Beverage brewing device

Abstract

The invention discloses a beverage brewing device which comprises a machine base (1), a first machine part (2) and a second machine part (3), in the state that the second machine part (3) moves forwards to a limit position, the second machine part (3) and the first machine part (2) are mutually folded and define an extraction chamber for containing a capsule (10), the second machine part (3) comprises an outer cup (31) and an inner cup (32), and inner cavities of the inner cup (32) and the outer cup (31) jointly define a base part (301). The capsule packaging machine is characterized in that the second machine part (3) further comprises a guide rod (33) which is arranged on the outer cup (31) and the inner cup (32) in a penetrating mode in the axial direction, a blocking piece (5) is arranged on the rear portion of the machine base (1), and in the process that the second machine part (3) moves backwards relative to the first machine part (2), the guide rod (33) pushes the capsule (10) to be separated from the base part (301). Compared with the prior art, the unpacking operation can be carried out without additionally arranging an unpacking device.

Description

Technical Field

[0001] The present invention relates to the technical field of beverage brewing equipment, and specifically refers to a beverage brewing device. Background Art

[0002] A coffee machine is a type of beverage brewing equipment. The brewing system is the main component of the coffee machine. The brewing system generally includes a fixed part and a moving part. A puncture needle is provided on one of the fixed part and the moving part, and the puncture needle is directly fixed to this part. The moving part is driven by a driving structure and can slide relative to the fixed part. After the fixed part and the moving part are closed, a brewing chamber is formed. During extraction, a coffee capsule is located in the brewing chamber. During extraction, hot water is pumped into the brewing chamber, the water flows through the coffee raw material to be extracted, and the coffee beverage then flows from the outlet of the coffee machine into a cup.

[0003] Most capsule coffee machines on the market can only use capsule coffee of a single outer dimension that matches them. For this reason, the Chinese patent "Brewing Device for Producing Beverages" with the patent application number CN201880081807.9 provides a brewing device that can selectively use two different sizes of capsules to produce beverages; the brewing device includes two parts, these two parts are opposite and can move relative to each other between an open or loading position of the capsule and a closed or brewing position. One of the two parts of the brewing device is defined by a cup-shaped body, which is composed of an outer cup and an inner cup, and a seat portion is jointly defined in the inner cavities of both the outer cup and the inner cup. The seat portion is designed to receive the capsule during the movement of the cup-shaped body towards the closed position. The inside is designed to slide between a withdrawn position and a retracted position relative to the outer cup during the movement of the cup-shaped body towards the closed position due to interaction with the larger capsule, thereby defining the seat portion according to different situations so that its size is suitable for accommodating the smaller capsule or the larger capsule to be extracted.

[0004] However, in the above solution, an additional unpacking device needs to be provided for unpacking, and the structure is complex. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a beverage brewing device that can perform unpacking operations without additionally providing an unpacking device in view of the current situation of the prior art.

[0006] The technical solution adopted by the present invention to solve the above technical problems is as follows: A beverage brewing device includes a machine base, a first component provided at the front of the machine base, and a second component provided at the rear of the machine base and capable of sliding back and forth relative to the first component. In a state where the second component is moved forward to the limit position, the second component and the first component are closed to each other to define an extraction chamber for accommodating a capsule. The second component includes an outer cup and an inner cup. The inner cavities of the inner cup and the outer cup jointly define a seat portion, and the seat portion is designed to receive the capsule during the forward movement of the second component. The inner cup is installed in the outer cup in a manner that can axially slide relative to the outer cup to define seat portions of different sizes. The feature is that: the second component further includes a guide rod axially penetrating through the outer cup and the inner cup. A blocking member is provided at the rear of the machine base. During the backward movement of the second component relative to the first component, after the rear end of the guide rod contacts the blocking member, the guide rod moves forward relative to the outer cup and the inner cup to push the capsule out of the seat portion.

[0007] In order to avoid interference between the guide rod and the blocking member after the capsule unpacking is completed, vertical grooves are provided on the side walls on both the left and right sides of the machine base. The blocking member is a blocking column extending in the left-right direction, and the left and right ends of the blocking column are respectively inserted into the corresponding vertical grooves and can slide along the extending direction of the vertical grooves.

[0008] In order to facilitate putting the capsule into the seat portion and at the same time facilitate the guide rod to disengage from the blocking member, horizontal support guide rails are provided on the side walls on both the left and right sides of the machine base. The upper part of the rear end of the outer cup is provided with a first guide shaft extending in the left-right direction, and the left and right ends of the first guide shaft are respectively inserted into the corresponding support guide rails and can slide along the extending direction of the support guide rails;

[0009] A blocking block is provided at the rear of the machine base to be in mating contact with the lower part of the outer cup. During the backward movement of the second component relative to the first component, after the lower part of the rear end of the outer cup contacts the blocking block, the outer cup that continues to move backward will flip around the first guide shaft so that the rear end of the guide rod disengages from the blocking member.

[0010] In order to facilitate the second component to flip to a horizontal state during the forward movement, guide rails are provided on the side walls on both the left and right sides of the machine base. The guide rail includes a first guiding section horizontally arranged from front to back and a second guiding section extending upward from the rear end of the first guiding section. The lower part of the rear end of the outer cup has a second guide shaft extending in the left-right direction, and the left and right ends of the second guide shaft are respectively inserted into the corresponding guide rails and can slide along the extending direction of the guide rails.

[0011] In order to prevent the guide rod from disengaging from the inner cup backward, a second inner step is provided on the inner peripheral wall of the inner cup, and a second outer step is provided on the outer peripheral wall of the front end of the guide rod, and the second outer step is limited in front of the second inner step.

[0012] To ensure that the guide rod moves backward when not blocked by the blocking member, the second component further includes a second elastic member, which acts between the guide rod and the outer cup, so that the second outer step always has a tendency to move towards the second inner step.

[0013] To facilitate the installation of the second elastic member, a limiting protrusion is provided on the outer peripheral wall at the rear end of the guide rod. The second elastic member is a compression spring, which is located outside the outer cup, sleeved on the outer periphery of the guide rod, and both ends of the compression spring respectively abut against the opposite surfaces of the limiting protrusion and the outer cup.

[0014] To prevent the inner cup from disengaging from the outer cup forward, a first inner step is provided on the inner peripheral wall of the outer cup, and a first outer step is provided on the outer peripheral wall of the inner cup. The first outer step is limited behind the first inner step.

[0015] To enable the seat portion to always adapt to the outer dimensions of different capsules, the second component further includes a first elastic member, which acts between the inner cup and the outer cup, so that the first outer step always has a tendency to move towards the first inner step.

[0016] To facilitate the installation of the first elastic member, the first elastic member is a compression spring, which is sleeved on the outer periphery of the guide rod, and both ends of the compression spring respectively abut against the opposite surfaces of the inner cup and the outer cup.

[0017] Compared with the prior art, the advantages of the present invention are as follows: By axially penetrating a guide rod through the outer cup and the inner cup, and providing a blocking member at the rear part of the machine base, during the process of the second component moving backward relative to the first component, after the rear end of the guide rod contacts the blocking member, the guide rod moves forward relative to the outer cup and the inner cup to push the capsule away from the seat portion for unpacking. There is no need to additionally provide an unpacking device, the structure is simple, and the guide rod simultaneously functions as a guide and an unpacking device, with a clever design. Description of the Drawings

[0018] Figure 1 Is a three-dimensional structural schematic diagram of an embodiment of the beverage brewing device of the present invention when accommodating a larger capsule and in an initial state;

[0019] Figure 2 Is Figure 1 The longitudinal sectional view of;

[0020] Figure 3 Is Figure 1 The three-dimensional structural schematic diagram of the beverage brewing device in FIG. after switching to the extraction state;

[0021] Figure 4 Is Figure 3 The three-dimensional exploded schematic diagram of;

[0022] Figure 5 is Figure 4 A three-dimensional structural schematic diagram of the middle machine base;

[0023] Figure 6 is Figure 4 A three-dimensional exploded schematic diagram of the second component in the middle;

[0024] Figure 7 is Figure 3 A longitudinal sectional view of;

[0025] Figure 8 is Figure 7 A longitudinal sectional view after switching to the unpacking preparation state;

[0026] Figure 9 is Figure 8 A longitudinal sectional view after switching to the unpacking end state;

[0027] Figure 10 is a longitudinal sectional view of an embodiment of the beverage brewing device of the present invention when accommodating a smaller capsule and in the extraction state. Detailed implementation manners

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] In the description and claims of the present invention, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention. However, these terms are used here only for the convenience of description and are determined based on the exemplary orientations shown in the drawings. Since the embodiments disclosed by the present invention can be arranged in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to the directions opposite to or consistent with the direction of gravity.

[0030] As Figures 1 to 10 shown, it is a preferred embodiment of the beverage brewing device of the present invention. The beverage brewing device includes a machine base 1, a first component 2, a second component 3, a drive mechanism 4, a blocking member 5, and a stopper 6.

[0031] Among them, vertical grooves 11 are provided on the side walls of the left and right sides of the rear part of the machine base 1; support guide rails 12 are provided on the side walls of the left and right sides inside the machine base 1; guide rails 13 are provided on the side walls of the left and right sides inside the machine base 1, and each guide rail 13 includes a first guide section 131 horizontally arranged from front to back and a second guide section 132 extending upward from the rear end of the first guide section 131.

[0032] The first component 2 is provided at the front part of the machine base 1.

[0033] The second component 3 is slidably provided at the rear part of the machine base 1 in the front - rear direction. In the state where the second component 3 is moved forward to the limit position, the second component 3 and the first component 2 are closed to each other to define an extraction chamber for accommodating the capsule 10. At this time, the beverage brewing device is in the extraction state. In this embodiment, the second component 3 includes an outer cup 31, an inner cup 32, a guide rod 33, a first elastic member 34, and a second elastic member 35.

[0034] Specifically, a seat portion 301 with an opening facing forward is defined between the inner cup 32 and the outer cup 31. The seat portion 301 is designed to receive the capsule 10 during the forward movement of the second component 3. The inner cup 32 is installed in the outer cup 31 in a manner that can axially slide relative to the outer cup 31, and is used to define seat portions 301 of different sizes. In this embodiment, the peripheral portion at the front end of the capsule 10 has a flange 101. The inner cup 32 slides relative to the outer cup 31 between a smaller seat - portion position and a larger seat - portion position. In the state where the inner cup 32 is in the smaller seat - portion position, the size of the seat portion 301 is set to accommodate the smaller capsule 10a. In the state where the inner cup 32 is in the larger seat - portion position, the size of the seat portion 301 is set to accommodate the larger capsule 10b. In the state where the inner cup 32 is in any position between the smaller seat - portion position and the larger seat - portion position, the size of the seat portion 301 is set to accommodate an intermediate capsule, and the size of the intermediate capsule is larger than the smaller capsule 10a and smaller than the larger capsule 10b. As Figure 10 shown, when the beverage brewing device accommodates the smaller capsule 10a and is in the extraction state, the flange 101 of the smaller capsule 10a is clamped between the rear end face of the first component 2 and the edge at the front end of the inner cup 32. As Figure 7 shown, when the beverage brewing device accommodates the larger capsule 10b and is in the extraction state, the flange 101 of the larger capsule 10b is clamped between the rear end face of the first component 2 and the edge at the front end of the outer cup 31. When the beverage brewing device accommodates the intermediate capsule and is in the extraction state, the flange 101 of the intermediate capsule is clamped between the rear end face of the first component 2 and the edge at the front end of the outer cup 31.

[0035] The outer wall of the inner cup 32 is in sealing cooperation with the inner wall of the outer cup 31 through a sealing ring, so as to form a closed hydraulic chamber 302 between the inner cup 32 and the outer cup 31. A first liquid inlet channel 311 communicating with the hydraulic chamber 302 is opened on the outer cup 31. A second liquid inlet channel 321 communicating the hydraulic chamber 302 and the extraction chamber is opened on the inner cup 32, and the outlet of the second liquid inlet channel 321 is directly opposite to the inlet of the first liquid inlet channel 311. A liquid outlet channel 21 communicating with the extraction chamber is opened on the first component 2. Thus, as Figure 10As shown, when the beverage brewing device accommodates the smaller capsule 10a and is in the extraction state, after the hot water enters the hydraulic chamber 302 through the first liquid inlet passage 311, on the one hand, the hot water enters the extraction chamber through the second liquid inlet passage 312 to extract the capsule 10, and the extracted coffee liquid flows out through the liquid outlet passage 21. On the other hand, the water pressure in the hydraulic chamber 302 exerts a forward pressure on the inner cup 32 to keep the inner cup 32 in the smaller seat position and prevent the unnecessary expansion of the seat 301.

[0036] A first inner step 312 is provided on the inner peripheral wall of the outer cup 31, and a first outer step 322 is provided on the outer peripheral wall of the inner cup 32. The first outer step 322 is limited behind the first inner step 312 to prevent the inner cup 32 from moving forward and disengaging from the outer cup 31.

[0037] A first guide shaft 313 extending in the left - right direction is provided through the upper part of the rear end of the outer cup 31. The left and right ends of the first guide shaft 313 are respectively inserted into the corresponding support guide rails 12 and can slide along the extending direction of the support guide rails 12; a second guide shaft 314 extending in the left - right direction is provided at the lower part of the rear end of the outer cup 31. The left and right ends of the second guide shaft 314 are respectively inserted into the corresponding guiding guide rails 13 and can slide along the extending direction of the guiding guide rails 13.

[0038] The guide rod 33 is axially provided through the outer cup 31 and the inner cup 32, and the periphery of the guide rod 33 is in sealed cooperation with the outer cup 31 and the inner cup 32 through a sealing ring; a second inner step 323 is provided on the inner peripheral wall of the inner cup 32, and a second outer step 331 is provided on the outer peripheral wall of the front end of the guide rod 33. The second outer step 331 is limited in front of the second inner step 323 to prevent the guide rod 33 from moving backward and disengaging from the inner cup 32; a limiting protrusion 332 is provided on the outer peripheral wall of the rear end of the guide rod 33.

[0039] The first elastic member 34 is a compression spring, which is accommodated in the hydraulic chamber 302, sleeved on the outer periphery of the guide rod 33, and the two ends of the compression spring respectively abut against the opposite surfaces of the inner cup 32 and the outer cup 31, so that the first outer step 322 always has a tendency to move towards the first inner step 312.

[0040] The second elastic member 35 is a compression spring, which is located outside the outer cup 31, sleeved on the outer periphery of the guide rod 33, and the two ends of the compression spring respectively abut against the opposite surfaces of the limiting protrusion 332 and the outer cup 31, so that the second outer step 331 always has a tendency to move towards the second inner step 323.

[0041] The driving mechanism 4 can drive the second component 3 to move back and forth relative to the first component 2, so that the first component 2 and the second component 3 are relatively opened and closed, and its power output end is drivingly connected to the first guide shaft 313. For the specific structure and working principle of the driving mechanism 4, reference can be made to the Chinese patent "Automatic Unpacking Mechanism of Coffee Machine" with the patent application number CN200810162200.1, which will not be elaborated here.

[0042] The blocking member 5 is a blocking post extending in the left-right direction, and the left and right ends of the blocking post are respectively inserted into the corresponding vertical slots 11 and can slide along the extending direction of the vertical slots 11. During the process of the second component 3 moving backward relative to the first component 2, after the rear end of the guide rod 33 contacts the blocking member 5, the guide rod 33 moves forward relative to the outer cup 31 and the inner cup 32 to push the capsule 10 out of the seat portion 301.

[0043] The stopper 6 is arranged at the rear of the machine base 1 and is in blocking cooperation with the lower part of the outer cup 31. During the process of the second component 3 moving backward relative to the first component 2, after the lower part of the rear end of the outer cup 31 contacts the stopper 6, the outer cup 31 that continues to move backward will flip around the first guide shaft 313, so that the rear end of the guide rod 33 is separated from the blocking member 5. In this way, on the one hand, interference between the guide rod 33 and the blocking member 5 in the initial state can be avoided, and on the other hand, it can be ensured that the opening of the seat portion 301 is inclined upward in the initial state, which is convenient for the capsule 10 to be placed.

[0044] The working principle of this embodiment is as follows:

[0045] (1) When a larger capsule 10b needs to be extracted:

[0046] ① Before extraction:

[0047] As Figure 2 shown, in the initial state, the opening of the seat portion 301 is inclined upward. At this time, under the elastic force of the first elastic member 34, the first outer step 322 of the inner cup 32 abuts against the rear of the first inner step 312 of the outer cup 31, so that the inner cup 32 is located at the smaller seat position. At the same time, under the elastic force of the second elastic member 35, the second outer step 331 of the guide rod 33 abuts against the front of the second inner step 323 of the inner cup 32, and the larger capsule 10b is placed into the seat portion 301;

[0048] ② During extraction:

[0049] The second component 3 is driven forward by the driving mechanism 4 so that the first component 2 and the second component 3 are closed. During this process, due to the guiding cooperation between the second guide shaft 314 and the guiding rail 13, the outer cup 31 first rotates downward around the first guide shaft 313 to the horizontal state during the forward movement and then continues to move forward. After the larger capsule 10b contacts the first component 2, it will drive the inner cup 32 to move backward relative to the outer cup 31 to the larger seat position under the reaction force of the first component 2, so that the beverage brewing device is switched to the extraction state. At this time, as Figure 7 shown, the flange 101 of the larger capsule 10b is clamped between the rear end face of the first component 2 and the edge of the front end of the outer cup 31;

[0050] Then, hot water is introduced into the hydraulic chamber 302 through the first liquid inlet channel 311. The hot water in the hydraulic chamber 302 will enter the extraction chamber through the second liquid inlet channel 312 to extract the capsule 10, and the extracted coffee liquid flows out through the liquid outlet channel 21;

[0051] ③ After extraction:

[0052] The second component 3 is driven backward by the driving mechanism 4 so that the first component 2 and the second component 3 are opened. During this process, after the larger capsule 10b is separated from the first component 2, the inner cup 32 will drive the larger capsule 10b to move forward relative to the outer cup 31 to the smaller seat position under the elastic force of the first elastic member 34;

[0053] The second component 3 continues to move backward until the rear end of the guide rod 33 contacts the blocking member 5 (as Figure 8 shown), so that the beverage brewing device is switched to the unpacking preparation state;

[0054] The second component 3 continues to move backward, and the guide rod 33 moves forward relative to the outer cup 31 and the inner cup 32 to push the capsule 10 out of the seat 301 (as Figure 9 shown) to complete unpacking, so that the beverage brewing device is switched to the unpacking end state. At this time, the lower part of the rear end of the outer cup 31 contacts the stopper 6;

[0055] The second component 3 continues to move backward, and the outer cup 31 rotates upward around the first guide shaft 313 under the reaction force of the stopper 6, so that the rear end of the guide rod 33 is separated from the blocking member 5, and the beverage brewing device is reset to the initial state as Figure 2 shown;

[0056] (2) When it is necessary to extract the smaller capsule 10a, its extraction process is roughly the same as that of the larger capsule 10b, the difference is that: during the whole process, the inner cup 32 is always located at the smaller seat position. When the beverage brewing device is in the extraction state, as Figure 10As shown, the water pressure in the hydraulic chamber 302 applies a forward pressure to the inner cup 32 to keep the inner cup 32 in the smaller seat position, avoid unnecessary expansion of the seat 301, and press the flange 101 of the smaller capsule 10a against the rear end face of the first component 2 by means of the edge at the front end of the inner cup 32;

[0057] It should be noted that although the first elastic member 34 can also apply a forward force to the inner cup 32, its elastic force is small and can only provide a preloading effect, while the hydraulic pressure in the hydraulic chamber 302 provides a pressing effect;

[0058] In addition, the blocking device in the background patent can only block the inner cup to keep it in the extraction position when its seat accommodates the smaller capsule. It can be seen that its seat cannot accommodate capsules of other sizes except the smaller capsule and the larger capsule; in this application, no matter what size of capsule the seat accommodates, the water pressure in the hydraulic chamber can apply a forward pressure to the inner cup to avoid unnecessary expansion of the seat, thus facilitating stepless adjustment of the moving position of the inner cup.

Claims

1. A beverage brewing device, comprising a machine base (1), a first component (2) disposed at the front of the machine base (1), and a second component (3) disposed at the rear of the machine base (1) and capable of sliding back and forth relative to the first component (2). In a state where the second component (3) is moved forward to the extreme position, the second component (3) and the first component (2) are closed to each other to define an extraction chamber for accommodating a capsule (10). The second component (3) includes an outer cup (31) and an inner cup (32). The inner cavities of the inner cup (32) and the outer cup (31) together define a seat portion (301). The seat portion (301) is designed to receive the capsule (10) during the forward movement of the second component (3). The inner cup (32) is installed in the outer cup (31) in a manner capable of axially sliding relative to the outer cup (31) to define seat portions (301) of different sizes. It is characterized in that: The second component (3) further includes a guide rod (33) axially penetrating through the outer cup (31) and the inner cup (32). A blocking member (5) is provided at the rear of the machine base (1). During the process of the second component (3) moving backward relative to the first component (2), after the rear end of the guide rod (33) contacts the blocking member (5), the guide rod (33) moves forward relative to the outer cup (31) and the inner cup (32) to push the capsule (10) out of the seat portion (301).

2. The beverage brewing device according to claim 1, characterized in that: Vertical grooves (11) are vertically arranged on the side walls on both the left and right sides of the machine base (1). The blocking member (5) is a blocking post extending in the left-right direction, and the left and right ends of the blocking post are respectively inserted into the corresponding vertical grooves (11) and can slide along the extending direction of the vertical grooves (11).

3. The beverage brewing device according to claim 2, wherein: Support guide rails (12) are horizontally arranged on the side walls on both the left and right sides of the machine base (1). The upper part of the rear end of the outer cup (31) is provided with a first guide shaft (313) extending in the left-right direction. The left and right ends of the first guide shaft (313) are respectively inserted into the corresponding support guide rails (12) and can slide along the extending direction of the support guide rails (12). A blocking block (6) is provided at the rear of the machine base (1) for mating with the lower part of the outer cup (31). During the process of the second component (3) moving backward relative to the first component (2), after the lower part of the rear end of the outer cup (31) contacts the blocking block (6), the outer cup (31) that continues to move backward will flip around the first guide shaft (313) to disengage the rear end of the guide rod (33) from the blocking member (5).

4. The beverage brewing device according to claim 3, wherein: Guide rails (13) are arranged on the side walls on both the left and right sides of the machine base (1). The guide rails (13) include a first guiding section (131) horizontally arranged from front to back and a second guiding section (132) extending upward from the rear end of the first guiding section (131). The lower part of the rear end of the outer cup (31) has a second guide shaft (314) extending in the left-right direction. The left and right ends of the second guide shaft (314) are respectively inserted into the corresponding guide rails (13) and can slide along the extending direction of the guide rails (13).

5. The beverage brewing device according to claim 1, wherein: A second inner step (323) is provided on the inner peripheral wall of the inner cup (32). A second outer step (331) is provided on the outer peripheral wall of the front end of the guide rod (33), and the second outer step (331) is limited in front of the second inner step (323).

6. The beverage brewing device according to claim 5, wherein: The second component (3) further includes a second elastic member (35). The second elastic member (35) acts between the guide rod (33) and the outer cup (31) to make the second outer step (331) always tend to move towards the second inner step (323).

7. The beverage brewing device according to claim 6, characterized in that: A limit protrusion (332) is provided on the outer peripheral wall of the rear end of the guide rod (33). The second elastic member (35) is a compression spring. The compression spring is located outside the outer cup (31), sleeved on the outer periphery of the guide rod (33), and the two ends of the compression spring respectively abut against the opposite surfaces of the limit protrusion (332) and the outer cup (31).

8. The beverage brewing device according to any one of claims 1 to 7, characterized in that: The inner peripheral wall of the outer cup (31) has a first inner step (312), and the outer peripheral wall of the inner cup (32) has a first outer step (322), and the first outer step (322) is limited behind the first inner step (312).

9. The beverage brewing device according to claim 8, wherein: The second component (3) further includes a first elastic member (34), and the first elastic member (34) acts between the inner cup (32) and the outer cup (31) so that the first outer step (322) always has a tendency to move towards the first inner step (312).

10. The beverage brewing device according to claim 9, characterized in that: The first elastic member (34) is a compression spring, the compression spring is sleeved on the outer periphery of the guide rod (33), and both ends of the compression spring respectively abut against the opposite surfaces of the inner cup (32) and the outer cup (31).

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