JP2010049527A - Coin delivery device and coin handling apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coin delivery device using a carrying disk that reduces failures such as locking and jamming and can easily resolve such failures if any, even when handling many different denominations. <P>SOLUTION: A carrying disk type coin delivery device guides coins to through-holes in the carrying disk rotated along a sliding surface at the bottom of a coin supply chamber and moves the coins along the sliding surface to deliver out one by one. The carrying disk is provided with a plurality of protrusions on an upper surface except for the center of rotation. At least one of the protrusions has a different distance from the center of rotation from the others, and at least one of the protrusions has a different shape, height or thickness from the others. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a coin discharging device that discharges stored coins one by one to the outside, and a coin processing device using the coin discharging device. In particular, the present invention relates to a coin discharging device and a coin processing device capable of processing a large amount of coins of a plurality of denominations in a short time.

  The coin processing device is used for, for example, an automatic ticket vending machine at a station. The coin processing device calculates and displays the total amount of coins deposited from the coin deposit slot, and changes the amount obtained by subtracting the amount of purchased tickets from the deposit amount. This is a device that pays out coins and pays out coins of the adjusted amount. For the coins to be used for the change or the like, a circulating system is used in which the received coins are sorted and stored for each denomination (for example, Document 1). However, there are cases where the change is insufficient using the circulation method, and it is necessary to replenish and store the change in advance in preparation for such a case (for example, Document 2).

When replenishing change, it is required to check that the replenished coins are authentic one by one at the time of storage by the coin processing device of the storage destination. For this reason, it is necessary for the coin processing device to include a coin discharging device that discharges the replenished coins one by one at a certain time and feeds them to the coin identifying unit. As a conventional coin discharging apparatus, there is one using a carrying disk (rotating disk) as shown in FIG. 12 (for example, References 3 and 4). FIG. 12A is a side sectional view of a conventional coin discharge device, and FIG. 12B is a view taken along the line AA ′ in FIG. This type of coin discharge device is located at the bottom 19a of the coin storage unit with the replenishment coins 2 stored in the coin storage unit 19 (hereinafter sometimes referred to as “replenishment box 19”), and its surface is inclined. The coin 2 stored while receiving the assistance of gravity moves from the plurality of through holes 4 of the carrying disk via the recesses 8 on the back surface of the carry disk 5, Sequentially discharged from the discharge port 7. In such a structure, since only one coin enters the concave portion 8 at the same time, coins are discharged one by one.
JP 2003-162749 A (FIG. 1, paragraph 0026) Japanese Patent Laid-Open No. 10-255102 (FIG. 11, paragraph 0041) Japanese Patent Laying-Open No. 2005-284812 (FIG. 4, paragraph 0029) JP 2002-222449 A (FIG. 4, paragraph 0028)

In coin replenishment, it is required that a large amount of coins in which a plurality of denominations are mixed can be processed in a short time. For this purpose, the number of rotations of the carrying disk 5 is increased.
However, it has been clarified in the inventor's many years of development experience that the following problems arise when the number of rotations of the carrying disk 5 is simply increased. That is,
(1) The carrying disk 5 and the replenishment coin 2 may be engaged with each other, and the rotation of the carrying disk 5 may be locked to stop the discharge of the replenishment coin 2 (this state is hereinafter referred to as “bad engagement”).
(2) Further, although the state of the replenishment coin 2 is the bridge state, the saddle state, and the synchronization state, which will be described in detail later, the carrying disk 5 rotates, but the replenishment coin 2 may not be released to the outside (such as The state is hereinafter referred to as “scraping failure”).
Such abnormal states (1) and (2) can be prevented to some extent by handling only a single denomination and optimizing the dimensions and the like for a specific denomination. However, the configuration in which the release device is provided for each denomination has a drawback that the entire coin processing device is enlarged. Also, coin replenishment requires that different denominations can be processed together for work reasons, and the solution of the above problems is important.

  Accordingly, the present invention solves the problems of the coin discharge device using the conventional carrying disk 5 and realizes a coin discharge device that does not cause the above-mentioned biting state and scraping state with a simple structure. Objective.

In order to achieve the above object, the coin discharging device of the present invention includes, for example, a base portion 3 having a flat sliding surface 3a on which a coin 2 slides and moves, as shown in FIGS. A plurality of holes 4 ₁ to 4 _{3, which} are arranged in parallel to the moving surface 3 a, rotate in a predetermined positive direction R 1 along the sliding surface 3 a and receive the coins 2, are formed, and the holes 4 ₁ to 4. ₃ is moved along the sliding surface 3a by rotational movement, and the coins 2 are discharged one by one to the outside, and the opposite side of the surface c facing the sliding surface 3a. A plurality of protrusions 6 _{1 to} 6 ₃ fixedly arranged on the surface b of the carrying disk 5 other than the center O of the rotational movement, and the distance from the center O of at least one of the protrusions 6 _{1 to} 6 ₃ (e.g., _{r 1)} distance from the rotation center of the other protrusions _r 2, r Unlike, and comprises at least one shape of the projection 6, the height, or thickness is a different projection 6 from other projections 6.

Here, the “coin” typically includes a plurality of denominations. However, the case of a single denomination is not excluded. “Positive direction” refers to the rotational direction in which the coin 2 that has fallen into the holes 4 ₁ to 4 ₃ slides on the sliding surface 3 a by the rotational movement of the carrying disk 5 and is discharged to the outside through the discharge port 7. . This rotational direction depends on the shape of the recess 8 provided on the back surface of the carrying disk 5. The “hole” is a hole having a radius larger than the largest radius of the coins to be replenished and large enough to accommodate the coin. The “other than the center of the rotational movement” does not include the protrusion 6 provided on the rotation center O of the carrying disk 5, in other words, does not include the rotation center O in the bottom surface of the protrusion 6 on the carrying disk 5 side. It is. Therefore, for example, the central protrusion 14 shown in FIG. 2B does not correspond to the protrusion in the present invention.

Because of this structure, even if the accumulation state of the coins stored in the coin discharge device is an abnormal state such as a locked state, a bridge state, a heel state, or a synchronized state, which will be described later, Since the coins are agitated randomly, the accumulation state of the coins changes each time, and the coins can be normally introduced into the holes to recover the normal state.
Furthermore, in the present invention, since at least one of the distances from the protrusions to the rotation center O is different from the distances of the other protrusions, irregularity (randomization) of the stirring of the coins is promoted, and abnormal states such as the above-mentioned locked state Can be effectively avoided. In addition to this, the shape, height, and thickness of the protrusions 6 are also different from those of the other protrusions, which promotes irregular stirring.

  In order to achieve the above object, for example, as shown in FIGS. 1 and 10, the coin discharge device of the present invention further includes a monitor unit 9 for monitoring the discharge operation of the coin discharge device 1, and a monitor unit 9. When it is determined that the discharging operation is abnormal (S9, S10), a means for rotating the carrying disk 5 in the reverse direction (S11) to restore the discharging operation to a normal state is provided.

  With this configuration, the protrusion on the carrying disk stirs the coin in the direction opposite to the normal rotation direction in the event of an abnormality, and the abnormal accumulation state of coins that cannot be removed in the normal rotation direction is restored to the normal state. can do.

  In order to achieve the above object, the coin processing apparatus 10 according to the present invention, as shown in FIG. 11, for example, receives coins 2 released one by one from the replenishing unit 26 including the coin discharging apparatus 1 (see FIG. 1). A deposit transfer unit 30 for transferring to the coin distribution unit 31 is provided.

  Since it has such a configuration, a small and highly reliable coin processing apparatus that can replenish a plurality of denominations in large quantities can be realized.

  Embodiments of the present invention will be described below with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted. In addition, subscript numbers or alphabetic characters are used to distinguish each other when there are a plurality of components having the same configuration. However, when there is no need to distinguish between them, the description will be made without subscript numbers.

  FIG. 1 is a diagram for explaining the overall structure of a coin discharge device 1 according to an embodiment of the present invention. Here, FIG. 1 (a) is a schematic cross-sectional view of the coin discharge device 1, and FIG. 1 (b) is a view seen from the direction C of FIG. 1 (a), excluding the replenisher 19 that is also a coin storage unit. It is the schematic diagram which showed the principal part. As shown in FIG. 1 (a), the coin discharge device 1 stores a coin 2 in cooperation with the base portion 3 having a flat sliding surface 3 a on which the coin 2 is drawn and moved. A replenishing container 19 which is an enclosure and has a discharge port 7 formed as an opening in a part thereof, and a carrying which is arranged in parallel to the sliding surface 3a and rotates in a predetermined direction along the sliding surface 3a. A disk 5 is provided. Coins are fed into the replenishing cabinet 19 from the replenishing port 20. The replenishing port 20 has a structure that is larger than the replenishing warehouse bottom 19a so that a large amount of coins can be easily inserted. The coins to be input are a mixture of multiple denominations. For example, a total of about 1400 sheets of 500 10-yen coins, 200 50-yen coins, 500 100-yen coins, and 200 500-yen coins can be stored. The replenished coins are stored in the replenishing warehouse bottom 19a. In this case, the direction of the coins is not constant, and there is a so-called bulk product state in which various denominations are mixed. The carrying disk 5 is formed with a hole 4 penetrating the carrying disk 5 in which the coin 2 is accommodated. The coin 2 accommodated in the hole 4 is moved along the sliding surface 3a by a rotational motion, thereby allowing the coin 2 to be 1 Each sheet is discharged from the discharge port 7. The base part 3 and the carrying disk 5 are inclined so that the discharge port 7 faces downward, so that the coin 2 can be smoothly guided with the aid of gravity. The carrying disk 5 is rotated about the drive axis 17 by the drive motor 12 via the gear head 11.

On the surface b (hereinafter referred to as “upper surface”) of the carrying disk 5 opposite to the surface c of the carrying disk 5 facing the sliding surface 3a of the base 3 of the carrying disk 5, a plurality of protrusions 6 (FIG. 1 (a) is provided with 6 ₁ , 6 ₂ , and FIG. 1 (b) is provided with 6 _{1 to} 6 ₃ . Further, a central convex portion 14 may be provided on the upper surface at the position of the drive shaft 17 of the carriage disk 5.

  FIG. 1 (b) shows the bottom of the replenishing cabinet 19 and its periphery when FIG. 1 (a) is viewed from the C direction. A delivery guide 16 and a delivery roller 15 are disposed on the left and right sides of the discharge port 7, and operate to hold the discharged coin 2 on the left and right and guide it to the outside of the coin discharge device 1. A pair of end sensors 13 are provided so that the detection light is projected immediately above the discharge port 7 and at substantially the same height as the upper surface of the carrying disk 5. The end sensor 13 detects whether or not the replenished coin 2 remains in the replenishing cabinet 19. The remaining coin is detected at a position immediately above the discharge port 7 because the carrying disk 5 is inclined. Therefore, it is installed so that the light projection path passes through the position. The end sensor 13 includes a light projecting unit 13t that projects light and a light receiving unit 13r that receives light projected from the light projecting unit, and the light projected by the light projecting unit 13t is residual coins. It is an optical sensor, such as a photo sensor, that detects the presence of the object by being blocked by light and not being detected by the light receiving unit 13r. The end sensor 13 outputs the coin detection result to, for example, the control unit 40 that controls the rotational movement of the carrying disk 5.

  The coin discharge device 1 of the present invention will be further described with reference to FIG. The coin discharge device 1 of this embodiment is suitable for processing a large amount of coins of many denominations at a high speed, and is incorporated in, for example, a vending machine or a gaming machine. In the present embodiment, description will be made on the case of processing coins, but the present invention can also be applied to medals and tokens. The coin discharge device 1 is configured such that, for example, the rotational movement of the carrying disk 5 is controlled by the control unit 40. The control unit 40 may be provided in a vending machine or the like in which the present coin ejection device is incorporated, or may be incorporated in the present coin ejection device 1 itself.

  The replenishment store 19 stores the coins 2 and is arranged on the upper part of the coin discharge device 1. Further, the replenishing cabinet 19 has a replenishing port 20 in the upper portion, and is configured so that coins can be supplied from the replenishing port 20. The replenishing cabinet 19 is made of a transparent resin. Thereby, the state of the coins stored can be confirmed by visual observation from the outside.

  Moreover, the coin delivery device 1 has a drive means for driving the carrying disk 5 to rotate. Further, the driving means includes a gear head 11 and a driving motor 12. As the drive motor 12, it is preferable to use a DC motor that is excellent in torque, for example. Hereinafter, the drive motor 12 will be described as a DC motor. The gear head 11 decelerates the rotation of the drive motor 12 and transmits it to the carrying disk 5. The carrying disk 5 is configured to be rotationally driven by a drive motor 12 via a gear head 11. The drive motor 12 is electrically connected to a control unit 40 that controls the rotational movement of the carrying disk 5. The drive motor 12 receives power supply from the control unit 40 and is controlled by a drive signal output from the control unit 40.

  The base portion 3 is formed with a sliding surface 3a inclined on the upper surface at a predetermined angle with respect to a horizontal plane. The carrying disk 5 is rotatably mounted on the sliding surface 3 a of the base portion 3. That is, the carrying disk 5 is inclined at a predetermined angle with respect to the horizontal plane. In other words, it is attached so as to be capable of rotating around an axis inclined at a predetermined angle from the vertical direction. The predetermined angle is preferably about 20 to 40 degrees. FIG. 2 shows a case of about 30 degrees. By tilting in this way, the coin discharging device 1 can stabilize the coin 2 guided and stored in the discharge port 7 using gravity, for example, when the load of the coins 2 deposited on the carrying disk 5 acts appropriately. Can be released.

  Here, the coin discharging apparatus 1 will be further described mainly with reference to FIG. 2 and with reference to FIG. 1 as appropriate. 2A is a BB ′ arrow view of FIG. 1A, FIG. 2B is a side view of the carrying disk 5 of FIG. 2A, and FIG. It is a back view.

  The carrying disk 5 rotates by being driven by the drive motor 12 around a drive axis 17 passing through a center O (o) inclined at a predetermined angle from the vertical direction (see FIG. 1A). ). The carrying disc 5 can discharge the coin 2 from the discharge port 7 (see FIG. 1) by rotating in the direction R1 in the figure as a rotating motion in a predetermined direction. Hereinafter, rotation in a predetermined direction is referred to as forward rotation). The carrying disk 5 is also rotationally moved in the direction R2 in the figure opposite to the predetermined direction (hereinafter, the rotation opposite to the predetermined direction is referred to as reverse rotation). When rotated in the R2 direction, the coin 2 is configured not to be discharged from the discharge port 7 (see FIG. 1).

  A central convex portion 14 is provided at the center of the carrying disk 5. The central convex portion 14 is not essential, but is useful for preventing the coin 2 from being placed at the center O.

A plurality of holes 4 having a size capable of receiving the coin 2 are formed in the carrying disk 5. Furthermore, the shape of the hole 4 is circular and its diameter is slightly larger than the maximum diameter of the coins to be processed. In the present embodiment, as the hole 4, the center point on the pitch circle of the rotation center O and concentrically _{O 1,} O 2, _{O 3} and is three circular holes _{4 1,} 4 2, _{4 3} are formed ing. In order to improve the sliding of the coin 2, the corner of the edge of the hole on the upper surface side of the carrying disk 5 is dropped. In the present embodiment, the sizes of the holes 4 ₁ to 4 ₃ are the same. This makes it possible to discharge coins at a constant interval. Further, in this embodiment, the center point _{O 1,} O 2, _{O 3} shows an example in concentric. When the coin 2 is dropped into the hole 4, the center points O ₁ , O ₂ , and O ₃ are on concentric circles because the coin 2 is moved to the inner wall side of the replenishing cabinet 19 by centrifugal force. . Further, the number of holes 4 depends on the size of the carrying disk 5 and the maximum diameter of the coin 2 to be processed. If the number of the holes 4 is large, the discharge interval of the coins 2 can be shortened. On the other hand, if the number is small, the degree of freedom in processing the components of the carrying disk 5 such as an edge for dropping into the holes 4 is increased. It becomes possible. The number of holes 4 is usually 2 to 4. In this embodiment, three cases are shown. As mentioned above, although the typical form was demonstrated about the magnitude | size of the hole 4, a position, and a number, of course, it is not limited to said form, It changes suitably as needed and is a claim. It is not intended to limit.

Projections ₆₁ through ₃ is provided on the upper surface of the carrying disc 5. These projections 6 are one in the upper surface of the region of the carrying disc 5 is divided by a line _h 1 to h ₃ connecting the center _O 1 ~ O ₃ of the rotation center O and the holes ₄₁ to the _third carrying disc 5 A number not exceeding (ie, 1 or 0) is provided. The distances r _{1 to} r ₃ from the rotation center O of each protrusion 6 are set to be different from each other at least one. Here, in the present embodiment, the position of each protrusion 6 in the circumferential direction with respect to the hole 4 is at the midpoint of each hole 4 (in FIG. 2A, for example, the angle between line segments h1 and h3). the showed embodiment) there are projections 6 ₁ a bisector not necessarily be the midpoint. Further, it is preferable that at least one of the protrusions 6 is different in height or thickness. Further, at least one of the shapes of the protrusions may be different from each other. In the present embodiment, the projections 6 are shown in which the distances r ₁ from the rotation center O, the height, the thickness, and the shape are all different among the projections 6. Only a part may differ. Details of the operation of the protrusion 6 will be described later. Here, various shapes such as a cylinder, an elliptic cylinder, a truncated cone, an elliptic truncated cone, and a combination of hemispheres having the same radius on a cylinder can be used. In order to avoid the biting of coins, which will be described later, it is desirable that the shape be smooth with rounded corners.

  On the back surface of the carrying disk 5, a step 21 is formed for extruding and discharging the coin 2 received by the hole 4. The step 21 is formed with a concave portion 8 that is slightly thicker than the thickness of approximately one thickest coin, leaving a shuriken-shaped portion 22. A step 23 is formed in the recess 8 on the opposite side of the step 21. Further, the shuriken-shaped portion 22 is formed with a groove 25 through which a gate pin 24 (described later) fixedly installed on the base portion 3 escapes.

  The coin discharge device 1 will be further described with reference to FIG. FIG. 3A is a schematic view of the carrying disk 5 and its peripheral part as viewed from above. FIG. 3B is a cross-sectional view taken along the line C-C ′ of FIG. The base portion 3 is provided with a gate pin 24 for guiding the coin 2 received in the hole 4 of the carrying disk 5 to the discharge port 7. The base portion 3 has a delivery guide 16 for regulating the width of the discharge port 7 of the coin delivery device 1, and a delivery roller 15 for regulating the release of the coin 2 and repelling the coin 2. . The delivery guide 16 is substantially included in a plane including the sliding surface 3 a of the base portion 3, and is attached in the vicinity of the discharge port 7. The delivery guide 16 regulates the width of the discharge port 7 that is the exit of the coin discharge device 1, and has a substantially trapezoidal plate shape when viewed from the upper surface side of the carrying disk 5. Further, the delivery guide 16 is a coin to be discharged so that the extension amount of a spring (not shown) is constant due to the rotation of a later-described delivery roller 15 and the urging force of the spring (not shown) is kept substantially constant. It has a structure that regulates the movement of The delivery roller 15 is mounted on the sliding surface 3 a of the base portion 3 in the vicinity of the discharge port 7 so as to face the delivery guide 16.

Here, with reference to FIG. 3, the discharge operation of the coin 2 by the rotation of the carrying disk 5 will be described. (In FIG. 4 (a), the illustrated and 2a) holes 4 ₂ into accepted coins 2 carrying disk 5, at a position near the outlet 7 on the paper by the forward rotation of the carrying disc 5 (R1 direction rotation) The movement in the R1 direction is restricted by the two gate pins 24 (moving to 2b in FIG. 3A). Here, the coin 2b is further pushed in by the step 21 of the carrying disc 5 that rotates forward, and due to the shape of the step 21, the contact point between the coin 2 and the step 21 moves outward in the radial direction of the carrying disc 5, and further sent out. The direction of movement is changed downward in the figure while overcoming the urging force of the roller 15 (not shown) and the feed roller 15 is rotated, and pushed in the M1 direction, which is the radially outward direction when viewed from the center O of the carrying disk 5. Is done. When the coin 2 is further pushed out by the step 21, the coin 2 is released so as to be repelled by the elastic energy of the spring of the delivery roller 15 accumulated by the rotation of the delivery roller 15 (see 2c in FIG. 4A). ).

[Locked state]
The operation described above is an operation when the protrusion 6 is not operated. In order to process a large amount of coins at a high speed by mixing various denominations, the following problems arise when the carrying disk 5 is rotated at a high speed. It was. That is,
(A) Biting occurs between the processing coin 2 and the carrying disc 5 (poor biting), and the carrying disc 5 becomes non-rotatable (locked state).
(A) The carrying disc is rotatable, but the coin is not released to the outside for some reason (poor lifting).

FIG. 4 shows an example of the locked state. FIG. 4A is a view of the coin discharging device 1 in such a case as viewed from the replenishing port 20 side of the replenishing cabinet 19. FIG. 4B is a view taken along the line DD ′ in FIG. Two coin 2 ₁ In this _figure, 2 ₂ coin 2 ₂ together is interposed between the inner wall of the central projection 14 and the replenishing chamber 19 of carrying the disk 5 is also in contact with the outer peripheral edge r of the carrying disc 5 carrying the frictional In this state, the disk 5 cannot be rotated. Such a state is likely to occur particularly when soft metal coins (such as 1 yen or 10 yen) are mixed. Such a locked state may also occur when the central convex portion 14 is not provided. Such recovery of the locked state is performed by rotating the carrying disk 5 in the reverse direction. The recovery procedure will be described later. Further, as shown in FIG. 4 (c), the sometimes coin 2 _1, 2 ₂ is in the locked state bite the inner wall of the outer peripheral edge r and replenishing box 19 of the projection 6 and the carrying disc 5. It should be noted that the locked state has various other modes and is not limited to the states shown in FIGS.

  FIG. 5 and FIG. 6 show examples of the flawed defective state. Specific modes of coins in the case of causing a scraping failure will be described below, but can be classified into a bridge state, a saddle state, and a synchronization state. The actual mode is often a composite state of these states, and there are cases where it cannot be clearly classified.

[Bridge state]
FIG. 5 shows a typical example of the bridge state. This state is a state in which the bulky coins 2 bridge the opposing inner walls of the replenishing cabinet 19, and a space (S) is created between the coins 2 and the upper surface of the carrying disk 5. . In such a case, the carrying disc 5 itself can rotate, but the coin 2 does not contact the upper surface of the carrying disc 5 and therefore cannot fall into the hole 4 of the carrying disc 5 and no coin is released. In such a case, even if the carrying disk 5 is reversely rotated in the same manner as in the recovery process in the locked state, it cannot be recovered only by idling. FIG. 5 shows a case where the coin 2 is in contact with the central convex portion 14. In this case, although it is not in a complete bridge state, the carrying disk 5 may be rotatable, which may result in poor lifting.

  FIG. 6 shows an example of the heel state. As shown in FIG. 6 (a), a state in which the wide surfaces of the plurality of coins 2 are in contact with each other on the opposing inner walls of the replenishing cabinet 19 in a state in which the wide surfaces are in surface contact with each other (such a state is referred to as a “coffin state”). It is. FIG. 6B is a side view of FIG. It can be said that this is the bridge state described above. Similarly, a space (S) is generated between the coin 2 and the upper surface of the carrying disk 5. For this reason, although the carrying disk 5 can rotate, the coin 2 is not discharged | emitted.

  FIG. 6C shows a state in which several coins 2 are in a saddle state on the upper surface of the carrying disk 5 and remain near the inner wall of the replenishing cabinet 19 due to gravity or centrifugal force. I'm not depressed. Such a state is likely to occur when the number of coins stored in the replenisher 19 is small. In many cases, this state is canceled when a coin that has been in a saddle state collides with another coin.

  FIG. 7 shows an example of the synchronization state. In this state, the above-described coin 2 in FIG. 6 (c) falls into the hole 4 of the carrying disk 5, but since a plurality of coins have fallen simultaneously, the entire coin is stored in the hole 4. In this state, the coin rotates in synchronism with the rotation of the carrying disk 5. In such a state, the coin cannot be released. Such a state is likely to occur when the number of coins stored in the replenisher 19 is small. This state is often resolved when another coin collides with the coin 2 falling in the hole 4.

  In the present invention, the above-described lock state, bridge state, saddle state, and synchronization state are eliminated by the protrusion 6 provided on the upper surface of the carrying disk 5. Hereinafter, a description will be given with reference to FIGS.

FIG. 8 is a schematic diagram for explaining how the locked state is canceled according to the present invention. FIG. 8B shows a case where there are two protrusions 6. In case the projection 6 is one, the projection ₆₁ collides with the coin 2 by the reverse rotation of the carrying disc 5, which may be overcome locked by breaking the biting of the coin 2.

However, as shown in FIG. 4B, when the space S is formed under the two coins 2 ₁ and 2 ₂ , the protrusion 6 may not work effectively depending on the height of the protrusion. . Therefore, as shown in FIG. 8 in the present invention (b), the projections _{6 2} provided in addition to the projection _61. For example, the protrusion _{6 2} distance _{r 2} from the center O is provided at a distance _{r 1} is less than the position of the center O of the projection _61. Thus another projection 6 ₂ even when the constituting locked in projections 6 ₁ persists collide with another position of the coin 2 can solve the locked state. Incidentally, another projection 6 ₂ without colliding directly in the coin 2, other coin 2 ₃ blown by projections 6 ₂ sometimes overcome collides with the coin 2 _1, 2 _2. Here, the distance r from the center O of each protrusion 6 is not limited to the case of this figure, and may be different from each other. Moreover, even if the distance r is the same, the shape, height, or thickness of the protrusion 6 may be different. In other words, the collision between the protrusion 6 and the coin 2 may occur at random.

  As described above, when the plurality of protrusions 6 are used, the collision with the coin that causes the lock occurs at random, and the probability of cancellation of the locked state is improved. Further, since the stored coins 2 are agitated randomly, the chances of collision with other coins 2 are increased, and the probability of canceling the lock state is similarly improved. In order to stir the coins randomly, it is more effective to vary the height and thickness of each protrusion or to change the shape of each protrusion. Although it is most effective to make the positions, heights, thicknesses, and shapes of the protrusions 6 different for each protrusion 6, similar effects can be obtained even if some of the protrusions 6 are the same. For example, a combination in which only one of position, shape, height, and thickness is different, a combination in which two of position and height are different, and the other two are the same. May be set.

In this manner, the use of the plurality of protrusions 6 often makes it easy to cancel the locked state. However, if the number of the protrusions 6 is too large, the probability that the coin 2 as shown in FIG. In addition, there is a higher probability that it will be flawed as described later. Accordingly, the number of the protrusions 6 may not be too large, and the region between the holes 4 of the carrying disk 5, more specifically, the rotation center O of the carrying disk 5 and each hole 4 as shown in FIG. has been revealed by _{1-4 3} center O ₁ 1 or so on the upper surface of the region of the carrying disc 5 is divided by a line h ₁ to h ₃ connecting ~ O ₃ that is appropriate for the present inventors experimentally . It should be noted that it is not necessary to provide the projections 6 in the entire area of the upper surface of the divided carrying disk 5, and the same effect can be obtained when the projections 6 are not provided in some areas. There is also a form.

FIG. 9 is a schematic diagram for explaining how the present invention cancels the bridge state of FIG. 5 and the saddle state of FIG. 6 (note that the state shown in this figure can also be said to be a bridge state). When there is no protrusion 6 in such a bridge state or a saddle state, even if the carrying disk 5 is rotated in the reverse direction, it simply rotates idly and the defective state cannot be solved. For this reason, the protrusion 6 is provided on the upper surface of the carrying disk 5 and moved along with the rotation of the carrying disk 5 so that the coin 2 and the protrusion 6 collide with each other to break the formed bridge. This elimination process has the same effect in both forward and reverse rotations. In the case of the projections 6 ₁ one in the case of FIG. 5 (b), lower projection ₆₁ height for the space S can not break the bridge state not reach the coin 2. Therefore, such as its position in the carrying disk on 5 was (distance from the center O of the carrying disc 5, the same below), causing a collision to another position of the bridge by providing a different projection 6 ₂ having different heights, It is possible to break the bridge. In addition to the case where the projection 6 collides directly with the coin 2, there is a case where a coin other than the coin forming the bridge on the upper surface of the carrying disk 5 is carried by the projection 6 and collides with the coin forming the bridge, thereby breaking the bridge. is there. In such a case, if not only the height and position of the protrusion 6 but also the shape and thickness thereof are changed, the state of collision with the coin changes and a collision with a coin other than the coin forming the bridge occurs at random, thereby eliminating the bridge state. It works effectively.

  That is, the present invention breaks the bridge state by increasing the randomness of collision or coin agitation with a plurality of protrusions having different positions, heights, thicknesses, or shapes. From such an action, it is most effective to make the positions, shapes, heights, and thicknesses of the protrusions 6 different from each other, but the same effect can be obtained even if some of them are the same. For example, a combination in which only one of position, shape, height, and thickness is different, a combination in which two of position and height are different, and the other two are the same. May be set. In many cases, the use of such a large number of protrusions 6 facilitates the cancellation of the bridge state. Conversely, if the number of protrusions 6 is large, the coin 2 as shown in FIG. Since the probability of being in a locked state increases as a result of being bitten, the number of protrusions is limited. This point has already been explained and will not be explained further.

FIG. 9 is a schematic diagram for explaining that the structure having the protrusion of the present invention is effective even in the saddle state as shown in FIG. Namely, with respect coin two became bale state, the projection ₆₁ and collision (FIG. 9 (a)), or, collides with another coin 2 ₁ coin has moved the top surface of the carrying disc 5 with projections 6 Then, the heel state is broken (FIG. 9B). Also in this case, the position, height, thickness, or shape of the protrusions 6 can be made different for each protrusion 6, and the randomness (irregularity) of stirring of the coins 6 can be improved to further effectively break the heel state. I can do it.

The present invention is also effective in a synchronized state as shown in FIG. That is, as shown in FIG. 9 (c), the move in a different coin 2 ₁ projections 6 in the carrying disc 5 top, expelling coins 2 ₂ through the hole 4 by striking the coin 21 in the synchronized state, 2 ₃ is accommodated in the hole 4 to cancel the synchronization state. Even in such a case, the synchronized state can be further effectively broken by providing a plurality of protrusions 6 and increasing the randomness of the stirring of coins by making the positions, shapes, heights, and thicknesses of the protrusions different.

[Recovery processing]
Most of the scraping defects described above can be avoided by the forward rotation operation of the carrying disk 5 having a plurality of different protrusions 6. However, depending on the accumulation state of the coins 2, the lifting failure may be maintained. In order to eliminate this state, it is often possible to solve the problem by rotating the carrying disk 5 a little in the reverse direction and then rotating it again in the forward direction. This is because the reverse rotation causes a collision different from the case of the forward rotation. Next, a specific procedure for recovery by this method will be described. Note that the same procedure is effective for recovery from the biting failure (locked state), and will be described together.

  FIG. 1A shows the configuration of the monitor means 9 for detecting a biting failure and a lifting failure. The lock state of the carrying disk 5 is detected by monitoring the drive current of the drive motor 12 with the drive current detector 39. When the drive motor 12 is locked, the drive current increases as compared with the normal operation state. Therefore, the lock state can be detected by detecting the current. Scattering failure is determined by detecting whether the coin 2 discharged from the discharge port 7 of the coin discharge device 1 is detected by the replenishment counting sensor 38 within a predetermined time and whether the carrying disk 5 is rotating. To do. That is, the timer of the control unit 40 is set from the start of rotation of the drive motor 12, starts counting, and the coins to be discharged are counted by the replenishment counting sensor 38 within a predetermined count number (= predetermined time) (shielded from the light projection state). However, if the drive current of the drive motor 12 has not increased to a predetermined value or more, it is determined that a drip defect has occurred. Note that the carrying disk cannot be rotated by detecting the drive current by the drive current detection unit 39 in the same manner as the detection of the locked state. It is the control unit 40 that makes a determination of a scraping failure. It should be noted that it is well known that detection of non-rotation is possible by methods other than detection of the drive current monitor, such as using an optical sensor, and other methods can be used as appropriate. Moreover, it is not the main point which restrict | limits applying another method also about a fried state detection.

  FIG. 10 shows a specific procedure for coin replenishment processing and release processing. This will be described with reference to FIGS. 1 and 3 as appropriate. Initially, coins are replenished to the replenisher 19 by the staff's manual work (S1). Then, the drive motor 12 operates to drive the carrying disk 5 to rotate in the forward direction (S2). At the same time, the overcurrent detection threshold value of the drive current is set, the count time of the replenishment count sensor 38 (replenishment count timer time) is set, and the detection of the drive current and the replenishment count sensor are started (S3). Note that the replenishment counting timer time is sufficiently longer than the time interval from the rotation of the carrying disk 5 to the release in normal operation, and if the coin 2 is not released even after this time has elapsed, it is abnormal. It is set to the determined time interval and is typically a few seconds. The current value of the drive current of the drive motor 12 is detected by the drive current detector 39 (S4), and when it is equal to or greater than a predetermined current value, it is determined that the biting state is present (S4: YES). When the current value is less than the predetermined current value (S4: NO), the carrying disk 5 continues to rotate and the discharge operation continues (S6). Next, the coins discharged from the replenishment counting sensor 38 are detected (S7). If there is no release (S7: NO), the process returns to S4. The above operations in steps S4 to S7 are repeated until the replenishment counting timer expires. When the time is up (S5: YES), it is determined that there is a scraping defect. When the replenishment counting sensor 38 (see FIG. 1) is shielded and a discharged coin is detected (S7: YES), it is determined that the discharging operation is normally performed, and the end sensor 13 (see FIG. 1) keeps the replenishing cabinet 19 remaining. The presence or absence of coins is confirmed (S8), and if coins remain (S8: YES), the process returns to step S3. This series of operations (S3 to S8) is continued until the replenishment coins disappear from the replenishment storage 19. The control of the replenishment coin release / stop is performed by the control unit 40, and the coin release is continued until a stop command is issued.

  In the case of a scraping failure (S9), the carrying disk 5 proceeds to a defective operation recovery process (S9 to S19) in which the reverse rotation and the forward rotation are repeated. First, the drive motor 12 is rotated in the reverse direction (S11). The rotation angle in this case is set as appropriate, but here it is usually less than one round. The coin 2 in the bridge or heel state has the carrying disc 5 provided at different positions and provided with projections 6 having different heights, thicknesses, shapes, etc., so that each projection has no effect on the coins. It becomes a rule, and each state is destroyed, and it is possible to promote dropping into the hole 4 (S12). The scraped state that could not be released by the forward rotation operation is broken by the backward rotation operation because the collision condition with other coins 2 is different from the forward rotation by the backward rotation. Next, the carrying disk 5 is rotated again in the forward direction (S14). This forward rotation / reverse rotation operation is repeated up to a predetermined number of times (six times in the present embodiment) until the defective operation is resolved, but forward rotation / reverse rotation between S12 and S14. Is repeated (S13), and if a predetermined number is exceeded (S13: YES), an error message is issued. If the number of forward / reverse rotation repetitions is less than or equal to the predetermined number, the carrying disk 5 is driven to rotate in the forward direction as described above (S14), and the defective operation is recovered in the same procedure as in S3 to S7. Confirm. That is, the threshold value for detecting the overcurrent of the drive current and the replenishment count timer are set (S15), whether the drive current is detected and the lock state is detected (S16), and even if the replenishment count timer expires By detecting that no coin is released, it is confirmed whether or not there is a scraped state (S17). If it is locked or scraped (S16: YES, S17: YES), the carrying disk 5 is again rotated in the reverse direction. (S11). If the replenishment count timer is before time-up, the coin release operation is executed (S18), the coin release is confirmed by the replenishment count sensor, and if it is not confirmed (S19: NO), the release operation is set to the replenishment count timer set value. Repeat until time. When it is confirmed that coins have been released (S19: YES), it is determined that the normal operation has been recovered, and the process returns to step S3 to complete the recovery process.

  The same process is performed when the biting is defective (locked state) (S10). In the release of the biting failure, the protrusion 6 having a position different from, or different in shape, height, and thickness from the protrusion 6 causing the locked state by reverse rotation driving (S11) causes the lock. Acts on coins in the vicinity of coin 2. Furthermore, if the rotation angle of the reverse rotation is increased and the rotation angle is more than one, the protrusion 6 that causes the locked state acts on the coin 2 in the reverse direction, and the chance of breaking the locked state by the action of these protrusions 6 increases. To do. Further, the rotation angle of each time is set to an arbitrary value among the predetermined number of times of the reverse rotation / forward rotation, and the action on the coin 2 is made more irregular by making it different at each time, for example. Can be improved, and the effect of cancellation can be improved.

  In addition, the point which makes such a rotation angle different is effective similarly also in cancellation | release of a scraping defect. Further, the procedure described in FIG. 10 is an example, and it is obvious that the order of each procedure can be changed. In addition, various detection methods including a detection method for biting / scraping failure are not limited to those described here. In short, it has means for detecting the operation of the coin ejector using the carrying disk 5 provided with a plurality of projections 6 having different positions, shapes, heights, thicknesses, etc. The disk 5 may be rotated in the reverse direction / forward direction.

[Configuration of coin handling equipment]
Next, with reference to FIG. 11, the structure of the coin processing apparatus 10 which uses the coin discharge | release apparatus 1 mentioned above is demonstrated. The coin processing apparatus 10 includes a deposit port 27, a deposit dispensing unit 28, an identification unit 29, a deposit transport unit 30, a coin distribution unit 31, a temporary storage unit 32, a stacker unit 33, a replenishment reject box 34, a withdrawal transport unit 35, A safe unit 36, a withdrawal port 37, a coin replenishment unit 26, and a control unit 40 are provided.

The deposit port 27 receives one or a plurality of coins input from the user into the coin processing device 10.
The deposit payout unit 28 separates a plurality of coins put into the deposit port 27 one by one and feeds them to the deposit transport unit 30.
The deposit conveyance unit 30 includes a deposit conveyance path (not shown), a driving means (not shown), a pulley (not shown), an identification unit 29, etc., and identifies the coins fed from the deposit feeding unit 28, and distributes the coins. It conveys to the part 31. The deposit conveyance path conveys coins fed from the deposit feeding section 28 by a combination of sheet metal and a conveyance belt, and the conveyance belt conveys the coins so that the coins are sandwiched between the centers. The drive means is composed of a pulley, a drive motor, etc., and drives the conveyor belt. The identification unit 29 is a sensor that identifies the inserted coin, and includes a detection circuit, a CPU, a data storage unit, and the like, and identifies the authenticity and type of the coin, and the identification information is output to the control unit 40. The

  The coin distribution unit 31 distributes coins into denominations and items to be rejected, and includes a distribution plate (not shown) and a reject unit (not shown). The distribution board is provided with a hole of a size of each denomination, and distributes the coins conveyed by the conveyor belt to the temporary storage units 32 corresponding to each denomination. The denomination distribution is not limited to the distribution plate, and may include a plurality of distribution claws. The reject unit includes a sorting claw (not shown) provided upstream of a sorting plate (not shown), a chute (not shown) below it, and the like. In the case of a depositing operation, deposits other than regular coins are rejected, and coins are distributed to the withdrawal port 37. In the case of the replenishment operation, the replenishment coins that cannot be replenished are rejected, and the coins are distributed to the replenishment reject box 34. Each reject coin is output when the operation timing is output from the control unit 40 based on the identification information from the identification unit 29, and is distributed by the movement of the distribution claw by a driving means (solenoid) or a link mechanism (not shown). In the case of the present invention, switching between deposit and replenishment is performed by deposit / replenishment distribution means of the temporary storage unit 32 described later, and a chute below the reject unit (not shown) is provided in the unit in the same manner as the temporary storage unit 32. It is done.

  The temporary storage unit 32 temporarily holds the coins inserted by the user and the replenishment coins inserted by the staff, and includes a deposit / replenishment distribution unit, a shutter / partition plate opening / closing mechanism, a shutter position detection unit, a coin (not shown). It is comprised from the reservation part which consists of a residual detection means, the drive means which drives a reservation part, etc.

  The stacker unit 33 stores a large amount of coins for each denomination and discharges the coins to the outside when necessary, and the release mechanism operates when a withdrawal is required by a transaction or whenever a coin is collected. The withdrawal coin is sent to the withdrawal port 37 through the withdrawal transport unit 35 and the collected coin is sent to the safe unit 36.

  The dispensing conveyance unit 35 includes a conveyance belt (not shown), a motor that drives the conveyance belt, and the like, and conveys the dispensing coins released from the stacker unit 33. Further, the deposit reject coin rejected by the coin sorting unit 31 is also conveyed to the withdrawal port 37.

  The withdrawal port 37 is provided in the customer service portion, and is a portion from which return / withdrawal coins are discharged by the transport belt of the withdrawal transport unit 35. In addition, the rejected coins and foreign matters other than the coins fed out by the deposit feeding unit 28 are also released.

  The replenishment part 26 is a part for replenishing coins in preparation for a shortage of change or the like. It comprises the above-described coin discharge device 1 and monitor means 9 for monitoring the discharge operation. The coins released by the coin discharging device 1 are joined and transported to the deposit transport unit 30, checked for authenticity of the replenished coins by the identification unit 29, and then sorted for each denomination by the coin sorting unit 31. It is stored in the stacker unit 33 through the unit 32.

[Operation of coin handling equipment: deposit / return / collect / replenish / withdraw]
Below, operation | movement of the coin processing apparatus 10 is demonstrated. FIG. 11A shows the flow of coins in the case of depositing and returning, which are indicated by a solid line and a broken line, respectively.
The deposit and return storage procedures are as follows.
(A) Wait for payment from the user.
(A) When a user inserts a coin into the deposit port 27, a detector (not shown) detects it and starts a deposit process in response to a command from the control unit 40 of the coin processing apparatus 10.
(C) The coins inserted into the deposit port 27 are supplied to the deposit feeding unit 28. The deposit feeding unit 28 stores the supplied coins and feeds the stored coins one by one to the deposit transport unit 30.
(D) Coins fed one by one from the deposit feeding section 28 are transported by the deposit transport section 30 and reach the identification section 29 provided in the deposit transport section 30.
(E) The identifying unit 29 identifies the authenticity of the conveyed coin and outputs the identification result to the control unit 40. The coins that have passed through the identification unit 29 are continuously conveyed to the coin distribution unit 31 by the depositing and conveying unit 30.
(F) The coins conveyed to the coin distribution unit 31 are temporarily stored in the temporary storage unit 32 according to the signal of the control unit 40 and are determined to be true coins based on the identification result of (e) above. Foreign coins, non-processing coins, etc. are returned as deposit reject coins.
(G) The number of passing sheets is counted by a sensor (not shown) provided between the coin distribution unit 31 and the temporary storage unit 32. The counting result is output to the control unit 40 as deposit data.
(H) The coins held in the temporary holding unit 32 are stored in the stacker unit 33 when the transaction ends. Here, “transaction” refers to a series of actions such as deposit → ticketing → return of change in ticketing, for example.
(G) When the user performs an operation to cancel the transaction, the coins held in the temporary holding unit 32 are returned to the withdrawal port 37 via the withdrawal transport unit 35.

Next, the operation | movement in collection | recovery of a coin is demonstrated with reference to Fig.1 (a). The flow is shown by dotted lines in the figure.
(G) A collection operation of the coin processing device 10 is performed by an attendant.
(S) The sorting claw (not shown) is operated by the release mechanism of the stacker unit 33 to release coins as the collecting side.
(Sh) Coins released from the stacker unit 33 are stored in the safe unit 36.

Next, a coin replenishment processing operation and a replenishment reject operation will be described with reference to FIG. The former flow is indicated by a one-dot chain line, and the latter flow is indicated by a two-dot chain line.
(S) The replenishment coins are stored in the replenishment section 26 (part including the coin discharge device 1) of the coin processing device 10 by the attendant.
(C) The coin replenishing device 26 stores the supplied coins, and feeds the stored coins one by one to a replenishing conveyance unit (not shown). The reason for feeding out one sheet at a time is to ensure the certainty of distribution in the identification unit 29.
(Seo) Coins are transferred from the replenishment conveyance path to the deposit conveyance unit 30 and conveyed, and arrive at the identification unit 29 provided in the deposit conveyance separate unit 30.
(T) The identification unit 29 identifies the authenticity of the coins that have been conveyed, and outputs the identification result to the control unit 40. Coins that have passed through the identification unit 29 are conveyed to the coin distribution unit 31.
(H) Based on the command of the control unit 40, the coins conveyed to the coin distribution unit 31 are temporarily stored in the temporary storage unit 32, and the other coins are replenished and rejected as supplementary reject coins. It is distributed to the part 34.
(Iv) A sensor (not shown) is provided between the coin distribution unit 31 and the temporary storage unit 32, and counts the number of coins passed. The counting result is output to the control unit 40 as supplementary data.
(T) Coins held in the temporary holding unit 32 are stored in the stacker unit 33 after completion of replenishment or every predetermined number of replenished sheets. Here, the “predetermined replenishment number” is about 30 in the present invention.
(G) When replenishment is stopped for some reason, the coins (including those remaining in the replenishment conveyance path) held in the temporary holding unit 32 are stored in the replenishment reject unit 34.

Next, the operation in coin dispensing will be described with reference to FIG. The operation flow is indicated by a broken line.
(N) The control unit 40 compares the deposited amount with, for example, the amount necessary for the transaction determined by the user's operation, and the surplus amount, that is, the denomination of coins necessary for withdrawal and each denomination The number of sheets is calculated.
(D) Based on the above calculation result, the control unit 40 ends the operation without performing the withdrawal process when the withdrawal is unnecessary, and waits for the deposit.
(Nu) When the withdrawal is required, the control unit 40 outputs a payout instruction signal for instructing the delivery of the necessary number of sheets to the stacker unit 33 of the corresponding denomination. As a result, each stacker of the stacker unit 33 discharges a required number of coins to the dispensing transport unit 35.
(E) The coins released to the withdrawal transport unit 35 are transported to the withdrawal port 37, and the withdrawal process is completed.

  FIG. 11C shows a control signal relationship between each unit and the control unit 40. Each unit is connected to the control unit 40 by a bus.

  The coin processing device 10 described above is an embodiment in which the coin discharging device 1 according to the invention of the present application is applied to the replenishing unit 26. However, the present invention is not limited to this embodiment, and the present coin discharge device 1 can also be applied to the stacker unit 33. Further, the plurality of embodiments described above are not limited to the scope of the configuration described individually, and the embodiments may be appropriately combined.

The schematic diagram which shows the principal part of the coin discharge | release apparatus of this invention The figure which shows this invention carrying disk The figure which shows operation | movement of the coin processing apparatus of this invention. Diagram explaining the locked state Diagram explaining the bridge state Diagram explaining the heel state Diagram explaining the synchronization state The figure explaining operation | movement in the case of canceling | releasing the lock state by this invention The figure explaining the operation | movement in the case of canceling | disabling the heel state by this invention, and a synchronous state The figure which showed the procedure of recovering the operation | movement of the coin discharge | release apparatus of this invention, and an abnormal state The figure which showed the structure and operation | movement of the coin processing apparatus of this invention. Example of structure of conventional coin dispenser

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Coin discharge | emission apparatus 2 Coin 3 Base part 3a Sliding surface 4 Hole 5 Carrying disk 6 Protrusion 7 Ejection port 8 Recess 9 Monitor means 10 Coin processing apparatus 11 Gear head 12 Drive motor 13 End sensor 14 Central convex part 15 Sending roller 16 Sending guide 16 17 Drive shaft 19 Replenisher (coin storage)
19a Replenishment warehouse bottom portion 20 Replenishment port 21 Step 22 Shuriken-shaped part 23 Step 24 Gate pin 25 Groove 26 Replenishment unit 27 Deposit port 28 Deposit feeding unit 29 Identification unit 30 Deposit transport unit 31 Coin sorting unit 32 Temporary storage unit 33 Stacker unit 34 Replenishment reject box 35 Withdrawal transport unit 36 Safe unit 37 Withdrawal port 38 Replenishment counting sensor 39 Drive current detection unit 40 Control unit

Claims (3)

A base portion having a flat sliding surface on which coins slide and move;
A plurality of holes that are arranged in parallel to the sliding surface and rotate in a predetermined positive direction along the sliding surface to store the coins are formed, and the coins that are stored in the holes are rotated. A carrying disk for releasing the coins one by one by moving along the sliding surface by movement;
A plurality of protrusions fixedly disposed on the surface of the carrying disk opposite to the surface facing the sliding surface, other than the center of the rotational movement, from at least one center of the rotational movement among the protrusions And a protrusion whose at least one of the protrusions is different in shape, height, or thickness from the other protrusions;
A coin discharge device. Monitoring means for monitoring the discharging operation of the coin discharging device;
Means for recovering the discharge operation to a normal state by rotating the rotation direction of the carrying disk in the reverse direction when the monitor means determines that the discharge operation is abnormal;
The coin discharge device according to claim 1, comprising: A coin discharge device according to any one of claims 1 or 2;
A deposit transport unit for transporting coins released one by one from the replenishment unit including the coin discharge device to the coin distribution unit;
A coin processing apparatus.

Images