The present invention relates to automated teller machines, and in particular relates to a dispenser shutter assembly for an automated teller machine that includes a mechanism to prevent damage to the dispenser shutter assembly during manual opening of the shutter of the dispenser shutter assembly.
Automated banking machines are well known. A common type of automated banking machine used by consumers is an automated teller machine (“ATM”), colloquially known by terms such as “cash dispenser”, “cash machine” or “hole-in-the-wall”. ATMs enable customers to carry out banking transactions. Common banking transactions that may be carried out with ATMs include the dispensing of cash in the form of paper currency, the receipt of deposits, the transfer of funds between accounts, the payment of bills, account balance inquiries and mobile phone top-up etc. The types of banking transactions a customer can carry out are determined by capabilities of the particular banking machine and the institution offering the service.
In the United Kingdom there are around seventy thousand ATMs and this number is on the increase. ATM fraud is also on the increase and perpetrators are constantly devising new ways in which to fraudulently extract cash from inside ATMs. One method in which perpetrators attempt to extract cash from an ATM is by using a cash capture device. A cash capture device is inserted by the perpetrator in to a cash dispensing slot such that the cash is intercepted by the cash capture device inside the ATM and not dispensed to a user who has requested the cash. The perpetrator then returns to the ATM to remove the cash that is retained inside the ATM. During the removal operation, the perpetrator forces open the shutter of the ATM from the closed position. In some designs of ATM, the forcing open of the shutter damages the shutter operating mechanism so that the ATM is disabled, which requires intervention by a service engineer before the ATM can return to service.
It would be desirable to provide a solution which prevents the disabling of the ATM by the shutter forcing operation, so that the fraudulent activity does not result in an unserviceable ATM.
The present invention provides a dispenser shutter assembly for an automated teller machine (ATM) and an associated method of preventing damage to a shutter operating mechanism of the dispenser shutter assembly. The dispenser shutter assembly includes: a frame member; a shutter plate operable for moving between a closed position of a shutter and an open position of the shutter; and a shutter operating mechanism. The shutter operating mechanism includes: a shutter operating motor assembly including a motor comprising a drive shaft mounting a worm gear; and a shutter plate. The shutter operating motor assembly is attached to the frame member by an attachment means. The shutter plate is moveable relative to the frame member and includes a worm segment. The worm segment is engageable with the worm gear so that, upon the worm segment being engaged with the worm gear and the worm gear being rotated by the motor, the worm segment and shutter plate are moveable between a closed position of the shutter and an open position of the shutter by sufficient rotation of the worm gear. The attachment means includes a pivotable mounting to the frame member so that the worm gear is moveable out of engagement with the worm segment by pivoting of the motor assembly away from the frame member about the pivotable mounting, so that when the shutter plate is subject to an external force for moving the shutter plate from a first position corresponding to a closed position of the shutter towards a second position corresponding to an open position of the shutter, the external force thereby applied to the worm gear by the worm segment, when above a threshold force value which is lower than a force value determined to cause damage to the mechanism, moves the worm gear of the motor assembly about the pivotable mounting out of engagement with the worm segment thereby preventing damage to the shutter operating mechanism.
The present invention will now be described by way of example only, with reference to the accompanying drawings.
It should be understood that the accompanying drawings are merely schematic and are not drawn to scale. It should also be understood that the same reference numerals are used throughout the description and the drawings to indicate the same or similar parts. Where reference is made to descriptors relating to orientation, such descriptors are used merely for the purposes of clarity and ease of understanding with reference to the drawings and are not intended to limit the scope of the present invention. Embodiments of the present invention may be orientated in any way convenient without departing from the scope of the present invention.
Embodiments of the invention provide a dispenser shutter assembly of an automated teller machine (ATM). The dispenser shutter assembly includes: a frame member; a shutter plate operable for moving between a closed position of a shutter and an open position of the shutter; and a shutter operating mechanism that comprises a motor assembly and a shutter plate.
The motor assembly comprises a motor comprising a drive shaft mounting a worm gear. The operating motor assembly is attached to the frame member by an attachment means. The shutter plate is moveable relative to the frame member and comprises a worm segment. The worm segment is engageable with the worm gear so that, upon the worm segment being engaged with the worm gear and the worm gear being rotated by the motor, the worm segment and shutter plate are moveable between a closed position of the shutter and an open position of the shutter by sufficient rotation of the worm gear. The attachment means comprises a pivotable mounting to the frame member so that the worm gear is moveable out of engagement with the worm segment by pivoting of the motor assembly away from the frame member about the pivotable mounting, so that when the shutter plate is subject to an external force for moving the shutter plate from a first position corresponding to a closed position of a shutter towards a second position corresponding to an open position of the shutter, the external force thereby applied to the worm gear by the worm segment, when above a threshold force value which is lower than a force value determined to cause damage to the mechanism, moves the worm gear of the motor assembly about the pivotable mounting out of engagement with the worm segment thereby preventing damage to the shutter operating mechanism.
In an embodiment, the motor assembly is biased towards engagement of the worm gear with the worm segment by a biasing force, and the biasing force is overcome when the external force applied exceeds the threshold value.
In an embodiment, the biasing force is provided by a biasing means.
In an embodiment, the biasing means includes a spring under tension attached between a first mounting point on the motor assembly and a second mounting point on the frame member.
In an embodiment, the pivotable mounting includes a hinged bracket attaching the motor assembly to the frame member.
In an embodiment, a ratcheting action on the motor assembly occurs during opening of the shutter by application of the external force to the shutter plate.
In an embodiment, after application of the external force to open the shutter, the shutter plate is retained in an open position of the shutter by engagement of the worm gear with the worm segment.
In other embodiments, the invention provides an automated teller machine including a dispenser shutter assembly of any of the previous embodiments.
In another embodiment, the invention provides a method of preventing damage to the shutter operating mechanism of the dispenser shutter assembly by pivotably attaching, by a pivotable mounting, the motor assembly to the frame member of the shutter assembly of the automated teller machine.
The ATM 100 comprises a housing 150 which comprises a non-secure portion 200 and a secure portion 205.
The non-secure portion 200 comprises a further housing having a public outer fascia 155 which comprises a display 105 for displaying user information to a user, screen selection keys 110 and keypad 115 for inputting data, a DC power supply 210, a card reader 225 for receiving a user bank card or other form of identity via a card receiving aperture 130, a cash dispensing aperture 125 and associated shutter assembly 245 for dispensing cash in the form of paper currency processed and stored in a dispenser area 235 of the ATM 100, a deposit aperture 120 for receiving deposits stored in a depository 230 and communicating with a deposit shutter assembly 240, an envelope dispensing aperture 145 for dispensing from envelope dispenser 250 envelopes for holding cash or check deposits for receiving by the deposit aperture 120, a receipt dispensing aperture 140 for dispensing receipts acknowledging a transaction made by a customer, an interlock PCB 255 coupled to a safe door switch 260, and a printer 220 for printing the receipts.
The non-secure portion 200 also houses a data processing apparatus 215 (which may include a PC core) for communicating with each of the components of the ATM 100 in order to process a requested transaction and to control the mechanical components of the ATM 100 in order to complete a requested and authorized transaction.
Dispenser area 235 further comprises a number of optical sensors 305, 310, 315 for detecting and validating the presence of paper currency in the presenter area.
For clarity, the dispenser area 235 referred to herein comprises a presenter unit 355, the dispenser shutter assembly 245 and cash dispenser aperture 125. A person skilled in the art will realize that there are many types of internal configurations of an ATM 100 and the above description is not limiting. Many other configurations are possible without departing from the scope of the present invention.
In use a user inserts the user's bank card into the card reader 130 and the display unit 105 requests the user to enter their personal identification number. The data processing apparatus 215 validates the personal identification number and the display unit 105 presents the user with a number of financial transaction options. When a request for cash withdrawal is made and approved, the data processing apparatus 215 sends an instruction to the pickup module 265 which causes the pickup module 265 to obtain the requested paper currency from one or more of the currency cassettes 340, 345. As the individual units of paper currency are requested, the units of paper currency are validated and in response the presenter belts 365 transport the paper currency through the secure housing along a transportation path 330, 335 (following the direction of the arrows) for dispensing to the user through the cash dispenser aperture 125. In one embodiment, when the paper currency is transported along the transportation path, the paper currency passes under various sensors 350, 315, 310 and 305. The sensors perform various functions such as the following functions:
Sensor 350—acknowledges presence of paper currency after the measuring process.
Sensor 315—acknowledges timely arrival of paper currency for dispense.
Sensor 310—acknowledges timing restrictions and initiates a signal for the dispenser shutter to open.
Sensor 305—acknowledges a timing sequence and signals for dispenser shutter to close.
Once the paper currency is transported a predetermined distance from sensor 305, the shutter of the cash dispenser shutter assembly 245 remains open until the user removes the paper currency from the cash dispenser aperture 125. Once the paper currency is removed by the user, the shutter of the cash dispenser shutter 245 closes.
Shutter plate 420 is mounted to ATM frame member 455 by pivoting joint 425. Motor assembly 435 comprising motor 430 and worm gear 440 is mounted by mounting bracket 460 to ATM frame member 455. Shutter plate 420 is operable for sufficiently rotating movement pivoting about axis of rotation A-A to describe an arc of movement in moving in direction of arrow B of
In embodiments of the present invention, the pivotable attachment means comprising pivotable joint 465 is arranged so that when the shutter plate is subject to an external force for moving the shutter plate from a first position corresponding to a closed position of the shutter towards a second position corresponding to an open position of the shutter, the motor assembly may pivot about the pivotable mounting out of engagement with the worm segment 450, thereby preventing damage to the shutter operating mechanism when the external force applied to the worm gear 440 by the worm segment 450 is above a threshold force value which is lower than a force value which is determined to cause damage to the shutter operating mechanism.
In an embodiment, shutter assembly 400a further comprises a biasing means operable for biasing motor assembly 435 comprising motor 430 and worm gear 440 towards engagement of worm gear 440 with worm segment 450 of shutter plate 420. In the illustrated embodiment of
When a fraudulent user attempts to open shutter plate 420 by exerting an external force in direction of arrow B as shown in
When the exerted external force exceeds the threshold value so that the biasing force is overcome, motor assembly 435 comprising motor 430 and worm gear 440 mounted by mounting bracket 462 to frame member 455 pivots about pivotable joint 465 to move in direction of arrow D of
In a further embodiment, a method of preventing damage to the shutter operating mechanism of a dispenser shutter assembly 400a for an ATM is provided. The method comprises pivotably attaching the shutter operating motor assembly 435 of the ATM to the frame member 455 of the shutter assembly so that a shutter operating worm gear 440 is moveable out of engagement with a shutter plate worm segment 450 by pivoting of the motor assembly 435 away from the frame member 455 about the pivotable mounting. When the shutter plate 420 is subject to an external force, for example in an operation for fraudulently opening the shutter, the external force thereby applied to the worm gear 440 by the worm segment 450, when above a threshold force value, moves the worm gear 440 of the motor assembly 435 about the pivotable mounting out of engagement with the worm segment 450. The threshold force is set to be lower than a force value which is determined to cause damage to the mechanism. Damage to the shutter operating mechanism during a fraudulent forcing of the shutter to an open position is thereby prevented.
It will be apparent that variations and modifications to the above may be envisaged by the skilled person without departing from the scope of the invention. For example, although described as a single pivotable mounting bracket, bracket 462 may comprise a plurality of pivotable mounting brackets. Alternative designs of bracket may be envisaged using other forms of pivoting or rotary attachment. Alternative designs and positioning of the biasing means may also be envisaged, for example associated with or positioned within an alternative design of mounting bracket. Alternative means of attachment of motor assembly 435 to frame member 455 other than a bracket may be envisaged without departing from the scope of the invention. Any suitable attachment means may be used which provides pivoting movement. In alternative embodiments, the ATM may remain in a disabled state after the fraudulent opening and require external intervention to restore normal operation.
The descriptions of the various embodiments of the present invention have been presented for purposes of illustration, but are not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen to best explain the principles of the embodiments, the practical application or technical improvement over technologies found in the marketplace, or to enable others or ordinary skill in the art to understand the embodiments disclosed herein.
This application is a continuation application claiming priority to Ser. No. 15/723,331, filed Oct. 3, 2017, now U.S. Pat. No. 10,109,160, issued Oct. 23, 2018.
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Number | Date | Country | |
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20190103001 A1 | Apr 2019 | US |
Number | Date | Country | |
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Parent | 15723331 | Oct 2017 | US |
Child | 16042500 | US |