WO1999025234A1 - Arbeitsgerät zum rühren oder zerkleinern von nahrungsmitteln, insbesondere stabmixer - Google Patents
Arbeitsgerät zum rühren oder zerkleinern von nahrungsmitteln, insbesondere stabmixer Download PDFInfo
- Publication number
- WO1999025234A1 WO1999025234A1 PCT/EP1998/007054 EP9807054W WO9925234A1 WO 1999025234 A1 WO1999025234 A1 WO 1999025234A1 EP 9807054 W EP9807054 W EP 9807054W WO 9925234 A1 WO9925234 A1 WO 9925234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shield
- working
- housing
- tool according
- opening edge
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/0705—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the upper side
- A47J43/0711—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the upper side mixing, whipping or cutting tools
Definitions
- the present invention relates to an implement for stirring or crushing food, in particular a hand blender, according to the preamble of claim 1.
- Tools of this type are known, for example, from WO 96/10944 (PCT / EP95 / 03932) or EP-A1 0 724 857.
- Such tools or hand blenders are used in a wide variety, in particular in the daily preparation of food, for example to shred and mix food.
- a hand blenders have a motor housing which is adjoined by an elongate housing part, which in turn merges at its end into a shield with an end open at the bottom, also referred to as a housing bell.
- a drive motor is arranged in the motor housing, which drives a working shaft guided through the elongated housing part, at the end of which, usually in the area of the shielding, a cutting knife is fastened.
- the shielding is dimensioned such that it completely surrounds the cutting knife and, viewed in the direction of the axis of the working shaft, projects a certain distance beyond the end of the shaft or the cutting knife.
- the shielding serves to protect the user of the device from the rotating cutting knife.
- this shield also serves as a splash guard, in particular when low-viscosity foods are to be processed.
- Such tools or hand blenders can be adapted to the respective requirements by selecting the speed at which the shaft and thus the working knife rotate.
- Problems can arise when solid foods, such as carrots, are to be crushed.
- the carrots must be cut into sufficiently short pieces beforehand so that when the hand blender or the bell housing is immersed in the pre-cut carrots, they can penetrate the interior of the bell in order to reach the working knife. If such carrot pieces are too large or the container in which the carrots are accommodated is too small so that the carrot pieces cannot move against each other or only with difficulty, it can occur that the edge of the shield comes to rest on such large pieces and further penetration of the shield is not possible. As a result, the cutting knife does not reach the carrot pieces to shred them. This problem can usually be be lifted by lifting the hand blender and immersing it again in the food parts to be chopped until it penetrates them.
- EP 0 078 050 is a generic working device, such as a hand blender, in which the working tool can only be moved out of the bell against the force of a spring when it is immersed in liquid foodstuffs. In this way, the food should be stirred and chopped homogeneously and completely at high rotational speed by moving the working tool out of the bell. As soon as the bell is removed from the food, the working tool is retracted into the bell space by axial displacement due to the force of the spring. Injuries caused by a working tool now protected by the bell are avoided.
- the invention is based on the object of developing a working tool, in particular a hand blender, in such a way that the working tool, in particular a cutting knife, is adequately protected by the shield in a basic position, but is also well suited to better comminuting large, solid pieces of food .
- the opening edge in its relative positioning in the axial direction, can shift towards the working part, be it by mechanical adjustment by hand or by pressurizing it on the working device.
- the shield In a basic position, the shield is held in such a way that it covers the working part sufficiently and serves as occupational safety against the working part. If low-viscosity foods are processed, the shield remains in this advanced position in every phase of the handling of the device and serves as a splash guard. However, if solid pieces of food, such as carrots, potatoes, apples or onions, are to be chopped with the implement, the device is immersed in the container holding the pieces of food and settles with the lower edge of the shield on the food pieces to be chopped.
- the resistance increase as the shield penetrates further into the food pieces in the one exemplary embodiment there is a relative axial displacement of the working part and the opening edge of the shield relative to one another, so that the working part is displaced further towards the opening edge and possibly slightly above protrudes beyond the opening edge.
- the working part penetrates those pieces of food on which the opening edge of the shield rests, which would otherwise prevent further penetration of the shield with the working part withdrawn therein.
- the comminution of solid pieces of food is considerably facilitated in this way, moreover, a safer handling of the implement is ensured, since it penetrates into the pieces of food practically without resistance due to the axial displacement of the working part and the opening edge of the shield.
- the shield is slidably arranged between an upper and a lower position.
- the working part In the lower position, the working part is closer to the free opening edge of the shield as seen in the direction of the working shaft than in the upper position, in which the working part is pulled further back into the shield.
- the operation of the implement is ensured when crushing solid foods, as described above.
- the rim of the bell also sticks to the bottom of the work container. When the bell is deformed, the space enclosed by the bell shrinks so that firmer foods are literally crushed and pressed out of the side slots of the bell. This significantly improves the shredding process.
- the bell does not have to be constantly lifted off the floor, which is difficult due to the suction effect that occurs on the knife during operation. Splashing of food by suddenly lifting and partially lifting the bell out of the food is also avoided.
- the free edge of the bell can be in constant contact with the floor and the food is pressed out of the room through the lateral slots of the bell by pressure movements over the shaft carrying the bell and new food is sucked in again when loosened. This is in addition to the mixing movement of the food through the work tool.
- the shield can be arranged displaceably together with the housing part in the housing of the implement.
- the means for the axial displacement are formed from an elastic intermediate part.
- This intermediate part is arranged between the shield and the housing part. If the shield encounters resistance when penetrating food to be shredded, the intermediate part deforms elastically, so that a displacement of the housing part between a lower position and an upper position and vice versa is possible.
- the elastic intermediate part should deform so that a shaft or fold, in the radial direction to the axis seen the working wave, forms.
- Such wave or wrinkle formation can be promoted in that the elastic intermediate part, seen in the radial direction to the axis of the working shaft, is formed with different material thicknesses, so that forced deformation areas arise, or that the elastic intermediate part already has a wave or fold in the radial direction Shaft axis is formed, which is more pronounced when moving the housing part.
- the intermediate part is preferably provided with a prestress, which is then sufficient to return it to its advanced basic position when the forces acting on the edge of the shield decrease.
- the means to enable the relative axial displacement of the working part and the opening edge of the shield relative to one another can be formed by a displacement device provided between an intermediate housing and the housing part (claim 6).
- a displacement device can have interlocking sleeves or other sliding parts, one part being assigned to the shield, while the other part is attached to the housing part.
- a spring or a spring element should be provided, which fix the shield in its basic position and are biased relative to the working part when the shield is moved in order to return the shield to its basic position.
- the above-mentioned displacement device can, according to claim 7, be designed so that a locking device is provided.
- the shield can then be locked in its lower or upper position, possibly also in intermediate positions, in order to set the position of the working tool, for example the cutting knife, which is most favorable for the work process, to the edge of the shield and to maintain it during the work process.
- a locking device is arranged on the drive end of the implement.
- Such a locking device can be designed so that it is rotatably and / or axially displaceable in order to enable, with rotation and / or axial displacement, a locking or release of the relative displacement between the opening edge of the shield and the working part (claim 9) .
- the locking device can be constructed from a thread-like adjusting device which is fixed in any position of the adjusting device by a clamping device. can be fixed (claim 10).
- a thread-like adjusting device enables the axial assignment between the edge of the shield and the working part to be set in any desired position.
- a shield can be provided which can be expanded radially.
- a radial widening of the shield changes the axial position of the shielding edge, so that the axial distance between the working part and the opening edge is reduced by widening the shielding.
- Such an expansion is always caused when pressure is exerted on the opening edge.
- the shield can be constructed, for example, from individual overlapping surface segments, as stated in claim 12. These surface segments are then pivoted at an angle to the axis of the working shaft, so that they can pivot under pressure exerted on the opening edge in such a way that the shielding is enlarged or reduced in the region of the opening edge.
- FIG. 1 shows a longitudinal section through the end of a hand blender with a lower position of the shield or bell housing
- FIG. 3 shows a second embodiment of the invention, the shield and a shaft housing being arranged so as to be displaceable and lockable in the upper region on a motor housing, with a lower position of the shield
- Fig. 4 is a representation corresponding to Figure 3, but with an upper position of the shield
- Fig. 5 is a schematic arrangement of a shield, which is constructed from pivotable surface segments.
- FIGS. 1 and 2 show, there is a longitudinal section of an implement with a work shaft 1 which carries a work tool 3 in the form of a cutting knife at its lower, output-side end 2.
- the working shaft 1 is guided centrally in a shaft housing 4.
- the shaft housing 4 merges into a shield or housing bell 5 at its lower end.
- This shield is widened towards its open end in such a way that it radially encloses the working tool 3 at a distance and projects a certain distance over the driven end 2 of the working shaft 1 and thus over the working tool 3 in the direction of the axis of the working shaft 1.
- a bearing part 6 with a bearing sleeve 7, which supports the working shaft 1 is inserted into the shaft housing 4.
- Clamping rings 8 are provided above and below the bearing sleeve 7, which fix the working shaft 1 in the bearing sleeve 7 and thus in the bearing part 6 and the shaft housing 4 against axial displacement.
- the bearing part 6 is sealed against the shaft housing 4 with an annular seal 9.
- a first sleeve-shaped part 10 is placed on the end of the shaft housing 4, which protrudes slightly into the interior of the shield 5. This first sleeve-shaped part 10 is assigned a second sleeve-shaped part 11, which engages over the first sleeve-shaped part 10 on the outside.
- a cover plate 12 is attached, which extends approximately perpendicular to the axis of the shaft 1 and extends to the inner wall of the shield 5.
- This cover plate 12 covers the area of the shield 5 and the shaft housing 4, in which the working shaft 1 is mounted and the sleeve-shaped parts 10 and 11 are arranged. Furthermore, the working shaft 1 is sealed off from the cover plate 12 by a shaft sealing ring 13.
- the shield 5 is formed by an intermediate part 15. As can be seen from FIGS. 1 and 2, this intermediate part 15 adjoins the lower section 14 of the shield 5 directly above the cover plate 12.
- the intermediate part 15 is made of an elastic material, for example rubber or plastic, so that the shield 5 in the area of this intermediate part is designed to be flexible and thus flexible.
- the intermediate part 15 is provided with a bead 19, seen radially to the working shaft 1, which protrudes on the inside of the intermediate part 15 beyond its base wall thickness.
- a force is generated when working with the implement when the shield 5 rests with the opening edge 17 on solid, uncrushed food.
- a displacement of the lower section 14 of the shield 5 occurs, starting from the position in FIG. 1, until an upper position of the lower section 14 is reached, which is shown in FIG .
- the working tool 3 lies closer to the opening edge 17.
- the intermediate part 15 is deformed, as can be seen in FIG. 2.
- Defined waves or folds 18 are formed, the formation of which is promoted by the annular bead 19 or the different wall thicknesses of the intermediate part 15.
- the intermediate part 15 is pretensioned such that when the pressure on the opening edge 17 subsides, it moves the lower section 14 of the shield 5 back into the starting position according to FIG. 1.
- the implement adapts in its positioning within the shield 5 due to the flexible part 15 to the respective working conditions. If thin materials are to be processed with the working device, the device is immersed in the liquid in the position as shown in FIG. 1. The working part 3 is pulled back far enough from the opening edge 17 of the shield so that the shield 5 serves as a splash guard.
- the tool is introduced into the foods to be processed with a position of the shield 5, as shown in FIG. 1. If the shield with the opening edge 17 strikes food parts that do not make it possible for the shield to penetrate further into the food pieces, the shield 5 or its lower section 14 moves upward in the direction of arrow 16 by the intermediate part 15 corresponding to FIG Figure 2 deformed so that the implement or knife 3 lies further towards the opening edge 17. In this position according to FIG. 2, or in a position of the shield 5 which is shifted even further upwards, the work tool 3 directly detects those pieces of food on which the opening edge 17 rests.
- FIGS. 3 and 4 and FIG. 5 Two further embodiments of an implement are shown in FIGS. 3 and 4 and FIG. 5, which are described below.
- Parts of the working tools, as shown in FIGS. 3 to 5, which correspond in their construction and function to those of the first embodiment in FIGS. 1 and 2, are identified by the same reference numerals, so that their description will not be repeated below.
- the embodiment of Figures 3 and 4 differs from the first embodiment corresponding to Figures 1 and 3 in that the entire shield 5 is made of a dimensionally stable material.
- the adjoining shaft housing 4 merges into a motor housing 20 at its upper end.
- This motor housing 20 is in a lower part 21 and an upper part 22 divided.
- the lower part 21 is assigned to the shaft housing 4, while the upper part 22, overlapping the lower part 21, is held displaceably in the axial direction, which is indicated by the arrow 23, starting from the position as shown in FIG. 3.
- the mode of operation of the second embodiment according to FIGS. 3 and 4 corresponds to that which was described with reference to the first embodiment.
- the displacement of the housing 4 can take place against the force of spring elements, not shown, which act, for example, between the lower part 21 and the upper part 22 of the motor housing 20.
- a locking ring 24 is provided, which is assigned to the upper part 22 and is rotatably held in the circumferential direction with respect to the upper part 22.
- locking parts are assigned to the locking ring 24 and the motor housing 20.
- the shield 5 is divided circumferentially into individual surface segments 25 which overlap one another in the circumferential direction in the position as shown in FIG.
- the individual surface segments 25 are each articulated via a joint 26, so that these individual surface segments 25 can pivot outwards in the direction of the pivot arrows 27.
- the cover plate 12 is also provided with pins 28, which are indicated in FIG grooves shown are performed on the inside of the surface segments 5.
- the cover plate 12 is in turn centered and displaceable with an arrangement of a first sleeve-shaped part 10 and a second sleeve-shaped part 11, comparable to the arrangement of FIGS. 1 and 2.
- the surface segments 25 attempt to yield to this pressure by pivoting outward about the joints 26 in the direction of the pivoting arrows 27, so that the working tool 3 again comes closer to the opening edge 17.
- spring elements can be provided, for example also between the two sleeve-shaped parts 10 and 11, in order to return the surface segments 25 of the shield to the basic position, as shown in FIG. 5.
- FIGS. 1, 2 and 5 only show the front end of the working tool 3 with the shield 5 and part of the shaft housing 4, it will be understood that the shaft housing 4 according to the second embodiment can continue upwards and merges into a corresponding motor housing; alternatively, the arrangements according to FIGS. 1, 2 and 5 can also serve as attachments which are plugged onto a corresponding drive unit.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98963413A EP1032299A1 (de) | 1997-11-17 | 1998-11-05 | Arbeitsgerät zum rühren oder zerkleinern von nahrungsmitteln, insbesondere stabmixer |
AU18710/99A AU1871099A (en) | 1997-11-17 | 1998-11-05 | Appliance for stirring or reducing foods, especially a hand blender |
US09/565,701 US6293691B1 (en) | 1997-11-17 | 2000-05-04 | Processing device for stirring or reducing foods, particularly a handheld blender |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19750813A DE19750813C2 (de) | 1997-11-17 | 1997-11-17 | Arbeitsgerät zum Rühren oder Zerkleinern von Nahrungsmitteln, insbesondere Stabmixer |
DE19750813.8 | 1997-11-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/565,701 Continuation US6293691B1 (en) | 1997-11-17 | 2000-05-04 | Processing device for stirring or reducing foods, particularly a handheld blender |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999025234A1 true WO1999025234A1 (de) | 1999-05-27 |
Family
ID=7848930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/007054 WO1999025234A1 (de) | 1997-11-17 | 1998-11-05 | Arbeitsgerät zum rühren oder zerkleinern von nahrungsmitteln, insbesondere stabmixer |
Country Status (5)
Country | Link |
---|---|
US (1) | US6293691B1 (de) |
EP (1) | EP1032299A1 (de) |
AU (1) | AU1871099A (de) |
DE (1) | DE19750813C2 (de) |
WO (1) | WO1999025234A1 (de) |
Families Citing this family (33)
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DE19812541A1 (de) * | 1998-03-21 | 1999-09-30 | Braun Gmbh | Glockenförmige Abschirmung für die Verwendung in einem Haushaltsgerät, insbesondere Stabmixer oder Handrührer |
DE10031753A1 (de) * | 2000-06-29 | 2002-01-17 | Braun Gmbh | Arbeitsbehälter zum Aufnehmen und Bearbeiten von Nahrungsmitteln |
NZ518432A (en) * | 2002-04-16 | 2004-09-24 | Agres Ltd | A homogeniser and method of cleaning same. |
US6719450B2 (en) | 2002-04-19 | 2004-04-13 | Bonjour, Incorporated | Processing tool attachments for a food mixing device |
US6523990B1 (en) * | 2002-08-12 | 2003-02-25 | Main Power Electrical Factory Ltd. | Hand blender |
US6974244B1 (en) | 2002-11-15 | 2005-12-13 | King-Yuan Lin | Hand-held wand mixer |
FR2854562B1 (fr) * | 2003-05-09 | 2005-07-01 | Dito Sama | Outil de machine de traitement de produits alimentaire, notamment de type mixeur, et machine equipee d'un tel outil |
FR2854561B1 (fr) * | 2003-05-09 | 2006-06-02 | Dito Sama | Outil de machine de traitement de produits alimentaires ayant des moyens de verrouillage ameliores, et machine equipee d'un tel outil |
FR2860698B1 (fr) * | 2003-10-14 | 2005-12-09 | Seb Sa | Pied de mixage et mixeur menager de type plongeant muni d'un tel pied de mixage. |
DE602006009659D1 (de) * | 2005-06-10 | 2009-11-19 | Koninkl Philips Electronics Nv | Mixerarm und küchenmaschine |
FR2890252B1 (fr) * | 2005-08-29 | 2007-11-30 | Electrolux Professionnel Soc P | Appareil electrique de traitement de produits alimentaires dote d'un dispositif de ventilation perfectonne. |
FR2896396B1 (fr) * | 2006-01-20 | 2010-04-02 | Hameur Sa | Mixeur plongeant |
FR2896394B1 (fr) * | 2006-01-20 | 2010-03-19 | Hameur Sa | Mixeur plongeant et procede de demontage facilite |
FR2896397B1 (fr) * | 2006-01-20 | 2010-04-02 | Hameur Sa | Appareil de traitement d'aliments equipe d'un dispositif d'amelioration d'une etancheite d'un tel appareil |
US8685477B2 (en) * | 2008-01-17 | 2014-04-01 | Enodis Corporation | Method for blending a beverage in a single serving cup |
US8336731B2 (en) * | 2008-11-05 | 2012-12-25 | F'real Foods, Llc | Method and apparatus for rotationally restraining a mixing container |
US8534501B2 (en) * | 2008-12-08 | 2013-09-17 | Enodis Corporation | Integrated method and system for dispensing beverage ingredients |
US8857667B2 (en) * | 2008-12-08 | 2014-10-14 | Enodis Corporation | Integrated method and system for dispensing beverage ingredients |
EP2445621B1 (de) * | 2009-10-16 | 2023-08-02 | F'real! Foods, Llc | Lebensmittelzubereitungsvorrichtung für im handel erhältliche tiefgekühlte lebensmittel |
SI2394544T1 (sl) * | 2010-06-10 | 2014-09-30 | Bsh Bosch Und Simenes Hausgerate Gmbh | Ročni gospodinjski aparat z zaščitnim pokrovom |
MX2014004155A (es) | 2011-10-06 | 2015-09-10 | Delfield Company Llc | Metodo y sistema para un ensamble de suministro de bebidas. |
DE102013219835A1 (de) | 2013-09-30 | 2015-04-02 | BSH Bosch und Siemens Hausgeräte GmbH | Werkzeug für Küchengerät mit Abdeckschale |
US9642494B1 (en) | 2013-10-21 | 2017-05-09 | Kevin Brun | Radial immersion blender |
US20160174770A1 (en) * | 2014-02-26 | 2016-06-23 | Ming-Hsien Lee | Blenderblade assembly and shaft assembly thereof |
US10165899B2 (en) | 2015-02-18 | 2019-01-01 | Whirlpool Corporation | Immersion blender |
DE102015207196B3 (de) * | 2015-04-21 | 2016-05-25 | De'longhi Braun Household Gmbh | Arbeitsgerät mit teleskopartig beweglichem Schaft zum Rühren oder Zerkleinern von Nahrungsmitteln |
DE102015207197B3 (de) * | 2015-04-21 | 2016-06-16 | De'longhi Braun Household Gmbh | Stabmixermesser mit Fräskante |
KR101893008B1 (ko) * | 2017-01-26 | 2018-08-30 | 프린텍 주식회사 | 샤프트 결합 모듈을 포함하는 핸드 블렌더 |
DE102017213778B4 (de) | 2017-08-08 | 2019-10-10 | De'longhi Braun Household Gmbh | Arbeitsgerät zum Rühren oder Zerkleinern von Nahrungsmitteln |
US11395996B2 (en) | 2018-08-10 | 2022-07-26 | Hamilton Beach Brands, Inc. | Immersion mixer with trigger manipulable from multiple grasping locations |
DE102018221231A1 (de) * | 2018-12-07 | 2020-06-10 | De'longhi Braun Household Gmbh | Zubehörelement für ein Küchengerät |
DE102019206029B4 (de) * | 2019-04-26 | 2022-02-10 | De'longhi Braun Household Gmbh | Küchengerät und Zubehörelement zum Abdichten einer Schutzhaube eines Küchengeräts |
CN116036942B (zh) * | 2023-03-07 | 2023-06-16 | 云南热火餐饮管理有限公司 | 一种使用水果酶嫩化牛肉的混合设备及腌制方法 |
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1997
- 1997-11-17 DE DE19750813A patent/DE19750813C2/de not_active Expired - Fee Related
-
1998
- 1998-11-05 AU AU18710/99A patent/AU1871099A/en not_active Abandoned
- 1998-11-05 WO PCT/EP1998/007054 patent/WO1999025234A1/de not_active Application Discontinuation
- 1998-11-05 EP EP98963413A patent/EP1032299A1/de not_active Withdrawn
-
2000
- 2000-05-04 US US09/565,701 patent/US6293691B1/en not_active Expired - Fee Related
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DE4436092C1 (de) * | 1994-10-10 | 1995-11-30 | Braun Ag | Arbeitsgerät zum Rühren oder Zerkleinern von Nahrungsmitteln |
WO1996010944A1 (de) | 1994-10-10 | 1996-04-18 | Braun Aktiengesellschaft | Arbeitsgerät zum rühren oder zerkleinern von nahrungsmitteln |
EP0724857A1 (de) | 1995-02-03 | 1996-08-07 | Braun Aktiengesellschaft | Schneidmesser für einen elektrisch betriebenen Stabmixer |
DE19504638A1 (de) * | 1995-02-13 | 1996-08-14 | Braun Ag | Verfahren für ein Arbeitsgerät, insbesondere Stabmixer, zum Rühren oder Zerkleinern von Nahrungsmitteln in einem Behälter |
Also Published As
Publication number | Publication date |
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EP1032299A1 (de) | 2000-09-06 |
AU1871099A (en) | 1999-06-07 |
DE19750813A1 (de) | 1999-06-02 |
DE19750813C2 (de) | 2002-06-13 |
US6293691B1 (en) | 2001-09-25 |
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