EP2131695B1 - Electrical hairbrush - Google Patents

Electrical hairbrush Download PDF

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Publication number
EP2131695B1
EP2131695B1 EP08787905.2A EP08787905A EP2131695B1 EP 2131695 B1 EP2131695 B1 EP 2131695B1 EP 08787905 A EP08787905 A EP 08787905A EP 2131695 B1 EP2131695 B1 EP 2131695B1
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EP
European Patent Office
Prior art keywords
handle
rod
motor
base
brush according
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.)
Active
Application number
EP08787905.2A
Other languages
German (de)
French (fr)
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EP2131695A2 (en
Inventor
Cédric BONTEMS
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SEB SA
Original Assignee
SEB SA
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Publication date
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Application filed by SEB SA filed Critical SEB SA
Priority to EP11154907.7A priority Critical patent/EP2335515B1/en
Publication of EP2131695A2 publication Critical patent/EP2131695A2/en
Application granted granted Critical
Publication of EP2131695B1 publication Critical patent/EP2131695B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/104—Hair brush

Definitions

  • the present invention relates to a hair shaping apparatus of the type comprising a brush rotated in a support arranged at the outlet of a casing blowing a flow of hot air to achieve shaping of the hair.
  • the document US 3,890,984 discloses such a hairdressing apparatus having a handle housing and enclosing a first drive motor of a fan that draws ambient air from one end of the housing, passes it through a heating element, and then sends it in a central tube of reduced diameter which runs along the housing and is protruding at the other end.
  • the housing also encloses a second motor, arranged in parallel with the first, to ensure the rotational drive of a brush arranged at the end of the housing being rotatably mounted around the air supply tube.
  • the rotating electric brush described in the document EP 1 576 900 provides a solution to this problem by passing the air blown by a motorcycle fan via a heating element of the handle in a hollow shaft support of a rotating brush also driven by a motor of the handle. The air then passes inside a hollow brush body and provided with air outlet orifices uniformly distributed over its surface, which results in a faster shaping of the seized and wound wick by the brush.
  • This apparatus comprising the two motors arranged one behind the other in the handle has the main disadvantage that, because of its location, the drive motor of the brush blocks the passage airflow from the remote fan motorcycle.
  • the device is not very balanced, because all the weight is in the handle, with negative consequences on the ergonomics of the device.
  • an accessory comprising a tubular base extended by a brush portion rotatably mounted on the base and having, at one of its ends, a drive motor in rotation of the brush.
  • the motor is arranged outside the brush and is supported by an inner rod bearing on the tubular base of the accessory.
  • the accessory is mounted at the blower end of a hair dryer.
  • Such a hair dryer generally having a gun shape is difficult to handle when used to achieve the winding of a wick by its end accessory.
  • the arrangement of the motor outside the brush and the arrangement of the guide rod of the motor at the base of the accessory that it has a length significant enough, making it even less easy. use of the device containing it.
  • this apparatus By responding a little better to the requirements of weight balancing, this apparatus however has the disadvantage of a limited use to large diameter brushes, this, on the one hand by the arrangement of the fan wheel in the part upper part of the handle and, on the other hand, by the large diameter of the safety cylinder surrounding the heating element. Moreover, the close arrangement of the heating element and the motor The drive of the brush, on the one hand, complicates the electrical connections of each and, on the other hand, causes a risk of overheating the engine, with consequences on the life of the latter.
  • the protective cylinder being outside the handle, for normative and safety reasons, the air can exit only by a very thin slot of the protection cylinder and from here follows a distribution non-uniform air blown into the accessory and, therefore, into the lock of hair treated.
  • the object of the present invention is to overcome the aforementioned drawbacks and to provide an electric hairbrush capable of sending a uniform and powerful air flow towards the hair to improve the appearance of the treated hair and reduce the hair treatment time, while being able to apply to different lengths of hair, even to short hair and being reliable in operation.
  • Another object of the invention is an electric hair brush capable of achieving good hair shaping, uniform and durable, while being fast and easy to use in operation.
  • Another object of the invention is an electric hair brush that is efficient, simplified structure, compact and can be industrialized for a low cost.
  • the apparatus comprises a longitudinal casing, thus having an elongate shape extending along the longitudinal axis of the apparatus and thus having good ergonomics when used with a rotary accessory arranged at the front end of the handle (Front end includes the end directed towards the hair and opposite that of gripping the handle).
  • a rotary accessory arranged at the front end of the handle (Front end includes the end directed towards the hair and opposite that of gripping the handle).
  • Such an apparatus carries out shaping of the hair by grasping and at least partially winding a wick with a hairdressing accessory of the mandrel type comprising bristles and air outlet openings uniformly distributed over its cylindrical surface, the accessory being rotated by one of the engines of the apparatus, the flow of hot air being blown by the fan driven by another motor of the apparatus and out through the openings of the accessory.
  • the longitudinal housing forming a handle encloses the fan, its drive motor and the heating element, which already makes it possible to obtain a compact and well insulated blowing and heating assembly, closed and permeable only to the passage of the air in the longitudinal direction of the handle, through openings provided for this purpose in the handle.
  • the second driving motor in rotation of a hairdressing accessory is, in turn, connected by at least one rod to the outside of the handle, in the extension thereof, the rod being coaxial or parallel to the longitudinal axis of the handle, the base of the rod being fixed to the handle and extending forwardly by a support portion of the second motor. This allows the air flow out of the longitudinal housing of the handle to arrive at the accessory without being blocked by the drive motor of the latter, which motor is arranged outside the handle.
  • At least one rod one comprises either a central support member or several support pads distributed on the periphery of the handle to hold the second motor, or a support axis eccentric with respect to the longitudinal axis of the handle, while being parallel to it.
  • the term generic engine can also designate a geared motor power supply.
  • the positioning of the engine using the supports for clearing the air outlet opening of the handle thus respects a sufficient emergence of the flow of hot air blown, the engine and its support having a smaller diameter than the cylinder wherein fits the air flow exiting the handle or being arranged at a distance from the air outlet of the handle.
  • motor arranged at a distance from an air outlet opening of the handle one understands either a remote arrangement longitudinally (engine distant along the longitudinal axis of the apparatus), or a remote arrangement radially, thus shifted radially relative to to the longitudinal axis of the handle.
  • Such a motor arranged remotely then makes it possible to significantly release the air outlet along the longitudinal axis of the handle while reducing the pressure drops, for a better drying efficiency, without resorting to prior drying with a hair dryer.
  • the brush comprises a rod coaxial with the handle connected to the latter by its base and extending forwardly by a hollow support part of receiving the second motor.
  • This solution already allows an arrangement of the drive motor of the accessory remote, outside the handle, but in the extension of the longitudinal axis thereof, being supported by a single central rod.
  • This arrangement makes it possible to ensure rotational drive of the accessory around the central axis of the handle, by supporting the motor by the front end of a single central rod, for good ergonomics of the device, while allowing the air flow out of the handle to reach the accessory and out through its orifices evenly distributed on its side surface .
  • the accessory being a hollow mandrel provided with tufts of bristles on its periphery and air outlet openings between the tufts of bristles, the hot air flow out of the handle along the longitudinal axis of the it is distributed in the annular space existing between the accessory and the central rod, and out through the holes of the accessory, without encountering obstacles and without changing direction, so virtually without loss of load.
  • the central rod has a hollow-shaped support portion for receiving the second drive motor therein, this provides better aerodynamics of the rod assembly.
  • the motor is advantageously chosen elongated cylindrical shape and may have a small diameter so as to be inserted inside the support rod. This solution makes it possible to have a motor arranged in the flow of hot air blown by the apparatus, while being thermally insulated, for example being encapsulated in a rod made of an insulating plastic material.
  • the end end of the rod supports a coupling element mounted on the output shaft of the second drive motor of the accessory.
  • Such a coupling element mounted at the end of the rod makes it possible, by coming into engagement with a corresponding coupling element of the accessory, to quickly assemble and disassemble a removable accessory relative to its means of assembly. rotational drive.
  • the accessory engages with the coupling member at one of its ends, the opposite end being guided in rotation by a cylindrical portion of the base of the rod.
  • the base of the rod has a cylindrical portion having a first diameter comparable to that of the handle, the base being connected to a perforated intermediate portion which is extended by a support portion having a second diameter smaller than the first.
  • the base of the rod is secured to the handle, its cylindrical shape also allowing to guide the rotation of the accessory.
  • the passage between the attachment base to the handle and the central support portion of the rod is via an intermediate portion provided with openings for passage of air flow from the handle.
  • said intermediate portion is formed of several arches.
  • the perforated intermediate portion has internal walls and the support portion has a leading portion having a shape inclined in the direction of the air flow.
  • the heating element is arranged inside a sheath coaxial with the handle whose air outlet end is directly in communication with the base of the rod.
  • Such a sleeve allows to channel the hot air to the outlet of the handle where the sleeve comes to branch with the base of the support rod which performs a good transfer of the air flow inside of an accessory, without loss of load for a better efficiency of the drying.
  • the first motor and the second motor are arranged substantially at equal distance from the air outlet opening of the handle.
  • the values of the air passage section inside the accessory when mounted on the rod gradually decrease towards the top of the rod.
  • said rod is removably mounted relative to the handle.
  • the base of the rod comprises a tubular portion for fixing and guiding the handle.
  • Such a peripheral tubular portion provided with, for example, bayonet or screw fixing means with respect to the handle leaves an important passage for the flow of air coming from the handle of the brush, while having a cylindrical guide portion to provide good flexural strength of the end biased rod.
  • the rod carries electrical connectors supplying the drive motor of the accessory cooperating with electrical connectors of the handle.
  • the electrical contact is advantageously established when the rod is completely locked or plugged on the handle, while maintaining an optimal size and a good passage of the air flow between the handle and the support rod of the accessory.
  • the electrical shaping apparatus of the invention in particular an electric hairbrush 1 is shown in a simplified sectional view at the figure 1 and comprises a housing 2 forming a handle 3 extended forwards by a hairdressing accessory 11.
  • the handle 3 encloses air circulation means between an air inlet opening 9, through a filter 8, opening located at the remote end of the accessory 11 and an air outlet opening 10 located near the accessory 11.
  • the housing 2 of the handle 3 encloses, between its air intake openings 9 and the air outlet openings 10, a fan 7 advantageously located in the vicinity of the filter 8, rotated by a first electric motor 6 in the extension of which is arranged a heating element 5.
  • the heating element 5 is located inside a sheath 36 (FIG. Fig. 1 ) or, in the embodiment-illustrated at Figures 2a and 2b , the fan 7, its drive motor 6 and the heating element 5 are all arranged inside the sheath 36.
  • the hot air blown by the handle and channeled through the sheath 36 exits through one end 37 of the sheath 36 and arrives within a hollow body of the accessory 11.
  • the accessory 11 has a cylindrical tubular guide portion extending forwards through a cylindrical tubular active portion 16.
  • the active part 16 is provided with bristles 17 and air outlet orifices 18 uniformly distributed over its surface ( fig.2a ).
  • the electric hairbrush 1 comprises a second electric drive motor 14 of the accessory 11, which motor is connected by a rod 20 to the air outlet end 10 of the handle 3.
  • engine 14 is mounted at an end or top 22 of the rod 20 which is connected by its base 21 to the handle 3 being coaxial therewith.
  • the motor 14 is indeed a gear motor assembly that provides rotational drive of the accessory at the speed and torque required in operation.
  • the rod 20 is an assembly comprising the cylindrical tubular base 21 having a diameter close to that inside the handle to which it is attached.
  • the base 21 is extended forward by an intermediate portion 23 openwork, part which is made by joining several arches 27 ( Fig. 3a, 3b ) of ogival shape forming two by two an opening 26 of air passage.
  • the arches 27 are arranged around the base 21, the top of the arches resting on a cylindrical support portion 24 of the rod 20.
  • the inner walls 28 of the intermediate part 23, as well as the leading portion 29 of the support part 24 have a shape inclined in the direction of passage of the air flow blown by the handle (see the direction of the arrows in Fig. 2b ) to provide better aerodynamics to the parts of the rod located in the airflow.
  • the support portion 24 of the rod 20 has a hollow body 30 ( fig.2b ) supporting the motor 14 at the front, the rear part of the body being closed in order to ensure good thermal insulation of the motor 14.
  • the support portion 24 has a front portion 31 having an internal diameter identical to that of the motor 14, for example between 10 and 18 mm.
  • the front portion extends towards the intermediate portion 23 by a rear portion 32 of smaller diameter than that of the front portion 31.
  • the rear portion 32 has a plurality of ribs 33 on its periphery giving it more rigidity.
  • the ribs 33 are in the extension of the amounts of the arches 27.
  • the rod 20 may advantageously be made of a plastic material by an injection technique.
  • the base 21 of the rod 20 has an outer cylindrical portion 25 which serves as a rotating guide zone for the inner surface of the guide portion 15 of the accessory 11.
  • the top 22 of the rod 20 comprises a coupling element 40 comprising on the one hand a buffer 41 fixed at one of its ends on the output shaft 42 of the motor 14 and, on the other hand, splines 43 coming from mesh with corresponding grooves 44 inside a coupling portion 39 of the accessory 11.
  • the body of the rod 20 is advantageously made of a plastic material, for example polypropylene, by an injection technique.
  • the rod 20 is fixed with its base 21 in a non-removable manner to the housing 2 of the handle 3, in particular at the air outlet 37 of the sleeve 36.
  • the rod 20 is removably mounted relative to the housing 2 of the handle 3.
  • a rod 20 is better visible at Figures 3a and 3b where the base 21 has a tubular portion 46 provided with bayonets 47 closing on pins 48 ( Fig. 1 , Fig. 2b ) provided for this purpose on the housing body 2 of the handle 3.
  • Such a removable rod is provided with electrical power supply connectors 50 of the motor 14, the connectors 50 being preferably arranged on the inner surface of the tubular portion 25 and engage with electrical connectors 51 ( Fig. 1 ) corresponding handle 3.
  • the rod 20 is removably mounted at its support portion 24.
  • the base 21 and the intermediate portion 23 are fixedly mounted on the handle 3, a protruding central portion projecting into the axis of the handle and having the plugs of the electrical connectors 51 supply.
  • the support portion 24 of the rod 20 is plugged with corresponding electrical connectors 50 at the end of the central portion of the handle.
  • the user puts the rod 20 on the handle 3 by turning until the lugs 48 arrive at the bottom of the bayonets 47 and that the electrical contact is established between the connectors 50 and 51. Then, she chooses an accessory 11 having the characteristics according to the desired shaping (diameter, type of bristles, etc.) that it engages the splines 43 of the coupling element 40 at the top 22 of the rod 20.
  • the apparatus is now ready to operate, the user actuates a button 52 for starting the first motor 6 which allows the flow of hot air out through the openings 18 of the accessory 11.
  • a button 53 can be provided to cut the power supply to the heating element 5 for treatment with air at room temperature.
  • a button 54 may also be provided to turn on an ion generator and enrich the flow of air blown by the handle with ions.
  • actuating a button 55 the user then turns on the second drive motor 14 of the accessory 11, which then begins to rotate to form the shaping of the hairstyle.
  • This button also makes it possible to reverse the direction of rotation of the motor 14 or to vary its
  • the user can carry out prior drying of the hair by mounting a nozzle-like or diffuser-type accessory provided with a bayonet attachment to the air outlet of the handle 3.
  • Such an electric hairbrush construction makes it possible to use a powerful heating element to have good drying efficiency, while allowing the powerful airflow to reach the end 19 of the accessory 11 without loss of load. ventilation.

Landscapes

  • Cleaning And Drying Hair (AREA)
  • Brushes (AREA)

Description

La présente invention concerne un appareil de mise en forme des cheveux du type comportant une brosse entraînée en rotation dans un support agencé à la sortie d'un boîtier soufflant un flux d'air chaud pour réaliser une mise en forme des cheveux.The present invention relates to a hair shaping apparatus of the type comprising a brush rotated in a support arranged at the outlet of a casing blowing a flow of hot air to achieve shaping of the hair.

Le document US 3 890 984 décrit un tel appareil de coiffure comportant un boîtier formant poignée et renfermant un premier moteur d'entraînement d'un ventilateur qui aspire l'air ambiant de l'une des extrémités du boîtier, le passe à travers un élément chauffant, puis l'envoie dans un tube central de diamètre réduit qui longe le boîtier et est protubérant à l'autre extrémité. Le boîtier renferme également un deuxième moteur, agencé en parallèle avec le premier, pour assurer l'entraînement en rotation d'une brosse agencée à l'extrémité du boîtier en étant montée rotative autour du tube d'amenée d'air. Tout en utilisant une solution complexe d'entraînement et de guidage en rotation de la brosse autour du tube central d'amenée d'air, on remarque également que l'air ne sort que par une fente fine sur un côté du tube central avant de pénétrer à l'intérieur de la brosse rotative, ce qui pénalise l'efficacité et l'uniformité de la mise en forme de la chevelure. Par ailleurs, un tel boîtier de poignée renfermant deux moteurs s'avère lourd et difficile à manipuler.The document US 3,890,984 discloses such a hairdressing apparatus having a handle housing and enclosing a first drive motor of a fan that draws ambient air from one end of the housing, passes it through a heating element, and then sends it in a central tube of reduced diameter which runs along the housing and is protruding at the other end. The housing also encloses a second motor, arranged in parallel with the first, to ensure the rotational drive of a brush arranged at the end of the housing being rotatably mounted around the air supply tube. While using a complex solution for driving and guiding the brush around the central air supply tube, it is also noted that the air only exits through a thin slot on one side of the central tube before penetrate inside the rotating brush, which penalizes the efficiency and the uniformity of the shaping of the hair. Moreover, such a handle housing containing two motors is heavy and difficult to handle.

La brosse électrique rotative décrite dans le document EP 1 576 900 apporte une solution à ce problème en faisant passer l'air soufflé par un moto ventilateur via un élément chauffant de la poignée dans un arbre creux de support d'une brosse rotative entraînée également par un moteur de la poignée. L'air passe ensuite à l'intérieur d'un corps de brosse creux et muni d'orifices de sortie d'air uniformément répartis sur sa surface, ce qui a pour effet une mise en forme plus rapide de la mèche saisie et enroulée par la brosse. Cet appareil comportant les deux moteurs agencés l'un derrière l'autre dans la poignée a pour principal inconvénient le fait que, de par son emplacement, le moteur d'entraînement de la brosse fait barrage au passage du flux d'air en provenance du moto ventilateur distant. De surcroît, l'appareil n'est pas très équilibré, car tout le poids se trouve dans la poignée, avec des conséquences négatives sur l'ergonomie de l'appareil.The rotating electric brush described in the document EP 1 576 900 provides a solution to this problem by passing the air blown by a motorcycle fan via a heating element of the handle in a hollow shaft support of a rotating brush also driven by a motor of the handle. The air then passes inside a hollow brush body and provided with air outlet orifices uniformly distributed over its surface, which results in a faster shaping of the seized and wound wick by the brush. This apparatus comprising the two motors arranged one behind the other in the handle has the main disadvantage that, because of its location, the drive motor of the brush blocks the passage airflow from the remote fan motorcycle. In addition, the device is not very balanced, because all the weight is in the handle, with negative consequences on the ergonomics of the device.

On connaît également, du document DE 33 19 402 , un accessoire comportant une base tubulaire prolongée par une partie formant brosse montée rotative sur la base et comportant, à l'une de ses extrémités, un moteur d'entraînement en rotation de la brosse. Le moteur est agencé à l'extérieur de la brosse et est supporté par une tige interne prenant appui sur la base tubulaire de l'accessoire. En fonctionnement, l'accessoire est monté à l'extrémité soufflante d'un sèche-cheveux. Un tel sèche-cheveux ayant généralement une forme de pistolet s'avère difficile à manipuler lors de son utilisation pour réaliser l'enroulement d'une mèche par son accessoire d'extrémité. Par ailleurs, l'agencement du moteur à l'extérieur de la brosse et l'agencement du guidage de la tige du moteur à la base de l'accessoire font que celui-ci présente une longueur assez importante, rendant encore moins aisée l'utilisation de l'appareil le comportant.It is also known from the document DE 33 19 402 , an accessory comprising a tubular base extended by a brush portion rotatably mounted on the base and having, at one of its ends, a drive motor in rotation of the brush. The motor is arranged outside the brush and is supported by an inner rod bearing on the tubular base of the accessory. In operation, the accessory is mounted at the blower end of a hair dryer. Such a hair dryer generally having a gun shape is difficult to handle when used to achieve the winding of a wick by its end accessory. Furthermore, the arrangement of the motor outside the brush and the arrangement of the guide rod of the motor at the base of the accessory that it has a length significant enough, making it even less easy. use of the device containing it.

Une autre solution a été proposée dans le document WO 2005/018372 qui décrit le préambule de la revendication 1.Another solution has been proposed in the document WO 2005/018372 which describes the preamble of claim 1.

En répondant un peu mieux aux exigences d'équilibrage des masses, cet appareil présente toutefois le désavantage d'une utilisation limitée à des brosses de grand diamètre, ceci, d'une part de par l'agencement de la roue de ventilateur en la partie supérieure de la poignée et, d'autre part, de par le diamètre important du cylindre de sécurité entourant l'élément chauffant. Par ailleurs, l'agencement rapproché de l'élément chauffant et du moteur d'entraînement de la brosse, d'une part, complique les connexions électriques de chacun et, d'autre part, provoque un risque d'échauffement du moteur, avec des conséquences sur la durée de vie de ce dernier. De surcroît, le cylindre de protection se trouvant à l'extérieur de la poignée, pour des raisons normatives et de sécurité, l'air ne peut sortir que par une fente très fine du cylindre de protection et d'ici s'ensuit une répartition non uniforme de l'air soufflé dans l'accessoire et, par conséquent, dans la mèche de cheveux traitée.By responding a little better to the requirements of weight balancing, this apparatus however has the disadvantage of a limited use to large diameter brushes, this, on the one hand by the arrangement of the fan wheel in the part upper part of the handle and, on the other hand, by the large diameter of the safety cylinder surrounding the heating element. Moreover, the close arrangement of the heating element and the motor The drive of the brush, on the one hand, complicates the electrical connections of each and, on the other hand, causes a risk of overheating the engine, with consequences on the life of the latter. In addition, the protective cylinder being outside the handle, for normative and safety reasons, the air can exit only by a very thin slot of the protection cylinder and from here follows a distribution non-uniform air blown into the accessory and, therefore, into the lock of hair treated.

In est connu aussi du documentIn is also known from the document JP2004-254897JP2004-254897 divulguant une brosse soufflante rotative avec deux moteurs. Le premier moteur agencé dans la poignée sert à produire un flux d'air le deuxième moteur agencé dans la brosse sert à entraîner en rotation la brosse. La brosse est attachée à demeure au deuxième moteur par un moyen de fixation.disclosing a rotary blower with two motors. The first motor arranged in the handle is used to produce a flow of air the second motor arranged in the brush serves to rotate the brush. The brush is permanently attached to the second motor by a fastening means.

Le but de la présente invention est de remédier aux inconvénients précités et de proposer une brosse à cheveux électrique apte à envoyer un flux d'air uniforme et puissant en direction des cheveux afin d'améliorer l'aspect de la chevelure traitée et de réduire le temps de traitement des cheveux, tout en pouvant s'appliquer à différentes longueurs de cheveux, même à des cheveux courts et en étant fiable en fonctionnement.The object of the present invention is to overcome the aforementioned drawbacks and to provide an electric hairbrush capable of sending a uniform and powerful air flow towards the hair to improve the appearance of the treated hair and reduce the hair treatment time, while being able to apply to different lengths of hair, even to short hair and being reliable in operation.

Un autre but de l'invention est une brosse à cheveux électrique apte à réaliser une bonne mise en forme des cheveux, uniforme et durable, tout en étant d'une utilisation rapide et aisée en fonctionnement.Another object of the invention is an electric hair brush capable of achieving good hair shaping, uniform and durable, while being fast and easy to use in operation.

Un autre but de l'invention est une brosse à cheveux électrique qui soit efficace, de structure simplifiée, compacte et pouvant être industrialisée pour un faible coût.Another object of the invention is an electric hair brush that is efficient, simplified structure, compact and can be industrialized for a low cost.

Ces buts sont atteints avec une brosse à cheveux électrique selon la revendication 1. These goals are achieved with an electric hairbrush according to claim 1.

L'appareil comporte un boîtier longitudinal, ayant donc une forme allongée en s'étendant selon l'axe longitudinal de l'appareil et présentant ainsi une bonne ergonomie lors de l'utilisation avec un accessoire rotatif agencé à l'extrémité avant de la poignée (par extrémité avant on comprend l'extrémité dirigée vers les cheveux et opposée à celle de préhension de la poignée). Un tel appareil réalise une mise en forme des cheveux par saisie et enroulement au moins partiel d'une mèche avec un accessoire de coiffure du type mandrin comportant des soies et des ouvertures de sortie d'air uniformément réparties sur sa surface cylindrique, l'accessoire étant mis en rotation par l'un des moteurs de l'appareil, le flux d'air chaud étant soufflé par le ventilateur entraîné par un autre moteur de l'appareil et sort par les ouvertures de l'accessoire.The apparatus comprises a longitudinal casing, thus having an elongate shape extending along the longitudinal axis of the apparatus and thus having good ergonomics when used with a rotary accessory arranged at the front end of the handle (Front end includes the end directed towards the hair and opposite that of gripping the handle). Such an apparatus carries out shaping of the hair by grasping and at least partially winding a wick with a hairdressing accessory of the mandrel type comprising bristles and air outlet openings uniformly distributed over its cylindrical surface, the accessory being rotated by one of the engines of the apparatus, the flow of hot air being blown by the fan driven by another motor of the apparatus and out through the openings of the accessory.

Selon l'invention, le boîtier longitudinal formant poignée renferme le ventilateur, son moteur d'entraînement et l'élément chauffant, ce qui permet déjà d'obtenir un ensemble soufflant et chauffant compact et bien isolé, fermé et perméable uniquement au passage de l'air dans le sens longitudinal de la poignée, par des ouvertures prévues à cet effet dans la poignée. Selon l'invention également, le deuxième moteur d'entraînement en rotation d'un accessoire de coiffure se trouve, lui, relié par au moins une tige à l'extérieur de la poignée, dans le prolongement de celle-ci, la tige étant coaxiale ou parallèle à l'axe longitudinal de la poignée, la base de la tige étant fixée à la poignée et se prolongeant vers l'avant par une partie de support du deuxième moteur. Ceci permet au flux d'air sortant du boîtier longitudinal de la poignée d'arriver à l'accessoire sans qu'il soit bloqué par le moteur d'entraînement de ce dernier, moteur qui est agencé à l'extérieur de la poignée.According to the invention, the longitudinal housing forming a handle encloses the fan, its drive motor and the heating element, which already makes it possible to obtain a compact and well insulated blowing and heating assembly, closed and permeable only to the passage of the air in the longitudinal direction of the handle, through openings provided for this purpose in the handle. According to the invention also, the second driving motor in rotation of a hairdressing accessory is, in turn, connected by at least one rod to the outside of the handle, in the extension thereof, the rod being coaxial or parallel to the longitudinal axis of the handle, the base of the rod being fixed to the handle and extending forwardly by a support portion of the second motor. This allows the air flow out of the longitudinal housing of the handle to arrive at the accessory without being blocked by the drive motor of the latter, which motor is arranged outside the handle.

Par au moins une tige, on comprend soit un organe central de support, soit plusieurs plots de support répartis sur la périphérie de la poignée pour maintenir le deuxième moteur, soit un axe de support excentré par rapport à l'axe longitudinal de la poignée, tout en étant parallèle à celui-ci. Le terme générique moteur peut également désigner un moto-réducteur à alimentation électrique.By at least one rod, one comprises either a central support member or several support pads distributed on the periphery of the handle to hold the second motor, or a support axis eccentric with respect to the longitudinal axis of the handle, while being parallel to it. The term generic engine can also designate a geared motor power supply.

Le positionnement du moteur à l'aide des supports permettant de dégager l'ouverture de sortie d'air de la poignée respecte donc une émergence suffisante du flux d'air chaud soufflé, le moteur et son support présentant un diamètre inférieur à celui du cylindre dans lequel s'inscrit le flux d'air sortant de la poignée ou étant agencé à distance de la sortie d'air de la poignée. Par moteur agencé à distance d'une ouverture de sortie d'air de la poignée, on comprend soit un agencement distant longitudinalement (moteur distant selon l'axe longitudinal de l'appareil), soit un agencement distant radialement, donc décalé radialement par rapport à l'axe longitudinal de la poignée. Un tel moteur agencé à distance permet alors de dégager de manière significative la sortie d'air selon l'axe longitudinal de la poignée tout en réduisant les pertes de charge, pour une meilleure efficacité du séchage, sans avoir recours à un séchage préalable avec un sèche-cheveux.The positioning of the engine using the supports for clearing the air outlet opening of the handle thus respects a sufficient emergence of the flow of hot air blown, the engine and its support having a smaller diameter than the cylinder wherein fits the air flow exiting the handle or being arranged at a distance from the air outlet of the handle. By motor arranged at a distance from an air outlet opening of the handle, one understands either a remote arrangement longitudinally (engine distant along the longitudinal axis of the apparatus), or a remote arrangement radially, thus shifted radially relative to to the longitudinal axis of the handle. Such a motor arranged remotely then makes it possible to significantly release the air outlet along the longitudinal axis of the handle while reducing the pressure drops, for a better drying efficiency, without resorting to prior drying with a hair dryer.

Ceci permet d'obtenir un appareil de coiffure utilisant un élément chauffant puissant, sans être limité par des contraintes normatives ou par le gabarit, tout en pouvant lui adapter un accessoire motorisé de mise en forme de la coiffure. Les avantages offerts par un tel appareil sont de bonnes performances de séchage pour une ergonomie améliorée et un encombrement réduit de l'appareil.This makes it possible to obtain a hairdressing appliance using a powerful heating element, without being limited by normative constraints or by the template, while being able to adapt a motorized hair styling accessory to it. The advantages offered by such a device are good drying performance for improved ergonomics and reduced size of the device.

De préférence, la brosse comporte une tige coaxiale à la poignée reliée à cette dernière par sa base et se prolongeant vers l'avant par une partie de support creuse de réception du deuxième moteur.Preferably, the brush comprises a rod coaxial with the handle connected to the latter by its base and extending forwardly by a hollow support part of receiving the second motor.

Cette solution permet déjà un agencement du moteur d'entraînement de l'accessoire à distance, à l'extérieur de la poignée, mais dans le prolongement de l'axe longitudinal de celle-ci, en étant supporté par une seule tige centrale. Cet agencement permet d'assurer un entraînement en rotation de l'accessoire autour de l'axe central de la poignée, en faisant supporter le moteur par l'extrémité avant d'une seule tige centrale, pour une bonne ergonomie de l'appareil, tout en permettant au flux d'air sortant de la poignée d'atteindre l'accessoire et de sortir par ses orifices uniformément répartis sur sa surface latérale. En effet, l'accessoire étant un mandrin creux muni de touffes de poils sur sa périphérie et d'ouvertures de sortie d'air entre les touffes de poils, le flux d'air chaud sortant de la poignée selon l'axe longitudinal de celle-ci se répartit dans l'espace annulaire existant entre l'accessoire et la tige centrale, et sort par les orifices de l'accessoire, sans rencontrer d'obstacle et sans changer de direction, donc pratiquement sans pertes de charge.This solution already allows an arrangement of the drive motor of the accessory remote, outside the handle, but in the extension of the longitudinal axis thereof, being supported by a single central rod. This arrangement makes it possible to ensure rotational drive of the accessory around the central axis of the handle, by supporting the motor by the front end of a single central rod, for good ergonomics of the device, while allowing the air flow out of the handle to reach the accessory and out through its orifices evenly distributed on its side surface . Indeed, the accessory being a hollow mandrel provided with tufts of bristles on its periphery and air outlet openings between the tufts of bristles, the hot air flow out of the handle along the longitudinal axis of the it is distributed in the annular space existing between the accessory and the central rod, and out through the holes of the accessory, without encountering obstacles and without changing direction, so virtually without loss of load.

Du fait que la tige centrale comporte une partie de support de forme creuse permettant de recevoir à l'intérieur le deuxième moteur d'entraînement, ceci assure un meilleur aérodynamisme de l'ensemble formant tige. En effet, le moteur est avantageusement choisi de forme cylindrique allongée et pouvant présenter un faible diamètre de manière à pouvoir être inséré à l'intérieur de la tige de support. Cette solution permet d'avoir un moteur agencé dans le flux d'air chaud soufflé par l'appareil, tout en étant isolé thermiquement, en étant par exemple encapsulé dans une tige réalisée en un matériau plastique isolant.Because the central rod has a hollow-shaped support portion for receiving the second drive motor therein, this provides better aerodynamics of the rod assembly. Indeed, the motor is advantageously chosen elongated cylindrical shape and may have a small diameter so as to be inserted inside the support rod. This solution makes it possible to have a motor arranged in the flow of hot air blown by the apparatus, while being thermally insulated, for example being encapsulated in a rod made of an insulating plastic material.

Selon l'invention, l'extrémité formant sommet de la tige supporte un élément de couplage monté sur l'arbre de sortie du deuxième moteur d'entraînement de l'accessoire.According to the invention, the end end of the rod supports a coupling element mounted on the output shaft of the second drive motor of the accessory.

Un tel élément de couplage monté à l'extrémité de la tige permet, en venant en prise avec un élément de couplage correspondant de l'accessoire, de réaliser un montage et un démontage rapide d'un accessoire amovible par rapport à son moyen d'entraînement en rotation.Such a coupling element mounted at the end of the rod makes it possible, by coming into engagement with a corresponding coupling element of the accessory, to quickly assemble and disassemble a removable accessory relative to its means of assembly. rotational drive.

De préférence, l'accessoire vient en prise avec l'élément de couplage à l'une de ses extrémités, l'extrémité opposée étant guidée en rotation par une partie cylindrique de la base de la tige.Preferably, the accessory engages with the coupling member at one of its ends, the opposite end being guided in rotation by a cylindrical portion of the base of the rod.

Une telle solution constructive permet d'assurer un bon entraînement et également un bon guidage en rotation de l'accessoire cylindrique entourant la tige de support, lui permettant de tourner même à des valeurs importantes du couple de rotation exercé par la mèche sur l'accessoire.Such a constructive solution ensures a good training and also good guidance in rotation of the cylindrical accessory surrounding the support rod, allowing it to turn even at significant values of the torque exerted by the wick on the accessory.

Selon l'invention, la base de la tige présente une partie cylindrique ayant un premier diamètre comparable à celui de la poignée, la base étant reliée à une partie intermédiaire ajourée qui se prolonge par une partie de support ayant un deuxième diamètre inférieur au premier.According to the invention, the base of the rod has a cylindrical portion having a first diameter comparable to that of the handle, the base being connected to a perforated intermediate portion which is extended by a support portion having a second diameter smaller than the first.

La base de la tige est donc solidaire de la poignée, sa forme cylindrique permettant par ailleurs d'assurer le guidage en rotation de l'accessoire. Le passage entre la base de fixation à la poignée et la partie centrale de support de la tige se fait par une partie intermédiaire munie d'orifices de passage du flux d'air en provenance de la poignée. Cette construction de tige permet alors de préserver et transmettre à l'accessoire un flux d'air chaud et puissant en provenance de la poignée.The base of the rod is secured to the handle, its cylindrical shape also allowing to guide the rotation of the accessory. The passage between the attachment base to the handle and the central support portion of the rod is via an intermediate portion provided with openings for passage of air flow from the handle. This rod construction then makes it possible to preserve and transmit to the accessory a flow of hot and powerful air from the handle.

Selon l'invention, ladite partie intermédiaire est formée de plusieurs arches.According to the invention, said intermediate portion is formed of several arches.

Ceci permet de renforcer la rigidité de la structure de la partie intermédiaire de la tige de support, tout en étant perméable au passage du flux d'air.This reinforces the rigidity of the structure of the intermediate portion of the support rod, while being permeable to the passage of the air flow.

Avantageusement, la partie intermédiaire ajourée comporte des parois internes et la partie de support une partie d'attaque ayant une forme inclinée selon la direction du flux d'air.Advantageously, the perforated intermediate portion has internal walls and the support portion has a leading portion having a shape inclined in the direction of the air flow.

De telles parois inclinées selon la direction du flux d'air opposent très peu de résistance au passage du flux d'air, ce qui permet de diminuer les pertes de charge lorsqu'il passe à l'intérieur de l'accessoire. Dans une variante, on pourrait envisager de remplacer les parois internes inclinées des arches par des parois verticales de fine épaisseur reliées à une paroi transversale ajourée de la partie intermédiaire.Such walls inclined in the direction of the air flow oppose very little resistance to the passage of the air flow, which reduces the pressure drop as it passes inside the accessory. In a variant, it could be envisaged to replace the inclined inner walls of the arches by vertical walls of thin thickness connected to a perforated transverse wall of the intermediate portion.

De préférence, l'élément chauffant est agencé à l'intérieur d'un fourreau coaxial à la poignée dont l'extrémité de sortie d'air est directement mise en communication avec la base de la tige.Preferably, the heating element is arranged inside a sheath coaxial with the handle whose air outlet end is directly in communication with the base of the rod.

Un tel fourreau permet de bien canaliser l'air chaud jusqu'à la sortie de la poignée où le fourreau vient s'embrancher avec la base de la tige de support qui réalise un bon transfert du flux d'air à l'intérieur d'un accessoire, sans pertes de charge pour une meilleure efficacité du séchage.Such a sleeve allows to channel the hot air to the outlet of the handle where the sleeve comes to branch with the base of the support rod which performs a good transfer of the air flow inside of an accessory, without loss of load for a better efficiency of the drying.

Avantageusement, le premier moteur et le deuxième moteur sont agencés sensiblement à distance égale de l'ouverture de sortie d'air de la poignée.Advantageously, the first motor and the second motor are arranged substantially at equal distance from the air outlet opening of the handle.

Ceci permet de bien répartir le poids et bien équilibrer les masses à l'intérieur de l'appareil, pour une meilleure ergonomie, la zone de préhension de l'appareil se situant vers l'extrémité de sortie d'air de la poignée.This allows to distribute the weight and balance the masses inside the device, for better ergonomics, the gripping area of the device to the air outlet end of the handle.

Les valeurs de la section de passage d'air à l'intérieur de l'accessoire lorsqu'il est monté sur la tige diminuent progressivement en direction du sommet de la tige.The values of the air passage section inside the accessory when mounted on the rod gradually decrease towards the top of the rod.

Une telle section d'écoulement d'air progressivement décroissante en partant des ouvertures de la base de la tige vers le sommet de l'accessoire permet de limiter l'échauffement du moteur, ainsi que les pertes de charge vers l'extrémité de la brosse.Such a gradually decreasing air flow section starting from the openings of the base of the rod towards the top of the accessory makes it possible to limit the heating of the motor, as well as the pressure drops towards the end of the brush. .

Dans un mode avantageux de réalisation de l'invention, ladite tige est montée démontable par rapport à la poignée.In an advantageous embodiment of the invention, said rod is removably mounted relative to the handle.

Un tel assemblage démontable de la tige par rapport à la poignée permet d'utiliser la poignée de l'appareil avec d'autres accessoires qui n'ont pas forcément besoin d'être motorisés, tels une buse, un diffuseur pour sécher la coiffure, un mandrin de fer à friser ou à gaufrer, des plaques de lissage, un peigne, un dispositif distribuant un produit cosmétique sur les cheveux, etc. Avantageusement, la base de la tige comporte une partie tubulaire de fixation et de guidage à la poignée.Such a removable assembly of the rod relative to the handle allows to use the handle of the device with other accessories that do not necessarily need to be motorized, such as a nozzle, a diffuser to dry the hairstyle, a mandrel of curling iron or embossing, smoothing plates, a comb, a device dispensing a cosmetic product on the hair, etc. Advantageously, the base of the rod comprises a tubular portion for fixing and guiding the handle.

Une telle partie tubulaire périphérique munie, par exemple de moyens de fixation à baïonnette ou à vis par rapport à la poignée laisse un passage important pour le flux d'air en provenance de la poignée de la brosse, tout en présentant une partie cylindrique de guidage pour offrir une bonne résistance en flexion de la tige sollicitée à l'extrémité.Such a peripheral tubular portion provided with, for example, bayonet or screw fixing means with respect to the handle leaves an important passage for the flow of air coming from the handle of the brush, while having a cylindrical guide portion to provide good flexural strength of the end biased rod.

De préférence, la tige porte des connecteurs électriques d'alimentation du moteur d'entraînement de l'accessoire coopérant avec des connecteurs électriques de la poignée.Preferably, the rod carries electrical connectors supplying the drive motor of the accessory cooperating with electrical connectors of the handle.

Ainsi, le contact électrique est avantageusement établi lorsque la tige est complètement verrouillée ou enfichée sur la poignée, tout en conservant un encombrement optimal et un bon passage du flux d'air entre la poignée et la tige de support de l'accessoire.Thus, the electrical contact is advantageously established when the rod is completely locked or plugged on the handle, while maintaining an optimal size and a good passage of the air flow between the handle and the support rod of the accessory.

L'invention sera mieux comprise à l'étude des modes de réalisation pris à titre nullement limitatif et illustrés dans les figures annexées dans lesquelles :

  • la figure 1 est une vue en coupe simplifiée. d'une brosse à cheveux électrique selon l'invention ;
  • la figure 2a est une vue de côté d'une brosse à cheveux électrique selon l'invention et la figure 2b est une vue en coupe longitudinale réalisée avec le plan A-A de la figure 2a ;
  • la figure 3a est une vue de côté d'une tige de support d'une brosse selon un mode avantageux de réalisation de l'invention et la figure 3b est une vue en perspective de la tige de la figure 3a.
The invention will be better understood with the study of the embodiments taken in no way limiting and illustrated in the accompanying figures in which:
  • the figure 1 is a simplified sectional view. an electric hairbrush according to the invention;
  • the figure 2a is a side view of an electric hairbrush according to the invention and the figure 2b is a longitudinal sectional view taken with the plane AA of the figure 2a ;
  • the figure 3a is a side view of a support rod of a brush according to an advantageous embodiment of the invention and the figure 3b is a perspective view of the stem of the figure 3a .

L'appareil électrique de mise en forme de l'invention, notamment une brosse à cheveux électrique 1 est représenté en une vue en coupe simplifiée à la figure 1 et comprend un boîtier 2 formant une poignée 3 de préhension prolongée vers l'avant par un accessoire de coiffure 11. La poignée 3 renferme des moyens de circulation de l'air entre une ouverture d'entrée d'air 9, à travers un filtre 8, ouverture située à l'extrémité distante de l'accessoire 11 et une ouverture de sortie d'air 10 située à proximité de l'accessoire 11.The electrical shaping apparatus of the invention, in particular an electric hairbrush 1 is shown in a simplified sectional view at the figure 1 and comprises a housing 2 forming a handle 3 extended forwards by a hairdressing accessory 11. The handle 3 encloses air circulation means between an air inlet opening 9, through a filter 8, opening located at the remote end of the accessory 11 and an air outlet opening 10 located near the accessory 11.

Selon l'invention, le boîtier 2 de la poignée 3 renferme, entre ses ouvertures d'entrée d'air 9 et celles de sortie d'air 10, un ventilateur 7 situé de manière avantageuse au voisinage du filtre 8, entraîné en rotation par un premier moteur 6 électrique dans le prolongement duquel est agencé un élément chauffant 5. L'élément chauffant 5 se trouve à l'intérieur d'un fourreau 36 (fig. 1) ou, dans la réalisation-illustrée aux figures 2a et 2b, le ventilateur 7, son moteur d'entraînement 6 et l'élément chauffant 5 sont tous agencés à l'intérieur du fourreau 36. L'air chaud soufflé par la poignée et canalisé par le fourreau 36 sort par une extrémité 37 du fourreau 36 et arrive à l'intérieur d'un corps creux de l'accessoire 11. L'accessoire 11 présente une partie de guidage15 tubulaire cylindrique se prolongeant vers l'avant par une partie active 16 tubulaire cylindrique. La partie active 16 est munie de soies 17 et d'orifices 18 de sortie d'air uniformément répartis sur sa surface (fig.2a).According to the invention, the housing 2 of the handle 3 encloses, between its air intake openings 9 and the air outlet openings 10, a fan 7 advantageously located in the vicinity of the filter 8, rotated by a first electric motor 6 in the extension of which is arranged a heating element 5. The heating element 5 is located inside a sheath 36 (FIG. Fig. 1 ) or, in the embodiment-illustrated at Figures 2a and 2b , the fan 7, its drive motor 6 and the heating element 5 are all arranged inside the sheath 36. The hot air blown by the handle and channeled through the sheath 36 exits through one end 37 of the sheath 36 and arrives within a hollow body of the accessory 11. The accessory 11 has a cylindrical tubular guide portion extending forwards through a cylindrical tubular active portion 16. The active part 16 is provided with bristles 17 and air outlet orifices 18 uniformly distributed over its surface ( fig.2a ).

Selon l'invention, la brosse à cheveux électrique 1 comporte un deuxième moteur 14 électrique d'entraînement de l'accessoire 11, moteur qui est relié par une tige 20 à l'extrémité de sortie d'air 10 de la poignée 3. Ce moteur 14 est monté au niveau d'une extrémité ou sommet 22 de la tige 20 qui est reliée par sa base 21 à la poignée 3 en étant coaxiale à celle-ci. Dans l'exemple représenté, le moteur 14 est en effet un ensemble moto réducteur qui assure l'entraînement en rotation de l'accessoire à la vitesse et au couple requis en fonctionnement.According to the invention, the electric hairbrush 1 comprises a second electric drive motor 14 of the accessory 11, which motor is connected by a rod 20 to the air outlet end 10 of the handle 3. engine 14 is mounted at an end or top 22 of the rod 20 which is connected by its base 21 to the handle 3 being coaxial therewith. In the example shown, the motor 14 is indeed a gear motor assembly that provides rotational drive of the accessory at the speed and torque required in operation.

La tige 20 est un ensemble comportant la base 21 tubulaire cylindrique ayant un diamètre proche de celui interne de la poignée à laquelle elle est fixée. La base 21 se prolonge vers l'avant par une partie intermédiaire 23 ajourée, partie qui est réalisée en réunissant plusieurs arches 27 (fig. 3a,3b) de forme ogivale formant deux à deux une ouverture 26 de passage d'air. Les arches 27 sont agencées autour de la base 21, le sommet des arches prenant appui sur une partie de support 24 de forme cylindrique de la tige 20. Tel que mieux visible aux figures 3a et 3b, les parois internes 28 de la partie intermédiaire 23, ainsi que la partie d'attaque 29 de la partie de support 24 ont une forme inclinée selon la direction de passage du flux d'air soufflé par la poignée (voir le sens des flèches en fig. 2b) pour conférer un meilleur aérodynamisme aux parties de la tige situées dans le flux d'air.The rod 20 is an assembly comprising the cylindrical tubular base 21 having a diameter close to that inside the handle to which it is attached. The base 21 is extended forward by an intermediate portion 23 openwork, part which is made by joining several arches 27 ( Fig. 3a, 3b ) of ogival shape forming two by two an opening 26 of air passage. The arches 27 are arranged around the base 21, the top of the arches resting on a cylindrical support portion 24 of the rod 20. As best seen at Figures 3a and 3b , the inner walls 28 of the intermediate part 23, as well as the leading portion 29 of the support part 24 have a shape inclined in the direction of passage of the air flow blown by the handle (see the direction of the arrows in Fig. 2b ) to provide better aerodynamics to the parts of the rod located in the airflow.

La partie de support 24 de la tige 20 présente un corps creux 30 (fig.2b) supportant à l'avant le moteur 14, la partie arrière du corps étant fermée afin d'assurer une bonne isolation thermique du moteur 14. La partie de support 24 présente une partie avant 31 ayant un diamètre intérieur identique à celui du moteur 14, par exemple compris entre 10 et 18 mm. La partie avant se prolonge en direction de la partie intermédiaire 23 par une partie arrière 32 de diamètre inférieur à celui de la partie avant 31. La partie arrière 32 présente plusieurs nervures 33 sur son pourtour lui conférant plus de rigidité. Les nervures 33 se trouvent dans le prolongement des montants des arches 27.The support portion 24 of the rod 20 has a hollow body 30 ( fig.2b ) supporting the motor 14 at the front, the rear part of the body being closed in order to ensure good thermal insulation of the motor 14. The support portion 24 has a front portion 31 having an internal diameter identical to that of the motor 14, for example between 10 and 18 mm. The front portion extends towards the intermediate portion 23 by a rear portion 32 of smaller diameter than that of the front portion 31. The rear portion 32 has a plurality of ribs 33 on its periphery giving it more rigidity. The ribs 33 are in the extension of the amounts of the arches 27.

La tige 20 peut avantageusement être réalisée en une matière plastique par une technique d'injection.The rod 20 may advantageously be made of a plastic material by an injection technique.

La base 21 de la tige 20 présente une partie cylindrique 25 externe qui sert de zone de guidage en rotation pour la surface interne de la partie de guidage 15 de l'accessoire 11.The base 21 of the rod 20 has an outer cylindrical portion 25 which serves as a rotating guide zone for the inner surface of the guide portion 15 of the accessory 11.

Le sommet 22 de la tige 20 comporte un élément de couplage 40 comprenant d'une part un tampon 41 fixé à l'une de ses extrémités sur l'arbre 42 de sortie du moteur 14 et, d'autre part, des cannelures 43 venant s'engrener avec des cannelures 44 correspondantes à l'intérieur d'une partie de couplage 39 de l'accessoire 11.The top 22 of the rod 20 comprises a coupling element 40 comprising on the one hand a buffer 41 fixed at one of its ends on the output shaft 42 of the motor 14 and, on the other hand, splines 43 coming from mesh with corresponding grooves 44 inside a coupling portion 39 of the accessory 11.

Le corps de la tige 20 est avantageusement réalisé en une matière plastique, par exemple du polypropylène, par une technique d'injection.The body of the rod 20 is advantageously made of a plastic material, for example polypropylene, by an injection technique.

Dans un premier mode de réalisation de l'invention, la tige 20 est fixée avec sa base 21 de manière non démontable au boîtier 2 de la poignée 3, notamment au niveau de la sortie d'air 37 du fourreau 36.In a first embodiment of the invention, the rod 20 is fixed with its base 21 in a non-removable manner to the housing 2 of the handle 3, in particular at the air outlet 37 of the sleeve 36.

Dans un deuxième mode de réalisation de l'invention, la tige 20 est montée amovible par rapport au boîtier 2 de la poignée 3. Une telle tige 20 est mieux visible aux figures 3a et 3b où la base 21 présente une partie tubulaire 46 munie de baïonnettes 47 venant se fermer sur des ergots 48 (fig. 1, fig. 2b) prévus à cet effet sur le corps du boîtier 2 de la poignée 3. Une telle tige amovible est dotée de connecteurs électriques 50 d'alimentation du moteur 14, les connecteurs 50 étant de préférence disposés sur la surface interne de la partie tubulaire 25 et viennent en prise avec des connecteurs électriques 51 (fig. 1) correspondants de la poignée 3.In a second embodiment of the invention, the rod 20 is removably mounted relative to the housing 2 of the handle 3. Such a rod 20 is better visible at Figures 3a and 3b where the base 21 has a tubular portion 46 provided with bayonets 47 closing on pins 48 ( Fig. 1 , Fig. 2b ) provided for this purpose on the housing body 2 of the handle 3. Such a removable rod is provided with electrical power supply connectors 50 of the motor 14, the connectors 50 being preferably arranged on the inner surface of the tubular portion 25 and engage with electrical connectors 51 ( Fig. 1 ) corresponding handle 3.

Dans une variante (non représentée aux dessins), la tige 20 est montée démontable au niveau de sa partie de support 24. Ainsi, la base 21 et la partie intermédiaire 23 sont montées fixes sur la poignée 3, une partie centrale protubérante faisant saillie dans l'axe de la poignée et comportant les fiches des connecteurs électriques 51 d'alimentation. En fonctionnement, la partie de support 24 de la tige 20 vient s'enficher avec des connecteurs électriques 50 correspondants en bout de la partie centrale saillante de la poignée.In a variant (not shown in the drawings), the rod 20 is removably mounted at its support portion 24. Thus, the base 21 and the intermediate portion 23 are fixedly mounted on the handle 3, a protruding central portion projecting into the axis of the handle and having the plugs of the electrical connectors 51 supply. In operation, the support portion 24 of the rod 20 is plugged with corresponding electrical connectors 50 at the end of the central portion of the handle.

En fonctionnement, l'utilisatrice enfiche la tige 20 sur la poignée 3 en tournant jusqu'à ce que les ergots 48 arrivent au fond des baïonnettes 47 et que le contact électrique soit établi entre les connecteurs 50 et 51. Ensuite, elle choisit un accessoire 11 ayant les caractéristiques conformément à la mise en forme souhaitée (diamètre, type de soies, etc.) qu'elle enclenche sur les cannelures 43 de l'élément de couplage 40 au sommet 22 de la tige 20. L'appareil étant maintenant prêt à fonctionner, l'utilisatrice actionne un bouton 52 de mise en marche du premier moteur 6 qui permet au flux d'air chaud de sortir par les ouvertures 18 de l'accessoire 11. Un bouton 53 peut être prévu pour couper l'alimentation de l'élément chauffant 5 en vue d'un traitement avec de l'air à température ambiante. Un bouton 54 peut également être prévu pour mettre en marche un générateur d'ions et enrichir d'ions le flux d'air soufflé par la poignée. En actionnant un bouton 55, l'utilisatrice met ensuite en marche le deuxième moteur 14 d'entraînement de l'accessoire 11 qui commence alors à tourner pour réaliser la mise en forme de la coiffure. Ce bouton permet également d'inverser le sens de rotation du moteur 14 ou de faire varier saIn operation, the user puts the rod 20 on the handle 3 by turning until the lugs 48 arrive at the bottom of the bayonets 47 and that the electrical contact is established between the connectors 50 and 51. Then, she chooses an accessory 11 having the characteristics according to the desired shaping (diameter, type of bristles, etc.) that it engages the splines 43 of the coupling element 40 at the top 22 of the rod 20. The apparatus is now ready to operate, the user actuates a button 52 for starting the first motor 6 which allows the flow of hot air out through the openings 18 of the accessory 11. A button 53 can be provided to cut the power supply to the heating element 5 for treatment with air at room temperature. A button 54 may also be provided to turn on an ion generator and enrich the flow of air blown by the handle with ions. By actuating a button 55, the user then turns on the second drive motor 14 of the accessory 11, which then begins to rotate to form the shaping of the hairstyle. This button also makes it possible to reverse the direction of rotation of the motor 14 or to vary its

En option qui ne fait pas partie de l'invention, l'utilisatrice peut réaliser un séchage préalable des cheveux en montant un accessoire de type buse ou diffuseur muni d'une fixation à baïonnettes à la sortie d'air de la poignée 3.Optionally, which does not form part of the invention, the user can carry out prior drying of the hair by mounting a nozzle-like or diffuser-type accessory provided with a bayonet attachment to the air outlet of the handle 3.

Une telle construction de brosse à cheveux électrique permet d'utiliser un élément chauffant puissant pour avoir une bonne efficacité du séchage, tout en permettant au flux d'air puissant d'arriver à l'extrémité 19 de l'accessoire 11 sans pertes de charge aéraulique.Such an electric hairbrush construction makes it possible to use a powerful heating element to have good drying efficiency, while allowing the powerful airflow to reach the end 19 of the accessory 11 without loss of load. ventilation.

D'autres variantes et modes de réalisation de l'invention peuvent être envisagés sans sortir du cadre de ses revendications.Other variants and embodiments of the invention may be envisaged without departing from the scope of its claims.

Claims (12)

  1. Electric hair brush (1) comprising a longitudinal housing (2) forming a handle (3), a heating element (5), a first motor (6) for driving a fan (7) producing an air flow from an air inlet opening (9) located at one end of the handle towards an air outlet opening (10) located at the opposite end of the handle, and a second motor (14) for driving in rotation a hair styling attachment (11); the fan (7) and the first motor (6) are included inside the handle (3) and said second motor (14) is connected by a rod (20) to the outside of the handle (3), in the extension thereof, being coaxial with or parallel to the longitudinal axis of the handle, the base (21) of the rod being attached to the handle (3) and extending forwards by a part supporting the second motor (14), characterised in that
    - the heating element (5) is included inside the handle (3),
    - the end forming the apex (22) of the rod (20) supports a coupling element (40) mounted on the output shaft of the second motor (14) driving the attachment (11); said coupling element mounted at the end of the rod providing, by engaging with a corresponding coupling element of the attachment, a means of rapidly attaching and disconnecting the removable attachment from the means used to drive it in rotation.
    - the base (21) of the rod (20) has a cylindrical part (25) having a first diameter comparable with that of the handle (3), the base (21) being connected to a perforated intermediate part (23) consisting of several arches (27) and which extents by a support part (24) having a second diameter smaller than the first.
  2. Brush according to claim 1, characterised in that the rod (20) is coaxial with the handle (3) connected to it by its base (21) and extending forwards by a hollow support part (24) receiving the second motor (14).
  3. Brush according to claim 1, characterised in that the attachment (11) engages with the coupling element (40) at one of its ends, the opposite end being guided in rotation by the cylindrical part (25) of the base (21) of the rod (20).
  4. Brush according to claim 1, characterised in that the arches (27) are of ogival shape and form in pairs an air passage opening (26).
  5. Brush according to claim 1, characterised in that the arches (27) are arranged around the base (21) and the top of the arches (27) rests on a cylindrical support part (24) of the rod (20).
  6. Brush according to claim 1, characterised in that the perforated intermediate part (23) comprises inner walls (28) and the support part (24) comprises a leading part (29) having a shape inclined in the direction of air flow.
  7. Brush according to one of the preceding claims, characterised in that the heating element (5) is arranged inside a sheath (36) coaxial with the handle (3) whose air outlet end (37) communicates directly with the base (21) of the rod (20).
  8. Brush according to one of the preceding claims, characterised in that the first motor (6) and the second motor (14) are arranged at substantially equal distances from the air outlet opening (10) of the handle (3).
  9. Brush according to one of the preceding claims, characterised in that the values of the air passage cross-section inside the attachment (11) when it is mounted on the rod (20) decrease progressively towards the apex (22) of the rod (20).
  10. Brush according to one of the preceding claims, characterised in that said rod (20) is mounted so that it can be removed from the handle (3).
  11. Brush according to the preceding claim, characterised in that the base (21) of the rod (20) comprises a tubular part (46) for attaching and guiding the handle (3).
  12. Brush according to one of the two preceding claims, characterised in that the rod (20) is fitted with electrical connectors (50) for powering the motor (14) driving the attachment (11) that cooperate with electrical connectors (51) of the handle (3).
EP08787905.2A 2007-04-06 2008-04-04 Electrical hairbrush Active EP2131695B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11154907.7A EP2335515B1 (en) 2007-04-06 2008-04-04 Electric hairbrush

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0702534A FR2914543B1 (en) 2007-04-06 2007-04-06 ELECTRIC HAIR BRUSH
PCT/FR2008/000466 WO2008139051A2 (en) 2007-04-06 2008-04-04 Electrical hairbrush

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11154907.7A Division EP2335515B1 (en) 2007-04-06 2008-04-04 Electric hairbrush
EP11154907.7A Division-Into EP2335515B1 (en) 2007-04-06 2008-04-04 Electric hairbrush

Publications (2)

Publication Number Publication Date
EP2131695A2 EP2131695A2 (en) 2009-12-16
EP2131695B1 true EP2131695B1 (en) 2014-05-07

Family

ID=38349511

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11154907.7A Active EP2335515B1 (en) 2007-04-06 2008-04-04 Electric hairbrush
EP08787905.2A Active EP2131695B1 (en) 2007-04-06 2008-04-04 Electrical hairbrush

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11154907.7A Active EP2335515B1 (en) 2007-04-06 2008-04-04 Electric hairbrush

Country Status (7)

Country Link
EP (2) EP2335515B1 (en)
CN (3) CN102197913B (en)
BR (1) BRPI0810059A2 (en)
DE (1) DE202008018013U1 (en)
ES (2) ES2487508T3 (en)
FR (1) FR2914543B1 (en)
WO (1) WO2008139051A2 (en)

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EP4048115B1 (en) * 2019-10-25 2023-11-15 Seb S.A. Hair-styling appliance comprising a rotatable swivel accessory

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CN103653678A (en) * 2013-12-24 2014-03-26 慈溪艾格特电器有限公司 Hair dryer comb
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CN111031839A (en) * 2017-09-01 2020-04-17 芭比丽丝法科私人有限公司 Ergonomic improved rotary blowing brush device
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Also Published As

Publication number Publication date
EP2335515B1 (en) 2014-05-07
CN101662969A (en) 2010-03-03
CN102197914B (en) 2013-08-14
BRPI0810059A2 (en) 2019-08-27
CN102197914A (en) 2011-09-28
CN102197913B (en) 2014-03-12
WO2008139051A2 (en) 2008-11-20
EP2335515A1 (en) 2011-06-22
ES2487638T3 (en) 2014-08-22
CN101662969B (en) 2011-08-24
EP2131695A2 (en) 2009-12-16
ES2487508T3 (en) 2014-08-21
FR2914543B1 (en) 2010-02-26
DE202008018013U1 (en) 2011-04-28
FR2914543A1 (en) 2008-10-10
WO2008139051A3 (en) 2009-03-19
CN102197913A (en) 2011-09-28

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