CN1854039B - Apparatus for withdrawing money from cash transaction machine - Google Patents

Abstract

Provided is a withdrawal apparatus of a cash transaction machine, including a storage device for storing a paper medium; a stacking device for stacking the paper media transferred from the storage device; a withdrawal device for giving a user a stack of paper media delivered from the stacking device; a first conveying device for conveying the paper medium from the storage device to the stacking device; a second transport device for transporting a stack of paper media from the stacking device to the dispensing device, said second transport device being separate from the first transport device; and a stack transport for transporting a stack of paper media in the stack on a path defined by the second transport. In order to avoid the problems of the apparatus, the paths defined by the first and second transfer units, respectively, are separated to rapidly transfer the paper media and to distinguish the transfer structure of the paper media from the transfer mechanism of the stack of paper media.

Description

Equipment for withdrawing money from cash transaction machines

Cross References to Related Art

This application claims priority from Korean Patent Application No. 2005-34935 filed in the Korean Intellectual Property Office on April 27, 2005, the entire disclosure of which is incorporated herein by reference.

Background of the invention

field of invention

The invention relates to a cash transaction machine, in particular to a cash withdrawal device capable of quickly extracting paper media such as banknotes, checks, gift certificates and tickets from the cash transaction machine.

Related technical description

A cash transaction machine is in financial services, an automated device that supports basic banking services such as deposits or withdrawals without bank staff regardless of location and time. Cash transaction machines can be classified as automatic teller machines (CD) or automatic teller machines (ATM) according to whether they have a deposit function. The cash transaction machine is not only used to trade cash, but also to trade checks, print bankbooks and sell tickets.

Now, the number of cash transaction machines installed at banks or other financial agencies is gradually increasing. Gradually, customers often use cash transaction machines because cash transaction machines are convenient. As cash transaction machines are used more frequently, the number of transactions per bank also increases. Due to the increase in the number of transactions through cash transaction machines, many banknotes are being put in and out. As many sheets are used, unexpected problems often arise because of movement or positional interference between sheets.

Figure 1 is a perspective view of a conventional cash transaction machine.

Referring to Figure 1, a cash transaction machine is a device for depositing and withdrawing cash or checks, in which several modules are divided into several functional units, such as a magnetic card reading module, a bankbook arrangement module, a user interface module, and a cash deposit and withdrawal module. Installed in equipment hood.

The magnetic card reading module is exposed to the outside through the card insert 10 , and the user interface module is exposed to the outside through the display screen 20 or the input keys 25 .

The cash withdrawal module is exposed through the cash dispenser 30 . The cash delivery part 30 is a direct delivery type, and the required amount of cash was prepared in the cash withdrawal module before and placed in stacks in the cash delivery part 30 . However, since cash boxes storing cash provide cash one by one, there must be a procedure for temporarily loading cash in order to provide stacked cash in the withdrawal module, and for this purpose, the withdrawal module may include a temporary stacking part.

FIG. 2 is a block diagram illustrating temporary stacked components of a conventional extraction module.

Referring to FIG. 2 , the conventional cash withdrawal module includes a cash box 40 , a transmission unit 50 , a cash check sensor 60 , a rejection component 70 and a temporary stacking component. Cash is delivered from the cash box 40 , conveyed along the conveying unit 50 , loaded into a pre-installed temporary stacking unit, and conveyed to the withdrawal unit 30 .

The cash is drawn out one by one from the cash box and transferred to the temporary stacking unit 80 along the transfer unit 50 . During transfer to the temporary stacking unit 80, the cash passes the cash check sensor 60 and the cash check sensor 60 can detect double-layered, damaged banknotes, denominations, or counterfeit banknotes. In the case that the passing medium cannot be conveyed normally, the transfer part 72 operates to change the path of the cash and deposits the changed cash into the rejecting part 70 instead of the temporary stacking part 80 .

When the cash required by the user is loaded into the temporary stacking part 80, the transfer part 50 can reverse the operation and transfer the cash loaded into the temporary stacking part 80 to the cash withdrawal part 30 at the same time, so that the user can receive the cash withdrawal part 30 and send it out. of cash.

However, in a conventional cash withdrawal module, the transfer unit 50 rotates in two mutually opposite directions. That is, the transfer unit 50 rotates the transfer belt or drum in one direction when transferring cash to the temporary stacking member 80 and rotates the same belt or drum in the opposite direction when it transfers cash from 80 . Thus, paper jams often occur on ordinary conveyor belts or rollers. For example, as shown in FIG. 2 , cash may remain on a portion of the transfer unit 50 adjacent to the temporary stacking member 80 . When the cash in the temporary stacking part 80 is transferred for withdrawal, the remaining cash in the transfer unit 50 may hinder the advance of the cash and cause a jam. Even if a jam does not form, the intersection 54 where the transfer unit 50 advances may prevent cash from being delivered, and jams may often occur due to small interferences at the intersection 54 of the transfer unit 50 .

Contents of the invention

The invention provides a cash withdrawal device capable of safely conveying paper media such as cash in a cash transaction machine without jamming.

The present invention also provides a cash withdrawal device capable of maintaining an operational structure simply by maintaining a simple path for paper media.

According to one aspect of the present invention, the conveying device of the cash transaction machine includes a cash withdrawal device including a first conveying device and a second conveying device separated from each other, and the paths defined by the first and second conveying devices respectively are at predetermined intervals from each other. physical separation. Simultaneously, a stack device can be moved between the first conveyor device and the second conveyor device as part of the temporary stacked part or the transport path of the second conveyor device. For example, a stack may be located at the end of the first conveyor and receive paper media sheet by sheet from the storage device. When a required amount of paper media is loaded, the stacking device can move to the second conveying device and stack the paper media on the path of the second conveying device. Then, the second conveying device can start to operate and convey the paper medium to the withdrawal unit.

The paths defined by the first and second conveying means are separate from each other. Thus, the first transfer means transfers only the paper media to the stack means and advances in one direction, thereby preventing jamming. The second transport means transports the stack of paper media transported by the stack means to the cash withdrawal unit and also generally advances in one direction. That is, the first and second conveyors are physically separated from each other so that they operate simply and smoothly without interfering with each other.

Also, the first and second conveyors are separate to facilitate converting the cash withdrawal device to either a front entry or rear entry type. Typically, a box is used for storage and insertion of paper media. In the front insertion type, the insertion position of the cassette is in the same direction as the withdrawal unit. In the case where the front surface of the cash transaction machine is opened and closed, a front insertion type cash withdrawal device is used. In the rear-entry type, the insertion position of the box is opposite to the direction of the cash withdrawal unit, and the back of the cash transaction machine is opened and closed, and the cash withdrawal device of the rear-entry type is used. In the cash withdrawal device according to the present invention, the insertion position of the cassette is fixed, and the position of the cash withdrawal component can be changed by switching the rotation direction of the second conveying device. This change can be achieved because the first conveyor means and the second conveyor means are separate. The conversion procedure can be easily completed.

In this case, the cash withdrawal device includes a cash withdrawal function, and both a module for withdrawal only and a module for deposit/withdrawal can be understood as a cash withdrawal device. Also, clearly state in sheets the paper media conveyed by the cash withdrawal device, which has a certain value, such as banknotes, checks, gift certificates and tickets. The paper medium may be a material formed as a substitute for paper, such as a plastic film other than paper.

Main description of the drawings

The above and other features and advantages of the present invention will become more apparent from the detailed description of exemplary embodiments with reference to the accompanying drawings.

Figure 1 is a perspective view of a conventional cash transaction machine;

Figure 2 is a block diagram illustrating a temporary stack of components for a conventional withdrawal module;

3 is a structural diagram illustrating a cash withdrawal device of a cash transaction machine according to an embodiment of the present invention;

Fig. 4 is a structural diagram illustrating the operating mechanism of the withdrawal of Fig. 3;

5 is a structural diagram illustrating a cash withdrawal device of a cash transaction machine according to an embodiment of the present invention;

6 is a structural diagram illustrating a cash withdrawal device of a cash transaction machine according to an embodiment of the present invention;

Fig. 7 is a structural diagram illustrating the operating mechanism of the cash withdrawal device of Fig. 6; and

Fig. 8 is a structural diagram illustrating the withdrawal device of Fig. 6

Detailed description of the invention

Hereinafter, the present invention will be described in detail by illustrating preferred embodiments of the invention with reference to the accompanying drawings. However, the present invention is not restricted and defined by the examples.

Fig. 3 is a structural diagram illustrating a cash withdrawal device of a cash transaction machine according to an embodiment of the present invention; Fig. 4 is a structural diagram illustrating the operating mechanism of the cash withdrawal in Fig. 3;

Referring to FIG. 3 , the cash withdrawal device 100 according to this embodiment includes a cash box 110 , a first transfer unit 120 , a temporary stacking part 130 , a second transfer unit 160 , and a cash withdrawal part 170 . The cash withdrawal unit 100 includes two cash boxes 110 . Choose one of two cash boxes and draw cash on demand. The cash taken out one by one from the cash box 110 is transmitted by the first transfer unit 120 and loaded into the temporary stacking part 130, the temporary stacking part 130 is moved to the second transfer unit 160, and the cash can be placed by the second transfer unit 160. The transfer unit 160 defines the transfer path and transfers to the withdrawal component 170.

One or more than two cash boxes 110 are installed in the cash withdrawal device 100 , and the loaded cash is delivered in response to the rotation of the pickup drum 112 . The cash delivered from the cash box 110 is sent to the temporary stacking part 130 through the first transfer unit 120 . In the case that the cash is determined to be double-layered or counterfeit, the cash cannot be transferred to the temporary stacking part 130 and stored in the reject box 140 individually. In this case, near the first reject box 140 is arranged a switching part 142 which is rotatable by a driving unit such as an electromagnet and switches the delivery path of cash.

The cash sent out from the cash box is loaded one by one on the stacking bracket of the temporary stacking part. When a predetermined amount of cash is reached, the first transfer unit 120 stops transferring cash and the temporary stacking part 130 supporting the stack of cash is transferred to the second transfer unit 160 by a stack transfer unit (not shown).

Referring to FIG. 4 , the temporary stacking part 130 is moved so that the upper surface of the stack holder is placed on the conveying path of the second conveying unit 160 and may become a part of the second conveying path 160 .

After the temporary stacking part 130 is transferred to the second transfer unit 160 , the second transfer unit 160 starts to operate and transfers the stack of cash in the temporary stacking part 130 to the withdrawal part 170 . The cash is conveyed in stacks within the second conveying unit 160 . The stack of cash is maintained in a state partially held by the second transfer unit 160 within the withdrawal unit 170 . When the cash is delivered from the cash withdrawal unit 170, the user may receive the required amount of cash. As shown by a dotted line, the second transfer unit 160 may include second transfer belts 162 to 166 vertically placed by interposing transfer paths therebetween. The temporary stacked part 130 can enter between the second conveyor belts 164 and 166 because the second conveyor belts 164 and 166 are spaced from each other by the length of the temporary stacked part 130 .

If the user does not take cash from the cash withdrawal unit 170, the second transfer unit can reverse the operation to reject the cash that has not been taken. In fact, the stack of cash can be maintained in the state held by the cash withdrawal unit 170 for a predetermined limited time. After the limited time, such as about 20 to 30 seconds, the second transfer unit 160 reverses and removes the cash stack that has not been taken away. The cash is received in the second reject box 180 .

As described with reference to FIGS. 3 and 4 , the respective transfer paths defined by the first and second transfer units 120 and 160 are separated such that the first and second transfer units 120 and 160 can operate independently. Therefore, the first transfer unit 120 transfers the cash one by one from the cash box 110 to the temporary stacking unit 130, usually without reverse movement. Meanwhile, the second transfer unit 160 transfers the cash transferred to the transfer path in stacks by the temporary stacking part 130 , and may operate regardless of the first transfer unit 120 . The second transfer unit 160 can move in reverse to reject the cash that has not been taken away or the cash still remaining in the second transfer unit 160, which is an abnormal situation.

FIG. 5 is a structural diagram illustrating a cash withdrawal device of a cash transaction machine according to an embodiment of the present invention.

Referring to Fig. 5, cash withdrawal device 200 according to an embodiment of the present invention includes cash box 210, a first transfer unit 220, a temporary stacking unit 230, a first rejection box 240, a stack transfer unit 250, a second transfer unit 260, and a cash withdrawal unit 260. Part 270, second reject box 280. The cash withdrawal device 200 can select one of the two cash boxes 210 to withdraw cash. The cash withdrawn one by one from the cash box 210 is transferred to the temporary stacking part 230 one by one by the first transfer unit 220 . After loading a predetermined amount of cash in the temporary stacking part 230, the stack transfer unit 250 transfers the temporary stacking part 230 to the second transfer unit 260, and the stack of cash can be placed on the transfer path defined by the second transfer unit 260 And be sent to withdrawal component 270.

One or more cash boxes are inserted into the cash withdrawal device 200 , and the loaded cash can be sent out in response to the rotation of the pickup drum 212 . The first conveying unit 220 sends the cash delivered from the cash box 210 to the temporary stacking unit 230 . The first transfer unit 220 includes a plurality of first transfer belts 221 to 225 for transferring cash. The first conveyor belts 221 to 225 are arranged opposite to each other to provide the first path I. Accordingly, the cash withdrawn in sheets moves along the first path I provided between the first conveyor belts 221 to 225 and is transferred to the temporary stacking part 230 .

During the transfer of cash from the cash box 210 to the temporary stacking part 230, the cash passes through the cash check sensor, and the cash withdrawal device 200 can check whether the cash is double-layered, counterfeit and genuine. In the case that the cash is determined to be double-layered or counterfeit, the cash cannot be transferred to the temporary stacking part 230 and can be stored in the first reject box 240 alone. In this case, the diversion part 242 is installed adjacent to the first reject box 240, and can be rotated by a driving unit such as an electromagnet to switch the delivery path of cash.

The cash delivered from the cash box 210 is loaded onto the stack frame of the temporary stacking unit 230 . When a predetermined amount of cash is loaded, the first transmission unit may stop transmitting cash. The temporary stacking part 230 includes a stack conveyor belt 232 onto which cash transferred from the first transfer unit 220 is loaded. The stack transfer unit 250 transfers the temporary stacking part 230 supporting the stack of cash to the second transfer unit.

The stack transfer unit 250 includes a stack driving part 252 and a stack lifting part 254 . The stack drive unit 252 has an electric motor that operates electrically. The direction and angle of rotation can be controlled according to the current characteristics. The lifting part 254 can transfer the temporarily stacked part 230 from the first transfer unit 230 to the second transfer unit 260 by using the stack driving part 252 as a power source. The stack lifting unit 254 is connected to the temporary stacking part 230 to be combined therewith, so that the temporary stacking part 230 can move along a regular path. For this purpose, belts or cylinders can be used as the stack lifting member 254 . As illustrated, the rotation of the stack driving member 252 can be easily converted to the reciprocating motion of the temporary stacking member 230 using a rotating unit having a cam surface.

The temporary stacking part 230 is moved so that the upper surface of the stack holder is placed on the transport path of the second transport unit 260, and the upper surface of the stack conveyor belt 232 is positioned approximately the same as the second path II. Rollers and shafts are located at both ends of the temporary stacking part 230, and the stack conveyor belt 232 runs through the rollers. The rollers and shafts are in operative connection with the drive means (not shown) of the second transfer unit 260 so that the stack of conveyor belts 232 can run along the second path II together with the operation of the second transfer unit 260 .

After the temporary stacking unit 230 is transferred to the second transfer unit 260 , the second transfer unit 260 starts to operate and transfers the stack of cash in the temporary stacking part 230 to the withdrawal part 270 . The second transfer unit 260 transfers cash in bundles and maintains a state partially held by the second transfer unit. After the cash stack is sent from the withdrawal unit 270, the user can obtain the required cash. The second transfer unit 260 may include second transfer belts 262 to 266 disposed vertically and interposed therebetween in the second path II. The temporary stacked part 130 can enter between the second conveyor belts 264 and 266 because the second conveyor belts 264 and 266 are spaced from each other by the length of the temporary stacked part 130 .

If the user does not take cash from the cash withdrawal unit 270, the second transfer unit 260 can reversely run to take away the cash that has not been taken. In fact, the cash can be maintained in the state held by the withdrawal unit 270 for a predetermined limited time, and after the limited time is exceeded, the second transfer unit 260 can reverse the operation and receive the cash that has not been taken away into the second bank. Reject box 280.

FIG. 6 is a structural diagram illustrating a cash withdrawal device of a cash transaction machine according to an embodiment of the present invention, and FIG. 7 is a structural diagram illustrating an operating mechanism of the cash withdrawal device of FIG. 6 .

With reference to Fig. 6, cash withdrawal device 300 according to the present embodiment comprises cash box 310, the first transfer unit 320, temporary stacking part 330, the first rejection box 340, stack transfer unit 350, the second transfer unit 360, cash withdrawal part 370, the second rejection box 380. The cash withdrawal device 300 can select one of the two cash boxes 210 to withdraw cash. The cash drawn out one by one from the cash box 310 is transferred to the temporary stacking part 330 one by one by the first transfer unit 320 . After loading a predetermined amount of cash on the temporary stacking part 330, the stack transfer unit 350 transfers the temporary stacking part 330 to the second transfer unit 360, and the stack of cash can be placed on the transfer path defined by the second transfer unit 360 And be sent to withdrawal component 370.

The cash is sent out from the cash box 310 in response to the rotation of the pick roller 312 , and the first transfer unit 320 transfers the sent cash to the temporary stacking part 330 . The first transfer unit 320 includes a plurality of transfer belts 321 to 324 for transferring cash. The first conveyor belts 321 to 324 are arranged opposite to each other to provide the first path I. Thus, the cash withdrawn in sheets moves to the temporary stacking part 330 along the first path I provided between the first conveyor belts 321 to 324 .

The temporary stacking part 330 includes a stack of conveyor belts 332 on which the cash transferred from the first transfer unit 320 is placed one by one. The temporary stacking part 330 supporting the cash stack is transferred to the second transfer unit 360 through the stack transfer unit 350 .

The stack transfer unit 350 includes a stack driving part 352 and a stack lifting part 354 . The stack lifting unit 354 is connected to the temporary stacking part 330 to be combined therewith so that the temporary stacking part 330 can move along a regular path. The rotation of the stack driving part 352 can be easily converted into the reciprocating motion of the temporary stacking part 330 using a rotating unit having a cam surface. That is, a part of the temporary stacking part 330 can move along the cam surface of the rotation unit, and the temporary stacking part 330 can be vertically lifted and lowered according to the rotation of the rotation unit.

Likewise, the second rejection box 380 is disposed close to the temporary stacking unit 330 . The upper surface of the second rejection box 380 installed in the cash withdrawal device 300 is open, and the opening of the second rejection box 380 can be selectively opened or closed according to the movement of the movable cover 382 . Thus, when the movable cover 382 covers the opening of the second reject box 380, the stack of cash can be sent to the withdrawal unit 370, and when the movable cover 382 opens the opening of the second reject box 380, the stack of cash passes through the second path II A second reject box 380 is accessible. In case the user does not withdraw the cash, it is necessary to reject said cash again. Furthermore, in case of an unexpected power outage or some cash remains in the withdrawal unit, the cash remains on the second path II. In this case, the cash on the second path II can be removed by the second transfer unit 360 and the second reject box 380 .

As shown in FIG. 6, the temporary stacking part 330 is placed at the end of the first transfer unit 320 and the cash is stored in order. The movable cover 382 covers the upper part of the temporary stacking part 330, and the second rejection box 380 remains open.

Referring to Fig. 7, the rotating unit of stack lifting part 354 rotates counterclockwise, and temporary stacking part 330 rises and enters the second delivery unit 360, and temporary stacking part 330 moves together with the guide piece 384 that is connected with rotating unit and can cover The upper surface of the second reject box 380 . When the movable cover 382 moves over the second rejection box 380 , the temporary stacking part 330 can be tightly attached to the second transfer unit 360 . Thus, the temporary stacking part 330 and the movable cover 382 can operate as part of the second transfer unit 360 . The upper surface of the stack conveyor belt 332 is approximately the same as the second path II, on which the conveyor belt of the movable cover 382 is also located. As described above, when the temporary stacking part 330 moves to the second transfer unit 360 , the rollers and shafts at both ends of the temporary stacking part 330 are functionally connected with the driving part (not shown) of the second transfer unit 360 . The stack of conveyor belts 332 of sliding rollers thus moves along the second path II and forms part of the second conveyor unit 360 .

After the temporary stacking part 330 is transferred to the second transfer unit 360 , the second transfer unit 360 starts to operate and transfers the stack of cash in the temporary stacking part 330 to the withdrawal part 370 . Within the withdrawal unit 370 , said cash stack is still partially held by the second transfer unit 360 . If the user does not take away the cash in the cash withdrawal component 370, the second transfer unit 360 can run in reverse and take away the cash that was not taken away.

However, before that, the rotating unit of the stack lifting part 354 rotates clockwise and moves the temporary stacking part 330 downward. The movable cover 382 moves along the second path II and opens the upper surface of the second rejection box 380 . After the second rejection box 380 is opened, the second transfer unit 360 can reversely rotate to take away the cash. The withdrawn cash can be deposited in the second reject box 380 .

FIG. 8 is a structural diagram illustrating the cash withdrawal device of FIG. 6 .

Referring to FIG. 8, in the cash withdrawal device 300 according to this embodiment, since the first transfer unit 320 is separated from the second transfer unit 360, the conversion between the front insertion type and the rear insertion type is very convenient. Specifically, the second delivery unit 360 further includes a withdrawal extension part 368 installed close to the withdrawal part 370, and the withdrawal extension part 368 can be optionally installed at the front end or the rear end. Although the conversion between the front insertion type and the rear insertion type can also be realized by switching the driving direction of the second transfer unit 360 without the withdrawal extension part 368, the cash withdrawal extension part 368 is formed to hold cash conveniently. structure, thus dedicated to the withdrawal function. The withdrawal extension 368 also operates in conjunction with the second conveyor belt. For this reason, the structures that provide electric power are mutually symmetrical, and can be arranged on the front or the rear of the cash withdrawal device upper end.

In the apparatus of the present invention, the first and second transfer units are separated from each other and can operate independently. Since the first transfer unit transfers cash one by one from the cash box to the temporary stacking part and does not move in reverse, the possibility of jams is less. Simultaneously, the second transfer unit transfers the cash transferred to the transfer path by the temporary stacking part in stacks, and can operate regardless of the first transfer unit.

Therefore, in the cash withdrawal device of the present invention, the changeover to front insertion or rear insertion can be easily performed and one module can be installed in various machines.

Although the invention has been shown and described in detail in connection with exemplary embodiments of the invention, it will be understood that various changes in form and details within the ordinary skill in the art may be employed therein without departing from the spirit and substance of the invention as defined in the following claims. .

Claims (7)

1. A cash withdrawal device for a cash transaction machine, comprising: A storage device for storing paper media; A stacking device for stacking paper media delivered from the storage device; A withdrawal device for delivering to a user a stack of paper media delivered from the stacking device; a first conveying device for conveying the paper medium from the storage device to the stacking device; a second transport means for transporting the stack of paper media from the stacking means to the withdrawal means, said second transport means being separate from the first transport means; and a stack conveyer for conveying the stack of paper media within the stacker on a path defined by the second conveyer, Wherein the second conveying device can move in one direction to convey the paper medium to the cash withdrawal device, and the moving direction of the second conveying device can be reversed to the opposite direction to reject the paper medium that is not withdrawn from the cash withdrawal device. Take the paper medium. 2. The apparatus according to claim 1 , wherein the first and second conveying means each comprise moving conveyor belts opposite each other, said conveyor belts defining a space for conveying the paper medium or stack of paper medium therebetween. path. 3. The apparatus of claim 2, wherein a plurality of conveyor belts are separated at predetermined intervals and move parallel to each other along a path for the paper medium or the stack of paper medium. 4. Apparatus according to claim 1, characterized in that said stacking means comprises a stack rack located close to the outlet of the first conveyor, said stack rack being moved by the stacking conveyor from the outlet of the first conveyor to the second conveyor device until the upper surface of the stack is approximately in line with the path defined by the second conveyor. 5. Apparatus according to claim 1, characterized in that the stack conveyor comprises stack drive means and stack lift means for conveying stack racks from the outlet of the first conveyor to the path defined by the second conveyor . 6. The apparatus according to claim 1, further comprising a first rejecting device located within the path defined by the first conveying device and storing the selected paper media, the first rejecting device comprising a device for converting the selected paper media The turning section of the path, and the first reject section for storing selected paper media. 7. The apparatus according to claim 1, further comprising second rejecting means for removing paper media remaining on the path defined by the second conveying means, the second rejecting means comprising a second rejecting member , the second rejecting member includes an opening adjacent the path defined by the second conveying means and a movable cover movable along the path defined by the second conveying means, the cover selectively opening and closing the second rejecting member Open your mouth.

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