EP2233673A1 - Automatic cassette store - Google Patents

Abstract

The storage (1) has an operating device (6) with a retaining chamber (7) for caskets (3), and a moving device (8) for moving the chamber to a movement area (9) of a shelf column (4). A transferring device (11) transfers the caskets between the column and the chamber, and an area of the column is formed as a transferring area (12) for guiding the caskets from the movement area to a control section (2). The transfer area has an inlet for moving the caskets away from the movement area and another inlet for guiding the caskets opposite to the section.

Description

The invention relates to an automatic cassette storage according to the preamble of claim 1.

For storage of valuables, automatic cassette storage can be used in a safe area. The users can carry out storings and expenditures themselves at a control point outside the safe area. The automatic cassette storage systems are constructed analogously to automatic storage warehouses. They include at least one control panel and at least one rack stand with shelves for cassettes. The cassettes used have a cassette height, a cassette width, and a cassette depth, with the cassette depth extending substantially horizontally in the direction of the in-and-out movement. At least one HMI device is used to move the cassettes between the control panel and the shelves.

The operating device includes a cassette receiving area, a moving device for moving the receiving area, and a transferring device that allows grasping and releasing cassettes. On an access side of the at least one rack stand, a movement area is arranged in which the cassettes can be moved on the receiving area of the moving device away from the shelves and towards them. The transfer device moves the cassettes from the shelves in the range of motion and the range of motion in the shelves and against the control panel back or from this.

The at least one operating point, or a relaying point for advancing the cassette against the operating point, is in each case arranged at one end of the movement area, wherein it then lies laterally next to, above or optionally below the at least one shelf stand. The largest extension of such cassette storage, measured from the control point or from the transfer point, is large in relation to the number of storable cassettes and does not allow a sufficiently compact construction of small cassettes. The transport of the cassettes between the shelves and the control or relay point often takes a relatively long time.

CH 573 852 describes a storage system for bank cassettes with shelf stands in which the shelves are arranged in vertical columns and horizontal rows. A conveyor with grippers is movable in a tram along the shelf stand and can perform with the grippers, the removal of a desired cassette from its storage position or the introduction of this cassette in its custody. A control unit directs the movements of the conveyor and its gripper. The issuing and inputting of cartridges to authorized cassette holders is spaced from the rack stand at the end of the tramline by one or more openings in a wall. The construction of this solution is not suitable for a small and compact cassette storage and the transport of the cassettes takes a lot of time. To change the contents of the cassette, the cassettes must be removed by the users from the storage facility, which leads to additional control effort to prevent the disappearance of cartridges and the insertion of false cassettes.

DE 195 32 641 A1 describes a transfer device which comprises endless chain drives with pulling elements in the receiving region of the movement device. This transfer device can only take close to the receiving area cartridges or reset there.

DE 36 37 414 A1 describes a transfer device with support bars over which a chain is guided, whose ends are fixed to the receiving area. The cassettes to be moved lie on the chains above the supporting bars and are moved by the movement of the carrying bars with the chain and thereby faster than the supporting bars. Because the cassettes are carried by the support beams, the support bars and their guide must be designed so that they can carry the maximum permissible weight of the cassettes even in the extended state. To ensure the necessary guidance of the supporting bars, the length of the supporting bars is greater than the extension of the cassettes in the longitudinal direction of the supporting bars. The width of the tramline must be chosen to be much wider according to the length of the supporting bars than would be necessary due to the cassettes. Even if the transfer device with supporting bars only close to the receiving area take cassettes or put back there, it has already due to the overlong support bars already increased space requirements.

The object of the invention is now to find a simply constructed and space-saving automatic cassette storage.

The object is achieved by an automatic cassette storage with the features of claim 1. The dependent claims describe alternative or advantageous embodiments.

In the solution of the problem has been recognized that a control point or a further point not separated from the shelf stand must be located at one end of the range of motion, in which range of motion the cassettes are moved on the access side of the at least one rack stand. Namely, if the operating point or the relaying point is in the range of a rack stand or on the side facing away from the movement of the rack stand, a portion of the rack stand can be formed as a transfer area for passing cassettes from the movement area to the wallstation. The transfer area has access from the movement area and another access, which is not connected to the movement area, but leads to the control point. In the case of cassette storage, the transfer area essentially merely results in the loss of a shelf compartment, namely where the transfer area is located. If the cassettes are taken over by a forwarding device at a continuation point and transported to the operating point, the further point can be arranged directly in the transfer area or else on the side of the rack stand facing away from the movement area.

The arrangement of the transfer area in the rack stand has the advantage that the largest measured from the transfer area expansion of the cassette storage in relation to the number of storable cassettes is small and that due to the special location of the transfer area an extremely compact design of small cassette storage is possible. The average transport distance between the transfer area and all shelves can be minimized, which also ensures an average short movement time of the cassette between transfer area and shelf.

In a basic embodiment, the inventive solution comprises at least one operating point and at least one rack stand with shelves for cassettes. For example, a small rack stand comprises three juxtaposed vertical columns with superimposed shelves. One side of the rack stand forms the access side from which the cassettes are inserted into and removed from the shelves. In the access side of the rack stand, a movement area is arranged in which the cassettes of a control unit be moved, wherein the operating device comprises a receiving area for cartridges, a moving device for moving the receiving area and a transfer device. The transfer device allows cassette movements between the receiving area and the shelves and the transfer area.

In a preferred embodiment, the transfer device performs the cartridge movements from the receiving area through the transfer area to the operating point, so that no transfer of the cassettes is necessary to a further device. During the cassette movement from the receiving area through the transfer area to an access point at the operating point on the side facing away from the movement area outside of the rack stand, the cassette must be moved by the transfer device by at least twice the cassette depth horizontally in the transfer direction. For this large movement, the transfer device should be designed so that it fits into the narrowest possible range of motion. For this purpose, pivotable or telescopic actuators are used, which extend in the retracted position in the transfer direction only over a very small area and reach in the extended position to the control panels.

With pivotable rod-shaped elements can be achieved by a pivoting movement about at least one axis which is substantially perpendicular to the transfer direction, a large expansion difference in the transfer direction. The pivoting movements preferably take place about vertical axes. The pivotable elements may, for example, be arranged in the form of a lattice grating, wherein a portion of the lattice grating is formed by two actuators which are pivotally connected to one another about a central pivot point and at least three sections adjoining each other and pivotable with each other at the free ends of the actuators are connected. Such a transfer scissors extends in a retracted end position in transfer direction only over a narrow range, which corresponds to the product of leg width and number of scissor sections. In an extended end position, the transfer shears extend over a length that substantially corresponds to the product of the leg length and the number of shears sections. The leg width, leg length and number of scissor sections are selected according to an extended end position to be achieved. Often it is expedient if the transfer device does not build much wider than the cassette width. If the Leg length should be chosen only slightly larger than the width of the cassette, so must be selected for a larger maximum feed a higher number of scissor sections.

To operate a transfer scissors, a point of the transfer scissors is set at a point of the moving device and another point of the transfer scissors is moved by a drive means. According to a preferred embodiment, the drive device comprises, via the transfer shears, a linear movement unit which is connected to the movement device and moves a point of the transfer shears in the transfer direction. The linear motion unit may comprise, for example, a rack and a drive with pinion gear meshing with the rack, the rack being fixed to the movement device and the drive being connected to the transfer shears.

In a preferred embodiment, the transfer device is connected to the operating device and in particular to its receiving area for cassettes. For the movement of the cassettes between the transfer area and the shelves, the operating device comprises a two-dimensional movement device with which the positioning of the receiving area is made possible with each shelf and in the trans fersereich. For this purpose, the operating device preferably comprises two linear motion units arranged perpendicular to one another. The vertical linear motion unit is used to move the cartridge receiving area and the horizontal linear motion unit to move the vertical linear motion unit. The vertical linear motion unit must only be able to hold the weight of the receiving area, the transfer device and the maximum filled cassette and move it vertically. The load required for the vertical movement thus does not depend on the dimensions of the rack stand. If the horizontal linear motion unit were moved vertically by the vertical linear motion unit, the weight to be moved vertically would be greater for long shelf stands than for short ones.

The linear motion units are preferably designed as hollow profiles with toothed belt drives arranged at both profile ends around rotary bearings, wherein the movement of the toothed belt is transmitted via a slot to a part to be moved. All internal functional elements are covered by the toothed belt and thus against contact and contamination protected. Because the outside of the profile and the part to be moved are not moving elements, the result is a high level of operational reliability. The drive is arranged in each case at one end of the hollow profile and brought into driving connection with the toothed belt via a positive torque transmission. The drives of the various linear motion units can be operated synchronized without any problems.

According to a preferred embodiment, the cassettes are carried in the movement by means of the transfer device of guides of the rack stand, the receiving area, the transfer area and optionally the control unit. The transfer device does not have to carry the weight of the cartridge but can only pull and push the cartridges on the guides. When using guides with rollers on which the cassettes are moved in a low-friction manner, the motive force to be achieved by the transfer device is essentially not dependent on frictional forces but merely on the desired acceleration and on the maximum cassette mass.

An advantageous transfer device comprises only one engagement element for achieving a retaining engagement on the cartridges. For achieving and releasing an engagement, horizontal movement of the engagement member from the transfer device and vertical movement from the movement device of the operation device are achieved. To grasp the cassette from above, the operating device positions the cassette receiving area slightly above the vertical position required to accept the cassette. Then, the engagement member is extended from the transfer device to the cartridge, so that the engagement member is located over a corresponding engagement portion of the cartridge. Subsequently, the engagement element is lowered from the operating device to the engagement in the engagement region of the cassette.

For the entire movement between the shelves and the transfer area, in particular also the operating device, it only needs two linear motion units and the transfer device, which is also actuated by a linear motion unit. Now, if three linear motion units are used, then they can be designed so that by their control always the position achieved is known. If the position about the operation is always accurate is known, it can be dispensed with sensors that would detect the achievement of desired positions.

In a preferred embodiment, after grasping a cartridge, the transfer device always remains in engagement with the cartridge until the cartridge is in the rack again after moving to the operator panel and back. In such an embodiment, handover problems can be ruled out, which can occur when transferring to a remote from the operating device further.

In order to secure the shelf and the transfer area from unauthorized access, a protective wall is provided on the outside of the rack stand with an exit opening in the transfer area, wherein the exit opening can be closed by an exit slide. To operate the output slide a drive is necessary. The control panel is provided with a control slide which is only open when a cassette is at the control point in the access area. For actuating the control slide another drive is provided.

In order to exclude problems due to inadmissible loading weights of the cassettes, the control panel may include a load cell which prevents movement of the cassette from the control panel to the rack stand when the cassette weight is above a maximum allowable weight. The cassette guide of the operating device is arranged on the load cell.

If the operating device comprises a rotating device with which the receiving area and the transfer device can be rotated by 180 °, the operating device can also operate a second rack stand, which is arranged on the side of the movement area facing away from the first rack stand. During the rotation of the receiving area, the guide, on which a cassette rests on the receiving area and the transfer device, in particular the transfer scissors, rotated. The corner areas are preferably somewhat trimmed, in particular rounded off, so that no unnecessarily large distance to the rack uprights is necessary for turning.

It goes without saying that a control with the control panel, the movement device, the transfer device and optionally with a further device and is connected to slide fasteners, wherein the controller controls the access authorization to a cassette and controls the necessary for providing the cassette at the control room and for storing the cassette in a shelf compartment movements.

Fig. 1

eine perspektivische Darstellung eines Kassettenlagers mit Sicht auf die Be- dienstelle,

Fig. 2

eine schematische Darstellung einer Draufsicht auf einen Ausschnitt des Kas- settenlagers der Fig. 1,

Fig. 3

eine perspektivische Darstellung eines Kassettenlagers mit Sicht auf das Be- diengerät,

Fig. 4

eine schematische Darstellung einer Draufsicht auf das Kassettenlager mit ei n- gezogener Übergabeschere,

Fig. 5

einen vertikalen Schnitt durch eine Kassette an der die Übergabeschere ein- greift,

Fig. 6

und 7 schematische Darstellungen der Übergabeschere in zwei verschiedenen Auszugspositionen,

Fig. 8

eine Ansicht des Regalständers mit einem Ausgangsschieber beim Transfer- bereich,

Fig. 9

eine Seitenansicht des Kassettenlagers, und

Fig. 10

eine perspektivische Darstellung eines Kassettenlagers mit einer Weiterführ- vorrichtung, welche Kassetten zu einer vom Regalständer entfernten Be- dienstelle führt.

The drawings illustrate the invention with reference to two embodiments to which it is not limited. It shows

Fig. 1

a perspective view of a cassette bearing with a view of the operator,

Fig. 2

a schematic representation of a plan view of a section of the cassette bearing of the Fig. 1 .

Fig. 3

a perspective view of a cassette bearing with a view of the operating device,

Fig. 4

a schematic representation of a plan view of the cassette storage with egg n- pulled transfer scissors,

Fig. 5

a vertical section through a cassette on which the transfer scissors engage,

Fig. 6

and 7 schematic representations of the transfer shears in two different extract positions,

Fig. 8

a view of the rack stand with an exit slider at the transfer area,

Fig. 9

a side view of the cartridge warehouse, and

Fig. 10

a perspective view of a cassette storage with a Weiterführ- device, which leads cassettes to a remote from the rack stand Bedienstelle.

Fig. 1 to 4 show an automatic cassette storage 1 with a control panel 2 for filling and emptying a requested cassette 3. The cassette storage 1 u m-holds a shelf stand 4 with shelves 5 for cassettes 3 and a control unit 6 for moving the cassette 3. It goes without saying that substantially the entire rack stand 4 is occupied with shelves 5, of which only some are shown schematically. The dimensioning of the shelves 5 and the cassettes 3 are adapted to each other. The height extends in the vertical direction and the width and the depth in the horizontal direction, wherein the depth extends in the transfer direction. The layout of the cassettes 3 and accordingly the horizontal cross section of the shelves is set for the entire cassette warehouse. The cassette height and according to the height of the shelves can be varied. It is assumed that the height of the smallest cassette 3 and the larger cassettes assigned a multiple of a basic height. The height of a shelf corresponds to the height of the associated cassette plus a separation distance to the overlying cassette. In order for the operator panel to be able to accept all authorized cassettes, the maximum permissible cassette height is also determined.

The operating device 6 comprises a receiving area 7 for a cassette 3, a moving device 8 for moving the receiving area 7 in a movement area 9 on an access side 10 of the rack stand 4 and a transfer device 11 for transferring cassettes 3 between the rack stand 4 and the receiving area 7.

One area of the rack stand 4 is designed as a transfer area 12 for passing cassettes 3 from the movement area 9 to the wallstation 2, the transfer area 12 having two accesses, a first access 13 from the movement area 9 and a second access 14, via which the cassette 3 approaches the control center 2 is to lead.

The shelves 5, the receiving area 7, the transfer area 12 and the operating point 2 comprise each cassette guides 15, on which cassettes 3 rest when they are transferred from the transfer device, wherein the guides 15 are preferably designed as roller guides.

The two-dimensional movement device 8 of the operating device 6 comprises a vertical linear movement unit 16 and a horizontal linear movement unit 17, wherein the reception area 7 is arranged on the vertical linear movement unit 16 and the vertical linear movement unit 16 is arranged on the horizontal linear movement unit 17. In order for the two-dimensional movement device 8 to obtain the necessary stability, two vertically upwardly leading frame parts 18 and at the top thereof a horizontal frame part 19 are arranged on the horizontal linear movement unit 17. The vertical linear motion unit 16 is moved horizontally by a driver of the horizontal linear motion unit 17, wherein guides on the horizontal linear motion unit 17 and on horizontal frame member 19 ensure a tilt-free horizontal movement of the vertical linear motion unit 16. In order to exclude management problems and tilting, it would also be possible to use a second horizontal linear motion unit 17 instead of the horizontal frame part 19 and to operate it synchronously with the first one.

The receiving area 7 is moved by a driver of the vertical linear movement unit 16, wherein a vertical guide 20 on the vertical linear movement unit 16 ensures the horizontal alignment of the receiving area 7.

If the connection between the receiving area 7 and the driver of the vertical linear movement unit 16 comprises a rotating device with which the receiving area 7 and the transfer device can be rotated by 180 °, the operating unit 6 can also operate a second rack stand 4, which is located on the first Shelf stand 4 side facing away from the movement area 9 is arranged. The distance of the receiving region 7 from the linear movement unit 16 must be so large that the rotational movement is possible. Upon rotation of the receiving area 7, the guide 15, on which a cassette 3 rests on the receiving area 7 and the transfer device 11 is rotated. The corner regions are preferably somewhat trimmed, in particular rounded, so that no unnecessarily large distance from the shelf stand 4 is necessary for the turning.

The vertical and the horizontal linear movement unit 16, 17 comprise hollow profiles with toothed belt drives arranged at both profile ends around pivot bearings. The movement of the toothed belt is transmitted via a driver projecting through a slot on the part to be moved. Depending on a drive 21 is arranged at one end of each hollow profile and is connected to the Zah n-belt via a positive torque transmission in drive connection. Preferably, stepper motors are used. If the linear motion units 16, 17 always make the position achieved detectable with their control, the position of the receiving area is always known exactly. If the position is not known due to the control, it must be detected by sensors. The sensor signals would have to be used by a controller for accurate positioning.

The transfer device 11 includes pivotally mounted actuators, which can perform pivotal movements about vertical axes. In the illustrated embodiment, the pivotal actuators are arranged in the form of a lattice grating 22, wherein a portion of the lattice grate is formed by two actuators pivotally connected together about a central pivot point. In order to achieve a certain transfer stroke at least three sections are subsequently arranged one another and pivotally connected to each other at the free ends of the actuating elements. It goes without saying that the number of sections is adapted to the respective conditions.

A first point of the scissors-type grating 22 is fixed to the operating device 6, preferably to the receiving area, and a second point of the scissors-type grating 22, preferably a central pivot point, is connected to a drive device, so that by the movement of the second point a desired movement of a free end of the scissors-type grating is achieved. The drive device is arranged above the scissor lattice 22 and comprises a rack 23 and a drive 24 with a drive pinion engaging in the rack. The rack 23 is fixedly connected to the receiving area 7. The drive 24 is connected to a movable region of the safety lattice 22.

Fig. 1bis 3rd show the scissor lattice 22 in the extended position, in which a Ka-sette 3 is advanced from the receiving area 7 on the transfer area 12 out to the operating point 2. Fig. 4 shows the scissor lattice 22 in the retracted position, in which a cassette 3 is on the receiving area 7. In this retracted position, the cassette 3 can be moved on the receiving area 7 to any shelf 5.

It goes without saying that other linear motion units can be used for the operation of the safety gate 22, when a fixed part with the moving device and a movable part with a movable point of the safety gate 22 is connected.

If the shelf stand 4 is arranged, for example, in the counter room of a bank behind a protective wall, then the operating point 2 can be arranged at the side of the shelf stand 4 facing away from the movement area 9. The transfer device 11 makes the cassette movements from the receiving area 7 through the transfer area 12 to the operating point 2 feasible. At the operating point 2, a control slide 25 is arranged with slide drive 26. The control slide 25 releases the access to the cassette 3, when a cassette 3 is at the operating point 2 in the access area.

The operating point 2 comprises a load cell 27 (FIG. Fig. 3 ), which prevents the movement of a cassette 3 from the operating point 2 to the shelf stand 4 when the cassette weight is above a maximum permissible weight.

The transfer device 11 comprises at its free end for achieving a retaining engagement on a cassette 3, an engagement element 11a. The engagement element 11 a is adapted to a corresponding engagement termination 3 a of the cartridge 3. For achieving and releasing an intervention, the transfer device performs a horizontal movement and the operating device performs a vertical movement of the engagement element.

6 and 7 illustrate the large feed movement, which is achievable with a safety gate 22 and the small footprint of the retracted scissors lattice 22nd

If in an embodiment according to Fig. 4 . 8 and 9 on the outside of the rack stand 4 a protective wall, not shown, is arranged, so a Au s-opening 14 is formed in the transfer area 12 of a slide outlet 28 closable. To actuate the output slide 28, a starting gate drive 29 is used.

Fig. 10 shows an embodiment in which the rack stand 4 is arranged in a floor below the operating point 2. At the upper edge of the shelf stand 4, a transfer area 12 is arranged. The transfer area 12 forms a further point in the area of the shelf stand 4. It goes without saying that this further point could also be formed on the side facing away from the movement area 9 of the shelf stand 4. The operating device 6 moves the cassette 3 on the receiving area 7 to the transfer area 12. There, the transfer device 11 pushes the cassette 3 from the receiving area 7 into the transfer area 12 or to the transfer point. To enable a continuation, the Holding engagement of the transfer device 11 is released to the cassette 3 and the free end of the transfer device 11 withdrawn.

A forwarding device 30 extends from the forwarding point to the operating point 2. Prior to the movement of the cassette 3 into the transfer region 12 or to the advancement point, the advancing device 30 will position a carrier device 31 in the transfer region 12 or at the transfer point, so that the cassette 3 is in the receiving region 7 reaches the driving device 31. The cassette movement is facilitated by cassette guides 15 of the driving device 31. The forwarding device 30 conveys the cassette 3 on the entrainment device 31 to the operating point 2 and after use again to the transfer area 12, where it is pulled by the transfer device 11 back to the receiving area 7.

It goes without saying that the advancing device 30 can be formed as desired and can extend in any direction, in which case the transfer region 12 and the advancement point are respectively selected accordingly. In a laterally away from the shelf stand 4 leading away device 30, the transfer area 12 is arranged at a shelf 5 at the side edge of the shelf stand 4. The advancing device 30 preferably comprises a linear movement unit and the transport device 31 for a cassette 3 movable thereon.

Claims (15)

Automatic cassette storage (1) with at least one operating point (2) for filling and emptying a requested cassette (3), with at least one shelf stand (4) with shelves (5) for cassettes (3) and with at least one operating device (6) a receiving area (7) for a cassette (3), a moving device (8) for moving the receiving area (7) in a movement area (9) on an access side of the at least one rack stand (4) and a transfer device (11) for transferring cassettes (3) between the rack stand (4) and the receiving area (7), characterized in that a region of the rack stand (4) as a transfer area (12) for passing cassettes (3) from the movement area (9) to the operating point (2) is formed, wherein the transfer area (12) has two approaches, a first access (13) from the movement area (9) and a second access (14) over which the cassette (3) is to be guided against the control point (2) t. An automatic cassette storage (1) according to claim 1, characterized in that the transfer device (11) comprises pivotally mounted actuating elements, wherein the pivoting movements take place about vertical axes. An automatic cassette store (1) according to claim 2, characterized in that the pivotable actuating elements are arranged in the form of a scissors grid (22), wherein a portion of the scissors grid is formed by two actuating elements, which are pivotally connected to each other about a central pivot point, and at least three sections adjoining each other and are pivotally connected to each other at the free ends of the actuating elements. An automatic cassette storage (1) according to claim 3, characterized in that a first point of the scissor lattice (22) on the operating device (6), preferably on the receiving area (7) is fixed, and a second point of the scissor lattice (22), preferably a central pivot point , is connected to a drive device (23, 24), so that a desired movement of a free end of the safety lattice (22) is achieved by the movement of the second point. An automatic cassette storage (1) according to claim 4, characterized in that the drive means in the safety lattice (22) comprises a linear movement unit, wherein a fixed part (23) with the moving device and a movable part (24) with the second point of the safety lattice (22 ) connected is. An automatic cassette store (1) according to any one of claims 1 to 5, characterized in that the shelves (5), the receiving area (7) and the transfer area (12) comprise cassette guides (15) on which cassettes (3) rest when they come from the transfer device (11) are handed over, wherein the guides (15) are preferably designed as roller guides. Automatic cassette storage (1) according to one of claims 1 to 6, characterized in that the operating device (6) comprises a two-dimensional movement device (8) with a vertically and a horizontally arranged linear movement unit (16, 17), wherein the receiving area (7) for Cartridges (3) on the vertical linear motion unit (16) is arranged and the vertical linear motion unit (16) on the horizontal linear motion unit (17) is arranged. An automatic cassette storage (1) according to claim 7, characterized in that the horizontal and the vertical linear movement unit (16, 17) are each designed as a hollow profile arranged therein, at both profile ends to pivot bearings driven toothed belt drive, wherein the movement of the toothed belt via a through a Slit protruding driver is transmitted to the part to be moved and a respective drive (21) is arranged at one end of the hollow profile, which is in driving connection with the toothed belt via a positive torque transmission. An automatic cassette store (1) according to claim 7 or 8, characterized in that the transfer device (11) comprises at its free end for achieving a retaining engagement on a cassette (3) an engagement element (11a), wherein to achieve and release an engagement, the transfer device (11) a horizontal movement and the movement device (8) makes a vertical movement of the engagement element (11a) achievable. An automatic cassette storage (1) according to any one of claims 1 to 9, characterized in that the operating point (2) comprises a load cell (27) which makes movement of a cassette (3) from the operating point (2) to the rack stand (4) preventable when the cassette weight is above a maximum allowable weight. Automatic cassette warehouse (1) according to one of claims 1 to 10, characterized in that the operating device (6) comprises a rotating device, which rotates the receiving area (7) and the transfer device (11) by 180 °, so that the operating device (6 ) can also operate a second shelf stand (4), which is arranged on the side facing away from the first rack stand (4) side of the movement area (9). An automatic cassette storage (1) according to any one of claims 1 to 11, characterized in that the operating point (2) at the side facing away from the movement area (9) side of the rack stand (4) is arranged, the transfer device (11) the cassette movements of the receiving area (7 ) through the transfer area (12) to the operating point (2) feasible and at the operating point (2) a control slide (25) with drive (26) is arranged, which gives access to the cassette (3) free when a cassette ( 3) is at the control point (2) in the access area. An automatic cassette storage (1) according to claim 12, characterized in that on the outside of the rack stand (4) a protective wall with an outlet opening (14) in the transfer area (12) is provided, wherein the output opening (14) from an output slide (28) closable and for actuating the output slide (28), a drive (29) is inserted. An automatic cassette warehouse (1) according to one of claims 1 to 11, characterized in that the transfer area (12) has a further point in the area of the shelf stand (4) or on the side facing away from the movement area (9) of the shelf stand (4) Transfer device (11) makes the cassette movements from the receiving area (7) to the continuation point feasible and extends a further device (30) from the further point to the operating point (2), so that a cassette (3) can be taken over by the continuation device (30) at the relaying point and transported to the control point (2). An automatic cassette store (1) according to any one of claims 1 to 14, characterized in that a controller is connected to the operating point (2), the movement device (8) and the transfer device (11), wherein the controller has the access authorization to a cassette (3 ) and controls the movements necessary for providing the cassette (3) at the operating point.

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