CA1310502C - Sheet store - Google Patents

Sheet store

Info

Publication number
CA1310502C
CA1310502C CA000548509A CA548509A CA1310502C CA 1310502 C CA1310502 C CA 1310502C CA 000548509 A CA000548509 A CA 000548509A CA 548509 A CA548509 A CA 548509A CA 1310502 C CA1310502 C CA 1310502C
Authority
CA
Canada
Prior art keywords
store
sheet
locking device
cassette
magnetic field
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 - Fee Related
Application number
CA000548509A
Other languages
French (fr)
Inventor
Graham P. Ford
Roger Thornton
Harvey G. Martin
Roger Pilling
Steven M. Hosking
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.)
De la Rue Systems Ltd
Original Assignee
De la Rue Systems Ltd
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
Priority claimed from GB868624192A external-priority patent/GB8624192D0/en
Priority claimed from GB878700704A external-priority patent/GB8700704D0/en
Priority claimed from GB878701253A external-priority patent/GB8701253D0/en
Application filed by De la Rue Systems Ltd filed Critical De la Rue Systems Ltd
Application granted granted Critical
Publication of CA1310502C publication Critical patent/CA1310502C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/04Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/12Devices relieving the weight of the pile or permitting or effecting movement of the pile end support during piling
    • B65H31/14Springs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00Supports or magazines for piles from which articles are to be separated
    • B65H1/08Supports 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
    • B65H1/12Supports 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 comprising spring
    • 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
    • G07D11/125Secure containers

Abstract

ABSTRACT OF THE DISCLOSURE
A sheet store such as a banknote cassette comprises a container having an access opening; a closure member for closing the access opening; and a locking device for locking the closure member in its closed position. The locking device is actuated by contactless communication through a wall of the container.

Description

SHEET STORE
The invention relates to a sheet store comprising a container having an access opening; a closure member for closing the access opening; and a locking device for locking the closure member in its closed position. Such stores are hereinafter referred to as of the kind described Typical locking devices include key operated locks with the number of keys available for operating the lock being limited to prevent fraudulent access. However, simple key operated locks of this type are not impossible to overcome by a skilled lock picker or by someone who gains unauthorised access to the key.
In accordance with one aspect of the present invention, a sheet store of the kind described is characterised in that the locking device is actuated to unlock the closure member by contactless communication through a wall of the container.
This invention has the significant advantage that the location of the locking member and the manner in which it is operated cannot be determined from a visual inspection of the store. Furthermore, in a preferred example in which the store further comprises a second, key operated lock for locking the closure member in the closed position, an unauthorised user would not even suspect the presence of the first locking device.
The locking device may comprise an electrically conductive member which is movable between locked and unlocked positions, the member being biassed towards one of the positions and movable to the other position in response to the generation of a magnetic field in the vicinity of the member. For example, the member may comprise an electrically conductive ring of B

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~10~02 non-ferromagnetic material mounted on a soft iron core within the sheet store container.
In another example, the locking device may comprise a core member around which is wound a coil electrically connected to a solenoid having a plunger, whereby when a changing magnetic flux is coupled into the core, a current flows in the coil to move the plunger away from a closure member locking position.
In accordance with a second aspect of the invention, sheet handling apparatus comprises a sheet store housing adapted to receive a sheet store according to the first aspect of the invention, the sheet store housing including actuating means for actuating the locking device upon insertion of the store into the store housing.
For example, where the first locking device includes a member responsive to a magnetic field, the actuating means may comprise magnetic field generating means such as a permanent magnet or a solenoid.
In one example, the closure member comprises a slidable shutter, the store further comprising control means for moving the closure member between its open and closed positions, the first locking device co-operating with the control means to prevent or permit the control means to operate in accordance with the locking device being in its locked or unlocked position respectively.
For example, the control means may comprise a co-operating rack and pinion, the rack being coupled to the closure device, and the pinion co-operating with the first locking device, the first locking device preventing rotation of the pinion in its locked position.
An example of a banknote cassette in accordance with the present invention will now be described with reference to the accompanying drawings, in which:-Figure 1 is a schematic, perspective view of thecassette, and part of a cassette housing;
Figure 2A is a plan of the upper shutter;
Figure 2B illustrates one of the rails along which the upper shutter slides;
Figure 3 is a cross-section through part of the cassette;
Figure 4A is a perspective view of the tamper-proof control assembly with some parts omitted for clarity;
Figures 4B and 4C illustrate part of the tamper-proof assembly in different positions;
Figure 5 is a perspective view of the front shutter control assembly with parts omitted for clarity;
Figure 6 is a view similar to Figure S but with the control assembly in a different position;
Figure 7 is a view similar to Figure 5 but with further parts omitted;
Figure a illustrates the contactless lock of Figure 5 in more detail;
Figure 9 illustrates the front shutter locking assembly in more detail;
Figure 10 illustrates schematically an alternative form of contactless lock;
Figure ll is a partial plan of the underside of the floor of a cassette;
Figure 12 illustrates the bias control lever in an alternative position;
Figure 13 illustrates those parts of the front shutter control assembly used for actuating the bias control lever; and, Figures 14A-14C are partial, schematic cross-sections illustrating the manner in which a probe and rack interlock.
Figure 1 illustrates a banknote cassette 10 which can be used in either a cash accepting mode or a cash ~3~ ~02 dispensing mode. Figu~e 1 also illustrates parts of a cash dispenser which operates on ~he cassette 10.

The cassette 10 comprises an outer casing 11 hav-ng a lid 12 hinged to the casing 11 at 13. The lid 12 is arranged to ~e swung open by means of a slot 170 in the cassette housing 171 of a cash dispenser along which slides a cam 14 fixed to the lid 12. The slot 170 extends at an angle to the direction of insertion of the cassette 10 into the housing 171.
The lid 12 is cut away at its leading end to form an aperture 15 of rectangular form. The aperture 15 is closed by an upper shutter 16 made of tough plastics material which is slidably mounted to the lid 1~, The shutter 16 is shown in more detail in Figure 2~.
The upper shutter 16 comprises a planar section 16A
having a pair o~ laterally extending abutments 23 at i.s forward end and a pair of laterallv extending wings 20 at its rearward end, each wing 20 having an aperture which receives one end of a respective tension spring 18. As can be seen in Figure 1, the forward end of the shutter 16 has a depending skirt 16B.
The upper shutter 16 is slidably mounted between a pair of L-shaped rails 17A, 17B, the rail 17A being shcwn in more detail in Figure 2B. The rails 17A, 17B are mounted to the underside of the lid 12 via respective flanges 17C. Each rail 17A, 17B has a lower f ance section 17D on which is fixed an upwardly extending pin 19. In addition, each rail 17A, 17B has an aperture 22 positioned forwardly of the pin 19.
The upper shutter 16 rests on the laterally extending portions 17D of the rails with the free ends of the tension springs 18 connected to respective pins 19 as shown in Figure 2A. Thus, the upper shutter 16 is uryed in the forward direction to the closed position shown in Figure 1 by the springs 18. In this forward position, ;~ ' ... . . . .
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' 1310~2 s the skirt 16B of the upper shutter abuts against the front flange portions 12A, 12B of the lid 12.
The upper shutter 16 is prevented from moving in a rearward direction by a pair of stop members, 21 which, in a locked position, protrude through the apertures 22 in the rails 17A, 17B and abut against the adjacent abutments 23. The operation of the stop members 21 will be explained in more detail below.
A pair of control assemblies 30,31 are provided on opposite side walls 12, 11 of the cassette lo. The control assembly 31 constitutes a tamper-proof assembly and is shown in more detail in Figures 4A-4C. This assembly comprises a plastics moulding 31A having a slide member 32 which is moved to and fro within a slot 32A by a lever shown diagrammatically at 33. The position of the lever 33 is controlled by a key operated lock 34 (Figure 1), details of the lock being omitted from Figure 4A, for clarity.
In the position shown in Figure 4A, the caSsettel is in the locked condition with a red indicator 35 being visible through a window 36 in the side wall ll. Clock-wise movement of the key ~as viewed in Figure 1) will move the lever 33 so that the slide member 32 will move to the left, as seen in Figure 4A, against the force of a compression spring 37 connected between one end of a slot 37A in the slide member 32 and part of the plastics moulding 31A. A locking member 39 is slidably mounted in a vertical slot 40 of the mou.lding 31A and is urged in a downward direction by a compression spring 42 provided in the slot 40. The locking member 39 carries laterally extending pin 38 which is positioned within an aperture 32B of the slide member 32. The lower, inner surface of the aperture 32B includes a ramp section 41 and a notch 43.

iL311 ~502 It will be seen from Figure 4A that movement of the slide member 32 to the left under the control of the key operated lock, will cause the pin 38 to ride up the ramp 41 thus drawing the locking member 39 in an upwards direction. This movement will continue until the pin 38 drops into the notch 43 at which point the cassette is in a "primed" condition. This movement of the slide member 32 will bring a green flag 44 into line with the window 36.
In addition to the components shown in Figure 4A, the control assembly also includes a rack and pinion assembly comprising a rack 63 (Figures 4s, 4C) and a pinion 64 (Figure 1) with ~oothed segments mounted on a spindle 65. The teeth of the pinion 64 engage the teeth of the rack 63. The rack 63 also includes an upstanding flange section 6~ having at its leading end a cam surface 63A. The lower er.d of the locking member 39 engages the upper surface of the flange 65, the rack 63 being slidable along a groove 66 of the moulding 31A. The rack 63 is locked to the moulding 31A in a manner (not shown) similar to the manner in which a rack 70 is locked to a moulding 48, cescribed below.
The operation of the tamper-proof assembly 31 is as follows. Whenthe cassette 10 is inserted into a cassette housing 171 of a cash dispenser or cash acceptor, a probe 67 fixed to the housing enters into a slot 68 in the leading end of the cassette. This slot communicates with the slot 66 so that the probe 67 locks with and pushes the rack 63 in a rearward direction, as seen in Figure 1.
The locking of the probe 67 to the rack 63 is similar to the locking of a probe 73 to the rack 70. Just prior to insertion of the cassette, the tamper-proof assembly will have been primed with the pin 38 located in the notch 43, as seen in Figure 4B. Movement o~ ~he rack 63 in response to insertion of the cassette into the cassette - 1310~02 housinq 171, will cause the lower end of the locking member 39 to rise up, d~sengaging the pin 38 from the notch 43.
This disengagement will allow the slide member 32 to spring back to the position shown in Figure 4A under the influence of the compression spring 37 and bring the red flag 35 into view through the aperture 36. Whilst the cassette remains in the cassette housing, the locking member 39 will remain in its present position, but when the cassette is withdrawn, the probe 67 will draw the rack 63 back to its initial position so that the lower end of the locking member 39 will ride back across the cam surface 63A and then drop down behind the rack 63 as shown in Figure 4Co In this position, it will no longer be possible for probe 67 t~ push the rack 63 along the slot 66, thus preventing the cassette from being inserted into another housing.
The purpose of this tamper-proof assembly 31 is to allow the cassette only to be opened by a key holder~
Any attempt to tamper with the cassette in its primed condition, will cause the locking mechanism to trip to the position shown in Figure 4A so that the red indicator 35 is visible through the window 36 signifying that tampering has taken place. It is impossible to reset the red~ indication without a key.
Prevention of the cassette from being opened is achieved indirectly by the control assembly 31 since by preventing the probe 67 from moving the rack 63 along the slot 66 a similar operation is prevented from oacurring in the control assembly 30 to be described below. It is the control assembly 30 which controls opening and closing of the cassette.
In addition to having the upper shutter 16, the lid 12 itself can be opened, primarily when the cassette is used in a cash dispenser. Normally, however, the lid 12 is locked in the closed position by a locking mechanism 13~02 comprising a pin 25 (Figures 2B and 3) extending from the side wall ll to a flange 26 attached to the lower section 17D of the rail 17A. The lid is locked in its closed ?
position bv the engagement of a hook portion 55 of a 5 rotatably mounted toothed segment of pinion 45 of the control assembly 30. This is shown in more detail in Figure 5.
The control assembly 30 shown in Figures 5 - 8 controls the opening and closing of the upper shutter 16, 10 the opening and closing of a front shutter 29, the locking of the lid 12 (as explained above) and the bias applied to a packer plate within the cassette (as explained in more detail below~.
As already mentioned, the control assembly 30 has a 15 toothed segment 45 which is pivotally mounted to a plastics moulding 48 by a pin 46. The pin 46 is set into a boss 47 of the moulding 48, as seen in Figure 7.
A rack 70 is slidably mounted in a slot 71 of the moulding 48 and engages the teeth of a portion 72 of the 20 segment 45. Movement of the rack 70 is controlled by a probe 73 mounted in the housing of the cash dispenser or cash acceptor into which the cassette is inserted, the probe 73 passing through an aperture 74 in the front end 27 of the cassette, the aperture 74 communicating with 25 the slot 71.
The manner in which the probe 73 engages the rack 70 will now be explained with reference to Figures 14A-14C. The rack 70 has a blind borç 180 and an aperture 181 passing through a wall of the bore 180.
The rack 70 is locked in the position shown in Figure 14A by a disc 182 which is received in a recess 183 of the slot 71 and protrudes into the aperture 181 of the rack 70. The disc 182 is prevented from passing through the aperture 181 by a plunger 184 slidably mounted in the bore 180 and biassed towards the position .~ , , . . .
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~3105~2 shown in Figure 14A by a compression spring 185. The rack 70 is prevented from moving to the left in Figure 14A by part of the front wall 27 of the container 11.
When the probe 73 enters the aperture 74 in the container 11 aligned with the rack 70, it enters into the bore 180 of the rack 70 and pushes the plunger 184 further into the bore against the spring action. This movement brings an aperture 186 in the probe 73 into alignment with the aperture 181 in the rack 70 as shown in Figure 14B. Further movement of the cassette relative to the probe 73 causes the probe to push the rack 70 along the slot 710 This movement of the rack 70 acts on the disc 182 which cooperates with a cam face 187 on the mould~ng 48 and the wall of the aperture 181 to move into 15 the apertures 181, 186 thus locking the probe and the rack together. Thereafter, as shown in Figure 14C, the probe 10 can push the rack 70 (either directly or via movement of the cassette relative to the probe~ or can pull it via the disc 182.
When the probe is withdrawn upon removal of the cassette, the rack 70 and probe 10 are drawn back to the position shown in Figure 14B and since the probe is below the centre line of the disc 182, further movem~nt of the probe 10, to the left in Figure 14B, enables the disc 182 to ride the tip of the probe and so become squeezed out of its trapped position to resume the position shown in Figure 14A. The piunger 184 follows the tip of the probe, under the influence of the spring 185, to regain its former position as shown in Figure 1. In this situation, the rack 70 is again locked to the cassette by the disc 182.
It will be seen that coupling and uncoupling of the probe 73 and rack 70 is automatic and occurs in a continuous motion.

~ 3 ~ 2 A similar connection is provided between the probe 67 and the rack 63.
As can be seen in Figure 1, the front 27 of the cassette 10 is cut away to form an aperture 28 which is closed by a front shutter 29, the upper end 24 of the shutter 29 being located, in its closed position, under the skirt 16B of the upper shutter 16.
Opposite sides of the shutter 29 are provided with respective racks 75 (one of which is shown in Figure S) which engage a toothed section 76 of the segme~t 45, and the pinion 64. It will be seen therefore that movement of the rack 70 within the slot 71 will cause the front shutter 29 to be driven downwardly, upon insertion of the probe 73, and upwardly upon withdrawaI of the probe 73 lS due to the corresponding rotation of the segment 45.
The stop member 21 controlled by the assembly 30 is integrally formed with a slide member 57 (Figures 7 and 9), this unit being slidable within a slot 58 of the plastics moulding 48. The slide member 57 carries a pin 56 which is received in an aperture 77 formed in the segment 45. Thus, rotation of the segment 45 in an anti-clockwise direction, as seen in Figure S, will cause the pin 56 to be carried upwardly and hence the stop member 21 to be pushed upwardly along the slot 58 and out through the aperture 22 in the slide rail 17A. This anti-clockwise rotation of the segment 45 will occur as the cassette is withdrawn and it should be noted that if the shutter 16 were kept in an open condition (pulled back) when the cassette was withdrawn, the stop member 21 would not be able to enter the aperture 22 due to its being blocked by the abutment 23 which will cover the aperture. Thus, removal of the cassette from the housing will not be possible. However, once the upper shutter 16 is correctly closed, the stop members 21 will protrude 1 3 ~ `2 through the apertures 22 and the shutter 16 will be locked in its closed position.
The other stop member 21 is controlled in a similar manner by the pinion 64 of the control assembly.
The control assembly 30 is also provided with an auxiliary locking device to further prevent fraudulent operation of the control assembly by, for example, pushing a probe into the aperture 74 with the tamper-proof mechanism either reset or locked. This additional locking facility is provided by a contactless lock including a repulsion ring member 50 made o~ a conductive non-ferrous, non-magnetic material (such as copper) mounted on a soft iron core pin 51 set into the plastics moulding 48. In the locked position shown in Figure 5, a surface 49 of the segment 45 engages the ring member 50 thus preventing clockwise rotation of the segment and hence downward, opening motion of the shutter 29. The ring 50 is urged towards its locked position shown in Figures 5 and 8 by a compression spring 52.
Mounted behind a wall 171 (Figure 1) of the cassette housing of the cash dispenser or cash acceptor into which the cassette is to be inserted, is an AC coil and soft iron core combination 78 positioned such that upon insertion of the cassette into the housing, the coil and core combination 78 when energised will repulse the ring member 50 away from it (due to eddy current affects), thus moving the ring member out of engagement with the surface 49. This then permits clockwise rotation of the segment 45 (Figure 6). When the AC coil and iron core combination 78 is de-energised or the ring member moves out of the influence of the magnetic field produced by the combination 78, the ring member 50 tries to return to the position shown in Figure 5 under the influence of spring 52. It is unable to resume this position when the segment 45 is rotated as in Figure 6 and can only slide .

13105;02 against the inner face of segment 45 until the condition shown in Figure 5 is resumed, whereupon the ring 50 moves once again to block the rotation of segment 45 thus locking it in that position.
Note that it is not necessary to maintain excitation of AC coil 78 once the segment 45 is free and has begun to move.
In order that the contactless lock may not be overcome by a shock load, a balance member 53 is provided, pivoted to the plastics moulding 48 about an axis 54. The member 53 is arranged to balance the dead weight of the e~p~er ring member.
An alternative form of a contactless lock is shown in Figure 10 in which one half of a transforrner 86 is provided in the cassette housing and comprises a U-shaped core 87 around which is provided a coil 88 connected to an AC source 89. The other half of the transformer is mounted within the plastics moulding 48 in place of the ring member 50 and core 51 and comprises a corresponding U-shaped core 90 around which is wound a coil 91 coupled to a solenoid 92. A plunger member 93 of the solenoid is urged in an axially outward direction from the solenoid by a compression spring (not shown) and is retracted from this locking position upon energisation of the solenoid 9~. Such energisation will occur during insertion of the cassette into the cassette housing in the direction of the arrow 94 when sufficient flux couples from the core 87 into the core 90.
The cassette 10 has an inner floor 110, the underside of which is shown in Figure 11. The floor 110 comprises a flat plate 111 with depending sides 112, 113.
: A slot 114 extends almost the whole length Oc the plate 111 and a carrier guide 115 is slidably mounted in the slot 114 for movement from the front of the cassette (full line position) to the back of the cassette ~dotted 13~0502 line position). The carrier guide 115 carries a packer plate lS0 ~Figure l) on the upper surface of the floor 110, the packer plate 150 urging the stack of banknotes within the cassette towards the front of the cassette.
This urging of the packer plate 150 is achieved via the carrier guide 115 which is coupled to a pair of tension springs 151, 152. Spring 152 is made of relatively light gauge wire while spring 151 is made of relatively heavy gauge wire. The spring 151 extends around a guide 116 and is connected to a light gauge spring 153 by a spring connector 124. The light spring 153 is anchored a~ its end opposite from the connector 124 to the floor 110. The spring connector 124 is a cylindrical sleeve into which the looped ends of the springs 151, 153 are placed with a pin then be~ing passed through the overlapping loops forming a rigid connection between the end of both springs and the cylinder. The pin passes through a hole drilled at right angles to the axis of the cylinder and lies flush with the outside wall being a tight fit within its hole.
The spring 152 extends around another guide 116 and is anchored to the cassette floor llO.
The spring 153 is of a lighter gauge of wire than the spring 151 and, in the position shown in Figure 11, the force exerted on the carrier guide 115 is the combined effect of the total extension of both springs 151, 153, and the force exerted by the spring 152. The spring 152 is made of the same gauge of wire as the spring 153 so as to have a similar strength.
A packing plate locking bar 117 is supported on a pivot pin held between a pair of links 120 pivotally mounted to a bracket 121 fixed to the underside of the floor 110. The locking bar 117 is also pivotally connected at 122 between an actuating lever 122A and a backing plate 122B which themselves are pivoted to a .,.. , . ~:

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, . :
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1 3iO~02 bracket 123 fixed to the floor 110. The arrangement is such that the locking bar 117 is substantially parallel with the slot 114 and movement of the lever 122A about its pivotal connection to the bracket 123 will cause the locking bar 117 to move towards and away from the slot 114 while maintaining its parallel condition.
The locking bar 117 is biased towards a first position closest to the slot 114 by a tension spring 118 extending from the locking bar 117 to an anchorage 119 on the cassette floor 110. This first position is shown in Figure 11.
In the position shown in Figure 11, the lever 122 is in its released position in which the combined effects of the light springs 152, 153 and the heavy spring 151 are exerted on the carrier guide 115. In practice, the difference in gauge between the spring 151 and the spring 153 will be such that the spring 151 will act as a substantially rigid member. In this condition, a comparatively light force is exerted by the packer plate 150 against the stack of banknotes in the cassette, and this is suitable when the cassette is to be used in a cash dispensing operation.
In a cash accepting operation, the lever 122A is moved to the locked position shown in Figure 12 in which the spring connector 124 is trapped in a notch 125 of the lever. In this position, the spring 153 will have no affect on the bias applied to the carrier guide 115 which will be infl~enced primarily by the heavy gauge spring 151. The packer plate 150 will therefore be urged under a comparatively heavy force against a stack of banknotes in the cassette.
When the locking bar 117 is in its locked position shown in Figure 11, the carrier guide 115 may engage a leading end 126 of the locking bar or be received in respective castellations 128 along the length of the - .
.: .
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: .
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1~10~02 locking bar 117. This facility enables the packer plate to be restricted to one of a number of positions according to the amount of notes held in the cassette.
This prevents the stack of notes from tipping over like dominoes from which position feeding of the notes would be impossible. This is needed in case the cassette is jolted during transit from one machine to another.
The packer plate can not move far enough to allow this to happen because of locking bar 117. If the cassette is completely full, the carrier guide 115 will be locked in position by engagement against a rear face 127 of the locking bar 117.
In practice, therefore, the lever 122A may take up one of three positions. Firstly, the position shown in Figure 11 in which the locking bar 117 is in its locking position so as to engage the carrier guide 115, the connector 124 being released. In a second, inter-mediate position the lever 122A is rotated in an anti-clockwise direction, as seen in Figure 11, to withdraw the loc~ing bar 117 from its locked position but to maintain the connector 124 released. Finally, in a third position, reached by further anti-clockwise rotation, the lever 122A will engage the connector 124 in the notch 125 and also maintain the locking bar 117 away from its locked position. It should be understood that the lever 122A can only move to this third position if the connector 124 is correctly positioned, and this will only occur when the cassette is empty and the carrier guide 115 positioned sufficiently near to the front of the cassette.
Figure 13 illustrates how the control assembly 30 actuates the lever 122A. Figure 13 is similar to Figure 5, but with most parts of the control assembly omitted for clarity or shown in dashed lines. The lever 122A
engages a slide member 151 slidably mounted within the ;

' 131~5~2 plastics moulding 48. The slide member 151 has a first arm 152 having at its end remote from the lever 122A a slot 153 in which is received a pin 59 mounted to the segment 45 [Figure 5). The slide member 151 has a second arm 154 which extends a short distance in parallel with the arm 152 and in alignment with the rack 70.
The operation of the cassette in both a cash dispensing and a cash accepting mode will now be described.
CASH DISPENSING.
In a cash dispensing mode, it is necessary for both the upper shutter 16 and front shutter 29 to be opened as and in some cases the lid 12 will also need to be raised slightly, while the packer plate must be urged against banknotes in the cassette under the light force due to the spring 153. Initially, the control assembly 31 is primed by turning a key in the lock 34, as previously explained. The cassette is then offered up to a cassette housing of a cash dispenser. This cash dispenser cassette housing has a pair of probes 67, 73 with a relatively short length and a pair of depending nudgers 155, 156 (Figure 1) which engage the upper shutter 16.
As the cassette is inserted, initially, the probes 67, 73 will enter the slots 68, 74 respectively, and engage and lock to respective racks 63, 70. Forward movement of the rack 63 will release the slide member 32 (as previously explained). In addition at this point the contactless lock will be released under the control of the coil/core combination 78 thus permitting further insertion of the probe 73 and sliding movement of the rack 70. This in turn will cause rotation of the segment 45 and the pinion 64 withdrawing the stop members 21 through the apertures 22, so that on further insertion of the cassette 10, the upper shutter 16 can be pushed rearwardly upon engagement with the nudgers 155, 156.

131~2 Just prior to engagement between the shutter l~ and the nudgers 155, 156, the segment 45 will begin to rotate due to movement of the rack 70 thus drawing the front shutter 29 downwardly and away from underneath the skirt 16B. Rotation of the segment 45 will also release the hook 55 from the pin 26 unlocking the lid 12. The cam 14 is received in the slot 170 in the side of the cassette housing, the slot being angled relatlve to the direction of insertion of the cassette so that the lid is pivoted about the hinge 13 away from the remainder of the cassette.
Initially, the leading end of the rack 70 is spaced from the trailing end of the arm 154 of the slide member 151, while the pin 59 on the segment 45 engages an end 156 of the slot 153. Thus, `rotation of the segment 45 will immediately cause sliding movement of the slide member 151 so as to push the lever 122A from its first position, shown in Figure 11, to its second~ intermediate position in which the locking bar 117 is in its unlocked position while the connector 124 is released. At this point, the probes 67, 73 will be fully inserted into the slots 68, 74. Since the connector 124 is released, the packer plate will be urged under the light force against the stack of banknotes in the cassette which can then be withdrawn by the cash dispenser in a conventional manner.
Typically, the cash dispenser will comprise a pair of rollers (not shown) which engage the leading note in the stack by extending through the aperture 28 in the front wall 27, sheets being extracted singly through the aperture 15. An example of such a dispenser is illustrated in EP-A-0161742.
After a dispense operation, the cassette is removed from the housing causing the racks 63, 70 to be pulled back to their initial positions, the lever 122A returning to its first position under the influence of the spring ... ,, ~

: ' :

,~
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~310502 119 and the front shutter 29 closing due to rotation of the segment 45 and pinion 64. In addition, the upper shutter will close under the influence of the spring 19 and the stop members 21 will return to the locking positions in which they protrude through their respective apertures 22 behind abutments 23. The locking bar 117 will lock the packer plate 115 in whichever position it has now reached.
CASH ACCEPTING
In a cash accepting mode, the cassette housing of a cash acceptor will be similar to that of the cash dispenser but with the following differences. Firstly no nudgers 155, 156 will be provided; secondly the probes 67, 73 will be longer than the probes of the cash dispenser; and thirdly the lid 12 will not be raised, although a slot will be provided in the housing to accommodate the cam 14, the slot extending generally parallel to the direction of insertion.
Initial operation of the cassette control assemblies 30, 31 will be similar to that o~ the cash dispenser with the front shutter 29 being lowered and the lever 122A
being moved to its secondj intermediate position.
However, since the probes 67, 73 are longer than the probes of the cash dispenser, further insertion of the cassette into the cash acceptor housing, will cause further sliding movement of the racks 63, 70. This will be accompanied by rotation of the pinion 64 and segment 45 and although this extra motion in the cash accepting mode is only small, the movement of slide member 151 is continued not by pin 59 but by rack 70 which engages the second arm 154 of slide member 151.
The motion of the rack 70 is faster than that of pin 59 because is it at a larger radius with respect to the pivot pin 46. Thus the end of rack 70 takes over from pin 59 and the slide 151 is pushed directly from the "' ~L3~502 rack. Pin 59 meanwhile gets left behind in slot 153 as the slide lSl moves to the left.
In this way a second, substantial motion of lever 122A is possible, similar in stroke to its first motion although the extra rotation of segment 45 for cash accepting is much less than the initial rotation required for cash dispensing. The motion of slide 151 has been divided into two equal parts by changing from pin 59 to rack 70 as the prime mover.
The rack stays in engagement all the time, the shutter is opened further to expose the full extent of aperture 28 to provide an opening large enough for notes to be stuffed into the cassette.
This will move the lever 122A from its second, intermediate position to its third position in which the connector 124 is located within the notch 125. In this position, the carrier guide 115 is biased under the influence primarily of the spring 151 which causes a comparatively high force to be applied by the packer plate 150 against the stack of banknotes. It should be noted that further movement of the slide member 151 in this way is permitted by allowing the pin 59 to slide in the slot 153.
Typically, in a cash acceptor, the cassette is positioned vertically and banknotes are pushed through the aperture 28 into the cassette.

.
!

Claims (10)

1. A sheet store comprising a container having an access opening, a closure member for closing the access opening, and a first locking device for locking the closure member in its closed position wherein the first locking device is actuated to unlock said closure member by contact-less communication through a wall of said container, the first locking device comprising an electrically conductive member which is movable between locked and unlocked positions, the member being biassed towards one of the positions and movable to the other position in response to the generation of a magnetic field in the vicinity of the member and said electrically conductive member being made of non-ferromagnetic material whereby when the lock member is brought into the vicinity of an AC magnetic field, eddy currents are generated in the lock member which then moves against the bias due to the interaction of the AC magnetic field and the field generated by the eddy currents.
2. A store according to claim 1, wherein the electrically conductive member comprises a ring slidably mounted on a soft iron core within the sheet store container.
3. A store according to claim 2, further comprising a balance member pivoted to the container and engaging the ring to balance the dead weight of the ring.
4. A sheet store according to claim 1, further comprising a second, key operated lock for locking the closure member in the closed position.
5. A sheet store according to claim 2, further comprising a second, key operated lock for locking the closure member in the closed position.
6. A sheet store according to claim 1, 2, 3, 4 or 5, the store further comprising control means for moving the closure member between its open and closed positions, and a third locking device cooperating with the control means to prevent or permit the control means to operate in accordance with the third locking device being in its locked or unlocked position respectively.
7. Sheet handling apparatus comprising a sheet store housing and a sheet store according to claim 1, 2, 3, 4 or 5, the sheet store housing including actuating means for actuating an AC magnetic field to cause operation of the first locking device upon insertion of the store into the store housing.
8. Sheet handling apparatus according to claim 6, wherein the first locking device comprises an electrically conductive member which is movable between locked and unlocked positions, the member being biassed towards one of the positions and movable to the other position in response to the generation of a magnetic field in the vicinity of the member, and wherein the actuating means comprising magnetic field generating means.
9. Sheet handling apparatus comprising a sheet store housing and a sheet store according to claim 6, the sheet store housing including actuating means for actuating an AC magnetic field to cause operation of the first locking device upon insertion of the store into the store housing.
10. Sheet handling apparatus according to claim 9, wherein the first locking device comprises an electrically conductive member which is movable between locked and unlocked positions, the member being biassed towards one of the positions and movable to the other position in response to the generation of a magnetic field in the vicinity of the member, and wherein the actuating means comprising magnetic field generating means.
CA000548509A 1986-10-08 1987-10-02 Sheet store Expired - Fee Related CA1310502C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB868624192A GB8624192D0 (en) 1986-10-08 1986-10-08 Sheet store
GB8624192 1986-10-08
GB878700704A GB8700704D0 (en) 1987-01-13 1987-01-13 Interlock assembly
GB8700704 1987-01-13
GB8701253 1987-01-21
GB878701253A GB8701253D0 (en) 1987-01-21 1987-01-21 Sheet store

Publications (1)

Publication Number Publication Date
CA1310502C true CA1310502C (en) 1992-11-24

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Application Number Title Priority Date Filing Date
CA000548509A Expired - Fee Related CA1310502C (en) 1986-10-08 1987-10-02 Sheet store

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US (3) US5071032A (en)
EP (3) EP0326569B1 (en)
CA (1) CA1310502C (en)
DE (2) DE3776350D1 (en)
ES (2) ES2025169B3 (en)
WO (1) WO1988002733A1 (en)

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Also Published As

Publication number Publication date
EP0326569A1 (en) 1989-08-09
EP0326569B1 (en) 1992-01-22
US4890766A (en) 1990-01-02
EP0263680A1 (en) 1988-04-13
US5071032A (en) 1991-12-10
DE3771990D1 (en) 1991-09-12
WO1988002733A1 (en) 1988-04-21
ES2025169B3 (en) 1992-03-16
ES2005382A6 (en) 1989-03-01
DE3776350D1 (en) 1992-03-05
EP0263680B1 (en) 1991-08-07
US4798316A (en) 1989-01-17
EP0266908A1 (en) 1988-05-11

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