D0 (en) * 1990-11-16 1991-01-02 Ncr Co Sheet handling apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205649A (en) * 1987-06-12 1988-12-14 Ncr Co Apparatus for detecting the passage of multiple superposed sheets

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451508A1 (fr) * 1979-03-16 1980-10-10 Dervieux Paul Ets Dispositif limiteur de couple
JPS60241533A (ja) * 1984-05-16 1985-11-30 Nhk Spring Co Ltd スプリングクラツチ装置
JP2521303B2 (ja) * 1987-09-07 1996-08-07 シャープ株式会社 自動給紙装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205649A (en) * 1987-06-12 1988-12-14 Ncr Co Apparatus for detecting the passage of multiple superposed sheets

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 114 (M-473)(2171) 26 April 1986 & JP-A-60 241 533 ( NIHON HATSUNIYOU K.K. ) 16 May 1984 *

Also Published As

Publication number Publication date
DE69108855T2 (de) 1995-12-14
EP0486252A3 (en) 1993-03-17
DE69108855D1 (de) 1995-05-18
GB9024998D0 (en) 1991-01-02
EP0486252A2 (de) 1992-05-20

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