![]() Food processing tool
专利摘要:
The present Invention provides a tool (10) intended as an attachment or accessory for a food processor and configured to automate the delicate operation of folding ingredients together without expelling air. The tool (10) comprises first and second curved blades (20, 30) which depend from a casing part (40) that is rotated within a processing bowl (60) by means of a geared arrangement (41, 42; 41, 42, 44, 45) that picks up rotary drive from a drive shaft (43, 50) coupled to a driven outlet on the base of the food processor. The blades (20, 30) are disposed at different distances from the axis about which the casing rotates, so that the outer blade (20) passes closer to the wall of the bowl (60) than does the inner blade (30), and the food-contacting surfaces of the blades are each formed to gently lift and turn ingredients, such that the outer blade (20) turns ingredients in towards the axis and the inner (30) blade turns ingredients outwardly therefrom. The blades (20, 30) may be mounted to the casing part (40) for simple bodily rotation therewith. Alternatively, one or both of the blades (20, 30) may be capable of rotation relative to the casing part (40), In any event, the blades (20, 30) can usefully be made removable from the casing part (40) to facilitate cleaning. 公开号:AU2012365478A1 申请号:U2012365478 申请日:2012-12-18 公开日:2014-08-28 发明作者:David Stephen Faram;Nick Jays;Oliver PENDLETON 申请人:Kenwood Ltd; IPC主号:A47J43-07
专利说明:
WO 2013/104883 PCT/GB2012/053169 1 FOOD PROCESSING TOOL This invention relates to food processing, and it relates more especially to a tool attachable to an electrically driven food processor and usable for 5 mixing ingredients in a bowl. The tool has particular application to the kind of processing that involves folding ingredients together without substantial expulsion of air from the mix. Such processing is quite difficult to carry out manually, since the 10 ingredients must be moved in a way that takes practice to perfect. Typically, a large spoon is used to gently lift and fold ingredients together. However, over folding or under folding can result in unsatisfactory results, either with the final product not rising fully and/or with the ingredients not being mixed together properly. 15 The present invention aims to simplify the folding process by providing a tool which, when used as an attachment to a food processor, enables automating and optimising the folding action so that users can reliably produce acceptable results, even if they are not experienced in the 20 requisite manual techniques. According to the invention there is provided a food processing tool comprising a casing part intended for bodily rotation about a drive axis and housing gear means adapted to pick up rotary drive from a food 25 processor drive shaft disposed on said axis, the casing supporting first and second dependent blade members disposed at different distances from said axis and at different orientations there-around, wherein food- WO 2013/104883 PCT/GB2012/053169 2 contacting surfaces of the blade members are each formed to gently lift and turn ingredients; the blade member further from said axis being configured to turn ingredients in towards the axis and the blade member closer to said axis being configured to turn ingredients outwardly 5 therefrom. By this means, the gentle folding action achieved by an experienced cook using spoons is simulated. 10 Preferably the gear means comprises first and second gear wheels configured as an epicyclic gearbox, since this configuration provides a rugged and reliable gearbox within a casing of usefully shallow dimensions. 15 Preferably the gear means causes the tool to rotate at a speed in the range from 15 to 60 rpm, since this permits ingredients to be folded without significant expulsion of air. In preferred embodiments, the blade members are removable from the 20 casing part to facilitate cleaning or replacement. It is preferred that the blade members are each formed with a compound curvature and tilt to simulate manual folding of ingredients using a spoon. 25 In some preferred embodiments of the invention, the blade members remain fixed relative to said casing part when in operation, as this provides a robust and economic configuration of components. WO 2013/104883 PCT/GB2012/053169 3 In other embodiments of the invention, however, one or more of the blade members can be adapted to rotate relative to the casing part during operation, and such embodiments preferably comprise further driving means for causing at least one of said blade members to rotate about a 5 second axis offset from that of the food processor shaft. Preferably, in such embodiments, said second axis is disposed substantially parallel to the axis of said drive shaft. 10 In some preferred embodiments of the invention, said gear means comprises a first stationary sun gear, centered on said axis, and a planet gear having a first gear located and configured to pick up rotational drive from said drive shaft and a second gear arranged to mesh with and run around said sun gear. Moreover, it is then preferred that said further 15 driving means comprises a second stationary sun gear disposed coaxially with the first, and a second planet gear centered on said second axis; the second planet gear being arranged to mesh with and run around the second sun gear as the casing part rotates bodily around the first mentioned axis when driven by said drive shaft. 20 In some preferred embodiments of the invention, at least one of said blade members and/or a supportive shank thereof is flexible. In any event, to utilise the invention, a user simply attaches the tool to a 25 food processor, sets the operating speed of the food processor to the desired speed and runs the machine for a predetennined length of time. WO 2013/104883 PCT/GB2012/053169 4 In order that the invention may be clearly understood and readily carried into effect, embodiments thereof will now be described, by way of example only, with reference to the accompanying drawings of which: 5 Figure I shows a food processor bowl, in phantom outline, and a perspective view of a tool in accordance with one example of the invention, in a first orientation therein; Figure 2 is similar to Figure 1, but shows the tool in a second orientation 10 in the bowl; Figure 3 shows the tool with the upper part of its casing removed to reveal the internal gearing in exploded view; 15 Figure 4 indicates how the paddle-like blades may be removed from the tool for cleaning and storage; and Figures 5 and 6 are overhead and isometric views respectively of a tool in accordance with another example of this invention. 20 Referring now to Figures 1 through 4 of the drawings, the tool 10 in accordance with this embodiment of the invention comprises a pair of paddle-like blades 20 and 30 depending from a casing 40 which contains planet and sun gear wheels 41 and 42 respectively, arranged so as to pick 25 up the drive from a drive shaft, disposed centrally of the bowl 60 of an electrically driven food processor. The lower part of the drive shaft is shown at 43 in Figures 1 to 3, and its upper part is shown at 50 in Figure WO 2013/104883 PCT/GB2012/053169 5 3. The tool 10 is configured and disposed so as to slowly and bodily rotate around the shaft 43, 50. As is well known, the drive shaft is driven in rotation from beneath the 5 bowl 60 by means of an electric motor housed in a base casing (not shown) of the food processor, and appropriately geared. In this example, the drive shaft 43, 50 is fitted over, and driven by, an in-bowl drive system located in the base of the bowl and driven from an outlet of the food processor. 10 In some alternative embodiments, the drive shaft 43, 50 passes through an aperture in the base of the bowl 60 and runs in a central tube or chimney extending along the central axis of the bowl. It will be appreciated in this respect, however, that the precise manner in which the drive of the food 15 processor is picked up and conveyed to the tool 10 is of little significance to the operation of the invention. Returning to the present embodiment of the invention, the paddle-shaped blades 20 and 30 are formed, as shown in the drawings, with flat, open 20 food-contacting surfaces which are gently curved and tilted towards their lower ends; the overall shape of each blade being intended to simulate the aforementioned manual folding movement when the casing 40 with its two dependent blades 20, 30 is bodily rotated at a slow speed about the axis of the drive shaft 50 by the interaction of the gears 41 and 42 with 25 the shaft 43, 50. Gear 42 is, in this example, kept stationary, either by location to hard (fixed) points on the lid or by other means. In other WO 2013/104883 PCT/GB2012/053169 6 embodiments, however, gear 42 may be driven, if a dual drive additional gearbox system is utilised. As can be seen from the drawings, the blades 20 and 30 depend from 5 opposite ends of the casing 40 and thus they are angularly offset as regards motion around the bowl. Indeed, in this example, the blades are offset by substantially 180 degrees in angle. Furthermore, the blades are disposed at different locations radially of the bowl 60. In this respect, blade 20, is disposed close to the upright wall of the bowl 60 and thus 10 constitutes an outer blade; the tilt on its food-contacting surface being inwards towards the centre of the bowl. Blade 30, on the other hand, rotates closely around the centre of the bowl 60, and the tilt on its food contacting surface is outwards, towards the side wall of the bowl 60. 15 The outer blade 20 is thus effective, in use, to lift ingredients in the bowl and roll them over towards the centre of the bowl 60, whereas the inner blade 30 is designed to lift ingredients and roll them over towards the outside wall of the bowl 60. 20 In this way, the tool 10 as a whole is designed to simulate the folding action required to fold ingredients together without knocking the air out; the profiles of the blade surfaces being designed to simulate the movement that would be achieved manually if using a spoon. 25 The planet and sun gears 41 and 42 and their interaction with the main drive shaft 43, 50 constitute an epicyclical gearbox, built into the casing 40 of the tool 10 which, in this example, is effective to reduce the WO 2013/104883 PCT/GB2012/053169 7 rotational speed of the blades 20 and 30 down to 15 to 60 rpm, which is slow enough to fold the ingredients without knocking out the air. The blades 20 and 30 do not, in this example, move relative to the casing 5 40 in operation, although one or both of them can be configured to do so if preferred, and one example of such an arrangement will be described later with reference to Figures 5 and 6. In any event, it is preferred that the blades 20 and 30 are removable from the casing 40 for cleaning and storage purposes, as shown in Figure 4. In this respect, it will be 10 appreciated that the blades 20 and 30 can be coupled to the casing 40 in any convenient way to permit ready removal and ready and secure re attachment. Moreover, in this example, the fold tool 10 is configured to rotate bodily in an anti-clockwise direction within the bowl 60. 15 The fold tool is shown in Figures 1 and 2 of the drawings as fitted into the processor bowl 60, but with the bowl lid removed. In operation, the ingredients are moved around as the blades 20, 30 move within the bowl. The outer blade 20 scoops the ingredients up, rolls them 20 over and deposits them towards the centre of the bowl 60. The inner blade 30, on the other hand, scoops the ingredients up, rolls them over and deposits them towards the outer part of the bowl 60. As mentioned above, and as can be seen from the drawings, the fold tool 25 10 is rotated around the bowl via an epicyclic gearbox 41, 42 built into the casing 40. In operation, rotation of the drive shaft 43, 50 rotates planet gear 41, which is a compound gear. Sun gear 42 constitutes the WO 2013/104883 PCT/GB2012/053169 8 final gear and is locked to the lid (not shown) of the bowl 60. As the compound gear 41 rotates, it runs around the outside of the final gear 42 which causes the fold tool 10 as a whole to rotate as described within the bowl 60, with blade 20 moving close to the upright wall of the bowl and 5 blade 30 moving close to the centre of the bowl. In the example of the present invention now to be described with additional reference to Figures 5 and 6, the outer blade 20 is arranged to rotate about a vertical axis 70 which is oriented parallel to that of the 10 drive shaft 43, 50. It will be appreciated that, in other examples, the inner blade 30 could be caused to rotate instead of, or as well as, the outer blade 20. With particular reference now to Figures 5 and 6, the rotary movement of 15 tool 20 about the axis 70 is conveniently achieved by modifying the gearing shown in Figure 3 by providing the sun gear 42 with an upper, stationary gearwheel 44 coaxially with the stationary gearwheel 42, and arranging the gearwheel 44 to mesh with a mobile gearwheel 45 that is capable of turning the outer tool 20 about the axis 70 when the casing 40 20 is driven in rotation. By this means, the compound gearwheel 41 meshes with driving splines on the shaft 43, 50 and causes the smaller gear on gearwheel 41 to run around the stationary gearwheel 42, as before. This causes bodily 25 movement of the casing 40 about the axis of the central drive shaft 43, 50; carrying the tools 20 and 30 around with it. WO 2013/104883 PCT/GB2012/053169 9 In addition, in the arrangement of Figures 5 and 6, however, the stationary gearwheel 42 is also formed as a compound gear, carrying a smaller, upper gearwheel 44. A further gearwheel 45, located coaxially with the outer tool 20, is carried around by the casing 40 and is configured to run 5 around the upper stationary gearwheel 44, thereby causing the outer tool 20 to rotate about the axis 70. It will be appreciated that alternative driving techniques could be used without departing from the scope of the invention and moreover, as already mentioned, that the inner tool 30 could be driven instead of, or as well as, the outer tool 20. It will also be 10 appreciated that the gearing ratios will be selected to provide a desired bodily rotation rate for the casing 40 and a desired rotational rate of the tool 20 (and/or of the tool 30). In any event, it is preferred that the blades 20 and 30 are removable from 15 the casing 40 for cleaning and storage purposes, as previously described with reference to Figure 4. In this respect, it will be appreciated that the blades 20 and 30 can be coupled to the casing 40 in any convenient way to permit ready removal and ready and secure re-attachment. The shape of the tools 20 and 30 will clearly vary with different food processor 20 designs and in some embodiments of the invention, particularly where one or both of the tools are driven in rotation, the tools 20, 30 may be interchangeable to achieve different processing characteristics. In this example of the invention, the fold tool 10 is configured to rotate 25 bodily in an anti-clockwise direction within the bowl 60, and the outer tool 20 also rotates anti-clockwise about the axis 70. It will be appreciated, however, that other relationships between the rotational WO 2013/104883 PCT/GB2012/053169 10 directions of the various components of the tool 10 can be used if preferred. In operation, the ingredients are moved around as the blades 20, 30 move 5 within the bowl. The outer blade 20 scoops the ingredients up, rolls them over and deposits them towards the centre of the bowl 60. The inner blade 30, on the other hand, scoops the ingredients up, rolls them over and deposits them towards the outer part of the bowl 60. 10 As mentioned above, and as can be seen from the drawings, the fold tool 10 is, in this example of the invention, rotated around the bowl and the blade 20 simultaneously rotated about its own axis, via an epicyclic gearbox 41, 42, 44, 45 built into the casing 40. 15 If desired, either or both of the blades 20 and 30 and/or their supporting shanks may be made somewhat flexible, or may be made of material that can flex in use. Alternatively or additionally, if desired, any edge or edges of the outer blade 20 that will, during operation, closely approach the inner wall of bowl 60 may be formed of flexible material, or may 20 carry a flexible, wiper-like extension so as to ensure soft but consistent contact between the blade 20 and the said inner wall.
权利要求:
Claims (13) [1] 1. A food processing tool (10) comprising a casing part (40) intended for bodily rotation about a drive-shaft axis and housing gear means (41, 5 42; 41, 42, 44, 45) adapted to pick up rotary drive from a food processor drive shaft (43, 50) disposed on said drive-shaft axis, the casing (40) supporting first and second dependent blade members (20, 30) disposed at different distances from said drive-shaft axis and at different orientations there-around, wherein food-contacting surfaces of the blade members (20, 10 30) are each formed to gently lift and turn ingredients; the blade member (20) further from said drive-shaft axis being configured to turn ingredients in towards the axis and the blade member (30) closer to said drive-shaft axis being configured to turn ingredients outwardly therefrom. 15 [2] 2. A tool according to claim 1, wherein said gear means comprises first and second gear wheels (41, 42) configured as an epicyclic gearbox. [3] 3. A tool according to claim I or claim 2, wherein said gear means causes said tool to rotate at a speed in the range from 15 to 60 rpm. 20 [4] 4. A tool according to any preceding claim wherein said blade members (20, 30) are removable from said casing part (40). [5] 5. A tool according to any preceding claim, wherein said blade 25 members (20, 30) are each formed with a compound curvature and tilt to simulate manual folding of ingredients using a spoon. WO 2013/104883 PCT/GB2012/053169 12 [6] 6. A tool according to claim any preceding claim, wherein said gear means comprises a first stationary sun gear (42), centered on said drive shaft axis, and a compound planet gear (41) having a first gear located and configured to pick up rotational drive from said drive shaft (43, 50) 5 and a second gear arranged to mesh with and run around said sun gear (42). [7] 7. A tool according to any preceding claim, wherein, in operation, said blade members (20, 30) remain fixed relative to said casing part (40). 10 [8] 8. A tool according to any of claims I to 6, comprising further driving means (44, 45) for causing at least one of said blade members (20, 30) to rotate about a second axis (70) offset from that of the food processor drive shaft (43, 50). 15 [9] 9. A tool according to claim 8, wherein said second axis (70) is disposed substantially parallel to the axis of said drive shaft (43, 50). [10] 10. A tool according to claim 9, wherein said further driving means 20 comprises a second stationary sun gear (44) disposed coaxially with the first (42), and a second planet gear (45) centered on said second axis (70); the second planet gear (45) being arranged to mesh with and run around the second sun gear (44) as the casing part (40) rotates bodily around the drive-shaft axis when driven by said drive shaft (43, 50). 25 [11] 11. A tool according to any preceding claim, wherein at least one of said blade members (20, 30) and/or a supportive shank thereof is flexible, WO 2013/104883 PCT/GB2012/053169 [12] 12. A toolaccording to any preceding clain, vherein an edge of at least one of said blade numbers (20, 30) is trmed wit or cards a iiperl-ike extension of flexibe e material. WO 2013/104883 PCT/GB2012/053169 14 AMENDED CLAIMS received by the International Bureau on [13] 13 May 2013 (13.05.2013) Claims: 1. A tool (10) for processing foodstuff ingredients in a bowl (60) of a food processor; the tool comprising a casing part (40) mounted for bodily 5 rotation about a drive-shaft axis disposed in operation centrally of the bowl (60), the casing part (40) housing gear means (41, 42; 41, 42, 44, 45) adapted to pick up rotary drive from a food processor drive shaft (43, 50) disposed on said drive-shaft axis and driven from beneath the bowl (60); said gear means including a gear wheel (42) mounted on said axis, 10 and the casing (40) supporting first and second blade members (20, 30) depending therefrom into the bowl; said blade members being disposed at different distances from said drive-shaft axis and at different orientations there-around, and each formed with a compound curvature and tilt to simulate manual folding of ingredients using a spoon, thereby to gently 15 lift and turn said ingredients; the blade member (20) further from said drive-shaft axis being configured to turn ingredients in towards the axis and the blade member (30) closer to said drive-shaft axis being configured to turn ingredients outwardly therefrom. 20 2. A tool according to claim 1, wherein said gear means comprises first and second gear wheels (41, 42) configured as an epicyclic gearbox. 3. A tool according to claim 1 or claim 2, wherein said gear means causes said tool to rotate at a speed in the range from 15 to 60 rpm. 25 4. A tool according to any preceding claim wherein said blade members (20, 30) are removable from said casing part (40). WO 2013/104883 PCT/GB2012/053169 15 5. A tool according to claim any preceding claim, wherein said gear wheel comprises a stationary sun gear (42), centered on said drive-shaft axis, and said gear means further comprises a compound planet gear (41) 5 having a first gear located and configured to pick up rotational drive from said drive shaft (43, 50) and a second gear arranged to mesh with and run around said sun gear (42). 6. A tool according to any preceding claim, wherein, in operation, 10 said blade members (20, 30) remain fixed relative to said casing part (40). 7. A tool according to any of claims 1 to 5, comprising further driving means (44, 45) for causing at least one of said blade members (20, 30) to rotate about a second axis (70) offset from that of the food 15 processor drive shaft (43, 50). 8. A tool according to claim 7, wherein said second axis (70) is disposed substantially parallel to the axis of said drive shaft (43, 50). 20 9. A tool according to claim 8, wherein said further driving means comprises a second stationary sun gear (44) disposed coaxially with the first (42), and a second planet gear (45) centered on said second axis (70); the second planet gear (45) being arranged to mesh with and run around the second sun gear (44) as the casing part (40) rotates bodily around the 25 drive-shaft axis when driven by said drive shaft (43, 50). WO 2013/104883 PCT/GB2012/053169 16 10. A tool according to any preceding claim, wherein at least one of said blade members (20, 30) and/or a supportive shank thereof is flexible. 11. A tool according to any preceding claim, wherein an edge of at 5 least one of said blade members (20, 30) is formed with or carries a wiper-like extension of flexible material.
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同族专利:
公开号 | 公开日 WO2013104883A1|2013-07-18| GB2498342A|2013-07-17| AU2012365478B2|2017-09-07| GB2498342B|2017-08-02| EP2802248B1|2018-08-01| CA2860790A1|2013-07-18| US20150003190A1|2015-01-01| NZ628067A|2016-02-26| GB201200299D0|2012-02-22| US9681778B2|2017-06-20| EP2802248A1|2014-11-19| CA2860790C|2020-03-10| EP2802248B8|2018-09-12|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题 US1612281A|1922-11-14|1926-12-28|Columbia Metal Products Compan|Mixing apparatus| US1762081A|1930-02-24|1930-06-03|Schleicher George|Beater| GB2167312B|1984-11-20|1988-08-24|Ictc Electrical Limited|Improved attachment for a food processor| DE3718161C1|1987-05-29|1988-07-28|Braun Ag|Working tools for preparing food| FR2896677B1|2006-02-01|2010-08-20|Seb Sa|COOKING APPARATUS WITH MEANS OF REMUTING AND METHOD THEREOF| DE102007056711B4|2007-11-26|2013-11-14|BSH Bosch und Siemens Hausgeräte GmbH|Kneading or stirring tool and food processor| FR2954181B1|2009-12-22|2014-02-21|Michel Marcel Andre Loiselet|CULINARY PREPARATION APPARATUS, IN PARTICULAR FOR THE PREPARATION OF FLOUR-BASED PASTA| IT1399634B1|2010-04-26|2013-04-26|G S G Srl|MACHINE FOR THE TREATMENT OF FOOD MIXTURES WITH CENTRALIZED ACTIVATION| DE102010017335A1|2010-06-11|2011-12-15|Vorwerk & Co. Interholding Gmbh|Food processor with a mixing vessel and method for operating such a food processor|US9656227B2|2013-02-27|2017-05-23|Whirlpool Corporation|Food blending appliance with wiper assembly| CN104783671A|2015-04-30|2015-07-22|苏州西顿家用自动化有限公司|Stirring mechanism for intelligent cooking equipment| US20180353014A1|2015-12-18|2018-12-13|Breville Pty Limited|Spiral Cutting Accessory| US10694895B2|2016-02-03|2020-06-30|Conair Corporation|Food processor having indexing storage containers| US10638884B2|2016-02-04|2020-05-05|Conair Corporation|Food processor and sidewall cleaning mechanism therefor| DE202018000132U1|2018-01-11|2018-01-26|Popcornloop Gmbh|Device for the preparation of popcorn in a microwave oven| GB2577030A|2018-03-13|2020-03-18|705 Srl|Scraper blade| CN108479548B|2018-03-23|2019-03-08|广州浪奇日用品有限公司|A kind of detergent device| CN110613373B|2018-06-20|2021-09-14|广东美的生活电器制造有限公司|Food processor|
法律状态:
2018-01-18| FGA| Letters patent sealed or granted (standard patent)|
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申请号 | 申请日 | 专利标题 GB1200299.4A|GB2498342B|2012-01-10|2012-01-10|Food processing tool| GB1200299.4||2012-01-10|| PCT/GB2012/053169|WO2013104883A1|2012-01-10|2012-12-18|Food processing tool| 相关专利
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