DEVICE FOR DRINKING PREPARATION AND METHOD FOR OPERATING A DEVICE FOR DRINKING PREPARATION

专利摘要:
beverage preparation device and method for activating beverage preparation device. the present invention relates to a beverage preparation device for extracting a portion of a capsule with a first element of the beverage preparation chamber and a second element of the beverage preparation chamber, where the first and / or second element of the beverage preparation chamber are movable in an axial direction, from a feeding position, where the first and second elements of the beverage preparation chamber are spaced apart from each other, to an extraction position, where the first and second The beverage preparation chamber element constitutes an essentially closed beverage preparation chamber and where the beverage preparation device has an independent locking mechanism for locking the beverage preparation chamber in the withdrawing position.
公开号:BR112015003219B1
申请号:R112015003219-2
申请日:2013-08-15
公开日:2020-12-15
发明作者:Daniel Fischer；Remo Sonderegger
申请人:Eugster / Frismag Ag；
IPC主号:

专利说明:

State of the art
[001] The present invention relates to a beverage preparation device, for extracting a portion contained in a capsule, with a first element of the beverage preparation chamber and a second element of the beverage preparation chamber, where the the first and / or the second beverage preparation chamber element are movable along an axial direction, between a feeding position, where the first and second beverage preparation chamber elements are spaced apart from each other, and a extraction position, where the first and second elements of the beverage preparation chamber constitute an essentially closed beverage preparation chamber, the beverage preparation device having a drive mechanism for the movement of the first and / or second beverage preparation chamber.
[002] Such a beverage delivery device is known, for example, from Document DE 10 2010 044 945 A1. The beverage delivery device is for extracting a portion contained in a capsule, intended for the production of a beverage, particularly coffee. The beverage delivery device comprises a double chamber member for the beverage constructed as a bell-shaped void for receiving a capsule filled with a drinkable substance. A first element of the beverage chamber, constructed as a closing element, is connected to an alternative lever and is movable along an axial direction between a feeding position and an extraction position. In the extraction position, the closing element closes the bell-shaped void and constitutes an essentially closed beverage preparation chamber. In the closing element an injection system is installed to introduce an extraction liquid into the portion capsule, acting in reciprocal action with the drinkable substance contained in the portion capsule and then being sent out of the portion capsule by an extraction system installed in the second element of the preparation chamber, to supply a beverage to a beverage container. In the feeding position, where the closing element and the bell-shaped void are spaced apart, the beverage preparation device is loaded with the portion capsule. Then, the closing element is pushed by means of the alternative lever to the extraction position. There, perforating means installed in the closure element and in the bell-shaped empty space, pierce the portion capsule, so that openings for the entry and exit of the extraction liquid appear during the step of preparing the drink in the extraction position. , when an extraction pressure reigns inside the beverage preparation chamber. It is known to equip this type of beverage preparation device with an alternative hinged lever, pushing the closing element from a feeding position to an extraction position in order to constitute an essentially closed preparation chamber.
[003] Disadvantageous in such beverage preparation devices is that it has to be contained only by the alternative lever to the high extraction pressure prevailing in the beverage preparation chamber during the beverage preparation step, it is not possible to guarantee a preparation chamber sufficiently airtight at the outlet of the extraction liquid. Using an alternative lever hinge sufficient for this type of requirement is very expensive and very difficult. It is therefore desirable to provide a beverage preparation device, which keeps the beverage preparation chamber, during the beverage preparation step, in the beverage pressure chamber under high extraction pressure in such a closed state and, with this, safe against the exit of the extraction liquid, that there the joint force due to the high extraction pressure inside the drink preparation chamber does not have to be compensated only by an alternative articulated lever. In addition, it is desirable to provide a beverage preparation device having a high tightness of the beverage preparation chamber with both low construction and material costs. Presentation of the Invention
[004] The invention therefore has as its fundamental objective to propose a method and a device for the preparation of drinks without presenting the disadvantages of the prior art and where the extraction pressure does not have to be or only has to be partially contained by a lever articulated alternative, thereby improving the sealing of the beverage preparation chamber during the beverage preparation step. In addition, a more economical construction of such a beverage preparation device will be made possible.
[005] The objective is achieved by means of a device for extracting a portion capsule with a first beverage preparation chamber element and a second beverage preparation chamber element, the first and / or the second being elements of the beverage preparation chamber movable along an axial direction, between a feeding position where the first and / or the second beverage preparation elements are spaced apart from each other and an extraction position where the first and the second beverage preparation chamber elements constitute an essentially closed beverage preparation chamber, the beverage supply device having a drive mechanism for the movement of the first and / or second element of the beverage preparation chamber, presenting the beverage preparation device an independent locking mechanism for closing the beverage preparation chamber in the withdrawing position. The beverage preparation device according to the invention has, in relation to the state of the art, the advantage that the beverage preparation chamber, contrary to the state of the art, can be maintained in the closed state by means of an independent locking device. in order to allow a greater sealing of the beverage preparation chamber under the high extraction pressure during the beverage preparation step. In the locking mechanism according to the invention, the closing force is still essentially reduced. The parts of the locking mechanism are simpler and cheaper to implement. Beverage production often places high demands on the beverage preparation device to produce a beverage of a higher quality. For example, in the production of express drink, hot water at high pressure is pressed through the drinkable substance. The extraction of such a liquid under high pressure places particularly high demands on the sealing of the beverage preparation chamber of the beverage delivery device, in order to obtain a beverage of the desired quality. When, however, the high pressure in a lockable beverage preparation chamber has to be contained only by an alternative articulated lever, the construction of such a beverage preparation device is connected to great expense and high costs, and cannot, However, the desired result will always be guaranteed. The beverage preparation device according to the invention therefore has an independent locking device, which is only provided for locking the beverage preparation device in the withdrawing position. Particularly advantageously, the beverage preparation device according to the invention receives, by means of the locking mechanism, the high forces created during the beverage preparation step due to the high extraction pressure created inside the preparation chamber. . The present invention, therefore, comes in a particularly suitable way, meeting the growing need for devices for preparing economic drinks and simultaneously of high qualitative value. With the independent locking mechanism receiving at least part of the elevated pressure within the beverage preparation chamber, during the beverage preparation step, the actuating device is thereby particularly free of charge. In this way, a particularly stable and economical beverage preparation device is provided, based on reduced production and material costs.
[006] Advantageous embodiments and improvements of the invention can be removed from the description with reference to the drawings.
[007] According to a preferred embodiment of the present invention, it is provided that the drive mechanism has a drive element, preferably constructed as an alternative articulated lever, toothed rod, spindle and / or articulated gear. Advantageously, a mechanical drive thus constructed leads, with the closing movement, to the passage of the beverage preparation device from a feeding position to an extraction position, for which a connection is provided, particularly without sliding, between the drive mechanism and the slide element of the beverage preparation chamber, so that a particularly stable beverage preparation device with a longer life is available. In addition, it is advantageously possible to handle the beverage preparation device with less force expenditure, especially through a properly chosen transfer ratio, so that within a short distance with reduced force expenditure, the preparation chamber of the drink can be moved to the extraction position.
[008] According to a preferred embodiment of the present invention, it is envisaged that the drive mechanism is preferably operated manually by means of a lever and / or automatically activated by means of a drive motor. Advantageously, an automatic mechanical actuation leads to an ease of use, since by means of a switch or a button, the beverage preparation chamber can be closed. In a mechanical drive of automatic construction of this type, in addition, the power of the drive motor can be reduced and thus costs can be saved.
[009] According to a preferred embodiment of the present invention, it is provided that the locking mechanism is moved from an opening position to a locking position, to close the beverage preparation chamber in the withdrawing position. Advantageously, the beverage preparation device, in the feeding position, where the first and second elements of the beverage preparation chamber are spaced from each other, and can be filled quite comfortably with a portion capsule, especially due to the spacing between the drilling means installed in the first and / or second elements of the beverage preparation chamber, with substantially reduced risk of injury.
[0010] According to a preferred embodiment of the present invention, it is provided that the locking mechanism has a tongue, the tongue being preferably constructed with a cylindrical or spherical shape. Advantageously, this cylindrical or spherical construction of the tongue, with the passage of the locking mechanism from the opening position to the extraction position, causes the locking movement, especially the rolling movement of the tongue, to be accomplished with an expense of negligible strength. Thus, a comfortable beverage preparation device is made available to the user.
[0011] According to a preferred embodiment of the present invention, it is provided that the first element of the beverage preparation chamber has a retaining element, at least one retaining spring and a sliding element, the retaining element being and the sliding element connected by means of a retaining spring and the retaining element sliding in relation to the sliding element. Advantageously, the retaining element, connected by means of the retaining spring to the sliding element, causes the tongue to be tightened in such a way between the first and second inclined planes during the preparation step of the drink as well as the retaining element which the beverage preparation chamber, under high extraction pressure, transfers a force through the retaining element to the tongue and this tongue in turn transfers it, at least partially, to the wall part of the device beverage preparation, in order in particular to de-charge the drive device. As a result, a more hermetic and faster closing of the beverage preparation chamber is possible, so that a drink can be produced with a hot extraction liquid, especially under high pressure.
[0012] According to a preferred embodiment of the present invention, it is provided that at least one tongue is sliding, in the open position, between the first element of the beverage preparation chamber and the wall part, along the axial direction. Advantageously, a slidingly installed tongue causes the locking movement when the locking mechanism moves from the open to the withdrawing position with reduced force due to the rolling movement of the tongue. Because of this, a comfortable beverage preparation device is provided for the user.
[0013] According to a preferred embodiment of the present invention, it is provided that a first wall has, in a part of the wall fixedly attached to the beverage preparation device, an inclined foreground and a second wall of the sliding element with at least one second inclined plane, where the first inclined plane, the second inclined plane and the retaining element are in contact with the tongue in the locking position. Advantageously, the contact of the tongue with the inclined first plane, the inclined second plane and the sliding element during the beverage preparation step in the locking position, causes the beverage preparation chamber under high extraction pressure to exert a forces, through the retaining element, on the tongue and this in turn transfers it, at least partially, to the wall part of the beverage preparation device, in order to remove load from the actuation device. With this, a particularly more airtight and stronger closure of the beverage preparation chamber is possible, so that a hot extraction liquid can be produced, especially under high pressure.
[0014] According to a preferred embodiment of the present invention, it is envisaged that the second inclined plane is constructed in such a way that, in a change of the locking mechanism from the opening position to the locking position, a movement of the tongue in a direction perpendicular to the axial direction into an empty space created between the first and second inclined planes. Advantageously, the movement of the tongue into the empty space in the locking movement causes the locking mechanism to be operated without a complementary locking step performed by the user, for example, the insertion of a locking pin. In this way, the advantage in relation to the state of the art is achieved, because in the beverage preparation device according to the invention, since the locking step on the part of the user cannot be forgotten, so that the preparation device of beverage according to the invention is particularly watertight.
[0015] In accordance with a preferred embodiment of the present invention, it is envisaged that the hold will be constructed in such a way that a return force exerted by the retaining element on the tongue present in the locking position is received by the foreground inclined during the extraction process. Advantageously, the return force, acting in the axial direction, received by the first inclined plane during the extraction process, means that the actuation device is special and effectively freed from the load and, with that, a more hermetic and firmer closing is possible. beverage preparation chamber. In this way, a beverage, for example, espresso coffee, can be produced, with a particularly economical beverage preparation device, by means of a hot extraction liquid, particularly under high pressure.
[0016] In accordance with a preferred embodiment of the present invention, it is provided to have the locking mechanism, a piston and a tongue pivotally connected to the piston and intended to be inserted into an opening of a wall part and / or to lock on at least one locking element. Advantageously, the introduction of the tongue in the opening, particularly a gap or a cavity in the wall part, makes the locking mechanism can be activated without a complementary locking step performed by the user, for example, the insertion of a pin locking. The advantage over the state of the art is thus achieved that, in the beverage preparation device according to the invention, complementary locking steps by the user cannot be overlooked, so that, thus, the device for preparing drinks beverage according to the invention is particularly compact. In addition, it is advantageously possible that the forces due to the high extraction pressure prevailing in the beverage preparation chamber during the beverage preparation step necessary, for example, for the preparation of an express drink, are borne, in particular, entirely by the part of the wall, in order to relieve the load on the drive mechanism. In this way, another advantage of achieving an essentially cheaper beverage preparation device is achieved.
[0017] According to a preferred embodiment of the present invention, it is provided that the tongue is installed, when in the feeding position, at an angle to the axial direction, where the tongue, in the locking position, is essentially aligned perpendicularly axial direction. Advantageously, the ability of the tongue to articulate between an angled arrangement and one essentially perpendicular to the axial direction, leads to the provision of a drink preparation device with a stably durable and robust one, since frequent, particularly daily, use of the preparation device of beverage according to the invention, places high demands on mechanical stability, especially the stability of the drive and locking mechanisms.
[0018] According to a preferred embodiment of the present invention, the tongue is provided with a sliding surface for sliding over a guide surface of a sliding element of the first element of the beverage preparation chamber. Advantageously, the sliding surface intended to slide on a guide surface leads to the provision of a stable and durable beverage preparation device, since frequent, particularly daily use of the beverage preparation device according to the invention, places high demands mechanical stability, especially the stability of the locking mechanism. In addition, it is advantageously possible, due to the fact that the tongue has a sliding surface and the sliding element has a guide surface, to provide a cheaper and particularly simpler drink construction device when compared to the state of the art.
[0019] According to another object or a preferred embodiment, the beverage preparation device is provided with a first element of the beverage preparation chamber and a second element of the preparation chamber to extract a portion capsule, where the first and / or the second element of the preparation chamber are movable in an axial direction, between a feeding position, where the first and second element of the preparation chamber are separated from each other and an extraction position, where the first and the second element of the preparation chamber constitutes an essentially closed beverage preparation chamber, the beverage preparation device having a drive mechanism for moving the first and / or second elements of the preparation chamber, for which the mechanism actuator has a manual lever and an alternative lever joint, where the manual lever has a first coupling piece and the joint alternative lever connection features a second coupling part, where the first and second coupling parts are in active connection with each other via a toothed connection in order to transform a hand lever movement into a lever joint movement alternative. Advantageously, a drive mechanism constructed in this way means that, in the closing movement, the beverage preparation device moves from a feeding position to an extraction position, through which a connection is provided, particularly without slippage, between the drive mechanism and the slide element of the beverage preparation chamber, in order to provide a particularly stable and longer lasting beverage preparation device. In addition, it is advantageously possible to operate the beverage preparation device with less force expenditure through an appropriate choice of transfer ratio, so that, in a short course and with less force expenditure, the preparation chamber of the drink can be moved to the extraction position.
[0020] According to a preferred embodiment of the present invention, the articulation of the alternative lever is provided with a first and a second alternative levers, the first alternative lever having the second coupling part and the second alternative lever having , on one side it is swiveled to the first alternative lever and on a second side it is slidably positioned in the axial direction. Advantageously, a drive mechanism constructed in this way leads, in the closing movement, to the change of the beverage preparation device, from a feeding position to an extraction position, which allows a comfortable force transformation for the user, from a movement of the manual lever for the sliding closing movement in the axial direction, in order to change the locking mechanism from an opening position to a locking position.
[0021] According to a preferred embodiment of the present invention, it is envisaged that the tongue is articulated at a connection point to the retaining element, the tongue being able to be tightened, especially in the locking position of the locking mechanism, between a locking element fixedly connected to the beverage preparation device and a sliding element, installed slidably in relation to the retaining element.
[0022] According to a preferred embodiment of the present invention, it is envisaged that the tongue is pivotable within an opening in the wall part of the beverage preparation device, by means of a change of the locking mechanism, of a opening position to a locking position, in a direction perpendicular to the axial direction, around a pivot axis projecting through the connection point.
[0023] According to a preferred embodiment of the present invention, it is envisaged that the tongue can be pivoted in and / or out of the opening, by means of a relative movement of the sliding element in relation to the retaining element.
[0024] According to a preferred embodiment of the present invention, the sliding element is provided for applying torque to the tongue around a pivot axis perpendicular to the axial direction, provided through the connection point.
[0025] According to a preferred embodiment of the present invention, it is provided that the locking element is arranged to apply another torque to the tongue around an articulation axis perpendicular to the predicted axial direction running through the connection point.
[0026] According to a preferred embodiment of the present invention, it is provided for the blocking element to apply another torque to the tongue around the articulation axis where the other torque is in the opposite direction to the torque.
[0027] According to the object or preferred embodiment of the present invention, a method is provided for the operation of a beverage preparation device, particularly a beverage preparation device according to the present invention, where in a first step of the method, a first and / or a second beverage preparation chamber element is moved along an axial direction of a feeding position, where the first and second beverage preparation chamber elements are spaced apart from one another to an extraction position, where the first and second elements of the beverage preparation chamber form an essentially closed beverage preparation chamber and in a second method step, to close the beverage preparation chamber by means of a locking mechanism, changing this between an opening position and a locking position, in order to lock the drink preparation chamber in the extraction position, is pushes latches the latch of the locking mechanism in a direction perpendicular to the axial direction. Advantageously, the movement of the tongue into the empty space in the locking movement means that the locking mechanism can operate without a complementary locking step on the part of the user, for example, the manual insertion of a locking pin. In this way, the advantage in relation to the state of the art is achieved, that in the beverage preparation device according to the invention the complementary locking step of the user cannot be overlooked, so that the beverage preparation device according to the invention is particularly airtight. In addition, the high extraction pressure inside the beverage preparation chamber in the extraction of the beverage is not just to be supported by the drive mechanism. Through this, an economical and simple to build drive mechanism is advantageously provided. In addition, an articulation of the tongue around an articulation axis perpendicular to the axial direction in the second step of the method leads to the forces prevailing in the beverage preparation chamber during the beverage preparation step due to the high extraction pressure required , for example, to prepare express drinks, be absorbed by the wall part, particularly in its entirety, so that the drive mechanism is relieved of load. In this way, the other advantage of an essentially cheaper beverage preparation device is achieved.
[0028] According to a preferred embodiment of the present invention, it is provided in a third step of the method, to unlock the beverage preparation chamber by means of a locking mechanism of the tongue which is pushed in the perpendicular direction and in a fourth step, the first and / or second elements of the beverage preparation chamber are moved in the opposite direction along the axial direction from the withdrawing position to the feeding position. Advantageously, the movement of the tongue out of the empty space in the locking movement means that the locking mechanism can operate without a locking step performed by the user, for example, the removal of a locking pin. In this way, the advantage in relation to the state of the art is achieved that in the beverage preparation device according to the invention a complementary locking step cannot be overlooked, so that the beverage preparation device is not inadvertently damaged due to high application of force and, for example, the break of the hand lever.
[0029] According to a preferred embodiment of the present invention, it is provided that the tongue is pushed in the axial direction during the first step of the method, from a second inclined plane of a sliding element of the first beverage preparation chamber element and during the second step of the method the tongue is pushed from the second inclined plane in the perpendicular direction and during the second step of the method the tongue is pushed in the perpendicular direction, from the second inclined plane, to an empty space created by the first inclined plane of the wall beverage preparation device and by the inclined second plane and during the extraction process be tightened by a holding force acting in the opposite direction of the axial direction, in the void created between the first inclined plane, the second inclined plane and the element retention. Advantageously, the clamping leads to the clamping of the tongue in the empty space between the first inclined plane, the second inclined plane and the sliding element, during the beverage preparation process in the locking position, where the beverage preparation chamber under high pressure of extraction transmits at least partially a force, through the retaining element, to the wall part of the beverage preparation device, in order to remove load from the actuation device. With this, a particularly more airtight and firm closure of the beverage preparation chamber is possible, so that a drink can be produced by means of an extraction liquid under high pressure.
[0030] According to a preferred embodiment of the present invention, during the first step of the method, a sliding surface of the tongue is provided to be pushed over a guide surface of the sliding element. Advantageously, an impulse of the sliding surface of the tongue on a guide surface of the sliding element makes it possible to provide a drink preparation device of stable and robust duration, since frequent use, especially daily, of the drink preparation device according to the invention, it places high demands on mechanical stability, especially the locking mechanism. Furthermore, it is advantageously possible, based on the tongue having a sliding surface and the sliding element having a guide surface, to provide a more economical and particularly easy to build beverage preparation device compared to the state of the art.
[0031] According to a preferred embodiment of the present invention, it is envisaged that the tongue will be so articulated during the second step of the method that an end of the tongue is inserted into an opening of the wall part and / or at least it is blocked by a locking element in relation to a movement in the axial direction. Advantageously, the insertion of the opening tongue, especially a gap or cavity in the wall part, allows the locking mechanism to operate without a complementary locking step performed by the user, for example, the insertion and a locking pin . In this way, it is possible to achieve the advantage in relation to the state of the art, that in the beverage preparation device according to the invention, the locking step by the user cannot be forgotten, whereby the beverage preparation device according to the invention is particularly airtight. Furthermore, it is advantageously possible for the forces prevailing inside the beverage preparation chamber during the process of preparing the drink with high extraction pressure, necessary, for example, for the preparation of express drinks, are absorbed, particularly in its entirety, through the wall, so that the drive mechanism is relieved of loads. In this way, the additional advantage of providing an essentially economical beverage preparation device is achieved.
[0032] Other peculiarities, characteristics and advantages of the invention are removed from the drawings, as well as from the following description of preferred embodiments with the help of the drawings. The drawings here simply illustrate exemplary embodiments of the invention, not essentially reducing the idea of the invention. Short Description of the Figures
[0033] Figures 1a and 1b show section views of a beverage preparation device according to a first embodiment of the present invention.
[0034] Figures 2a to 2g show schematic views of a locking mechanism according to a second embodiment of the present invention.
[0035] Figure 3 shows a schematic view of a locking mechanism according to a third embodiment of the present invention.
[0036] Figures 4a to 4e show schematic views of a locking mechanism according to a fourth embodiment of the present invention.
[0037] Figures 5a to 5c show schematic views of a drive mechanism according to an embodiment of the present invention.
[0038] Figures 6a to 6e show schematic views of a locking mechanism according to a fifth embodiment of the present invention.
[0039] Figures 7a and 7b show schematic views of a locking mechanism according to a sixth embodiment of the present invention.
[0040] Figures 8a and 8b show schematic views of a locking mechanism according to a seventh embodiment of the present invention.
[0041] Figures 9a to 9e show schematic views of a locking mechanism according to an eighth embodiment of the present invention. Ways of Carrying Out the Invention
[0042] In the different Figures identical pieces are always provided with the same reference numbers and are therefore, as a rule, also only referred to or indicated once.
[0043] Figures 1a and 1b show cross-sectional views of a preparation and beverage device 1 according to a first embodiment of the present invention. The beverage preparation device 1 has a first element of the beverage preparation chamber 2 and a second element of the beverage preparation chamber 3, spaced apart from each other in a feeding position, so that a portion capsule 4 of a drinkable substance (not shown) can be introduced into the feeding device. The first element of the beverage preparation chamber 2 is movable in the axial direction 5 in order to create with the second element of the beverage preparation chamber 3 a beverage preparation chamber 6 essentially closed for receiving the portion capsule 4 (see Figure 2). The first element of the beverage preparation chamber 2 comprises a piercing element 7 with a piercing tip 8 for piercing the cap of the dose capsule 9 and a water supply channel (not shown) for injecting an extraction liquid into the portion capsule 4 during the beverage preparation process. The second element of the beverage preparation chamber 3 comprises another piercing tip (not shown) for piercing the bottom of the capsule 10 and for the outlet of the extraction liquid, mixed with the drinkable substance inside the capsule of portion 4 and one outlet channel 11 intended for the outlet of the extraction liquid into a beverage container (not shown).
[0044] The beverage preparation device 1 further features a drive mechanism 12, preferably constructed as an alternative lever joint 13 (see Figure 3), for changing the first element of the beverage preparation chamber 2 and the second element from the beverage preparation chamber 3, from the feeding position to an extraction position. Optionally, the alternative lever joint 13 of the drive mechanism 12 is driven by a drive motor, so that a reduction in the power of the drive motor is achieved compared to that of a beverage preparation device without an alternative lever joint. In this way, an economical construction of the beverage preparation device 1 according to the invention is possible. The alternative lever joint 13 is preferably operated manually by means of the manual lever 14. In addition, between the drive mechanism 12 and the second element of the beverage preparation chamber 3, an independent locking mechanism 15, by means of which the necessary closing force for the hermetic closing of the beverage preparation chamber 6 is further reduced and an even simpler and cheaper execution of the beverage preparation device 1 is made possible. The locking mechanism 15 comprises a tongue 16, preferably constructed as a sphere or cylinder, an inclined first plane 18 installed on a wall part 17 of the beverage preparation device 1, an inclined second plane 20 installed on a sliding element 19 of the first element of the beverage preparation chamber 2 and a retaining element 22 connected to the sliding element 19 of the first element of the beverage preparation chamber 2 with a retaining spring 21, most preferably placed on an axis extending along the axial direction 5 and / or parallel to that axis.
[0045] In Figure 1a is shown a schematic sectional view of a beverage preparation device 1 according to a first embodiment of the present invention, shown in the feeding position. The first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 are spaced in such a way that a portion capsule 4 can be inserted perpendicularly to the axial direction 5 of the course of the feeding direction ( perpendicular to the paper plane in Figure 2). Preferably, the distance between the first 2 and the second 3 elements of the beverage preparation chamber is large enough to minimize the risk of injury to the user due to the drilling tip 8 installed in the element hole 7 of the first element of the beverage preparation chamber 2, during insertion of the portion capsule 4. The alternative lever joint 13 of the drive mechanism 12 is, in the feeding position, in a folded position, so that by means of a manual lever 14 connected to the alternative lever joint 13 or a drive motor (not shown), using the lever rule, a movement is performed the closing in the axial direction 5 fast and strong.
[0046] The locking mechanism 15 is, in the supply position, placed in an opening position, where the tongue 16 is moved into an empty space created by the wall piece 17, the retaining element 22 and the second inclined plane 20 along the axial direction 5, together with the first element of the drink preparation chamber 2. With a movement of the first element of the drink preparation chamber 2 in the axial direction 5, from the feeding position to the withdrawing position , the tongue 16 is pushed from the second inclined plane 20, while in a movement in the opposite direction to the direction 5 the retention spring 22 pushes the tongue 16. Here, depending on the preferred shape in the form of a sphere or tongue cylinder 16, particularly reduced losses due to friction, in the slide of tongue 16 together with the first element of the beverage preparation chamber 2, which is also advantageous for obtaining savings in the execution of the m actuation mechanism 12.
[0047] Figure 1b shows a schematic cross-sectional view of a beverage preparation device 1 according to a first embodiment of the present invention, shown in the extraction position. The first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 together constitute an essentially closed beverage preparation chamber 6, where during the beverage preparation process, a portion capsule 4 containing a drinkable substance and to which, preferably under high pressure, a hot extraction liquid is mixed with the drinkable substance and carried through the discharge channel into a beverage container. Preferably, the beverage preparation chamber 6 is such a hermetically sealed manner that it is not possible for the extraction liquid to escape from the beverage preparation chamber 6 during the beverage preparation process due to insufficient sealing.
[0048] The articulation of the alternative lever 13 of the actuation mechanism 12 is, in the extraction position, in an extended position and receives part of the respective force exerted by the first element of the drink preparation chamber 2, due to the high pressure reigning in the beverage preparation chamber 6 during the preparation process and transmitted to the first element of the preparation chamber 2.
[0049] The locking mechanism 15 is placed, in the extraction position, in a locking position, where the tongue 16 is tightened inside an empty space created by the inclined foreground 18 of the wall part 17, the retaining element 22 and the second inclined plane 20. In this way, there is a transfer of force to the wall part 17 of the beverage preparation chamber 6, which arises due to the high pressure in the beverage preparation chamber 6 during the preparation process and it is transmitted through the retaining element 22 of the first element of the drink preparation chamber 2 to the tongue 16. This transfer of force advantageously leads to a relief of the load on the articulation of the alternative lever 13, so that less force of closure, particularly during the beverage preparation process, thus making it possible to make the beverage preparation device simpler and that of technique.
[0050] Figures 2a and 2g show sectional views of a locking device 15 according to a second embodiment of the present invention, where each of the steps for locking and unlocking the locking mechanism 15 are described in more detail.
[0051] Figure 2a illustrates a beverage preparation device 1 being in the feeding position, with locking mechanism 15 in the opening position. The tongue 16 is installed slidably between a first inclined plane 18 presented by a wall piece 17 and a first element of the beverage preparation chamber 2 having a second inclined plane 21, a retaining element 21 connected elastically to the sliding element 19, along the axial direction 5. A portion 4 capsule is positioned there in a receiving element of the bell-shaped portion 23 capsule, provided for receiving the portion 4 capsule, from a second preparation chamber element of the drink 3 connected to the wall part 17. The particularly spherical or cylindrical shape of the tongue 16 here allows the first element of the beverage preparation chamber 2 to slide particularly easily due to the reduced rolling friction of the tongue 16.
[0052] Figure 2b shows the first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 in the extraction position, where an essentially closed beverage preparation chamber 6 is formed. In contrast, the locking mechanism 15 is in the open position. The tongue 16 is slidably installed here in a direction running perpendicular to the axial direction 5, in an empty space created by the first inclined plane 18, the second inclined plane 20 and the retaining element 22.
[0053] In Figure 2c it is shown that the first and the second element 3 are in the extraction position and the locking mechanism 15 is in the locking position. When changing from the opening position to the locking position, the retaining spring 21 is pressed together. Therefore, a movement of the sliding element in relation to the retaining element 22 is triggered, so that a movement of the inclined second plane 20 installed in the sliding element 19 triggers a slide of the tongue 16 in a direction perpendicular to the axial direction 5. With that the tongue 16 is pushed perpendicularly into the void created by the first inclined plane 18 and the retaining element 22 and simultaneously pressed into the locking position by the second inclined plane 20.
[0054] Figure 2d shows the locking mechanism 15 during the drink preparation process. The locking mechanism 15 is in the locking position, so that the forces resulting from the high extraction pressure, during the beverage preparation process, are transferred through the sliding element 19 to the tongue 16 and thereby to the part of wall 17 firmly connected to the beverage preparation device 1. In this way the drive mechanism 12 and especially the alternative lever joint 13 are loaded much less when compared to the state of the art.
[0055] In Figure 2e, the first and second elements of the beverage preparation chamber 3 are illustrated in the extraction position and the locking mechanism 15 is in the locking position, where also the high extraction pressure, after the beverage preparation process is reduced inside the beverage preparation chamber 6. In a subsequent movement against the sliding element in the axial direction 5 and in relation to the retaining element 22, the tongue 16 is moved from the first inclined plane 18 in the perpendicular direction, back to the opening position.
[0056] In Figure 2f the first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 are represented in the extraction position, where an essentially closed beverage preparation chamber 6 is constituted. In contrast, the locking mechanism 15 is in the open position. There, the tongue 16 is slidably placed in an empty space created by the first inclined plane 18, the second inclined plane 20 and the retaining element 22. This situation corresponds to the arrangement shown in Figure 2c, but, however, with the difference of a subsequent movement of the first element of the beverage preparation chamber 2 in the opposite direction to that of the axial direction 5 is carried out in order to return the beverage preparation device 1 to a feeding position.
[0057] In Figure 2g the beverage preparation device 1 is shown, in correspondence with Figure 2a, in a partially open position, between the extraction position and the feeding position. The locking mechanism 15 is in the opening position, so that the tongue 16 is slidably positioned in the opposite direction from the axial direction 5. With this movement back to the feeding position, the tongue 16 is pushed in the direction contrary to the axial direction 5 of the retaining element 22. The spherical or cylindrical shape of the tongue 16 allows here a particularly easy and simple sliding of the first element of the beverage preparation chamber, especially because of the reduced rolling friction of the tongue 16. With the movement of the first element of the beverage preparation chamber 2, from the extraction position to the feeding position, the portion capsule 4 is then removed by the flange, by means of coupling arms (not shown) and then falls out of the beverage preparation device 1.
[0058] In Figure 3, a locking mechanism 12 is shown according to a third embodiment of the third embodiment of the present invention. The tongue 16 is clamped, according to the third embodiment of the locking mechanism 15, in the locking position, simply between the first inclined plane 18, a second wall 31 of the sliding element 19 and the retaining element 22. Thus it is advantageously possible to transfer the forces present during the beverage preparation process because of the extraction pressure prevailing in the beverage preparation chamber exclusively to the wall part 17 fixed on the beverage preparation device 1 and thus completely releasing the mechanism drive 12.
[0059] Figures 4a to 4e show views of a locking mechanism 15 according to a fourth embodiment of the present invention. The locking mechanism 15 according to the fourth embodiment of the present invention has a first movable beverage preparation chamber element 2 along an axial direction 5, an opening 35, 35 'of the wall part 17 and an element locking 36, 36 '. The first element of the beverage preparation chamber comprises a piston 37 connected to the drive mechanism 12 and movable along the axial direction, a tongue 16, 16 'installed with the piston at a first rotating end around a connection point 33 , 33 ', showing a sliding surface 38, which is in contact with a guide surface 39 of the sliding element 19. The sliding surface 38 of the tongue which with a movement of the piston in the axial direction 5, the sliding surface of the tongue 16, 16 'is pushed along the guide surface 39 of the sliding element 19. The opening 35, 35', for example, in the form of a groove, receiving cavity or shaped in any other form of empty space of the wall part 17, is positioned such that the tongue 16, 16 'fits into the opening 35, 35'. The locking element 36, 36 'is located near the opening 35, 35' and is fixedly connected with the wall part 17 in order to block a movement of the first element of the beverage preparation chamber 2, particularly of the sliding element 19, during the drink preparation process. The tongue 16, 16 'is still, in the locking position, in flat contact, along its main surface extension plane, with the sliding element 19, so that a force due to a high extraction pressure inside the the beverage preparation chamber, during the beverage preparation process, is particularly well received by the tongue 16, 16 'and can be transferred to the wall part 17 by means of the locking element 36, 36'. In this way, the drive mechanism 12 is advantageously relieved of loads, so a more economical drink preparation device is available when compared to the state of the art.
[0060] Figure 4a shows the locking mechanism 12 of the beverage preparation device 1, in the feeding position, with the tongue 16, 16 'in an angled position in relation to the axial direction 5 and the portion capsule 4 outside an open beverage preparation chamber 6. The tongue 16, 16 'abuts the locking element 36, 36' so that a movement of the first element of the beverage preparation chamber 2 out of the feed position against the axial direction 5 is blocked. A movement of the piston 37 along the axial direction 5, out of the feeding position, on the contrary, leads to a rotation of the tongue 16 about an axis running perpendicular to the axial direction 5, passing through the connection point 33. The tongue (16, 16 ') is placed in such a way that it can be pivoted, from an angled position in relation to the axial direction 5, to the opening position, in a direction essentially perpendicular to the axial direction 5 to the position of extraction.
[0061] In Figure 4b the locking mechanism 12 of the beverage preparation device 1, is shown after an initial axial movement of the piston 37 in the axial direction 5. Due to the movement of the piston 37, a rotation of the tongue 16, 16 is triggered 'around the axis running perpendicularly to the axial direction 5 through the connection point 33, 33', so that the sliding surface 38 of the tongue 16, 16 'moves along the guide surface 39 of the sliding element 19 in the direction opening 35, 35 '. During this movement the sliding element 19 is pushed in the axial direction 5 in order to push the portion capsule 4 into the beverage preparation chamber 6.
[0062] In Figure 4c the locking mechanism 12 of the beverage preparation device 1, is shown in the opening position, where the beverage preparation chamber 6 is closed and completely sealed by means of a sealing element 34 , particularly in the form of sealing rings and thereby forms a substantially closed beverage preparation chamber 6. Another movement of the piston 37 in the axial direction 5 triggers the change of the locking mechanism to the locking position, since the sliding element 19 abuts a receiving element 23 of a second element of the beverage preparation chamber, so that a another movement of the sliding element 19 in the axial direction is blocked by the receiving element 23.
[0063] In Figure 4d, the locking mechanism 12 of the beverage preparation device 1 is shown in an intermediate position between the opening position and the locking position, where the beverage preparation chamber 6 is so closed by the sliding element 19 constituting an essentially closed beverage preparation chamber 6. Due to the blocking of the movement of the sliding element 19 in the axial direction 5, the sliding surface 38 of the tongue 16, 16 'is pushed into the opening 35, 35' perpendicular to the axial direction 5. There, the tongue 16, 16 'is simultaneously guided by a guide surface, preferably curved, installed in the locking element 36, 36 'whereby the second end of the tongue 16. 16' is moved towards the opening 35, 35 '. By moving the piston 37 in the axial direction 5 out of the opening position, additional pressure is exerted on the beverage preparation chamber 6 by means of the sliding element 19, so that it is closed in a particularly hermetic manner. In this way, leakage of the beverage preparation chamber 6 during the beverage preparation process is particularly prevented in a simple way and a particularly sealed beverage preparation chamber 6 and a particularly stable beverage preparation device 1 are provided.
[0064] In Figure 4e, the locking mechanism 12 of the beverage preparation device 1, is shown in the locking position, where the beverage preparation device 1 is in the extraction position and the beverage preparation chamber. 6 is essentially closed and in the extraction position it is essentially closed and locked. In the locking position the tongue 16, 16 'fits into the opening 35, 35' of the wall part 17 and is aligned, particularly with respect to a main plane of extension of the length of the tongue 16, 16 ', essentially perpendicular to the direction axial 5. In addition, the tongue is placed between the sliding element 19 and the locking element 36, 36 'in such a way that a movement of the sliding element in the opposite direction to the axial direction 5, out of the withdrawal position is blocked. Hereby it is advantageously possible to reach the beverage preparation chamber 6, during the beverage preparation process, with a comparatively high extraction pressure in relation to the prior art. Hermetically closing the drink preparation chamber. In this way, for example, coffee drinks of particularly good quality, especially espresso, can be produced. In addition, the high extraction pressure prevailing inside the hermetically closed beverage preparation chamber 6 is transferred by means of the sliding element 19, in a particularly efficient way, to the plane of the tongue 16, 16 'resting on the sliding element 19 The extraction pressure is transferred there from the tongue 16, 16 'to the locking element 36, 36' and in particular, partially to the piston 37 and received by the locking element 36, 36 'connected with the beverage preparation device 1 by means of the fixed wall part 17. In this way the load drive mechanism is released, with which production material costs can be reduced due to the lower demands placed on the drive mechanism.
[0065] Figures 5a to 5c show schematic views of a drive mechanism 12 according to an embodiment of the present invention. The drive mechanism 12 has a hand lever 14 with a first coupling part 24 and an alternative lever joint 13 with a second coupling part. The first coupling part 24 of the hand lever 14 is rotatable about a first coupling axis 28 connected to the beverage preparation device 1 and the second coupling part 25 of the alternative lever joint 13 is rotatable about a second axis connector 29 connected to the beverage preparation device 1. A transfer of forces from the hand lever 14, through the first coupling part 24, to the second coupling part 25, is carried out for this between a sprocket connection 32 installed between the first 24 and the second 25 coupling piece. Advantageously, such a sprocket connection 32 leads to a particularly stable connection, especially without slippage, between the first coupling part 24 and the second coupling part 25. The alternative lever hinge 13 has an alternative lever 26, which is swiveled connected theoretically, on the one side to the second coupling part 25 and on the other side to a second alternative lever 27. The second alternative lever 27 is also, on the other second side, installed slidably along the axial direction 5 and preferably to a first element of the beverage preparation chamber 2. In this way it is advantageously possible, with minimal expenditure, to transform a movement of the hand lever 14 into a rapid movement of the first element of the beverage preparation chamber 2.
[0066] The length of the first alternative lever 26 preferably reaches a length between 1 and 50 cm, more preferably a length between 10 and 30 cm and particularly preferably a length of about 22 cm. The length of the second alternative lever 27 preferably reaches a length between 1 and 50 cm, more preferably between 20 and 40 cm and more particularly preferably a length of about 31 cm. The first alternative lever 26 can rotate connected with the second alternative lever 27 around an axis, where the rotation of the first alternative lever 26 around the second axis of rotation 29 contributes to the passage of the alternative lever hinge 13 from the angled position to the position extended by preferably between 80 and 300 degrees, more preferably between 120 and 160 degrees and most preferably about 137 degrees.
[0067] Figure 5a is the beverage preparation device 1 represented in a feeding position, where the hand lever 14 is in an open position and the articulation of the alternative lever 13 is in an angled position. The hand lever 14 has a main direction of extension direction extending, in the open position of the hand lever 14, essentially perpendicular to the axial direction 5, especially perpendicular to the main extension plane of the beverage preparation device 1.
[0068] In Figure 5b, the beverage preparation device 1 is shown in an intermediate position between the feeding position and the withdrawing position. With a closing motion of the hand lever 14 the hand lever 14 is rotated around the first connecting axis 28, where the rotational movement of the first coupling part 24 is transmitted via a gear connection 32 to the second part coupling. Preferably the first coupling part 24 has a radius greater than the second coupling part 25, so that a rotational movement of the first coupling part 24 causes a rotation movement of the second coupling part 25 in a particularly advantageous and with little expenditure of force, leading to a rapid rotation movement of the second coupling part 25.
[0069] In Figure 5c, the beverage preparation device 1 is shown in another intermediate position, between the feeding position and the withdrawing position. While the hand lever 14 was simply rotated by a reduced angle around the first connecting axis 28 in the direction of the closed position, due to the faster rotational movement of the second coupling part 25, the first alternative lever 26 is rotated by an angle greater relative to the hand lever 14, around the second axis of rotation. In this way a particularly quick change of the articulation of the alternative lever 13 is achieved, from an angled position to an extended position, so that the first element of the drink preparation chamber 2 can move with greater speed from the feeding position to the position of extraction.
[0070] In Figure 5d, the beverage preparation device 1 is shown in the extraction position. In this context, the hand lever 14 is in the closed position with the main direction of the extension plane essentially parallel to the beverage preparation device 1 and aligned along the axial direction 5. The articulation of the alternative lever 13 is moved to the extended position, whereby the first element of the beverage preparation chamber 2 is in contact with the second element of the beverage preparation chamber 3 and constitute an essentially closed beverage preparation chamber 6.
[0071] Figures 6a to 6e show schematic views of a locking mechanism 15 according to a fifth embodiment of the present invention. The locking mechanism 15 according to the fifth embodiment of the present invention has a first element of the beverage preparation chamber 2 which can slide in the axial direction 5 and a second element of the beverage preparation chamber 3, where the first element of the beverage preparation chamber 2 is located, in the feeding position, from the second element of the beverage preparation chamber 3, in such a way that a portion capsule 4 can be inserted in a feeding direction perpendicular to the axial direction 5 (not shown). The first element of the beverage preparation chamber 2 is movable along the axial direction 5 to a feeding position, in order to form, with the second element of the beverage preparation chamber 3, an essentially closed beverage preparation chamber 6, particularly during the beverage preparation process. Preferably, a perforation element 7 (see Figure 1) is constructed on the first element of the beverage preparation chamber 2, with perforation tips 8 for perforating the cap of the capsule 9 of the capsule portion 4, as well as a channel for supplying water for injection of an extraction liquid into the portion 4 capsule during the beverage preparation process. In the second element of the beverage preparation chamber 3, another perforation tip for piercing the bottom of the capsule 10 is constructed, as well as a discharge channel 11 for the outlet of the extraction liquid, mixed inside the portion capsule 4 with the substance drinkable, to a drinking container (not shown).
[0072] The actuation mechanism 12 for moving the first element of the beverage preparation chamber 2, from the feeding position to the extraction position according to the fifth embodiment, presents, as a driving element, an articulation of alternative lever 13 with a first alternative lever 26 and a second alternative lever 27. The drive mechanism 12 is preferably operable by means of a hand lever 14 not shown, where a first coupling part 24 of the hand lever 14 is in active connection, via a sprocket connection 32, with a second coupling part 25 pivotally installed on the wall part 17 of the beverage preparation device 1, in order that a movement of the hand lever 14 is transmitted to a movement of the alternative wing-hinge joint 13 with the first alternative lever 26 and the second alternative lever 27. The second alternative lever is preferably a, movably connected with the first element of the beverage preparation chamber 2, in order to drive a movement of the first element of the beverage preparation chamber 2, between the feeding position and the withdrawing position by means of the driving mechanism 12 .
[0073] Furthermore, the beverage preparation device 1 according to the fifth embodiment has an independent locking mechanism 15 for locking the beverage preparation chamber 6 in the withdrawing position. The locking mechanism 15 has a sliding element 19 also known as a piston 37, a retaining element 22 movable along the axial direction 5 relative to the sliding element 19 and elastic through a retaining spring 21, connected to the sliding element 19, as well as a tongue 16. The tongue 16 is pivotally installed at a connection point 33 with the retaining element 22 connected with the first element of the beverage preparation chamber 2 and installed so that it can slide in the axial direction 5 in the workpiece area. wall 17 of the beverage preparation device 1 for an opening position, especially for a feeding position. In addition, the tongue 16 configured to fit into an opening 35 of the wall part 17 and / or to lock with at least one locking element 36, installed on the wall part 17 of the beverage preparation device and fixed on the wall part 17 in a locking position. The sliding element 19 has a guide surface 39 with a first guide side 39 '(shown in Figure 6a) and a second guide side 39 "(shown in Figure 6a), where the first guide side 39' is in the open position, on the tongue 16 and shows a first main extension plane. Perpendicular to the axial direction 5 and perpendicular to the feeding direction. The second guide side 39 "of the guide surface 39 of the sliding element 19 has a second main extension plane, parallel to the axial direction 5 and perpendicular to the feed direction. The two main planes of extension of the second guide side 39 "are, with special preference, parallel to another main plan of extension of a wall 30 of the wall part 17 of the beverage preparation device 1 and so far removed from the other planes main extension elements that the sliding element 19 produces a torque on the tongue 16. The tongue 16 has a sliding face 38 with a first sliding side 38 '(shown in Figure 6c) and a second sliding side 38 "(represented in Figure 6b), where the first sliding side 38 'abuts, in the open position, on the first guide side 39' of the guide surface 39 of the sliding element 19 and is installed parallel to the first guide side 39 'and where the second sliding side 38 "is installed parallel to the second guide side 39 ", parallel to the wall 30 of the wall part 17 and slidingly against the wall 30 of the beverage preparation device 1.
[0074] Figure 6a shows the locking mechanism 15 of the beverage preparation device 1 in the feeding position. Preferably, the first element of the beverage preparation chamber 2 is, in the feeding position, so far away from the second element of the beverage preparation chamber 3, that easy insertion of the portion capsule 4 into the feeding direction is possible. The tongue 16 is in the feeding position due to the contact of the sliding element 19 on the first sliding side 38 'and on the second sliding side 38 "and / or to the connection at the connection point 33 with a movement along the axial direction dragged by the first element of the beverage preparation chamber 2. With a movement of the first beverage preparation element 2 along the axial direction, there is no pivoting movement around the connection point 33 with the tongue 16 in the opening position. , with a slide of the first element of the beverage preparation chamber 2 along the axial direction 5 by directing the second sliding side 38 "of the tongue 16 parallel to the other main planes of extension of the wall 30 of the wall part 17 and through by placing the second sliding side 38 "of the tongue 16 to slide on the wall 30 of the wall part 17, a rotary movement of the tongue 16 around the connection point 33 is blocked .
[0075] In Figure 6b the locking mechanism 15 of the beverage preparation device 1 is shown after an initial movement of the piston 37 in the axial direction 5. The tongue 16 is still in the opening position, where the first sliding side 38 'of the sliding surface 38 of the tongue 16 abuts the first guide side 39' of the guide surface 39 of the sliding element 19 and is aligned parallel thereto. The first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 are in the extraction position and constitute an essentially closed beverage preparation chamber 6. There, the retaining element 22 of the first element of the beverage preparation chamber 2 abuts the lid of the capsule 9 and / or the receiving element 23 of the portion capsule 4, such that a further movement of the retaining element 22 in the axial direction 5 it drives a relative movement of the sliding element 19 by means of the retaining spring 21 connected to the retaining element 22. The first guide side 39 'of the guide surface 39 of the sliding element 19 abuts in such a way as to the first sliding side 38' from the sliding surface 38 of the tongue 16 which, with another movement of the sliding element 19 in the axial direction 5, produces torque from the sliding element 19, plus a movement of the sliding element 19 or piston 37 along the axial direction 5 , out of the feeding position and into the withdrawing position, therefore leads to a rotary movement or articulation movement of the tongue 16, around an axis passing through the connection point 33 perpendicular axial direction 5.
[0076] Due to the continued movement of the sliding element 16, a rotation of the tongue 16 is produced around the axis perpendicular to the axial direction 5 which passes through the connection point 33, where the first sliding side 38 'of the sliding surface 38 of the tongue 16 slides on the first guide side 39 'of the guide surface 39 of the sliding element 19 of the first element of the beverage preparation chamber 2 and the second sliding side 38 "of the sliding surface 38 of the tongue 16 is pivoted in the direction of the opening 35 for a locking position.
[0077] In Figure 6c the locking mechanism 15 of the beverage preparation device 1 is represented in a position between the opening position and the locking position, where the beverage preparation chamber 6 is closed by the retaining element 22 and thereby a substantially closed beverage preparation chamber 6 is formed. A continuation of the movement of the sliding element 19 in the axial direction 5 triggers a locking movement of the locking mechanism 15 to the locking position. The first guide side 39 'of the guide surface or the edge area between the first guide side 39' of the guide surface 39 of the sliding element 19 slides during the locking movement on the first sliding side 38 'of the sliding surface 38 of the tongue 16 until that the second sliding side 38 "of the sliding surface of the tongue touches the locking element 36. The second sliding side 38" of the sliding surface 38 of the tongue 16 is then pushed perpendicularly to the axial direction 5 into the opening 35. There The tongue 16 is further guided by another guide surface installed in the region of the opening 35 of an inclined foreground 18 of the wall 30 of the wall part 17. With a movement of the sliding element 19 in the axial direction 5 out of the opening position and towards within the withdrawing position, a complementary pressure is created by means of the sliding element 19 on the essentially closed beverage preparation chamber 6, so that this is f particularly sealed. In this way, leakage from the beverage preparation chamber 6 during the beverage preparation process is particularly prevented in a particularly simple manner and a particularly tight and stable beverage preparation device 1 is available.
[0078] In Figure 6d the locking mechanism 15 of the beverage preparation device 1 is represented between the opening position and the locking position, where the beverage preparation chamber 6 is closed by the retaining element 22 and thereby an essentially closed beverage preparation chamber 6 is formed. A pivoting movement of the tongue 16 around the connection point 33 is blocked because the second sliding side 38 "of the sliding surface 38 of the tongue 16 abuts the locking element 36. Thereby the tongue 16 is in the locking position. The sliding element 19 is then pushed further in the axial direction against the return force of the retaining spring 21 relative to the receiving element 23 and relative to the tongue 16 inserted in the opening 35 in the locking position, in order to change the alternative lever hinge from an essentially angled position, where the first alternative lever 26 and the second alternative lever 27 are arranged at an angle of less than 180 degrees, preferably between 160 and 179 degrees, in order to constitute the second connection axis 29 to change to an extended position, where the angle between the first alternative lever 26 and the second alternative lever 27, preferably adjusted around the second the connection axis 29 reaches about 180 degrees.
[0079] In Figure 6e, the locking mechanism 15 of the beverage preparation device 1 is shown in the locking position, where the beverage preparation device 1 is in the withdrawing position and the beverage preparation chamber 6. it is essentially closed and especially hermetically closed and locked in the extraction position. In the locking position, the tongue 16 fits into the opening 35 aligned essentially perpendicular to the axial direction 5. In addition, the alternative lever hinge 13 is placed in such an extended position that a movement of the sliding element against the direction axial 5 out of the withdrawal position of the drive element, especially the alternative lever hinge 13 is locked. Thereby it is advantageously possible to reach the beverage preparation chamber 6, during the beverage preparation process, with a high extraction pressure compared to the state of the art and there to close the beverage preparation chamber 6 hermetically. from this, for example, particularly good quality coffee drinks can be produced, especially espresso. In addition, the high extraction pressure within the hermetically closed beverage preparation chamber 6 can be transmitted through the sliding element 19 or the piston 37 or the alternative lever joint 13, in a particularly efficient manner, to a shaft formed by first alternative lever 26, alternative lever hinge 13 and second alternative lever 27, of the drive element and for the area containing the second sliding surface 38 "of the sliding surface 38 of the tongue 16 resting on the locking element 36. A Here, the extraction pressure is partially transferred by the tongue 16 to the locking element 36 and absorbed by the locking element 36 'fixedly connected with the wall part 17 of the beverage preparation device 1. Particularly preferably the beverage preparation device 1 features two tongues 16 installed in two opposite positions, which each compensate for a force perpendicular to the axial direction 5 and perpendicular to the feed direction. With an unlocking of the locking mechanism 15 the alternative lever joint 13 is moved from the extended position back to the angled position, where the recovery force of the retaining spring 21 drives a movement of the sliding element 19 in relation to the retaining element 22 against the axial direction 5 and supports the unlocking movement, very advantageously for the user.
[0080] Figures 7a and 7b show schematic views of a locking mechanism 15 according to a sixth embodiment of the present invention corresponding essentially to the fourth embodiment described in Figures 4a to 4e. The locking mechanism 15 according to the sixth embodiment of the present invention has a first element of the beverage preparation chamber 2 movable along the axial direction, an opening 35 of the wall part 17 and a locking element 36. The The first element of the beverage preparation chamber 6 has a tongue 16 showing a main direction of the extension plane, which, at a first end is connected at a connection point 33 by the sliding element 19. Here the tongue 16 and the connection point 33 are articulated.
[0081] In Figure 7, the locking mechanism 15 is represented in the opening position. The tongue 16 has a sliding surface 38, where the sliding surface 38 is provided for the longitudinal sliding of the tongue 16 along the retaining element 22. With a movement of the sliding element 19 in the axial direction 5 in relation to the retaining element 22, the tongue 16 slides along the retaining element in such a way that a second end of the tongue 16 opposite the first end is moved along the main extension plane, from the direction, into the opening 35.
[0082] Figure 7b shows a locking mechanism 15 in the locking position. Here the second end of the tongue 16 fits into the opening 35, so that the beverage preparation chamber 6 constituted by the first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 is locked. lock 36 is provided here to receive forces, which are transmitted by the tongue 16 to a wall part 17 of the beverage preparation device 1. For example, a force due to a high extraction pressure inside the beverage preparation chamber 6 during the beverage preparation process, it is received by the tongue 16 and transferred through the locking element 36 to the wall part 17.
[0083] Figures 8a and 8b show schematic views of a locking mechanism 15 according to a seventh embodiment of the present invention. Here is shown a first element of the beverage preparation chamber 2, in a side view. In it, the portion capsule 4 rests on a retaining arm 22 ', which is here fixedly connected to the retaining element 22. The first element of the beverage preparation chamber 2 has a safety device 40 here. The device The safety device 40 here comprises, in particular, another retaining arm 41, provided to hold the portion capsule 4 in its position taken for feeding the beverage preparation device 1. Here the safety device 40 is movably installed relative to the retaining element 22, by means of a retaining spring 22 'attached to the retaining element 22. Here, for example, a movement of the safety device 40 along a direction of movement 100 parallel to the axial direction 5 with respect to the retention 22 is indicated by an arrow 100, where the safety device 40 is movable between a first safety position 101 and a second safety position 102. The safety device is e m special partially constructed in the manner of a frame involving the tongue 16. The safety device 40 is specially constructed in such a way that the tongue 16 is pivoted, in and out, in a direction perpendicular to a main plane of extension of the device safety 40 and running perpendicular to the axial direction 5. Figures 8a and 8b show, in each of them, two possible positions of the safety device in relation to the retaining element 22, where in Figure 8b the safety device 40 is placed in another position 102 ', where the separation between the first safety position 101 and the other second safety position 102' is greater along the axial direction 5 than the separation shown in Figure 8 a between the first safety position 101 and the second safety position 102.
[0084] Figures 9a to 9e show schematic views of a locking mechanism 15 according to an eighth embodiment of the present invention. Here, the beverage preparation device 1 comprises a first element of the beverage preparation chamber 2 and a second element of the beverage preparation chamber 3 where here the first element of the beverage preparation chamber 2 is movable along the direction axial 5, between the feed position, where the first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 are spaced apart from each other, and an extraction position, where the first element of the beverage chamber beverage preparation 2 and the second element of the beverage preparation chamber 3 constitute an essentially closed beverage preparation chamber 6, in relation to the second element of the preparation chamber 3. The second element of the preparation chamber 3 is particularly installed a receiving element 23 for receiving a portion capsule 4 in the withdrawing position. The beverage preparation device 1 here presents a drive mechanism 12 for moving the first element of the beverage preparation chamber 2. The beverage preparation device 1 here presents an independent locking mechanism 15 for locking the preparation chamber. of drink 6 in the withdrawing position. Here, the locking mechanism 15 for locking the beverage preparation chamber 6 in the withdrawing position can change from an opening position. The locking mechanism 15 comprises especially at least two tongues 16 installed along a direction perpendicular to the axial direction 5 - here parallel to the drawing plane on opposite sides. Alternatively, the locking mechanism has exactly one, three, four or more tongues 16, where the tongues 16 are each constructed in a similar manner. The locking mechanism is then described by way of example with the help of such latches 16 in particular constructed essentially in such a way that the lugs 16 are connected around a connection point 33 to the first chamber element for preparing drink 2, particularly the second retainer element 22.
[0085] Figure 9a shows the beverage preparation device 1 in the opening position, where the portion capsule 4 is already placed in the beverage preparation device 1. Here the first element of the beverage preparation chamber 2 features a retaining element 22 and a sliding element 19, where the retaining element 22 and the sliding element 19 are elastically connected to each other, particularly through a retaining spring 21 (not shown) and where the retaining element 22 can slide along the axial direction 5 in relation to the sliding element 19. Here the tongue 16 is specially connected at a connection point 33 to the first element of the beverage preparation chamber 2. The tongue 16 is particularly pivotally placed on a pivot axis running through connection point 33. Preferably the pivot axis is perpendicular to the axial direction 5. Preferably the tongue 16 it is connected via the connection point 33 to the retaining element 22. The tongue 16 is in the opening position between the first element of the beverage preparation chamber 2 and the wall part 17 along the axial direction 5, being able to slide together with the first element of the drink preparation chamber 2. The tongue 16 here presents a sliding surface 38, where, especially in a movement of the first element of the drink preparation chamber 2 between the feeding position and the withdrawing position , along the axial direction 5, the surface 38 remains essentially in such a way in active contact with the wall part 17, that the tongue 16 is pivoted inwards. Here, the sliding surface 38 comprises a first sliding side 38 'and a second sliding side 38 ", where in particular the second sliding side 38" has a main extension plane, which in the opening position is essentially parallel with a main direction of extension of the wall part 17, especially parallel to the axial direction 5. In the wall part 17 an opening 35 is installed here, the opening 35 being particularly designed to receive a tongue 16 articulated outwardly in the locking position, so that the beverage preparation chamber 6 is hermetically lockable by means of the tongue 16 in active contact with a locking element 36 in the withdrawing position. Here the locking element 36 is constructed as a wall of the wall part 17 in the region of the opening 35. Here the portion capsule is pushed by the first element of the beverage preparation chamber 2 along the axial direction 5 towards the receiving element 23 of the second element of the beverage preparation chamber 3, until the first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 abut one another and constitute the beverage preparation chamber 6.
[0086] In Figure 9b the first element of the beverage preparation chamber 2 and the second element of the beverage preparation chamber 3 constitute a beverage preparation chamber 6, in which the portion capsule 4 is placed. Here the locking mechanism 15 is shown in the open position. Especially the tongue 16 is placed here in an area of the opening 35 of the wall part 17, when the first element of the beverage preparation chamber 2 abuts the second element of the beverage preparation chamber 3. Here the main extension plane of the second sliding side 38 "is essentially parallel to the axial direction 5 or parallel to the main plane of extension of the wall 17. The tongue 16 is, in this context, so placed in the area of the opening 35 that the tongue 16 can articulate - or be articulated outward - in a direction perpendicular to the axial direction 5 into the opening 35 of the wall part 17. Through a locking movement of the first element of the beverage preparation chamber 3 along the axial direction 5 - that is , for the second element of the beverage preparation chamber 3 - the tongue is then hinged into the opening 35 - that is, hinged inwards.
[0087] In Figure 9c the locking mechanism 15 is represented during the transition from the opening position to the locking position. Here, the tongue 16 is articulated during the locking movement by means of a relative movement of the sliding element 19 in relation to the retaining element 22. A torque is specially produced by means of this relative movement, so that the articulation of the tongue 16 into opening 35. Here the sliding element 19 has a guide surface 39, where the guide surface 39, during relative movement, remains in active contact with the first sliding side 38 'of the tongue 16. Here the tongue 16 it is specially articulated until the second sliding side 38 "of the sliding surface 38 of the tongue 16 hits the locking element 36.
[0088] In Figure 9c the locking mechanism 15 is represented during the transition from the opening position to the locking position. Here, the tongue 16 is articulated during the locking movement by means of a relative movement of the sliding element 19 in relation to the retaining element 22. Especially through this relative movement, torque is produced, so that the articulation of the tongue 16 is activated. into the opening 35. Here the sliding element 19 has a guide surface 39, where the guide surface 39 remains in active contact with the first sliding side 38 'of the tongue 16 during relative movement. Here the tongue 16 is pivoted until the second sliding side 38 "of the sliding surface 38 of the tongue 16 hits the locking element 36.
[0089] In Figure 9d the locking mechanism 15 is represented in the locking position, where the second sliding side touches the locking element 36. In this context, the tongue 16 is constructed in such a way that the tongue 16 is tightened in locking position, between the sliding element 19 and the locking element 36 at the opening 35. The tongue 16 here shows, especially in plane, the shape of a circular sector, where the connection point 33 is placed essentially in the midpoint area 33 of the circular sector and where here a first circular radius 38 'is essentially constituted by means of the first sliding side 38' and a second circular radius 38 "by means of the second sliding side 38". Particularly the first circular radius reaches an angle, contained between the first circular radius 38 'and the second circular radius 38 ", preferably between 45 and 135 degrees, more preferably between 70 and 110 degrees, more preferably approximately 90 degrees. Here, the locking mechanism 15 is simultaneously in the locking position, where the beverage preparation chamber 6 is hermetically closed and locked.
[0090] In Figure 9e, the beverage preparation device 1 is represented in the withdrawing position, where the locking mechanism 15 shows the locking position. Figure 9e is essentially an enlarged view of Figure 9d. In the locking position, the tongue 16 is here so tightly between the sliding element 19 and the locking element 36 that the rotating tongue 16 around the connection point 33 transfers a force produced by the sliding element 19 in a direction perpendicular to the direction axial 5, through the locking element 36, to the wall part 17 of the beverage preparation device 1. In this context it is especially prevented by means of the sliding element 19 which is in active contact by the guide surface 39 with the first side sliding 38 ', an inverted hinge of the tongue 16 out of the opening 35. With an unlocking movement - for example, after finishing a drink preparation process - the sliding element is then 19 moved backwards in relation to the retaining element 22 along the axial direction 5 moving away from the second beverage preparation chamber element 3., so that the tongue 16 is pivoted to exit the opening again 35. Then, the tongue 16 is only dragged by means of a movement of the first element of the beverage preparation chamber 2 to the feeding position, along the axial direction 5 together with the retaining element 22. In this context, the tongue 16 is reached by means of a relative movement of the locking element 36 in relation to the tongue 16 by a torque, so that the tongue 16 is pivoted out of the opening and the locking mechanism 15 has the opening position. REFERENCE LIST 1 Drink preparation device 2 First element of the beverage preparation chamber 3 Second element of the beverage preparation chamber 4 Portion capsule 5 Axial direction 6 Drink preparation chamber 7 Drilling element 8 Drilling tips 9 Lid of the capsule 10 Capsule bottom 11 Exit channel 12 Drive mechanism 13 Alternative lever joint 14 Hand lever 15 16 16 '17 18 19 20 21 22 22' 22 "23 24 25 26 27 28 29 30 31 32 33 33 '34 35 35 '36 36' 37 38 Locking mechanism Tab Other tabs Wall part Inclined plane Sliding element Second inclined plane Retaining spring Retaining element Retaining arm Retaining spring Receiving element First coupling part Second coupling part First lever alternative Second alternative lever First connection axis Second connection axis First wall Second wall Sprocket connection Connection point Other points connecting elements Sealing element Opening Other openings Locking element Other locking elements Piston Sliding surface First sliding side Second sliding surface First guiding side Second guiding side Safety device Another safety arm Direction of movement First safety position Second position of security Other second security positions

权利要求:
Claims (15)
[0001]
1. Device for beverage preparation (1) for extracting a portion capsule (4) with a first element of the beverage preparation chamber (2) and a second element of the beverage preparation chamber (3), where the first (2) and / or the second (3) element of the beverage preparation chamber are movable along an axial direction (5) between a feeding position, where the first (2) and the second (3) chamber element the beverage preparation chamber are separated from each other, to an extraction position, where the first (2) and the second (3) elements of the beverage preparation chamber constitute an essentially closed beverage preparation chamber (6), where the beverage preparation device (1) has a drive mechanism (12) for moving the first (2) and / or second (3) elements of the beverage preparation chamber, characterized in that the beverage preparation device ( 1) present an independent locking mechanism (15) to lock the preparation chamber that of the drink (6) in the extraction position.
[0002]
Device for preparing the drink (1) according to claim 1, characterized in that the drive mechanism (12) has a drive element which, preferably, is constructed as an alternative lever joint (13), toothed rod, shaft and / or articulated gear.
[0003]
Device for preparing the drink (1) according to either of claims 1 or 2, characterized in that the drive mechanism (12) is preferably operable manually by means of a manual lever (14) and / or automatically by means of a drive motor.
[0004]
Device for preparing the drink (1) according to any one of claims 1 to 3, characterized in that the locking mechanism (15) can be changed from an opening position to a locking position to lock the storage chamber. preparation of the drink (6) in the extraction position.
[0005]
Device for preparing the drink (1) according to any one of claims 1 to 4, characterized in that the locking mechanism (15) has a tongue (16), where the tongue (16) is preferably constructed in the form of a sphere or cylinder.
[0006]
Device for preparing the drink (1) according to any one of claims 1 to 5, characterized in that the first element of the drink preparation chamber (2) has a retaining element, at least one retaining spring (21 ) and a sliding element (19), where the retaining element (22) and the sliding element (19) are connected by means of the retaining spring (21) and where the retaining element (22) can slide in relation to the element sliding (19).
[0007]
Device for preparing the drink (1) according to any one of claims 1 to 6, characterized in that the at least one tongue (16) can be slid in the open position between the first element of the drink preparation chamber (2) and the wall part (17) along the axial direction (5).
[0008]
Device for preparing the drink (1) according to any one of claims 1 to 7, characterized in that a first wall (30) has at least one inclined plane (18) in a wall part (17) fixedly connected to the beverage preparation device (1), and at least one second inclined plane (20) on a second wall (31) of the sliding element (19) where the first inclined plane (18), the second inclined plane (20) and the retaining element (22) are in contact with the tongue (16) in the locking position.
[0009]
Device for preparing the drink (1) according to any one of claims 1 to 8, characterized in that the second inclined plane (20) is constructed in such a way that, in a passage of the locking mechanism (15) of the position opening to the locking position by a movement of the tongue (16) in a direction perpendicular to the axial direction (5), an empty space is created by the first inclined plane (18) and the second inclined plane (20).
[0010]
10. Device for preparing the drink (1) according to any one of claims 1 to 9, characterized in that the stop is constructed in such a way that a holding force from the holding element acting in the direction contrary to the axial direction (5 ) of the tongue (16) in the locking position is received by the first inclined plane (18) during the extraction process.
[0011]
Device for preparing the drink (1) according to any one of claims 1 to 4, characterized in that the locking mechanism (15) has a piston (37) and a tongue (16) pivotally connected with the piston (37 ), the tongue being provided to fit into an opening (35) of a wall part (17) and / or for locking with at least one locking element (36).
[0012]
12. Device for preparing the drink (1) according to any one of claims 1 to 11, characterized in that the drive mechanism (12) has a hand lever (14) and an alternative lever joint (13), where the hand lever (14) has a first coupling part (24) and the hinge and alternative lever (13) has a second coupling part (25), the first and second coupling part (25) being connected to each other by means of a sprocket connection (32) in active connection in order to transform a movement of the hand lever (14) into a movement of the alternate lever joint (13).
[0013]
13. Method for operating a beverage preparation device (1), as defined in any one of claims 1 to 12, characterized in that, in a first step of the method, a first (2) and / or a second (3) ) elements of the beverage preparation chamber are moved along an axial direction (5), from a feeding position, where the first (2) and second (3) elements of the beverage preparation chamber are spaced apart from each other , for an extraction position, where the first (2) and second (3) elements of the beverage preparation chamber constitute a beverage preparation chamber (6) essentially closed and in a second step of the method lock the preparation chamber of the drink (6) by means of a locking mechanism (15), changing this from an opening position to a locking position in order to lock the drink preparation chamber (6) in the extraction position, being a tongue ( 16) the locking mechanism (15) pushed in a perp direction endicular to the axial direction (5) and / or the tongue (16) being articulated around an articulation axis perpendicular to the axial direction (5).
[0014]
Method according to claim 13, characterized in that in a third step of the method for unlocking the beverage preparation chamber (6) by means of a locking mechanism (15) the tongue (16) of the locking mechanism (15 ) be pushed in a perpendicular direction, and in a fourth step the first (2) and / or the second element of the beverage preparation chamber (3) are drawn back along the axial direction (5) from the withdrawing position to the position feed.
[0015]
Method according to claim 13, characterized in that the tongue (16) is pushed by a second inclined plane (20) of a sliding element of the first element of the beverage preparation chamber (2) in the axial direction (5) during the first step of the method and the tongue (16) is pushed by the second inclined plane (20), during the second step of the method, in the perpendicular direction into an empty space created by the first inclined plane (18) of the wall of the device beverage preparation (1) and the second inclined plane (20) in that the tongue (16) is pressed, during the extraction process, by a retention force from a retaining element of the first element of the beverage preparation chamber ( 2), in the locking position, in the opposite direction of the axial direction (5) into the empty space between the first inclined plane (18), the second inclined plane (20) and the retaining element (22).

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同族专利:

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公开号 | 公开日

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CA2881014A1|2014-02-27|

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MX2015001933A|2015-06-22|

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BR112015003219A2|2017-10-10|

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CN104812276A|2015-07-29|

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RU2651496C2|2018-04-19|

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EP2884874A1|2015-06-24|

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IL236977D0|2015-03-31|

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CN104812276B|2019-01-18|

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AU2013305155B2|2015-11-26|

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DE102012108653A1|2014-02-20|

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US10045653B2|2018-08-14|

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RU2015109635A|2016-10-10|

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IL236977A|2019-09-26|

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SG11201501032TA|2015-04-29|

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US20150238039A1|2015-08-27|

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WO2014029685A1|2014-02-27|

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EP2884874B1|2019-12-11|

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MX365112B|2019-05-23|

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AU2013305155C1|2017-07-06|

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AU2013305155A1|2015-03-12|

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CA2881014C|2017-09-26|

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法律状态:
2018-11-21| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|

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2019-12-10| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|

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2020-09-15| B09A| Decision: intention to grant|

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2020-12-15| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/08/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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DE102012107615.4|2012-08-20|

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DE102012107615|2012-08-20|

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DE102012108653.2A|DE102012108653A1|2012-08-20|2012-09-14|Brewing device and method for operating a brewing device|

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DE102012108653.2|2012-09-14|

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PCT/EP2013/067069|WO2014029685A1|2012-08-20|2013-08-15|Brewing apparatus and method for operating a brewing apparatus|

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