Self-Service Kiosk

Abstract

Aspects of the disclosure include a self-service kiosk having a door that allows access to products inside the kiosk. A bar is disposed on the door, the bar including a user interface that allows a user to purchase products. The bar also includes a handle that a user can grasp to open and close the door. The bar can be rotated relative to the door to an access position that improves maintenance access to the user interface and associated components. In aspects, the bar and associated components improve integration of self-service features into existing product storage devices.

Description

[Technical field]

[0001] FIELD OF THE DISCLOSURE The present disclosure relates to self-service kiosks. In particular, the present disclosure relates to a mounting system for a controller and handle for a self-service kiosk. [Background technology]

[0002] Products may be provided to consumers, for example, from a self-service kiosk. The self-service kiosk can act as a point of sale for products without requiring the presence of a salesperson. In one example, the self-service kiosk can automatically detect products retrieved by a user and can automatically charge the user for the retrieved products. For example, the user can unlock the self-service kiosk by inputting payment information into a controller of the self-service kiosk (e.g., by swiping a credit card). The controller can unlock a door of the self-service kiosk in response to receiving the payment information to provide access to the products stored within the self-service kiosk. The user can also select any product of their choice, and a sensor of the self-service kiosk can automatically detect the product selected by the user. The controller can process data from the sensor to identify the selected product and can display the selected product to the user to confirm their purchase. The controller can automatically charge the user for the selected product retrieved from the self-service kiosk using the input payment information. The self-service kiosk may also detect when a user returns a product to the self-service kiosk and not charge and / or credit the user for the returned product. Other examples of self-service kiosks do not include a separate sensor to detect products, but rather rely on the user identifying the product or products that they purchase, for example, by scanning each product after removing it from the self-service kiosk.

[0003] Although self-service kiosks provide users with an easy and convenient purchasing opportunity, integrating self-service kiosk components, such as a user interface, a payment interface, and a controller, into the self-service kiosk can be problematic. For example, a need exists for integrating at least some of these components into a self-service kiosk that are easily accessible to both users who purchase products and technicians who install and / or service the controller. There is also a need for integrating these components into existing structures (e.g., coolers) without extensively modifying the existing structures in order to utilize existing kiosk designs and reduce costs. Summary of the Invention

[0004] Some aspects of the disclosure include a product cooler for storing product for sale, the product cooler having a housing including a door configured to provide access to an interior of the housing, a lock configured to lock the door to restrict access to the interior of the housing, a bar including a base member and an end member disposed on an end of the base member and pivotally connected to an exterior of the door such that the bar can rotate relative to the door, a controller configured to lock and unlock the lock, and a user interface mounted to the bar.

[0005] Some aspects described herein relate to a self-service kiosk that includes a housing including a door configured to provide access to an interior of the housing, a lock configured to lock the door to restrict access to the interior of the housing, a bar movably connected to the door, and a controller configured to lock and unlock the lock.

[0006] Another aspect described herein relates to a self-service kiosk that includes a housing including a door configured to provide access to an interior of the housing, a shelf disposed within the housing configured to receive a product to be dispensed, a lock configured to lock the door to restrict access to the interior of the housing, a bar movably connected to the door, a handle disposed on the bar and configured to be grasped by a user, and a controller configured to lock and unlock the lock, wherein movement of the bar is configured to allow access to the controller for maintenance. [Brief description of the drawings]

[0007] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate the disclosure and, together with the specification, further serve to explain the principles of the disclosure and to enable those skilled in the art to make and use the disclosure. [Figure 1] FIG. 1 is a front view of a self-service kiosk according to an aspect of the present disclosure. [Diagram 2] FIG. 2 is a top view of a self-service kiosk in a first configuration according to an embodiment of the present disclosure. [Diagram 3] FIG. 2 is a top view of a self-service kiosk in a second configuration according to an embodiment of the present disclosure. [Figure 4] FIG. 1 is a perspective view of a bar of a self-service kiosk according to an aspect of the present disclosure. [Diagram 5] FIG. 1 is a detailed view of a bar showing a user interface housing of a self-service kiosk according to an aspect of the present disclosure. [Figure 6] FIG. 1 is a detailed view of a bar showing a controller housing of a self-service kiosk according to an aspect of the present disclosure. [Figure 7] FIG. 1 is a perspective view of a self-service kiosk according to an aspect of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Reference will now be made in detail to representative aspects, which are illustrated in the accompanying drawings. References to "one aspect," "an aspect," "exemplary aspect," etc., indicate that the aspect being described may include a particular feature, structure, or characteristic, but not all aspects may necessarily include that particular feature, structure, or characteristic. Moreover, such phrases do not necessarily refer to the same aspect. Furthermore, when a particular feature, structure, or characteristic is described in connection with an aspect, the effect of such feature, structure, or characteristic on other aspects, whether or not expressly described, is submitted as being within the knowledge of those of ordinary skill in the art.

[0009] Self-service kiosks provide users with an easy and convenient purchasing opportunity. Self-service kiosk owners also benefit from increased product sales without having to provide additional personnel at the point of sale. However, integrating user interface and controller components into a self-service kiosk can be problematic. For example, there is a need to integrate these components into a self-service kiosk that is easily accessible to both users to purchase products and technicians to install and / or service the controller. There is also a need to integrate these components into an existing structure (e.g., a cooler) without extensively modifying the existing structure to utilize existing kiosk designs and reduce costs. This is particularly relevant when integrating these components into an existing cooler, since the user interface is typically integrated into a housing to the side of the cooler's door. However, existing cooler housings are typically the same or approximately the same width as the cooler's door, which means that the housing needs to extend outward to incorporate the user interface in a typical manner. This is undesirable as it requires extensive modification of the cooler housing and increases the cooler's footprint.

[0010] Aspects of the disclosure include a product cooler for storing product for sale, the product cooler having a housing including a door configured to provide access to an interior of the housing, a lock configured to lock the door to restrict access to the interior of the housing, a bar including a base member and an end member disposed on an end of the base member and pivotally connected to an exterior of the door such that the bar can rotate relative to the door, a controller disposed on the bar and configured to lock and unlock the lock, and a user interface mounted on the bar.

[0011] These and other aspects of the present disclosure disclose a single multi-function bar 140 that is easily integrated into the door of an existing product cooler 100. The bar 140 can replace the existing exterior handle and can include a handle 148 that a user can grasp to open and close the door 120 of the housing 110 of the cooler 100. The bar 140 also includes the necessary components to implement self-service functionality in the product cooler. With the exception of certain sensors that, in some aspects, need to be included in the interior 112 of the housing 110, the bar 140 includes the necessary controllers and user interface that allow an existing product cooler to be converted into a self-service kiosk 100. In aspects, the bar 140 only mounts to the exterior of the door 120 and therefore requires minimal additional structural modifications to the housing 110. Additionally, the bar 140 can be pivoted relative to the door 120, which allows for improved maintenance and installation access to any components mounted on the bar 140, while also preventing unauthorized access to those components when the bar 140 is pivoted back to its normal operating position.

[0012] Some advantages of this and other aspects discussed herein include a solution for integrating components such as user interfaces and controllers into a self-service kiosk that allows easy user access to products for purchase and also improves installation and maintenance access of these components. Other advantages include improved integration into existing structures without requiring extensive structural modifications.

[0013] As shown in FIGS. 1-3 and 7, one embodiment of the self-service kiosk 100 has a housing 110. The housing 110 defines an interior 112 that contains products 102 for purchase. In the embodiment shown in FIG. 1, the products 102 are arranged on shelves 114 disposed in the interior 112 of the housing 110. The housing 110 can be formed in any suitable shape. For example, as shown in FIGS. 1 and 7, in an embodiment, the housing 110 can be formed as a rectangular prism. In other embodiments, the housing 110 can be formed as a cylindrical shape or other prismatic shape. The housing 110 can be formed from any suitable material. For example, the housing 110 can be formed from metal, plastic, or composite materials, or any combination of these materials. Embodiments of the housing 110 can be formed by combining subcomponents of the housing 110, including walls, formed from these materials using any suitable joining method, including adhesives, fasteners, or welding.

[0014] As shown in Figures 1 and 7, the housing 110 includes a door 120. The door 120 forms at least a portion of one of the exterior surfaces of the housing 110 and allows access to the product 102 in the interior 112. For example, as shown in Figure 1, the door 120 can be configured to swing open and close to allow access to the interior 112. In the embodiment shown in Figure 1, the door 120 swings open toward the right side of the housing 110, but the swinging aspect of the door 120 can be configured to open in any desired direction. For example, with respect to Figure 1, the door 120 can instead swing toward the left, upward, or downward of the housing 110. Other embodiments of the door 120 can open using opening techniques different than the swinging shown in Figure 1. For example, the door 120 can slide relative to the housing 110. As shown in Figure 1, the door 120 comprises a portion of the exterior surface of the housing 110 (i.e., the front of the housing 110). In other embodiments, the door 120 can include the entire exterior surface of the housing 110. 1, the door 120 may be formed at least in part from a transparent material that allows the interior 112 and product 102 to be viewed from outside the housing 110. Embodiments of the door 120 may include a door frame 121 that defines the perimeter of the door 120. In embodiments of the door 120 that have a transparent portion, the door frame 121 may be formed from an opaque material, such as metal or plastic, and may surround the transparent portion of the door 120.

[0015] The door 120 can include a lock 150 that can be selectively unlocked to control access to the interior 112. The lock 150 can be any suitable type of lock capable of releasably securing the door 120 to the housing 110. For example, the lock 150 can comprise a linear actuator that advances and retracts a locking bar or latches into the housing 110 to secure the door 120 to the housing 110. This relationship can be reversed, with the locking bar or latch extending from the housing 110 to the door 120. In other aspects, the lock 150 can be an electromagnet disposed on either the housing 110 or the door 120 that can be actuated to magnetically secure the door 120 to the housing 110. As described below, aspects of the lock 150 are electronically controlled to lock and unlock the door 120 as needed.

[0016] An embodiment of the housing 110 may include a cooling system 130. The cooling system 130 may maintain a desired temperature in the interior 112. For example, the cooling system 130 may maintain the interior 112 at between minus 5 degrees Fahrenheit and 5 degrees Fahrenheit, or between 35 degrees Fahrenheit and 45 degrees Fahrenheit. The cooling system 130 may be any suitable cooling system. For example, the cooling system 130 may be an evaporator-condenser type system that circulates a refrigerant between an evaporator, a compressor, and a condenser to cool air passing over the evaporator to cool air circulating through the interior 112. An embodiment of the housing 110 that includes the cooling system 130 may include suitable insulation to improve cooling performance and reduce the energy required to maintain the desired temperature in the interior 112.

[0017] As shown in FIGS. 1-4 and 7, the bar 140 is disposed on the exterior surface of the door 120. The bar 140 serves at least two functions of the self-service kiosk 100. First, it acts as a handle that a user can use to open the door 120. Second, it serves as a support for the user interface 160 and associated components, including the controller 170 in some embodiments. As shown in FIG. 4, in one embodiment, the bar 140 comprises a rectangular base member 141 formed as a rectangular prism with two long sides left open. That is, the base member 141 comprises two rectangular sheets joined together along corresponding long edges. A pair of end members 142 are joined to either side of the base member 141 to partially surround the bar 140. The bar 140 can be formed from any suitable material, including, for example, metal, plastic, or composite material. The bar 140 may be formed from a single sheet of material, for example by bending, or may be formed from different sub-components joined by any suitable method, such as adhesives, fasteners, or welding.

[0018] As shown in FIGS. 1-3, the bar 140 is disposed on an exterior surface of the door 120. In these embodiments, the bar 140 is positioned on the left side of the door 120 as the door 120 is hinged to open toward the right in FIG. 1. In some embodiments shown in FIG. 1, the bar 140 is disposed at or near the edge of the door 120. In other embodiments of the door 120 that are hinged in a different direction than the embodiment shown in FIG. 1, or in embodiments of a sliding door 120, for example, the bar 140 may be disposed on a different portion of the door 120. For example, in one embodiment of a door 120 that is hinged to open downwards, the bar 140 may be positioned at or near the top of the door 120. In embodiments of a door 120 that has a transparent portion, the bar 140 may be positioned to minimize any shadowing or covering of the transparent portion of the door 120. For example, as shown in Fig. 1, the bar 140 may be positioned entirely over an opaque portion of the door 120 (here, the door frame 121). This improves visibility of the product 102 through the door 120. As shown in Fig. 4, the open configuration of the bar 140 allows a user to grasp the bar 140 and pull the door 120 open. Further details regarding the handle function of the door 120 are discussed below.

[0019] As best shown in Figure 7, in one embodiment, the bar 140 can be longer than the entire length of the door 120, which allows the bar 140 to be pivotally attached to an exterior longitudinal surface of the door 120, as described below. In other embodiments, the bar 140 can extend only partially along the relevant dimension of the door 120. For example, in an embodiment such as Figure 1, where the bar 140 is mounted vertically, the bar 140 can extend only partway vertically along the door 120.

[0020] The bar 140 is rotatably or pivotally mounted to the door 120 such that the bar 140 can rotate between a handle position shown in FIG. 3 and an access position shown in FIG. 4. The handle position is the standard operating position of the bar 140 and allows a user to interact with the bar 140 during the purchasing process. Specifically, this position allows a user to use the bar 140 to open the door 120, among other functions. The access position allows the bar 140 to be rotated away from (i.e., outwardly) a plane defined by the front exterior surface of the door 120 to access the rear of the bar 140 for installation and maintenance of the user interface 160 and controller 170. In one aspect, the rotation of the bar 140 moves the bar 140 away from the interior 112 of the housing 110. The rotation of the bar 140 can be any desired orientation. For example, as shown in FIGS. 1, 3, and 4, the rotation of the bar 140 can be along a vertical axis. However, rotation can occur for any other desired access depending on the pivot connection between the bar 140 and the door 120. In one embodiment shown in FIG. 4, the rotation connection between the bar 140 and the door 120 is achieved by fitting a pivot pin 122 fixed to the door 120 that fits into a track 144 of the bar 140. There can be a pair of pivot pins 122 and tracks 144 at each end of the bar 140. In this manner, the pivot pins 122 guide the movement of the bar 140 as it slides along the path defined by the tracks 144. The tracks 144 can define any suitable path. For example, the tracks 144 can be formed to create the L-shaped path shown in FIG. 4. In another embodiment shown in FIG. 7, the bar 140 can be connected to the door 120 by hinge connections 146 at either end of the bar 140. In any embodiment, the bar 140 can be fixed to the door 120 to prevent unauthorized rotation. For example, the bar 140 may be secured to the door 120 by fasteners. In some embodiments, one or more of these fasteners may only be accessible when the door 120 is unlocked.This in turn provides additional security for any components mounted to the bar 140, as the mounted components can be configured such that they can only be removed when the bar 140 is in the access position.

[0021] As shown in FIGS. 4-6, the handle 148 is included with the bar 140. The handle 148 is configured to be gripped by a user to assist in opening the door 120. As shown in FIGS. 4-6, the handle 148 can be disposed on the rear surface of the bar 140 and can extend laterally away from the bar 140 to provide a gripping surface for a user to grip that is unobstructed by the bar 140. The handle 148 can be attached to the bar 140 by sliding the handle 148 into a handle bracket 149 disposed on the rear surface of the bar 140. The handle 148 can be secured to the bar 140 by any suitable method, such as mechanical fasteners or a snap fit. The handle 148 can be constructed from any suitable material, such as metal, plastic, or composite. In some aspects, the handle 148 is positioned adjacent to the user interface 160 and can further serve to hide cables and associated connectors extending from behind the user interface 160.

[0022] In some aspects, the handle 148 is constructed from a translucent (i.e., not completely opaque) plastic material. In these aspects, the light 143 may be mounted on or near the handle 148 to illuminate the translucent material of the handle 148 to provide an improved user experience by illuminating the handle 148. In some aspects, the light may backlight the handle 148. In some aspects, the light 143 is configured to illuminate the handle 148 and the interior space 112 through a suitable opening in the door 120 or through a transparent material disposed on the door 120. In other aspects, the light 143 is configured to only illuminate the handle 148. In some aspects, the light 143 may display different colors, which may serve to indicate the status of the self-service kiosk 100. For example, the light 143 may illuminate the handle 148 in one color (e.g., green) when payment has been received and in a second color (e.g., yellow) when the self-service kiosk 100 is in standby mode. The lights 143 may also be configured to illuminate the handles 148 in various patterns to improve the aesthetic appearance of the self-service kiosk 100. The lights 143 may be any suitable lights including, for example, light emitting diodes.

[0023] As shown in FIGS. 1 and 4 , the bar 140 also includes a user interface 160 disposed on an exterior surface of the bar 140. The user interface 160 allows a user to interact with the self-service kiosk 100, for example, to purchase a product. In aspects, the user interface 160 may include a touch screen display capable of displaying information and receiving user input. In some aspects, the user interface includes only a single touch screen as the only input device located on the bar 140 (and / or the self-service kiosk 100). The user interface 160 may also include a payment receptacle, such as, for example, a credit card slot 162 with a corresponding credit card reader. In aspects, the user interface 160 may include a wireless transceiver 164 capable of transmitting and receiving data using a suitable transmission method, such as existing cellular data networks, Bluetooth, WiFi, NFC, or any combination of wireless communication methods. In these aspects, the user interface 160 may also receive purchase information wirelessly from a user via communication between the wireless transceiver 164 and, for example, an application running on the user's mobile device. The physical components of the user interface 160 may be attached to the bar 140 through any suitable method, including mechanical fasteners.

[0024] A controller 170 is also disposed in the housing 110. In some embodiments, shown in FIG. 7, the controller 170 may be located in the housing 110 (e.g., near the cooling system 130). In other embodiments, shown in FIG. 6, the controller 170 may be co-located with the user interface 160. The controller 170 may also comprise multiple components (e.g., processor, computer memory) distributed at several different locations within the housing 110. In some embodiments, a portion or a front portion of the controller 170 may be located remotely from the housing 110, e.g., on a remote server that may be accessed via data transmission. The controller 170 controls various functions of the self-service kiosk 100, including, for example, the user interface 160, the self-service functions discussed below, locking and unlocking lock 150 to allow the door 120 to be opened, and the light 143 that illuminates the handle 148. In embodiments, the controller 170 includes one or more processes operably connected to a computer memory that stores operating instructions for the controller 170.

[0025] The bar 140 can be integrated into new self-service kiosks 100 at the initial design stage and can provide improved maintenance access for the user interface 160 and the components discussed above (e.g., controller 170). Locating these components within the bar 140 can also improve the ease of converting existing product coolers to self-service kiosks 100, as most of the additional components required for the conversion are located on a single structure (the bar 140) fixed to the exterior of the door 120. Installation of the bar 140 requires only minimal structural modifications to the interior of the existing product cooler, if applicable, and only minor structural modifications to the door 120. This modification also reduces or eliminates the need to widen the housing 110 to accommodate the user interface 160, while placing the user interface 160 in a preferred location for user access. Any additional sensors required to implement the self-service functions (discussed below) can be added to the interior 112 of the existing product cooler with relatively minimal structural modifications. In some aspects, as discussed below, the additional sensors may be an integral bar 140, further reducing the need to modify existing coolers. Thus, conversion of existing product coolers into self-service kiosks 100 is improved by aspects of the present disclosure.

[0026] The self-service kiosk 100 operates autonomously or without the need for a salesperson to be physically present during the purchase process. In aspects, the self-service operation of the self-service kiosk 100 begins with a user interacting with the user interface 160 to input purchase information. For example, the user interface 160 may prompt the user to insert their credit card. In another example, the user interface 160 may prompt the user to input user account information that can be used to search for an existing user account linked to a payment method. After the controller 170 verifies the payment information received by the user interface 160, the controller 170 unlocks the lock 150 to allow the user to open the door 120. The user then selects one or more products 102 to purchase and removes them from the interior 112. In some aspects, an inventory sensor 172 operably connected to the controller 170 detects which products 102 are being removed from the interior 112, and the controller 170 then charges the user a corresponding amount using the received payment information. In some embodiments, the inventory sensor 172 is one or more cameras that record the location of the products 102 within the interior 112. When one or more products 102 are removed, their removal is detected by the sensor 172 and processed by the controller 170. In other embodiments, the inventory sensor 172 can include wireless sensors that detect the presence of the products 102, for example, through NFC transmissions from an NFC tag disposed on the products 102. The removal of one or more products 102 is detected by these sensors 172 and then detected by the controller 170 to charge the user. In other embodiments, the sensor 172 can be a product scanner disposed on the bar 140 (e.g., near the user interface 160). In these embodiments, after selecting one or more products 102, the user scans them with the sensor 172 to identify which product 102 is being removed. The controller 170 then charges the user, as discussed above.

[0027] It should be understood that the Detailed Description section, and not the Summary and Abstract sections, is intended to be used to interpret the claims. The Summary and Abstract sections may set forth one or more, but not all, exemplary aspects of the disclosure as contemplated by the inventors, and thus are not intended to limit the invention and the appended claims in any manner.

[0028] The above description of the specific embodiments will fully reveal the general nature of the present invention, such that others, by applying the knowledge of those skilled in the art, can easily modify or adapt such specific embodiments for various applications without undue experimentation and without departing from the general concept of the present disclosure. Such adaptations and modifications are therefore intended to be within the meaning and range of equivalents of the disclosed embodiments, based on the teaching and guidance presented herein. It is to be understood that the language or terminology used herein is for the purpose of description and not of limitation, and therefore the language or terminology used herein should be interpreted by those skilled in the art in light of the teaching and guidance of the present specification.

[0029] The breadth and scope of the present invention should not be limited by any of the above-described exemplary aspects, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. 1. A product cooler for storing product for sale, comprising: a housing including a door configured to provide access to an interior of the housing; a lock configured to lock the door to restrict access to the interior of the housing; a bar including a base member and an end member disposed at an end of the base member and pivotally connected to an exterior of the door such that the bar can rotate relative to the door; a controller configured to lock and unlock the lock; a user interface mounted to the bar.

2. the bar has a longitudinal length greater than a longitudinal length of the door; 2. The product cooler of claim 1, wherein the end member is attached to a portion of the door frame.

3. 2. The product cooler of claim 1, wherein the bar includes a second end member disposed at an opposite end of the bar, both of said end members pivotally connected to the door.

4. A pivot pin is disposed on an exterior of the door; at least one of the end members includes a track configured to receive the pivot pin; 4. The product cooler of claim 3, wherein the bar is configured to rotate about the pivot pin relative to the door as the pivot pin travels along a path dictated by the shape of the track.

5. The product cooler of claim 4 , wherein the bar is configured to rotate in a clockwise direction relative to the door and away from the door.

6. The product cooler of claim 5 , wherein the bar is configured to rotate in a counterclockwise direction relative to the door, away from the door.

7. 7. The product cooler of claim 6, further comprising a handle for opening the door, the handle configured to slide between the door and the bar and further configured to be attached to the bar.

8. 8. The product cooler of claim 7, further comprising a bracket configured to slidably receive the handle and configured to secure the handle to the bar via a fastener.

9. The product cooler of claim 7 , wherein the handle comprises a translucent material.

10. 10. The product cooler of claim 9, wherein the bar comprises a light configured to illuminate the translucent material of the handle.

11. The product cooler of claim 10 , wherein the controller is disposed on the bar.

12. 11. The product cooler of claim 10, wherein the handle is illuminated via a light dedicated to the handle.

13. A self-service kiosk comprising: a housing including a door configured to provide access to an interior of the housing; a shelf disposed within the interior of the housing configured to receive a product to be dispensed; a lock configured to lock the door to restrict access to the interior of the housing; a bar movably connected to the door; a handle disposed on the bar and configured to be grasped by a user; a controller configured to lock and unlock the lock; A self-service kiosk, wherein movement of the bar is configured to allow access to the controller for maintenance.

14. The self-service kiosk of claim 13 , wherein the bar has a longitudinal length greater than a longitudinal length of the door.

15. The self-service kiosk of claim 13 , wherein the bar is pivotally connected to the door.

16. the bar includes a track and the door includes a pin extending through a slot; 16. The self-service kiosk of claim 15, wherein a bar is configured to rotate relative to the door along a path dictated by the shape of the track.

17. The self-service kiosk of claim 15 , wherein the bar is configured to rotate in a clockwise direction relative to the door.

18. The self-service kiosk of claim 15 , wherein the bar is configured to rotate in a counterclockwise direction relative to the door.

19. The self-service kiosk of claim 13 , wherein the handle is configured to slide between the door and the bar and is further configured to be attached to the bar.

20. 20. The self-service kiosk of claim 19, wherein the handle comprises a translucent material, and the bar comprises a light configured to illuminate the translucent material of the handle.

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