KR20070019971A - Cabinet design of filter holder for pressurized espresso machines - Google Patents

Cabinet design of filter holder for pressurized espresso machines Download PDF

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Publication number
KR20070019971A
KR20070019971A KR1020067014481A KR20067014481A KR20070019971A KR 20070019971 A KR20070019971 A KR 20070019971A KR 1020067014481 A KR1020067014481 A KR 1020067014481A KR 20067014481 A KR20067014481 A KR 20067014481A KR 20070019971 A KR20070019971 A KR 20070019971A
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KR
South Korea
Prior art keywords
assembly
filter holder
filter
brew head
connecting plate
Prior art date
Application number
KR1020067014481A
Other languages
Korean (ko)
Inventor
유엔 친 첸 앤드류
팻 폰 썸
Original Assignee
일렉트리컬 앤드 일렉트로닉스 리미티드
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Priority to US10/745,440 priority Critical
Priority to EP03029686.7 priority
Priority to US10/745,440 priority patent/US7237475B2/en
Priority to EP20030029686 priority patent/EP1547498B1/en
Application filed by 일렉트리컬 앤드 일렉트로닉스 리미티드 filed Critical 일렉트리컬 앤드 일렉트로닉스 리미티드
Publication of KR20070019971A publication Critical patent/KR20070019971A/en

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • A47J31/3676Cartridges being employed
    • A47J31/368Permeable cartridges being employed
    • A47J31/3685Brewing heads therefor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/06Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0626Filters or strainers for coffee or tea makers ; Holders therefor with means for securing the filter holder to the beverage container
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/06Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0663Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines to be used with loose coffee
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/06Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0684Sealing means for sealing the filter holder to the brewing head
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/4403Constructional details
    • A47J31/4407Lids, covers or knobs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/4403Constructional details
    • A47J31/446Filter holding means; Attachment of filters to beverage-making apparatus
    • A47J31/4467Filter holding means; Attachment of filters to beverage-making apparatus by means of linear guides, e.g. drawer-type engagement

Abstract

The present invention provides a brewing head unit of a coffee machine for easily inserting a filter 15 and for locking the filter and filter holder 17 to the brewing head of a coffee machine, so as to form a water-pressure hermetic connection. do. The filter and filter holder may be visually inserted into the coffee apparatus of the present invention. The present invention also provides a brewing head of a coffee machine by sliding the filter holder into the brewing head unit from the front or side, or by pivoting the filter holder movably attached to the brewing head assembly or unit on the pivot, with the coffee machine. Provided is a cabinet filter holder that can be inserted or placed in an assembly or unit. The present invention also provides a brew head assembly or unit wherein a locking mechanism for placing or directing the filter holder and for securing the filter holder to the brew head assembly or unit is driven by a motor. The present invention provides a cabinet filter design in which the boiler 19 or heating system is separated from the brew head assembly or unit.

Description

CABINET DESIGN OF FILTER HOLDER FOR PRESSURIZED ESPRESSO MACHINES}

The present invention claims the priority of US patent application Ser. No. 10 / 745.440, filed Dec. 23, 2003 and European patent application No. 03029686.7, filed Dec. 23, 2003, the contents of which are incorporated herein by reference. It became.

Various documents are mentioned in the present invention. In order to more fully describe the state of the art to which the present invention pertains, the contents of this document are incorporated by reference.

The present invention relates to the design of the brewing head unit of the coffee machine, including locking means for detachable attachment of the cabinet or drawer type filter holder to the brewing head unit of the coffee machine.

The locking mechanisms used in existing pump espresso or steam espresso devices are not user friendly. It is very cumbersome for the user to simply place or attach the filter holder unit onto the locking mechanism of the brew head unit of the coffee machine. In general, filter holder units commonly used in espresso devices have a brew tray with radially protruding handles and are inserted into pot-shaped filter inserts (see, for example, US Pat. No. 5,913.962). Reference). In this design, the user places coffee powder on a stainless steel filter and then places or inserts the filter in the filter holder. The user then finds a fitting slot on the brew head unit, attaches the filter unit to the brew head unit, and rotates the filter unit to lock the filter unit to the brew head unit. Frequently, the user spends a lot of time placing the locking position on the brew head unit.

In addition, traditional pump espresso or steam espresso devices employ a boiler or thermal block heating system, which is arranged on top of the brew head or shower or locking mechanism. In this design, hot water from the heating system flows directly to the filter.

A disadvantage associated with the installation of a boiler or heat block heating system on the brew head unit is that the design is limited for the placement of the locking mechanism. The limitations or disadvantages associated with the placement of the heating system relative to the top of the brew head unit are

1. The weight of the heating system at the top increases the force required to open the brew head, which is not user friendly.

2. Increases restrictions on the design of the locking mechanism when the heating system is fixed on top of the brew head unit. In the present invention, the filter holder (movable part) is disposed at the bottom or separated from the brew head assembly or unit. In addition, in the present invention, since the movable part of the locking assembly is at the top and the fixing part is disposed at the bottom, the user can visually slide or pivot the filter holder unit into the brew head unit.

The present invention relates to a very simple mechanism for locking a filter holder with a pivotable upper brew head and a lower brew head, wherein the head portion is fixedly attached to the brew head assembly or unit. The lower brew head portion includes a housing that can accommodate various types of filter holders and / or capsules.

The invention also relates to the design of the brewing head unit of a coffee machine comprising a cabinet filter holder and a boiler or heating system not arranged on top of the brewing head unit. According to another feature of the invention, the boiler or heating system as described above is separated from the brew head unit. According to another feature of the invention, the boiler or heating system may be arranged in parallel with the brew head locking mechanism.

The boiler and brew head of the present invention are operably connected by Teflon or other suitable hose. The main advantage of having a boiler or heating system separate from the brewing heating unit is that the brew head unit does not need to carry the weight of the boiler; The design of the locking mechanism can be much more flexible, diverse and / or dynamic.

European Patent Application No. 97118294.4, filed on October 21, 1997 by Ezeilee S. R. L. et al., Employs a boiler placed on top of the coffee pan by inserting the coffee pan along the sliding guide and rotating the coffee pan. The apparatus which a coffee pan is attached to is described. However, the apparatus of the European patent application 97118294.4 requires a boiler that must be placed on top of the brew head. The European patent application 97118294.4 describes two steps of placing or inserting a coffee pan and locking it. In addition, European patent application 97118294.4 describes a coffee pan which slides into an annular body and a handle to lock the coffee pan in a boiler, the handle rotating with the annular body. The present invention only requires a removable cabinet filter holder disposed in the coffee machine. The handle rotates downward to lock the brew head to form a watertight and pressure seal. Also, in the present invention, the boiler is not arranged on top of the brew head.

Another object of the present invention is to eliminate all the confusion associated with the insertion of the filter holder into the brew head unit from the user. The present invention relates to a new design that can be used to easily insert a cabinet design and act as a filter holder. The user performs only a very simple operation, that is, visually inserting the filter into the filter holder. The user no longer has to find the locking position like a blind person. This cabinet concept can be applied to any type of compressed espresso device. There are at least five ways to place a cabinet in a device, which is performed as follows.

1. Slide the cabinet filter holder into the brew head unit from the front.

2. Slide the cabinet filter holder from the side to the brew head unit.

3. Slide the cabinet filter holder into the brew head unit from the rear.

4. Swing the cabinet filter holder around the pivot that is secured to the brew head unit.

5. Slide the cabinet filter holder from the top into the brew head unit.

According to another feature of the invention, the locking mechanism and / or without any manual intervention is made more convenient for the user by not requiring much effort in all operations of the cabinet filter holder unit and opening and closing of the brew head assembly or unit. Or a motor is used to actuate the cabinet filter holder. According to another feature of the invention, the operation of the cabinet and / or the locking mechanism is provided by a motor operated by a remote control.

Table 1 below summarizes the main differences between the filter holder mechanism according to the existing art and the cabinet filter holder claimed in the present invention.

Table 1: Filter holder mechanism according to existing technology and claimed in the present invention Cabinet  Key differences between filter holders

Figure 112006051260206-PCT00001

US Pat. No. 5.649.472 to Pond discloses a system for extracting a substrate contained in a sachet; This system includes a lower member including a sachet housing, a water supply member and a locking lever. The lower member and the water supply member are closed or locked by engaging the hook of the arm of the locking lever on the corresponding rod. A primary object of the above U.S. Pat.No.5.649.472 is to provide a device and method for extracting a substrate to prepare a beverage embedded in a sealed flexible sachet without opening the sachet before placing the sachet into the sachet holder. Doing. The present invention may use or brew coffee powder contained in sachets or sachet-free coffee powder having a form of setting. Although the lower member of US Pat. No. 5,854,472 is fixed, the present invention has an upper member that rotates to lock the assembly, and the upper member moves upward so that the lower member, i.e., the filter holder assembly, can be retracted. Can be.

US Patent No. 6.490.966 to Marriller et al. Discloses an apparatus for extracting contents in a capsule, consisting of two independent identical clamping elements; Each clamping element comprises a half of the housing for the capsule and a lever system for simultaneously moving the two clampings between the open and closed positions. The device of US Pat. No. 6,490.966 requires a clamping member that places the capsule in a vertical position and creates a larger clamp force to form a watertight seal. Alternatively, the brew head of the present invention may use a coffee pod or capsule placed in a vertical position. The brew head of the present invention does not require two clamping members. To form the pressure seal and the watertight seal, the movable top member is lowered against the removable stationary filter holder assembly.

US Patent No. 6.698.332 to Colleb discloses a device for extracting a substrate for preparing a drink; This device comprises a stationary member and a second member movable relative to the first member about an axis of rotation lying rearward with respect to the two members. The front end of the two members includes a cavity for the substrate to be extracted, and the device includes a system for opening and closing the two members. However, the bottom of the device disclosed in US Pat. No. 6.698.332 is fixed and cannot be removed for cleaning.

European Patent Application No. 93101764, filed February 5, 1993 by Domel S./Age et al, discloses a drawer device comprising a container / filter holder. The container / filter holder may be lifted up in a non-rotating manner by a handle, with respect to the facing gasket fixed on the drawer device to form a watertight seal. The drawer of the European patent application 93101764 is locked by rotating the control body. The movement of the container-filter holder is vertical, but this vertical movement requires the rotation of the control body. In contrast, the brew head of the present invention moves only the upper member, ie the rotating part for assembly locking. While the lower member, ie the support base of the brew head of the invention, is fixed, the filter holder assembly comprising the filter can be completely removed for cleaning. In addition, the device of the European patent application 93101764 is designed only for coffee bags. The present invention is designed to be used in coffee flour and coffee bags.

US Pat. No. 1.750.068 to Torini discloses a device comprising a circular filter carrier that slides in and out of a window. The filter carrier is locked by rotating the collector under the filter carrier to press the filter carrier upward against the top of the brew head. The apparatus of US Pat. No. 1.750.068 has the design of a traditional espresso apparatus. The filter carrier slides in and out of the window but requires a blind spin on the collector to lock the filter carrier.

US Pat. No. 811.979 to Hearts discloses a device for preparing coffee, which includes a pressure cooker for pressurizing heated water into a coffee strainer by stream pressure. U. S. Patent No. 811.979 prepares coffee using another method. U. S. 811.979 uses a pressure cooker instead of a boiler system. In addition, US Pat. No. 811.979 uses a filter instead of a filter holder. The pressure cooker requires a stove or heater to heat the water. The coffee machine of the present invention uses electricity to boil water.

The above objects and advantages of the present invention are merely exemplary objects and advantages that can be achieved by the present invention, and are not intended to comprehensively include or limit the advantages that can be realized. Accordingly, such advantages and objects of the present invention may be apparent from the description or may be recognized by the practice of the present invention, which may be adopted or modified in view of modifications apparent to those skilled in the art. . Accordingly, the present invention consists of the novel methods, apparatuses, combinations and improvements shown and described herein.

In accordance with the above advantages and objects of the present invention and other purposes, a brief summary of the present invention is provided. In the following summary, some simplifications and omissions have been made to introduce and emphasize some features of the invention, but do not limit its scope. In the following a description will be given of exemplary preferred embodiments suitable for those skilled in the art to practice the invention and to use the concepts.

According to a feature of the invention, the design and use of a cabinet filter holder for a brew head assembly or unit of a coffee machine is described.

According to another feature of the invention, the boiler or heating system is separated from the brew head assembly or head unit.

According to another feature of the invention, the filter holder assembly or unit slides the filter holder unit or assembly from the front or side, and pivoting the filter holder assembly or unit in and out of the brew head unit on a pivot. And by inserting the filter holder assembly or unit vertically from the top, it can be inserted into the brew head assembly or the head unit.

According to another feature of the invention, a design of a locking mechanism for locking a cabinet filter holder assembly or unit in a brew head assembly or unit is described.

According to another feature of the invention the design of the locking mechanism will be described; Such locking mechanism can lock the filter holder assembly or unit in the brew head assembly and can withstand pressures of at least 5 bar.

The design of the locking mechanism will be described according to the features of the invention; Such locking mechanism can lock the filter holder assembly or unit in the brew head assembly and can withstand pressures of at least 10 bar.

According to another feature of the invention the design of the locking mechanism will be described; Such locking mechanism can lock the filter holder assembly or unit in the brew head assembly and can withstand pressures of at least 12 bar.

According to another feature of the invention the design of the locking mechanism will be described; Such locking mechanism can lock the filter holder assembly or unit in the brew head assembly and can withstand pressures of at least 20 bar.

According to a feature of the invention, the locking mechanism of the invention is driven by a motor and / or controlled using a remote control.

Although the invention has been described with reference to the preferred embodiments, the invention may be other different embodiments, the details of which may be variations in accordance with various features. As will be appreciated by those skilled in the art, modifications and variations may be made which fall within the spirit and scope of the invention. Accordingly, the foregoing description and drawings are by way of example only, and the invention is not limited thereto, but only by the claims.

The present invention relates to a sliding cabinet filter holder and a 2 to 15 bar locking mechanism.

The accompanying drawings schematically illustrate non-limiting embodiments of the invention.

One embodiment of the present invention, referred to below as Structure I, is shown in FIGS.

1 is a cross-sectional view of a brew head assembly or unit having structure I in the closed position; A is a plan view, B is a side view.

2 is a cross-sectional view of the brew head assembly or unit having structure I in the open position.

Figure 3 includes a rotating assembly for locking the assembly, a sealing assembly, a sliding filter holder assembly, a separate boiler, and a hose for branching pressurized and / or heated water / steam from the boiler to the coffee chamber. An enlarged view of a brew head assembly or unit having a.

4 is a perspective view of a brew head assembly or unit having structure I in the open position;

5 is a perspective view of a brew head assembly or unit having structure I in the closed position;

One embodiment of the invention, referred to below as Structure II, is shown in FIGS.

6 is a cross sectional view of the brew head assembly or unit having structure II in the closed position; A is a plan view, B is a side view.

Fig. 7 is a sectional view of the brew head assembly or unit having structure II in the open position, A is a plan view and B is a side view.

FIG. 8 includes a rotating assembly for locking the assembly, a sealing assembly, a sliding filter holder assembly, a separate boiler, and a hose for branching pressurized and / or heated water / steam from the boiler to the coffee chamber. An enlarged view of a brew head assembly or unit having a.

9 is a perspective view of a brew head assembly or unit having structure II in the open position.

10 is a perspective view of a brew head assembly or unit having structure II in the closed position.

One embodiment of the present invention, referred to below as Structure III, is shown in Figures 11-16.

Figure 11 is a cross sectional view of the brew head assembly or unit having structure III in the open position, A is a plan view and B is a side view.

12 is a cross sectional view of the brew head assembly or unit having structure III in the closed position; A is a plan view, B is a side view.

Figure 13 includes a rotating assembly for locking the assembly, a sealing assembly, a sliding filter holder assembly, a separate boiler, and a hose for branching pressurized and / or heated water / steam from the boiler to the coffee chamber. An enlarged view of a brew head assembly or unit having a.

14 is a perspective view of a brew head assembly or unit having structure III in the open position, showing a state in which the filter holder slides into the brew head assembly or unit having the structure.

Figure 15 is a perspective view of the brew head assembly or unit having structure III in the closed position.

Fig. 16 is a cross sectional view of the brew head assembly or unit having structure III in the closed position, showing a stopper on the rotating pole to stop the movable rod on the mutually locking position, where A is a plan view and B is a side view.

It is an object of the present invention to provide a cabinet design of a filter holder. The present invention provides a boiler or heating system and a locking mechanism separate from the brew head unit of the coffee machine.

The present invention provides a locking mechanism superior to the prior art, in which the filter holder unit does not need to rotate to lock. The present invention requires only sliding in the filter holder and only a downward rotation of the handle. The present invention is easier and more effective to operate than the conventional rotary locking mechanism.

I. Assembly with Structure I For locking reel

The present invention relates to a brewing head assembly or unit of a coffee maker, comprising a rotating assembly for locking the assembly, a sealing assembly, and a filter holder assembly or unit, operatively connected to withstand a pressure of at least 5 bar (Figs. 5). In one embodiment, the assembly locking part, the sealing assembly and the filter holder assembly or unit are operably connected and can withstand a pressure of at least 10 bar. In another embodiment, the assembly locking rotator, sealing assembly, filter holder assembly or unit are operably connected and can withstand a pressure of at least 15 bar. In another embodiment, the assembly locking rotator, sealing assembly and filter holder assembly or unit are operably connected and capable of withstanding a pressure of at least 20 bar.

The present invention comprises a handle 12 movably connected to the rotating plate 11, the rotating rod 10 and the upper frame 1 by a fixing pin 13 in the position indicated by the arrow (D) in FIG. It provides a rotation for locking the assembly. The rear connecting plate 8 is fixed to the upper frame at one end thereof at the position indicated by arrows B and D in FIG. 4, and at the position shown by arrow A in FIG. 14) is movably connected. The front connecting plate 9 is movably connected at one end thereof to the rotating plate at the position shown by arrow C in FIG. 4, and at the position shown by arrow E in FIG. 14). In one embodiment, FIG. 3 shows a rotating assembly for locking the assembly.

The present invention provides a sealing assembly comprising a sealing ring, which is inserted between the water connecting plate 2 and the water sparger 6. A water outlet valve 3 comprising a water outlet spring 5 is inserted through the center of the water spreader 6, the sealing ring 4 and the water connecting plate 2. The water outlet valve 3, the water outlet spring 5, the sealing ring 4, and the water sprayer 7 are fixedly attached to the water connecting plate 2 by the water outlet valve holder 7. do. The water connecting plate is fixedly attached to the frame. The water connecting plate 2 has an opening connecting the water connecting plate 2 to the hose 20 for dispensing heated and / or compressed fluid from the boiler 19 through the sealing assembly to the brewing chamber. Include. In one embodiment, a sealing assembly is shown in FIG.

The water outlet valve holder 7 is a nut; This nut supports the water sprinkler 6, the water outlet spring 5, the sealing ring 4 and the water outlet valve 3 on the water connecting plate 2.

The present invention provides a filter holder assembly / unit comprising a filter 15, a filter handle 16, a filter holder 17, and a coffee chamber 18. In one embodiment, a filter holder assembly is shown in FIG.

An embodiment of the present invention, that is, the operation of the locking mechanism having the structure I, is executed as follows.

In order to prevent water leakage, a silicone rubber seal ring is used on the brew head to form a watertight and / or pressure connection between the water connecting plate 2 and the filter 15. The silicone rubber sealing ring 4 is fixed between the water connecting plate 2 and the water sparger 5 by means of a water outlet valve holder 7.

In order to unlock the cabinet filter holder 17, the handle 12 rotates upwards in the direction of the arrow X, and the rotary rod 10 and the rotary plate 11 which are operably connected are rearward from the upright position. It is moved to the inclined position. The opening angle of the brew head is about 45 ° to 55 °. After opening the brew head assembly or unit, the filter holder slides into the support base 14 in the direction of the arrow Y or is pulled into the support base 14.

To close and / or lock the brew head assembly or unit, the handle is moved downwards. The rotary pin, the rotary plate 11 and the front connecting plate 9 move upright, and the brew head is locked. Once locked, the silicone rubber seal ring 4 rests on the filter 15. The water connecting plate 2 in the locked position will deform the sealing ring 4 on the filter 15. This deformation forms a seal, preventing water from leaking out of the flange of the filter 15.

The upright position of the rotating plate 11, the rotating pin and the front connecting plate 9 can withstand the pressure of at least 20 bar exerted on the filter 15, and therefore does not leak even when a pressure of at least 20 bar is applied. In the closed position, the coffee machine begins to brew coffee.

Figure 3 shows an enlarged view of one feature of the invention, structure I, in order to show the rotating parts for the assembly locking and the parts of the sealing assembly and the filter holder assembly.

As shown in Figure 3, the metal handle 12 rotates upward to unlock the brew head assembly or unit. The handle is connected to rotate the plate 11, the rotating rod 10, the front connecting plate 9 and the rear connecting plate 8 by the fixing pin 13. All these parts are moved until the front connecting plate is in the horizontal position. The upper frame 1 will have an inclination angle of about 45 ° to 55 ° with respect to the support base 14 when the brew head unit is in the open position.

The sealing assembly comprises an upper frame 1, a water connecting plate 2, a sealing ring 4, a water outlet valve 3, a water outlet spring 5, a water sprinkler 6 and a water outlet And a valve holder 7. The water outlet valve holder (7) as a nut; This nut supports the water sprinkler 6, the water outlet spring 5, the sealing ring 4 and the water outlet valve 3 on the water connecting plate 2. Thereafter, the sealing assembly is fixed to the upper frame 1 by at least one screw. The water outlet valve 3 and the water outlet spring 5 are used to prevent water or fluid from flowing from the water spreader to the coffee under low pressure during water heating. The hot water is released when the pump pressure is greater than the force exerted by the water outlet spring, ie at a pressure of at least 5 bar. When hot water is in contact with the coffee, the pump pressure is increased to at least 10 bar to 20 bar. After that, the coffee will flow into the cup.

To brew coffee, the filter holder assembly or unit needs to slide into the brew head unit. The filter holder assembly / unit consists of a metal filter 15, a filter handle 16, a filter holder 17, and a coffee chamber 18. The coffee is placed in the coffee filter, and then the filter is inserted into the filter holder. Coffee is collected in the coffee chamber 18 and flows into the cup.

II. Assembly with Structure II For locking reel

The present invention provides a brewing head assembly or unit (see FIGS. 6-10) of a coffee maker comprising a rotating assembly for locking the assembly and a sealing assembly and a filter holder assembly operatively connected to withstand pressures of at least 5 bar. . In one embodiment, the rotating assembly for locking the assembly, the sealing assembly and the filter holder assembly are operably connected and capable of withstanding a pressure of at least 10 bar. In another embodiment, the assembly locking rotator, sealing assembly and filter holder assembly are operably connected and capable of withstanding pressure of at least 15 bar. In yet another embodiment, the assembly locking rotator, sealing assembly and filter holder assembly are operably connected and can withstand a pressure of at least 20 bar.

The present invention provides a rotating part for assembly locking; This rotating part includes a handle, an upper frame, a connecting plate, a hinge pin, a cam pin, and a support base. In one embodiment, FIG. 8 shows a rotating part for assembly locking.

The present invention provides a sealing assembly; This sealing assembly includes a sealing ring, a water connecting plate, a water outlet valve, a water outlet spring, a water sparger, and a water outlet valve holder. In one embodiment, a sealing assembly is shown in FIG.

The present invention provides a filter holder assembly or unit; Such a filter holder assembly includes a filter, a filter handle, a filter holder and a coffee chamber. In one embodiment, FIG. 8 shows a filter holder assembly or unit.

An embodiment of the present invention, that is, the operation of the locking mechanism having the structure II, is executed as follows.

In order to prevent water leakage from the brew head, a silicone rubber sealing ring 7 is used on the brew head unit. The silicone rubber sealing ring 7 is fixed between the water connecting plate 4 and the water sparger 9 by means of a water outlet valve holder 8 (see FIG. 8).

To operate the assembly locking rotator, the handle 10 rotates upwards in the direction of the arrow W until it is at 90 ° to the horizontal plane (see Fig. 9). The cam pin 11 is connected to the handle 10 in the position shown by arrow H in FIG. As the cam pin 11 rotates, the connecting plate 3 rises in the direction of the arrow U. The connecting plate 3 is connected to the upper frame 1 by two hinge plates 2 on both sides at the positions shown by arrows I and K. The clamping force on the filter holder 16 is released by raising the connecting plate 3 by the cam pin 11 and the handle 10. Once the brew head assembly or unit is in the open position, the user can insert or slide the filter holder assembly or unit in the direction of the arrow (V) or pull the filter holder assembly or unit (see Figure 8). .

To brew coffee, the filter holder assembly or unit is inserted into a cabinet filter holder housing which is disposed on the support base 12 of the brew head assembly or unit. Then, the handle 10 rotates downward to the locked position or the closed position (see Fig. 10). The cam pin 11 will press the connecting plate 3 downward. The shape of the connecting plate 3 and the cam pin 11 will produce a clamp force that can support the pressure and / or watertight seal against the filter holder assembly at a pressure of at least 20 bar. The filter holder is sealed by the clamp hin and the sealing ring 7 produced by the cam pin 11 and the connecting plate 3.

FIG. 8 is an enlarged view of a brew head assembly or unit having structure II, showing parts of the assembly locking rotator and the seal assembly and the filter holder assembly.

As shown in Figure 8, the metal handle 10 rotates upward to unlock the brew head assembly or unit. The handle is connected to the cam pin 11 and the connecting plate 3 by screws. As the handle moves, the cam pin 11 also rotates. The irregular shape of the cam pin raises the connecting plate 3 because the connecting plate 3 is connected to the upper frame 1 on both sides by a hinge pin 2. In addition, the connecting plate raises the upper frame 1 finely. The inclination angle between the upper frame 1 and the support base 12 is about 10 degrees. This angle is sufficient for the filter holder assembly or unit to slide in and out of the brew head unit. After the filter holder assembly or unit is inserted into the brew head unit, the handle can be rotated downward to lock the filter holder assembly or unit.

The sealing assembly of the brew head assembly or unit having the structure II comprises an upper frame 1, a water connecting plate 4, a sealing ring 7, a water outlet valve 5, a water outlet spring 6, And a water sprinkler 9 and a water outlet valve holder 8. The water outlet valve holder 8 is a nut; This nut supports the water sprinkler 9, the water outlet spring 6, the sealing ring 7 and the water outlet valve 5 on the water connecting plate 4. The sealing assembly is fixed to the upper frame 1 by one or more screws. The water outlet valve 5 and the outlet outlet spring 6 are used to prevent water from leaking from the water sparger 9 under low pressure during water heating. The hot water is released when the pump pressure is greater than the force exerted by the water outlet spring 6, ie at a pressure of 5 bar. When hot water is in contact with the coffee, the pump pressure is increased to at least 10 bar to 20 bar. After that, the coffee will flow into the cup.

To brew coffee, the user needs to slide the filter holder assembly or unit into the brew head unit. The filter holder assembly or unit consists of a filter 15, a filter handle 14, a filter holder 16, and a coffee chamber 13. Coffee is placed on the filter 15, and then the filter 15 is inserted into the filter holder 16. The coffee chamber 13 collects and releases brewed coffee.

According to another feature of the invention, the motor is operably connected to the rotating plate, the rotating rod, the connecting plate or the cam pin of structure I, and the connecting plate of structure II. Those skilled in the art will use a motor that repeats the function performed by the handle to rotate the rotating pin or rotating rod of the cam pin of structure II or the front connecting plate of structure I to lock or unlock the brew head assembly. Since the gear set is connected to the cabinet filter holder unit and the motor, the movement of the cabinet filter holder is made automatically without manual interference. In one embodiment, the button is pressed to open the rotating portion and the locking assembly so that the user can place a filter with coffee in the cabinet holder assembly or unit. The user then presses a button to operate the motor, thereby sliding the cabinet to close the lock and / or brew head unit. According to another feature of the invention, the motor may be operated by remote control.

III. Assembly with Structure III For locking reel

The present invention relates to a brew head assembly or unit of a coffee maker comprising a rotating assembly for locking the assembly and a sealing assembly and a filter holder assembly or unit, operatively connected to withstand a pressure of at least 5 bar (see FIGS. 11-16). to provide. In one embodiment, the above-described assembly locking rotator, sealing assembly and filter holder assembly or unit are operably connected to withstand pressure of at least 10 bar. In another embodiment, the assembly locking rotator, sealing assembly and filter holder assembly or unit are operably connected to withstand pressure of at least 15 bar. In another embodiment, the assembly locking rotator, sealing assembly and filter holder assembly or unit are operably connected to withstand pressure of at least 20 bar.

The present invention provides a rotating part for assembly locking; This rotating part has a handle 13, a rotating pole 20 having a protruding member 20A, a movable rod 22, a support base 17 having two protruding members 17A, and a copper shaft 23. ), A slider plate 1 having an upper protrusion member 1A and a lower protrusion member 1B, a slider plate holder 15, a shower head 14, and four brushing shorts 3 ). The handle 13 and the rotating pole 20 are movably connected to the protruding member 17A of the support base 17 at the position shown by arrow A in FIG. One end of the movable rod 22 is movably connected to the protruding member 20A of the rotating pole 20 by the copper shaft 23 in the position shown by the arrow B in Fig. 14; The other end of the movable rod 22 is movably connected to the upper protruding member 1A of the slider plate 1 at the position shown by arrow C in FIG. The slider plate 1 is guided by a slider plate holder 15 having four brush shots 3, which brush shots are provided with the upper and lower protrusions 1A at the positions shown by arrows D in FIG. 14. , 1B) are movably connected to each other. The slider plate holder 15 is attached to the support base 17. The shower head 4 is attached to the bottom of the slider plate 1. In one embodiment, FIG. 13 shows a rotating part for locking the assembly.

The present invention provides a sealing assembly comprising a sealing ring 24 when installed on a shower head 4. The water sprayer 6 is fixedly attached to the shower head 4 by the sprayer holder 6. In one embodiment, the seal ring is made of silicone rubber or elastomer or other suitable material that can provide a watertight and / or pressure seal under pressure and / or elevated temperatures. Those skilled in the art will readily be able to determine suitable materials that can be used to make the sealing ring. In yet another embodiment, the seal assembly is shown in FIG.

The present invention provides a filter holder assembly or unit comprising a filter (7), a filter basket (8) and a filter handle (10). In one embodiment, the filter is made of metal or plastic or other suitable material. One skilled in the art will readily be able to determine the appropriate material that can be used to make the filter. In yet another embodiment, the filter holder assembly or unit is shown in FIG.

An embodiment of the present invention, that is, the operation of the locking mechanism having the structure III, is executed as follows.

To prevent water leakage from the brew head, a silicone rubber seal ring 24 is used on the brew head assembly or unit. The silicone rubber seal ring 24 is fixed to the shower head 4 (see Fig. 13).

To operate the assembly locking rotator, the handle 13 rotates upwards in the direction of the arrow E as shown in FIG. 14 until the metal handle 13 is about 100 ° with the horizontal plane (FIG. 14). Rotating pole 20 is movably connected to each side of handle 13 in the position shown by arrow A in FIG. As the rotary pole 20 rotates, the movable rod 22 pivots in the direction of the arrow F in FIG. The slider plate 1 is moved upward by the upward movement of the movable rod 22 as shown by the arrow G of FIG. The shower head 4 attached to the bottom of the slider plate 1 moves upward with the slider plate 1 (see Fig. 14). By raising the shower head 4 by the rotating pole 20 and the handle 13, the clamp force exerted on the filter holder 11 is released. Once the brew head assembly or unit is in the open position, the user can insert or slide the cabinet filter holder assembly or unit in the direction of the arrow (H), or pull the filter holder assembly or unit as shown in FIG. (See FIG. 14).

To brew coffee, the cabinet filter holder 11 is inserted into the support base 17 of the filter holder assembly or unit. The cabinet filter holder 11 is supported by a filter holder support plate 18 attached to the bottom of the support base 17. The cabinet filter holder 11 may also be supported by guides 11A disposed on both sides of the cabinet filter holder 11 and corresponding recesses or protrusions disposed on the support base 17. The handle 13 then rotates downward in the direction of the arrow K shown in FIG. 14 until the handle is at 0 ° or parallel to the horizontal plane in the locked or closed position. The rotary pole 20 has a stopper for stopping the movable rod 22 in the set position, for example to stop or hold the handle 13 at about 90 ° with respect to the horizontal plane (Figs. 15 and 16). . Downward movement of the handle 13 pivots or moves the rotary pole 20 and the movable rod 22 downward, and also moves the slider plate and sealing assembly or unit downward or into the filter basket 8. (See Figure 15). Once the sealing assembly or unit has been lowered into the filter basket 8, the compressive force exerted on the sealing ring 24 by the shower head 4 through the rotating part to lock the assembly on the filter basket 8 is a filter. A watertight and / or pressure seal will be formed between the basket 8 and the shower head 4. In one embodiment, the sealing ring can seal at a pressure of at least 20 bar. During the brew cycle, hot water and / or steam is released from the boiler 19 and / or heating system when the pump is operated. Steam and / or hot water is distributed to the area between the shower head 4 and the filter basket 8 by a suitable tube. The pressure from the pump will move the shower head upward in the direction of arrow L as shown in FIG. 16B and pivot the movable rod in the direction of arrow M as shown in FIG. 16B. As shown in Fig. 16B, the stopper 30 on the rotating pole prevents the movable rod 22 from rotating fully upward. The stopper 30 ensures that the mutual locking force on the shower head 4 is maintained, so that the sealing assembly or unit is not unlocked.

To brew coffee, the user needs to slide the filter holder assembly or unit into the brew head unit. The filter holder assembly or unit consists of a filter 7, a filter basket 8, a filter handle 10, a foam system 9 and a cabinet filter holder 11. The coffee is placed in the filter basket 8 and then the filter is inserted into the filter holder 11. The filter holder collects and releases brewed coffee.

According to another feature of the invention, the motor is operably connected to the rotary pole 20 of the brew head of structure III. Those skilled in the art will use a motor that repeats the function performed by the handle to rotate the rotating pole 20 of the brew head of structure III or to lock or unlock the brew head assembly. Since the gear set is connected to the cabinet filter holder assembly or the unit and the motor, the movement of the cabinet filter holder assembly or the unit is made automatically without manual interference. In one embodiment, the button is pressed to open the assembly locking assembly, allowing the user to place the filter 7 with coffee in the cabinet holder assembly or unit. The user then closes the lock and / or brew head unit by operating the motor used to push the button and slide it into the cabinet filter holder. According to another feature of the invention, the motor may be operated by remote control.

Claims (36)

  1. In the brewing head of the coffee machine,
    A rotating part for assembly locking comprising a handle having two ends,
    A filter holder assembly comprising a filter, a filter handle, a filter holder and a coffee chamber;
    A sealing assembly comprising a sealing ring inserted between the water connecting plate and the water spreader,
    Each end of the handle is movably connected to one end of the upper frame, the rotating plate and the rotating rod by a fixing pin; One member of the rear connecting plate is fixedly attached to each side of the upper frame, and the other member of the rear connecting plate is movably connected to the supporting plate; An upper end of the front connecting plate is movably connected to the other end of the rotating plate, and a lower end of the front connecting plate is movably connected to the supporting plate; The filter comprises a flange,
    A water outlet valve, a water outlet spring and the sealing ring and the water spreader are fixedly attached to the water connecting plate by a water outlet valve holder; The water connecting plate is fixedly attached to the upper frame; The water connecting plate includes an opening connecting the water connecting plate to the hose for dispensing the heated and / or compressed fluid from the boiler,
    In the closed position, the handle rotates downward to move the front connecting plate to the vertical position; The sealing ring forms a pressure and / or watertight seal with the flange of the filter; Brewing head, characterized in that the rotating portion for locking the assembly, the filter holder assembly and the sealing assembly are operably connected to withstand pressure of at least 20 bar.
  2. The brew head of claim 1, wherein the filter holder assembly comprises a flange to provide linear sliding motion of the cabinet filter holder relative to the brew head.
  3. The brewing head of claim 2, wherein the sliding motion of the cabinet filter holder is driven by at least one motor.
  4. 4. A brew head according to claim 3, wherein the sliding motion of the cabinet filter holder is operated by remote control.
  5. The brewing head according to claim 1, wherein the opening and closing of the assembly locking part is driven by at least one motor.
  6. 6. A brew head according to claim 5, wherein said motor is operated by remote control.
  7. 7. The brewing head according to any one of claims 1 to 6, wherein the cabinet filter holder is inserted into the support base from above or horizontally from the side of the support base.
  8. The brew head according to claim 1, wherein the upper frame is pivotable at an inclination angle of about 5 ° to 55 ° from the horizontal to the open position with respect to the support base.
  9. 7. The apparatus according to any one of claims 1 to 6, further comprising a generator for producing hot fluid, or a generator for producing warm gaseous fluid, or a generator for producing compressed hot fluid. Brewing head characterized by.
  10. 10. A brew head according to claim 9, wherein the generator, boiler, or heating system is separate from the brew head unit or connected to the brew head by a hose.
  11.  In the brewing head of the coffee machine,
    A rotating part for assembly locking comprising a handle having two ends,
    A filter holder assembly comprising a filter, a filter handle, a filter holder and a coffee chamber;
    A sealing assembly comprising a sealing ring inserted between the water connecting plate and the water spreader,
    Each end of the handle is movably connected to the campin and the upper frame; One member of each connecting plate is fixedly attached to each side of the upper frame by a hinge pin, and is movably connected to the cam pin; The other member of each connecting plate is pivotally connected to the support base; The filter comprises a flange,
    A water outlet valve, a water outlet spring and the sealing ring and the water spreader are fixedly attached to the water connecting plate by a water outlet valve holder; The water connecting plate is fixedly attached to the upper frame; The water connecting plate includes an opening connecting the water connecting plate to the hose for dispensing the heated and / or compressed fluid from the boiler,
    In the closed position, the handle rotates downward to lower the connecting plate; The sealing ring forms a pressure and / or watertight seal with the flange of the filter; Brewing head, characterized in that the rotating part for locking the assembly, the filter holder assembly and the sealing assembly are operably connected to withstand a pressure of at least 20 bar.
  12. The brew head of claim 11, wherein the filter holder assembly includes a flange to provide sliding movement of the cabinet filter holder relative to the brew head.
  13. The brewing head of claim 12, wherein the sliding motion of the cabinet filter holder assembly is driven by at least one motor.
  14. 14. The brew head according to claim 13, wherein the sliding movement of the cabinet filter holder is operated by remote control.
  15. 12. The brewing head according to claim 11, wherein the opening and closing of the rotating part for locking the assembly is driven by at least one motor.
  16. 16. Brewing head according to claim 15, wherein the motor is operated by remote control.
  17. 17. The brewing head according to any one of claims 11 to 16, wherein the cabinet filter holder is inserted horizontally from the side of the support base.
  18. 17. Brewing head according to any one of claims 11 to 16, wherein the upper frame is pivotable at an inclination angle of about 10 ° from horizontal to open with respect to the support base.
  19. The method according to any one of claims 11 to 16, further comprising a generator for producing hot fluid, or a generator for producing hot gaseous fluid, or a generator for producing compressed hot fluid. Brewing head characterized by.
  20. 20. The brew head of claim 19, wherein the generator, boiler, or heating system is separate from the brew head unit or connected to the brew head by a hose.
  21. The brew head according to any one of the preceding claims, wherein the movement of the cabinet filter holder is controlled by a software program.
  22. The software program of claim 21.
  23. 16. Brewing head according to claim 5 or 15, wherein the opening and closing of the assembly locking part is controlled by a software program.
  24. The software program of claim 23.
  25. A rotating part for assembly locking comprising a handle having two ends,
    A filter holder assembly comprising a filter, a filter basket, a filter handle, a filter holder and a coffee chamber;
    A sealing assembly comprising a sealing ring fixed to the shower head,
    Each end of the handle is connected to a rotating pole having a protruding member 20A; Each rotatable pole is movably attached to the protruding member 17A of the support base; The protruding member 20A is movably connected to one end of the movable rod, and the other end of the movable rod is movably connected to the upper protruding member 1A of the slider plate; The movement of the slider plate is guided by a slider plate holder attached to the support base; The shower head is attached to the bottom of the slider plate; The filter comprises a flange,
    The water sprayer is attached to the shower head by the sprayer holder; Compressed or heated fluid and / or steam from the boiler is distributed to the shower head by tubes or pipes,
    In the closed position, the handle rotates downward to pivot or move the movable rod downward; A slider plate attached to one end of the movable rod lowers the shower head onto the filter basket; The sealing ring on the shower head forms a watertight and pressure seal that can withstand pressures up to 20 bar.
  26. 27. The brew head of claim 25, wherein the filter holder assembly further comprises a foam maker for producing frothy coffee or coffee with foam.
  27. 27. The brew head of claim 26, wherein the foam maker is attached to the bottom of the filter basket.
  28. 27. The brew head according to claim 25, wherein the assembly locking rotator further comprises a stopper (30) attached to at least one protruding member (17A) of the support base.
  29. 29. A brew head according to claim 28, wherein said stopper prevents unlocking while the assembly locking rotator is under pressure.
  30. 30. The brew head of claim 29, wherein said stopper holds the shower head in a partially open position.
  31. 27. The brewing head according to claim 25, wherein the opening and closing of the assembly locking rotation part is driven by at least one motor.
  32. 32. A brew head according to claim 31 wherein said motor is operated by remote control.
  33. 33. Brewing head according to any one of claims 25 to 32, wherein the cabinet filter holder is inserted horizontally from the side of the support base.
  34. 33. The brew head according to any one of claims 25 to 32, wherein the upper frame is pivotable at an inclination angle of between about 100 degrees from horizontal to open with respect to the support base.
  35. 33. The method of any one of claims 25 to 32, further comprising a generator for producing hot fluid, or a generator for producing hot gaseous fluid, or a generator for producing compressed hot fluid. Brewing head characterized by.
  36. 36. A brew head according to claim 35, wherein said generator or boiler or heating system is separated from the brew head unit or connected to the brew head by a hose or tube.
KR1020067014481A 2003-12-23 2004-12-23 Cabinet design of filter holder for pressurized espresso machines KR20070019971A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/745,440 2003-12-23
EP03029686.7 2003-12-23
US10/745,440 US7237475B2 (en) 2003-12-23 2003-12-23 Cabinet design of filter holder for pressurized espresso machines
EP20030029686 EP1547498B1 (en) 2003-12-23 2003-12-23 Cabinet design of filter holder for pressurized coffee machines

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JP (1) JP2007516053A (en)
KR (1) KR20070019971A (en)
CN (1) CN1921787B (en)
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BR (1) BRPI0417942A (en)
CA (1) CA2547851A1 (en)
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CA2547851A1 (en) 2005-07-14
AU2004308478A1 (en) 2005-07-14
CN1921787B (en) 2010-05-26
AU2004308478B2 (en) 2008-01-10
CN1921787A (en) 2007-02-28
EP1703826A4 (en) 2012-08-29
BRPI0417942A (en) 2007-04-17
EP1703826A1 (en) 2006-09-27
JP2007516053A (en) 2007-06-21
WO2005063092A1 (en) 2005-07-14

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