FR2725383A1 - Domestic food chopper with rotary blade and safety locking device - Google Patents
Domestic food chopper with rotary blade and safety locking device Download PDFInfo
- Publication number
- FR2725383A1 FR2725383A1 FR9411969A FR9411969A FR2725383A1 FR 2725383 A1 FR2725383 A1 FR 2725383A1 FR 9411969 A FR9411969 A FR 9411969A FR 9411969 A FR9411969 A FR 9411969A FR 2725383 A1 FR2725383 A1 FR 2725383A1
- Authority
- FR
- France
- Prior art keywords
- cover
- bowl
- knife
- locking
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- A47J43/075—Safety devices
- A47J43/0755—Safety devices for machines with tools driven from the upper side
-
- 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
- A47J43/044—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the top side
Abstract
Description
APPAREIL MENAGER A COUTEAU ROTATIF, TEL QU'UN HACHOIR
La présente invention se rapporte aux appareils ménagers, tels que des hachoirs, comportant un bol qui est fermé par un couvercle amovible et dans lequel s'étend verticalement un arbre rotatif dont l'extrémité inférieure porte un couteau et est engagée dans un palier monté fixe sur le fond du bol, et dont l'extrémité supérieure fait saillie du couvercle, et un bloc moteur comprenant un boîtier monté de manière amovible sur le couvercle et renfermant un moteur électrique dont l'arbre de sortie est adapté à venir s'accoupler avec l'arbre portant le couteau.HOUSEHOLD APPLIANCE WITH ROTARY KNIFE, SUCH AS A MINCER
The present invention relates to household appliances, such as choppers, comprising a bowl which is closed by a removable cover and in which extends vertically a rotary shaft whose lower end carries a knife and is engaged in a bearing mounted fixed on the bottom of the bowl, and the upper end of which protrudes from the cover, and an engine block comprising a housing removably mounted on the cover and enclosing an electric motor whose output shaft is adapted to be coupled with the tree carrying the knife.
On sait que de tels appareils ménagers, qualifiés de petits préparateurs culinaires, sont particulièrement efficaces notamment pour hacher, mixer et émulsionner les matières alimentaires. It is known that such household appliances, qualified as small food preparers, are particularly effective in particular for chopping, mixing and emulsifying food materials.
Dans des appareils connus de ce genre, il arrive que, lorsque l'utilisateur retire le bloc moteur en fin d'opération de préparation des aliments, le couteau continue à tourner pendant quelques instants par effet d'inertie de l'arbre qui le porte. Si l'utilisateur enlève alors le couvercle du bol, il peut se présenter pour lui un risque de blessure. In known devices of this kind, it happens that, when the user removes the engine block at the end of the food preparation operation, the knife continues to rotate for a few moments due to the inertia effect of the shaft which carries it . If the user then removes the bowl cover, he may present himself with a risk of injury.
Compte tenu de l'existence de ce risque, il a été défini pour ces appareils ménagers à couteau rotatif, tels que des hachoirs, une norme de sécurité selon laquelle, par suite du retrait du bloc moteur alimenté, le couvercle ne doit pouvoir être enlevé qu'après un temps d'arrêt garanti du couteau, en l'occurrence 1,5 seconde. Given the existence of this risk, it has been defined for these household appliances with a rotary knife, such as mincers, a safety standard according to which, following the withdrawal of the powered engine block, the cover must not be able to be removed only after a guaranteed stopping time of the knife, in this case 1.5 seconds.
L'invention se propose, par suite, de réaliser d'une manière simple et efficace un appareil ménager répondant parfaitement aux exigences de cette norme de sécurité. The invention therefore proposes to produce in a simple and efficient manner a household appliance which perfectly meets the requirements of this safety standard.
Selon l'invention, ce résultat est atteint grâce au fait que l'appareil ménager, du type exposé ci-dessus, comporte de plus des moyens de verrouillage/ déverrouillage du couvercle par rapport au bol qui sont adaptés à définir un chemin de verrouillage/déverrouillage propre à autoriser, par suite du retrait du bloc moteur en fin d'opération de préparation des aliments, l'enlèvement du couvercle qu'après l'arrêt complet du couteau. According to the invention, this result is achieved thanks to the fact that the household appliance, of the type described above, further comprises means for locking / unlocking the cover relative to the bowl which are adapted to define a locking path / unlocking suitable for authorizing, following the removal of the engine block at the end of the food preparation operation, the removal of the cover only after the knife has completely stopped.
On comprend qu'en définissant un chemin ou trajet de déverrouillage du couvercle par rapport au bol qui soit suffisamment long et au cours duquel, avant la fin du déverrouillage complet du couvercle, le couteau s'arrête de lui-même après retrait du bloc moteur, l'utilisateur enlèvera alors complètement le couvercle en toute sécurité, la norme de sécurité susmentionnée étant ainsi pleinement satisfaite. It is understood that by defining a path or path for unlocking the cover relative to the bowl which is sufficiently long and during which, before the end of the complete unlocking of the cover, the knife stops itself after removal of the engine block , the user will then remove the cover completely safely, the aforementioned safety standard being thus fully satisfied.
Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui va suivre, à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels
- la figure 1 est une vue schématique en coupe verticale d'un mode de réalisation d'un appareil ménager en fonctionnement selon l'invention ;
- la figure 2 est une vue analogue a la figure 1, mais montrant un bloc moteur en position retirée, un couvercle enlevé complètement et un bol dans lequel le couteau est à l'arrêt complet
- la figure 3 est une vue schématique en coupe verticale d'une variante d'exécution d'un appareil ménager en fonctionnement selon l'invention ; et
- la figure 4 est une vue analogue à la figure 3, mais montrant un bloc moteur en position retirée, un couvercle enlevé complètement et un bol dans lequel le couteau est à l'arrêt complet.The characteristics and advantages of the invention will become apparent from the description which follows, by way of nonlimiting example, with reference to the accompanying drawings in which
- Figure 1 is a schematic view in vertical section of an embodiment of a household appliance in operation according to the invention;
- Figure 2 is a view similar to Figure 1, but showing an engine block in the withdrawn position, a cover removed completely and a bowl in which the knife is stopped completely
- Figure 3 is a schematic view in vertical section of an alternative embodiment of a household appliance in operation according to the invention; and
- Figure 4 is a view similar to Figure 3, but showing an engine block in the withdrawn position, a cover removed completely and a bowl in which the knife is stopped completely.
L'appareil ménager 10 représenté schématiquement aux figures 1 et 3 est un petit hachoir de forme générale cylindrique d'axe XX'. Il comporte un bol de travail 11 qui est fermé par un couvercle amovible 13 et dans lequel s'etend verticalement, selon l'axe XX', un arbre rotatif 15 qui est pourvu latéralement de larges nervures verticales de brassage 17, et dont l'extrémité inférieure 19, d'une part, est engagée de manière amovible dans un palier cylindrique 22 axé sur l'axe XX' et monté fixe sur la paroi de fond 24 du bol 11, et d'autre part, porte un couteau surmoulé 25, par exemple à deux lames. The household appliance 10 shown diagrammatically in FIGS. 1 and 3 is a small chopper of generally cylindrical shape with an axis XX ′. It comprises a working bowl 11 which is closed by a removable cover 13 and in which extends vertically, along the axis XX ', a rotary shaft 15 which is laterally provided with large vertical stirring ribs 17, and the lower end 19, on the one hand, is removably engaged in a cylindrical bearing 22 centered on the axis XX 'and fixedly mounted on the bottom wall 24 of the bowl 11, and on the other hand, carries a molded knife 25 , for example with two blades.
L'extrémité supérieure 28 de l'arbre 15 fait librement saillie à travers une ouverture 30 pratiquée dans la face supérieure 32 du couvercle 13.The upper end 28 of the shaft 15 projects freely through an opening 30 made in the upper face 32 of the cover 13.
D'une manière connue en soi, l'arbre 15 et ses nervures de brassage 17 sont réalisés en une matière plastique propre à un contact avec les matières alimentaires contenues dans le bol. In a manner known per se, the shaft 15 and its stirring ribs 17 are made of a plastic material suitable for contact with the food materials contained in the bowl.
Le hachoir 10, figures 1 et 3, comporte en outre un bloc moteur 34 comprenant un boîtier 36 monté de manière amovible autour d'une collerette circulaire 38 formée sur la face supérieure 32 du couvercle 13 et renfermant un moteur électrique illustré schématiquement en 40 sur les figures 1 et 3, dont l'arbre de sortie 41 est adapté à s'accoupler coaxialement avec l'arbre 15 par l'intermédiaire d'un entraîneur 43 solidaire dudit arbre 41 et débouchant sur le fond 45 du boîtier 36. The chopper 10, Figures 1 and 3, further comprises an engine block 34 comprising a housing 36 removably mounted around a circular flange 38 formed on the upper face 32 of the cover 13 and containing an electric motor illustrated schematically at 40 on FIGS. 1 and 3, the output shaft 41 of which is adapted to couple coaxially with the shaft 15 by means of a driver 43 secured to said shaft 41 and opening onto the bottom 45 of the housing 36.
Sur les figures 1 et 3, on a symbolisé par les deux flèches F et G les mouvements de rotation respectifs de l'arbre de sortie 41 du moteur 40 et de l'arbre 15 portant le couteau 25. In FIGS. 1 and 3, the two arrows F and G symbolize the respective rotational movements of the output shaft 41 of the motor 40 and of the shaft 15 carrying the knife 25.
Selon l'invention, le hachoir comporte de plus des moyens de verrouillage/déverrouillage du couvercle 13 par rapport au bol 11 qui sont adaptés à définir un chemin de verrouillage/déverrouillage propre à autoriser, par suite du retrait du bloc moteur 34 en fin d'opération de préparation des aliments, l'enlèvement du couvercle 13 qu'après l'arrêt complet du couteau 25. According to the invention, the chopper further comprises means for locking / unlocking the cover 13 relative to the bowl 11 which are adapted to define a locking / unlocking path suitable for authorizing, following the withdrawal of the engine block 34 at the end of 'food preparation operation, removing the cover 13 until the knife 25 has stopped completely.
Dans une réalisation préférée illustrée aux figures 1 et 2, les moyens de verrouillage/déverrouillage du couvercle 13 par rapport au bol 11 sont des moyens de vissage, le couvercle 13 comportant à cet effet une nervure hélicoïdale 48 formée sur sa paroi latérale externe cylindrique 13a et la paroi latérale interne cylindrique îla du bol 11 comportant une rainure hélicoïdale filetée 49 de forme complémentaire à la nervure 48. In a preferred embodiment illustrated in FIGS. 1 and 2, the means for locking / unlocking the cover 13 relative to the bowl 11 are screwing means, the cover 13 comprising for this purpose a helical rib 48 formed on its cylindrical external lateral wall 13a and the cylindrical internal side wall 11 of the bowl 11 comprising a threaded helical groove 49 of shape complementary to the rib 48.
Le filetage hélicoïdal 51 de la rainure 49 du bol 11, figure 2, présente une longueur développée appropriée pour que l'utilisateur, en fin d'opération de préparation des aliments comme illustré à la figure 1 et après retrait du bloc moteur 34, c'est-à-dire après désaccouplement des deux arbres 15 et 41 comme montré à la figure 2, puisse enlever complètement le couvercle 13 uniquement lorsque l'arbre 15 portant le couteau 25 s'arrête de tourner de lui-même, l'alimentation du moteur 40 étant coupée (voir figure 2). The helical thread 51 of the groove 49 of the bowl 11, FIG. 2, has an appropriate developed length so that the user, at the end of the food preparation operation as illustrated in FIG. 1 and after removal of the engine block 34, c '' i.e. after uncoupling of the two shafts 15 and 41 as shown in Figure 2, can completely remove the cover 13 only when the shaft 15 carrying the knife 25 stops turning by itself, the power supply of the motor 40 being cut off (see FIG. 2).
Dans une variante d'exécution illustrée aux figures 3 et 4, les moyens de verrouillage/déverrouillage du couvercle 13 par rapport au bol 11 sont constitués par au moins un verrou du type à baïonnette 53 définissant un parcours, noté 54 sur la figure 3, dont le développement est sensiblement en forme de S. De préférence, le bol 11 et le couvercle 13 sont fixés l'un à l'autre au moyen de deux verrous à baïonnette 53 diamètralement opposés. In an alternative embodiment illustrated in FIGS. 3 and 4, the means for locking / unlocking the cover 13 relative to the bowl 11 are constituted by at least one lock of the bayonet type 53 defining a path, noted 54 in FIG. 3, whose development is substantially S-shaped. Preferably, the bowl 11 and the cover 13 are fixed to each other by means of two diametrically opposite bayonet latches 53.
Comme le montrent les figures 3 et 4, chaque verrou à baïonnette 53 comporte un ergot 55 formé à la base de la paroi latérale cylindrique 13a du couvercle 13 et destiné à s'encliqueter dans un cran approprié 56 du parcours en S, formé en bordure supérieure de la paroi latérale cylindrique lla du bol 11. As shown in Figures 3 and 4, each bayonet lock 53 has a lug 55 formed at the base of the cylindrical side wall 13a of the cover 13 and intended to snap into an appropriate notch 56 of the S-shaped path, formed at the edge upper side of the cylindrical side wall 11a of the bowl 11.
Le parcours 54 de chaque verrou à baïonnette 53, figure 3, est suffisamment long et nécessite plusieurs manoeuvres de la part de l'utilisateur pour que ce dernier, en fin d'opération de préparation des aliments comme illustré à la figure 3 et après retrait du bloc moteur 34 (figure 4), puisse déverrouiller complètement le couvercle 13 uniquement lorsque l'arbre 15 portant le couteau 25 s'arrête de tourner de lui-même, l'alimentation du moteur étant coupée (voir figure 4). The path 54 of each bayonet lock 53, FIG. 3, is sufficiently long and requires several operations on the part of the user so that the latter, at the end of the food preparation operation as illustrated in FIG. 3 and after removal of the motor unit 34 (FIG. 4), can completely unlock the cover 13 only when the shaft 15 carrying the knife 25 stops turning by itself, the power supply to the motor being cut off (see FIG. 4).
On a donc réalisé suivant l'invention un appareil ménager, tel qu'un hachoir, comportant des moyens appropriés de verrouillage/déverrouillage du couvercle par rapport au bol qui sont particulièrement simples et efficaces sur le plan de la sécurité exigée par la norme pour ce type d'appareil ménager. Thus, according to the invention, a household appliance has been produced, such as a chopper, comprising appropriate means for locking / unlocking the lid with respect to the bowl which are particularly simple and effective in terms of the security required by the standard for this. type of household appliance.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9411969A FR2725383B1 (en) | 1994-10-06 | 1994-10-06 | HOUSEHOLD APPLIANCE WITH ROTARY KNIFE, SUCH AS A MINCER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9411969A FR2725383B1 (en) | 1994-10-06 | 1994-10-06 | HOUSEHOLD APPLIANCE WITH ROTARY KNIFE, SUCH AS A MINCER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2725383A1 true FR2725383A1 (en) | 1996-04-12 |
| FR2725383B1 FR2725383B1 (en) | 1996-11-29 |
Family
ID=9467639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9411969A Expired - Fee Related FR2725383B1 (en) | 1994-10-06 | 1994-10-06 | HOUSEHOLD APPLIANCE WITH ROTARY KNIFE, SUCH AS A MINCER |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2725383B1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1050261A1 (en) * | 1999-05-07 | 2000-11-08 | Chiaphua Industries Limited | Food processing apparatus |
| FR2847145A1 (en) * | 2002-11-14 | 2004-05-21 | Realisation Mecaniques Soc Et | Accessory for the motor unit of a portable food mixer, uses bowl with support for cutter blades and cover for bowl that houses a speed reduction gear between mixer drive motor and cutter blades |
| EP1642518A1 (en) * | 2004-10-01 | 2006-04-05 | Hong-Bae Kim | A domestic making appliance for preparing porridges |
| WO2008047106A1 (en) * | 2006-10-17 | 2008-04-24 | Adrienne Grant | A food processor |
| WO2010112025A1 (en) * | 2009-04-03 | 2010-10-07 | Leifheit Ag | Drive device for driving a working unit |
| CN106175497A (en) * | 2014-10-02 | 2016-12-07 | 株式会社泉精器制作所 | Food processor |
| US9924838B2 (en) | 2014-07-03 | 2018-03-27 | Sharkninja Operations Llc | Food processing apparatus and method |
| CN108814341B (en) * | 2018-08-16 | 2024-03-26 | 深圳市欣誉铭科技有限公司 | Food processing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1053750B (en) * | 1958-06-06 | 1959-03-26 | Siemens Elektrogeraete Gmbh | Coffee grinder with hammer mechanism |
| EP0012976A1 (en) * | 1978-12-22 | 1980-07-09 | Moulinex S.A. | Domestic appliance with rotating knives, such as a chopper or a crusher |
| EP0257705A1 (en) * | 1986-08-23 | 1988-03-02 | Philips Patentverwaltung GmbH | Small electric domestic appliance with a rotating knife |
| EP0529287A2 (en) * | 1991-08-28 | 1993-03-03 | Braun Aktiengesellschaft | Comminuting device for an electrical kitchen appliance |
-
1994
- 1994-10-06 FR FR9411969A patent/FR2725383B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1053750B (en) * | 1958-06-06 | 1959-03-26 | Siemens Elektrogeraete Gmbh | Coffee grinder with hammer mechanism |
| EP0012976A1 (en) * | 1978-12-22 | 1980-07-09 | Moulinex S.A. | Domestic appliance with rotating knives, such as a chopper or a crusher |
| EP0257705A1 (en) * | 1986-08-23 | 1988-03-02 | Philips Patentverwaltung GmbH | Small electric domestic appliance with a rotating knife |
| EP0529287A2 (en) * | 1991-08-28 | 1993-03-03 | Braun Aktiengesellschaft | Comminuting device for an electrical kitchen appliance |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1050261A1 (en) * | 1999-05-07 | 2000-11-08 | Chiaphua Industries Limited | Food processing apparatus |
| AU759568B2 (en) * | 1999-05-07 | 2003-04-17 | Chiaphua Industries Limited | Food processing apparatus |
| FR2847145A1 (en) * | 2002-11-14 | 2004-05-21 | Realisation Mecaniques Soc Et | Accessory for the motor unit of a portable food mixer, uses bowl with support for cutter blades and cover for bowl that houses a speed reduction gear between mixer drive motor and cutter blades |
| EP1642518A1 (en) * | 2004-10-01 | 2006-04-05 | Hong-Bae Kim | A domestic making appliance for preparing porridges |
| CN100464679C (en) * | 2004-10-01 | 2009-03-04 | 金弘培 | A domestic making appliance for preparing porridges |
| WO2008047106A1 (en) * | 2006-10-17 | 2008-04-24 | Adrienne Grant | A food processor |
| WO2010112025A1 (en) * | 2009-04-03 | 2010-10-07 | Leifheit Ag | Drive device for driving a working unit |
| CN102368937A (en) * | 2009-04-03 | 2012-03-07 | 利快股份公司 | Drive device for driving work unit |
| CN102368937B (en) * | 2009-04-03 | 2014-10-29 | 利快股份公司 | Drive device for driving work unit |
| US9924838B2 (en) | 2014-07-03 | 2018-03-27 | Sharkninja Operations Llc | Food processing apparatus and method |
| US10869577B2 (en) | 2014-07-03 | 2020-12-22 | Sharkninja Operating Llc | Food processing apparatus and method |
| US11638500B2 (en) | 2014-07-03 | 2023-05-02 | Sharkninja Operating Llc | Food processing apparatus and method |
| CN106175497A (en) * | 2014-10-02 | 2016-12-07 | 株式会社泉精器制作所 | Food processor |
| CN108814341B (en) * | 2018-08-16 | 2024-03-26 | 深圳市欣誉铭科技有限公司 | Food processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2725383B1 (en) | 1996-11-29 |
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