Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DEVICE AND METHOD FOR SINGLING VALUE DOCUMENTS AND SYSTEM FOR PROCESSING VALUE DOCUMENTS
Document Type and Number:
WIPO Patent Application WO/2019/105584
Kind Code:
A1
Abstract:
The invention relates a device and method for singling value documents, in particular banknotes, and a system for processing value documents. The device comprises a singler compartment (11, 12) configured to receive a stack (1) of value documents, the singler compartment (11, 12) comprising a support element (11) configured to support the stack (1) of value documents from below, and at least one stop element (12) on which lead edges of value documents of the stack (1) of value documents abut, and a singler unit configured to separate single value documents from the stack (1) of value documents. The at least one stop element (12) comprises one or more indentations forming a profile (14) and being shaped such that, when the lead edge of at least one of the value documents (2), in particular of the uppermost value document of the stack (1), meshes with one of the indentations, tilting up of the meshing lead edge of the at least one value document (2) is inhibited or at least restricted.

Inventors:
GNANANESAN, Bentin (Gnana Bhavan Ambanad Kaimanam PO, Thiruvananthapuram, 0 Kerala, 69504, IN)
Application Number:
EP2018/000539
Publication Date:
June 06, 2019
Filing Date:
November 30, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH (Prinzregentenstr. 159, München, 81677, DE)
International Classes:
G07D11/14; B65H1/06; G07D11/165; G07D11/17
Domestic Patent References:
WO2012004932A12012-01-12
Foreign References:
EP3101632A12016-12-07
JPH09124217A1997-05-13
Other References:
None
Download PDF:
Claims:
P a t e n t C l a i m s

1. A device (10) for singling value documents, in particular banknotes, the device (10) comprising

- a singler compartment (11, 12) configured to receive a stack (1) of value documents, the singler compartment (11, 12) comprising a support ele- ment (11) configured to support the stack (1) of value documents from below, and at least one stop element (12) on which lead edges of value documents of the stack (1) of value documents abut, and

- a singler unit (13) configured to separate single value documents from the stack (1) of value documents,

characterized in that

the at least one stop element (12) comprises one or more indentations (15) which are shaped such that, when the lead edge (2') of at least one of the value documents (2), in particular of the uppermost value document of the stack (1), meshes with one of the indentations (15), tilting up of the meshing lead edge (2') of the at least one value document (2) is inhibited or at least restricted. 2. The device (10) according to claim 1, at least one of the indentations (15) comprising a falling lower face (17) and an upper face (18), the upper face (18) being shaped such that tilting up of the meshing lead edge (2') of the at least one value document (2) is inhibited or at least restricted. 3. The device (10) according to claim 2, the upper face (18) of the at least one of the indentations (15) exhibiting an essentially horizontal orientation or a rising or falling orientation, wherein the angle of inclination of the up- per face (18) is between + 30° and - 30°, in particular between + 20° and - 20°, with respect to the horizontal direction.

4. The device (10) according to claim 2 or 3, wherein the upper face (18) of the at least one of the indentations (15) exhibits a height (h) of between 0.2 mm and 2 mm, in particular between 0.3 mm and 1 mm, in the direc- tion of its orientation.

5. The device (10) according to any of the claims 2 to 4, at least one of the indentations (15) exhibiting a maximum width (w) of between 0.5 mm and 3 mm, in particular between 0.7 mm and 1.5 mm, in the vertical di- rection.

6. The device (10) according to any of the claims 2 to 5, the indentations (15) forming a sawtooth profile (14). 7. The device (10) according to any of the preceding claims, the at least one stop element (12) being given by a stop wall comprising the accordingly shaped one or more indentations (15).

8. The device (10) according to any of the preceding claims, the at least one stop element (12) including at least one rib comprising the accordingly shaped one or more indentations (15).

9. The device (10) according to any of the preceding claims, the support element (11) exhibiting an inclined orientation with respect to the horizon- tal direction.

10. The device (10) according to any of the preceding claims, the at least one stop element (12) exhibiting an inclined orientation with respect to the vertical direction.

11. A system for processing value documents, in particular banknotes, corn- prising

- a device (10) for singling value documents according to any of the pre- ceding claims, and

- a processing device (20, 30, 40, 50 - 52) configured to process, in particu- lar to transport, examine, sort and/or destroy, value documents separat ed from the stack (1) of value documents. 12. A method for singling value documents, in particular banknotes, the

method comprising

- inputting a stack (1) of value documents into a singler compartment, wherein the inputted stack (1) of value documents is supported from be- low by a support element (11), and lead edges of value documents of the stack (1) of value documents abut on least one stop element (12), and

- separating single value documents from the stack (1) of value docu ments,

characterized in that

the at least one stop element (12) comprises one or more indentations (15) which are shaped such that, when the lead edge (2') of at least one of the value documents (2), in particular of the uppermost value document of the stack (1), meshes with one of the indentations (15), tilting up of the meshing lead edge (2') of the at least one value document (2) is inhibited or at least restricted.

Description:
Device and Method for Singling Value Documents and System for

Processing Value Documents

The invention relates to a device and method for singling value documents, in particular banknotes, and a system for processing value documents.

Banknote processing systems usually comprise an input tray, also referred to as singler compartment, into which one or more stacks of banknotes are in- putted either manually or automatically, e.g. via a robot. By means of a sepa- rating mechanism, also referred to as singler, individual banknotes are sepa- rated from the inputted stack, wherein the lowermost banknote of the stack or the uppermost banknote of the stack is drawn from the stack.

When adding another stack of banknotes on top of a previously inputted stack, it may occur that the uppermost banknote of the previously inputted stack is "caught" by the added stack due to friction between the uppermost banknote of the previously inputted stack and the lowermost banknote of the added stack whereby the uppermost banknote of the previously inputted stack is shifted towards lateral ribs of the singler compartment. As a result, the leading edge of the uppermost banknote of the previously inputted stack may slide up or tilt up along the lateral ribs and finally jam between the lat eral ribs and the added stack. When the jammed banknote reaches the sepa- rating mechanism of the singler, same is likely to curl and cause a jam in the singler, which usually requires stopping the singling process for manual re moval of the jam.

It is an object of present invention to provide a device and method for sin- gling value documents, in particular banknotes, and a system for processing value documents, wherein the frequency of occurrence of jams is reduced. The object is achieved by a device and method for singling value documents, in particular banknotes, and a system for processing value documents ac- cording to the independent claims.

A device for singling value documents, in particular banknotes, according to an aspect of the invention comprises a singler compartment configured to receive a stack of value documents, the singler compartment comprising a support element configured to support the stack of value documents from below, and at least one stop element on which lead edges of value docu- ments of the stack of value documents abut, and a singler unit configured to separate single value documents from the stack of value documents. The at least one stop element comprises one or more indentations which are shaped such that, when the lead edge of at least one of the value documents, in par- ticular of the uppermost value document of the stack, meshes with one of the indentations, tilting up of the meshing lead edge of the at least one value document is inhibited or at least restricted.

A system for processing value documents, in particular banknotes, according to another aspect of the invention comprises a device for singling value doc- uments according to the invention, and a processing device configured to process, in particular to transport, examine, sort and/ or destroy, value doc- uments separated from the stack of value documents.

A method for singling value documents, in particular banknotes, according to yet another aspect of the invention comprises inputting a stack of value documents into a singler compartment, wherein the inputted stack of value documents is supported from below by a support element, and lead edges of value documents of the stack of value documents abut on least one stop ele ment, and separating single value documents from the stack of value docu- ments. The at least one stop element comprises one or more indentations which are shaped such that, when the lead edge of at least one of the value documents, in particular of the uppermost value document of the stack, meshes with one of the indentations, tilting up of the meshing lead edge of the at least one value document is inhibited or at least restricted.

Aspects of the invention are based on the approach to provide the at least one stop element with a profile comprising a plurality of indentations, (e.g. forming recesses, notches, barbs or the like) which are shaped and/ or di- mensioned and/or located such that the lead edge of the uppermost bank note of the stack located in the singler compartment can mesh with or engage in one of the indentations when the banknote is shifted towards and/or pressed against the at least one stop element, e.g. when another stack of banknotes is being placed on the top of the stack already located in the sin- gler compartment. Unlike in the prior art, sliding and/ or tilting up of the lead edge of the banknote along the at least one stop element is reliably pre- vented by means of the at least one indentation the lead edge of the banknote meshes with or engages in. It is noted that, in this way, tilting up and jam- ming is not only prevented for a single banknote, e.g. the uppermost bank- note of the stack, but also for more than one banknote, e.g. in case when two or more uppermost banknotes or even the whole stack are or is simultane- ously shifted towards and/ pressed against the stop element. Preferably, the indentations extend approximately parallel to the lead edges of the value documents of the stack located in the singler compartment.

In this way, jamming of banknotes, in particular the uppermost banknote, between the stop element and an added stack and, subsequently, the occur- rence of jams in the separating mechanism of the singler can be avoided or at least reduced in a simple and reliable manner. In summary, by means of the invention the frequency of occurrence of jams is reduced. According to a preferred embodiment, at least one of the indentations com prises a falling lower face and an upper face, wherein the upper face is shaped such that tilting up of the meshing lead edge of the at least one value document is inhibited or at least restricted. The falling lower face promotes the lead edge of the banknote to slightly move along the lower face towards the upper face when the banknote is being shifted towards the at least one stop element, while the lead edge of the banknote stops when it finally reaches the upper face. In this way, it is ensured that the banknote meshes reliably with the indentation. Preferably, the upper face of at least one of the indentations exhibits an es- sentially horizontal orientation or a rising or falling orientation, wherein the angle of inclination of the upper face is between + 30° and - 30°, in particular between + 20° and - 20°, with respect to the horizontal direction. An essen- tially horizontal or only slightly inclined orientation of the upper face of the indentation ensures that sliding or tilting up of the meshing lead edge of the banknote is reliably inhibited.

It is further preferred that the upper face of at least one of the indentations exhibits a height of between 0.2 mm and 2 mm, in particular between 0.3 mm and 1 mm, in the direction of its orientation. In this way, undesired sliding or tilting up of the meshing banknote is reliably inhibited, while a downward movement of the banknotes of the stack along the at least one stop element, on which the lead edges of the banknotes of the stack abut, during the sin- gling process is not adversely affected. Preferably, at least one of the indentations exhibits a maximum width be- tween 0.5 mm and 3 mm, in particular between 0.7 mm and 1.5 mm, in the vertical direction. By this means, it is ensured that the banknote safely mesh- es with the indentation to reliably inhibit or reduce sliding or tilting up of the meshing lead edge of the banknote, while an elevation of the lead edge of the banknote towards the upper face when the banknote is being shifted to- wards the at least one stop element is kept small. According to a particularly preferred embodiment, the indentations form a sawtooth profile. In particular, the at least one stop element comprises a plu- rality of sawtooth-shaped teeth or protrusions (and indentations there between). Preferably, a sawtooth-shaped tooth or protrusion ramps upward and then drops sharply or, reversely, ramps downward and then rises sharp- ly. A sawtooth shape can also be considered as an asymmetric triangle shape. Providing the at least one stop element with a sawtooth profile is a particularly simple and reliable way to ensure that the respectively upper- most banknote of the stack meshes with one of the indentations to inhibit tilting up and jamming of the banknote.

The sawtooth profile can be provided along the whole length of the stop el ement (with the length being the stacking direction of stack located in the singler compartment) or it can be provided only in a lower section along the length of the stop element, beginning at the support element and ending where a maximum stack height of the singler compartment is reached.

Preferably, the at least one stop element is given by a stop wall comprising the accordingly shaped one or more indentations. Alternatively, the at least one stop element includes at least one rib, preferably at least two mutually parallel ribs, comprising the accordingly shaped indentations. In both cases, meshing of the respectively uppermost banknote of the stack with one of the indentations is ensured so that tilting up of the lead edge of the banknote is reliably inhibited.

It is further preferred that the support element exhibits an inclined orienta- tion with respect to the horizontal direction. For example, the angle of incli- nation of the support element with respect to the horizontal direction is ap proximately between 5° and 45°, in particular between 10° and 30°. Due to the slightly inclined support element, the lead edges of the banknotes of the stack abut on the at least one stop element, which ensures that the lead edge of the uppermost banknote of the stack safely meshes with one of the inden- tations when another stack is added on top of the stack. Alternatively or additionally, the at least one stop element exhibits an essen tially vertical orientation or an inclined orientation with respect to the verti- cal direction. For example, the angle of inclination of the stop element with respect to the vertical direction is approximately between 5° and 45°, in par- ticular between 10° and 30°. In this way, the lead edges of the banknotes of the stack reliably abut on the at least one stop element. As a result, the lead edge of the uppermost banknote of the stack can reliably mesh with one of the indentations when another stack is added on top of the stack.

Further advantages, features and applications of the invention will be de- scribed in the following with reference to the figures, wherein

Fig. 1 shows a schematic representation of an example of a system for processing value documents; Fig. 2 shows a side view of an example of a singler compartment ac- cording to the prior art;

Fig. 3 shows a side view of an example of a singler compartment ac- cording to an aspect of the invention; and

Fig. 4 shows a side view of a section of the stop element shown in

Fig. 3 in an enlarged representation; and

Fig. 5 shows a front view of the singler compartment including two ribs provided on the stop element.

Fig. 1 shows a schematic representation of an example of a system for pro- cessing value documents. The system comprises a singler device 10 which is configured to receive at least one stack 1 of value documents, in particular banknotes, and to separate individual value documents from the stack 1.

The singler device 10 comprises a singler compartment having a support el- ement 11 supporting the received stack 1 from below and at least one stop element 12 serving as a stop for the left side of the stack 1. Preferably, the edges of value documents at the left side of the stack 1 - also referred to as "lead edges" of the value documents - abut on the at least one stop ele- ment 12. In present example, the support element 11 is slightly inclined against the horizontal direction, and the at least one stop element 12 is slightly inclined against the vertical direction. The inclined support element 11 facilitates slipping of the received stack 1 towards the stop element 12 due to gravita- tion to ensure that the lead edges of the value documents abut on the at least one stop element 12.

The singler device 10 further comprises a singler mechanism 13 for separat- ing or removing individual value documents from the stack 1. Preferably, the singler mechanism 13 is configured to separate the respectively lowermost value document from the stack 1. But the invention is not limited to this, as a singler mechanism 13 can also be configured to separate the respectively up permost value document from the stack 1.

After separation, each individual value document is conveyed along a transport path 20 to one or more sensor units 30 which are configured to de tect physical properties of the value document and to generate according sensor signals, based on which a control unit 40 controls a subsequent pro cessing of the value document, e.g. ejection into a stacker compart- ments 50, 51 or into a reject compartment 52.

Fig. 2 shows a side view of an example of a singler compartment according to the prior art. In the situation shown in Fig. 2 a), a stack 1 of value docu ments has already been inputted into the singler compartment so that the bottom end of the stack 1 is supported from below by support element 11, and at least some of the lead edges of value documents of the stack 1 abut on stop element 12.

In the situation shown in Fig. 2 a), another stack T of value documents is be ing added (indicated by the solid arrow), e.g. manually or by a gripper of a robot, on the top end of the previously inputted stack 1, wherein the upper most value document 2 of the previously inputted stack 1 is being touched by the bottom end of the stack T being added so that the uppermost value document 2 of the stationary stack 1 is being caught by the moving stack G due to friction forces and shifted towards the stop element 12 (indicated by the dashed arrow). As a result, as illustrated in the situation shown in Fig. 2 b), the lead edge of the uppermost value document 2 of the previously inputted stack 1 may slide and tilt up along stop element 12 and finally jam between the latter and the added stack 1'. When the jammed value document 2 reaches the separat ing mechanism 13 of the singler device 10 (see Fig. 1), same is likely to curl and cause a jam in the singler device 10, which usually requires stopping the singling process for a manual removal of the jam.

Fig. 3 shows a side view of an example of a singler compartment according to an aspect of the invention.

Like in the situation shown in Fig. 2 a), in the situation shown in Fig. 3 a) a stack 1 of value documents has already been inputted into the singler com partment so that the bottom end of the stack 1 is supported from below by support element 11, and at least some of the lead edges of the inputted stack 1 abut on stop element 12. In distinction to the example of Fig. 2, how- ever, the at least one stop element 12 of present example exhibits a profile 14 formed by a plurality of indentations, which are dimensioned and/ or shaped such that the lead edge of at least one of the value documents of the stack 1, in particular the respectively uppermost value document 2 of the stack 1, meshes with at least one of the indentations of the profile 14 when the value document 2 is shifted towards the stop element 12, for example by another stack V of value documents which is being added on the top end of the stack Ϊ, as explained above with reference to Fig. 2 a). In other words, the profile 14 provides the stop element 12 with a barbed face on which the val ue document 2 is caught by means of form-fit.

For example, the stop element 12 may be a two-dimensional wall incorporat ing the accordingly shaped indentations. Alternatively, as shown in Fig. 5, the stop element 12 may include two or more elongated ribs 19a, 19b incor porating the accordingly shaped indentations. The ribs 19a, 19b are mutually parallel and provided along the length of the stop element 12 above the sup port element 11. Their indentations extend parallel to the lead edges of value documents of a stack to be placed in the singler compartment. For example, the wall and/ or ribs are molded parts into which the profile 14 can be easily incorporated.

In distinction to the prior art example, meshing with the at least one indenta tion of the profile 14 prevents the value document 2 from sliding and tilting up at the stop element 12, so that jamming of the value document 2 between the stop element 12 and the added stack 1', as illustrated in the situation shown in Fig. 2 b), can be easily and reliably prevented, as illustrated in the situation shown in Fig. 3 b).

As a result, the risk of curling and jamming of the value document 2 when reaching the separating mechanism 13 of the singler device 10 (see Fig. 1) at a later stage can be eliminated or at least reduced significantly.

It is noted that, in general, above advantages are achieved when a value document, e.g. the uppermost value document 2, of the stack 1 is shifted or slides towards the profile 14 of the stop element 12, regardless of whether the value document 2 is shifted by a moving stack T of value documents which is added on the top end of the stack 1 (as described above with reference to Fig. 2 a) and 3 a)), or by other objects or due to other causes, e.g. by a lower end of a moving gripper inputting another stack V of value documents, by a finger or hand of an operator inputting another stack V of value documents, or due to an air blast and/or gravitation acting on the value document 2.

Fig. 4 shows a side view of a section of the stop element 12 shown in Fig. 3 in an enlarged representation. The profile 14 exhibits a plurality of indenta- tions 15 and protrusions 16 therebetween. Preferably, the profile 14 corre- sponds to a sawtooth profile, wherein the protrusions 16 are sawtooth- shaped. In present example, the stop element 12 is inclined by an angle a of approximately 15° against the vertical direction. Each of the indentations 15 exhibits a falling lower face 17 and an upper face 18 which are dimensioned and/ or shaped such that a lead edge 2' of a value document 2 can engage in or mesh with one of the indentations 15 and, once meshing with the indenta- tion 15, is retained in this position, whereby tilting up of the leading edge 2' along the stop element 12 is inhibited even if the value document 2 is further pressed against the stop element 12, e.g. by a moving added stack V (see Fig. 3).

Preferably, the upper faces 18 of the indentations 15 are inclined with respect to the horizontal direction by an inclination angle b of between approximate ly + 30° and - 30°. In present example, the angle b of the upper faces 18 is approximately + 15°. Preferably, the falling lower faces 17 of the indenta tions 15 are inclined with respect to the horizontal direction by an inclination angle g of between approximately - 20° and - 60°. In present example, the angle g of the lower faces 17 is approximately - 30°.

Preferably, the protrusions 16 and/ or the upper faces 18 of the indenta- tions 15 exhibit a height h of between approximately 0.2 mm to 2 mm. In present example, the height h is between approximately 0.5 and 0.6 mm. It is further preferred that the maximum width w of the indentations 15, i.e. the distance of the peaks of two neighboring sawtooth-shaped protrusions 16, in the vertical direction is between approximately 0.7 mm and 1.5 mm. In pre- sent example, the width w is between approximately 0.9 and 1.1 mm.

By means of the invention, jamming of value documents, in particular the uppermost value document 2 of stack 1 (see Fig. 3), between the stop ele- ment 12 and an added stack V and, subsequently, in the separating mecha- nism 13 of the singler device 10 (see Fig. 1) can be avoided or at least reduced significantly.

Moreover, the profile 14 provided on the stop element 12 helps to pre-fan the value documents of the stack 1 without adversely affecting the downward flow or movement of the value documents towards the support element 11 and singling mechanism 13 during the singling process. Pre-fanning is help- ful to ensure a reliable separation of individual value documents from the stack 1 in the singler mechanism 13, i.e. to avoid or at least reduce so-called double feeds or multiple feeds of value documents. If the support element 11 and/ or the stop element 12 is or are inclined against the horizontal or verti cal direction, respectively, as shown in Figs. 3 and 4, pre-fanning of the value documents is increased compared to a horizontal or vertical orientation of the support element 11 and stop element 12, respectively. Alternatively or additionally, the support element 11 and/or stop element 12 may be set into vibration, e.g. by means of hopper rollers, whereby both the downward flow of the stack 1 and the separation of the value documents is further enhanced.