EP3142833B1 - Nose- and ear-hair trimmer - Google Patents

Nose- and ear-hair trimmer Download PDF

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Publication number
EP3142833B1
EP3142833B1 EP15741154.7A EP15741154A EP3142833B1 EP 3142833 B1 EP3142833 B1 EP 3142833B1 EP 15741154 A EP15741154 A EP 15741154A EP 3142833 B1 EP3142833 B1 EP 3142833B1
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EP
European Patent Office
Prior art keywords
head
penetration
stationary blade
slots
hairs
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EP15741154.7A
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German (de)
French (fr)
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EP3142833A1 (en
Inventor
Pierre Julemont
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Babyliss Faco SPRL
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Babyliss Faco SPRL
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Publication of EP3142833A1 publication Critical patent/EP3142833A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B26B19/143—Details of outer cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B26B19/148—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor specially adapted for removing hair from inaccessible places, e.g. nostrils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/46—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards providing for illuminating the area to be shaved or clipped

Definitions

  • the present invention relates to a trimmer for nose and ear hair (TNO) or "nose and ear trimmer” (NET) in English.
  • TNO nose and ear hair
  • NET nose and ear trimmer
  • TNO Ear and nose hair trimmers
  • EP 1 747 858 B1 (2006) which proposes a particular positioning of the blade on the rotating head
  • EP 1 749 622 (2006) which proposes a particular flow path of the rinsing water through the shaving head of the TNO.
  • EP 2 298 511 B1 (2010 ) discloses a routing of the rinsing liquid around the blades
  • EP 2 301 728 A1 discloses a specific arrangement of the blades
  • US 2011/0010941 A1 discloses a translation movement in the axis of the TNO with blades on either side of a rod in extension of a handle.
  • TNOs of the state of the art apart from the side-blade mowers, generally have a movable cutting device rotating within a rounded cylinder-shaped stationary head which can not mainly cut the hairs only on the front side in the direction of penetration of the cavities where the hairs lie.
  • This type of TNO cuts practically nothing in the direction of exit of the cavities because a penetration of the hairs in the slots of the stationary head is provided only on the front face mainly, and to a lesser extent on the lateral faces.
  • the present invention aims to provide a TNO offering the possibility of mowing the bristles both by the front face of the shaving head in the direction of penetration and by the rear face thereof during the removal of the nasal and auricular cavities. proposing a stationary head of particular geometry provided with opening slots not only on the rounded front and / or side of the cylinder which we call the front and side faces in the direction of penetration of the shaving head but also on the part back of it.
  • the present invention discloses a motorized mower for the hairs growing in the cavities of the nose and ears comprising a shaving head with a movable blade and a stationary blade, the stationary blade being equipped with slots for the penetration of the bristles on the front face and on the lateral face seen in the direction of introduction of the shaving head into the cavity to be mowed, characterized in that said stationary blade also has slots for the penetration of the bristles on its rear face to also cut the bristles during the removal of the shaving head from the cavity to be mowed.
  • the figure 1 schematically represents the possibilities of using a TNO according to the state of the art.
  • the absence of penetration slots for the bristles on the rear face of the stationary head only allows the size of the bristles in the direction of penetration of the shaving head into the nasal opening in this case.
  • the shaving head can not pick any hair by pulling out of the nasal opening, which reduces its effectiveness. This mode of use therefore favors the cut back hair is inefficient if the hair is inclined to the inside of the cavity.
  • the figure 2 schematically shows the possibilities of using a TNO according to the invention.
  • the additional presence of penetration slots for the bristles on the rear face of the shaving head allows the size of the hairs both in the direction of penetration into the nasal opening and in the direction of withdrawal.
  • the shaving head can also capture the hair by withdrawing from the nasal opening, straightening the hairs that go up in the cavity which increases its effectiveness.
  • TNO according to the invention shaves both in the direction of the penetration in the direction of withdrawal of the orifice.
  • the figure 5 represents a sectional view of an embodiment of the head of the TNO according to the invention.
  • the figure 6 represents a three-dimensional view with a partial section showing the arrangement of the elements inside the head as well as the penetration slots present on both the front, side and rear faces of the head in the direction of the penetration .
  • the head generally has a truncated bicon form.
  • the figure 7 represents an exploded view of the head of the TNO according to an embodiment of the invention with its constituent elements.
  • the spring pushes the moving blades against the front and rear faces of the stationary blade.
  • the figure 8 represents a front view and a plan view of the stationary blade of the TNO according to the invention.
  • the figure 9 represents a 3D overview of an embodiment of the TNO according to the present invention with its handle that integrates a motor and a rechargeable battery or a battery.
  • the handle can take different forms and its shape is limited only by practical considerations of grip.
  • the figure 10 represents a non-limiting set of TNO shaving heads according to the present invention. All these heads have the characteristic of having on the stationary blade not only penetration slots on the front and side parts but also on the rear face of the head in the direction of penetration into the shaving orifice.
  • the figure 11 represents another embodiment of the invention with an opening in the center of the stationary blade facilitating rinsing with water.
  • the figure 12 the same mode of execution as that of the figure 11 but with an additional opening on the drive cylinder of the movable blade for the passage of the rinsing water.
  • the origin of the present invention resides in the observation that the prior art nose-nosed trimmers (TNO) shaved nose and ear hairs only in the direction of the penetration of the shaving head into the orifices. concerned. This is simply due to the absence of slots for the penetration of the hairs into the stationary blade on all sides of the head.
  • the penetration slots are generally located on the front side, that is to say the front face of the head in the direction of penetration into the cavity. mow, the slots usually overflow a little on the side faces as shown on the figure 1 .
  • the present invention proposes a TNO with a shaving head having slots for the penetration of the bristles on all the faces of the stationary blade, therefore also on the rear face, which makes it possible to increase significantly shave efficiency and limit the number of back and forth movements for an identical result.
  • the figure 10 represents a non-limiting set of TNO shaving heads corresponding to this main feature of the invention.
  • the presence of slots for the penetration of the bristles on a large part of the front, side and rear faces also increases the accessibility of the rinsing water to the movable blade for cleaning the head.
  • the slots for the penetration 7 of the bristles of the stationary blade 5 extend uninterruptedly between the front face 2 and the rear face 4 through the side face 3.
  • the slots are not interrupted by a possible shift between the slots of the front 2, side 3 and rear 4 which allows them to function as a comb which is the desired effect.
  • the movable blades 6 are pushed by a single spring 8 against the inner wall of the stationary blade 5, when it has a biconical shape.
  • the stationary blades of the state of the art generally require two springs, a spring for the thrust in the direction of the axis of rotation and another for thrust in the perpendicular direction of the axis of rotation.
  • the device according to the invention may be equipped with one or more luminescent electrodes for illuminating the orifices to be treated.

Description

Objet de l'inventionObject of the invention

La présente invention se rapporte à une tondeuse pour poils de nez et d'oreilles (TNO) ou « nose and ear trimmer » (NET) en anglais.The present invention relates to a trimmer for nose and ear hair (TNO) or "nose and ear trimmer" (NET) in English.

Etat de la techniqueState of the art

Les tondeuses de poils de nez et d'oreilles (TNO) sont désormais bien connues des utilisateurs confrontés aux problèmes des poils poussant dans les narines et les creux de l'oreille à partir de l'âge mûr.Ear and nose hair trimmers (TNO) are now well known to users who have problems with hair growing in the nostrils and troughs of the ear from middle age.

Différentes solutions ont été proposées pour aborder ce problème dont l'une des premières date de 1933 quand le brevet US 1,973,631 présente une solution basée sur un double cône superposé muni de fentes et adapté sur une paire de ciseaux. Les poils à couper pénètrent dans la fente des deux cônes et l'action de cisaillement permet de les couper.Various solutions have been proposed to tackle this problem, one of the first of which dates from 1933 when the patent US 1,973,631 presents a solution based on a double superimposed cone provided with slots and adapted on a pair of scissors. The hairs to be cut penetrate into the slot of the two cones and the shearing action makes it possible to cut them.

Bien que les TNO ont connu de nombreuses évolutions depuis cette époque, le mécanisme de base est resté le même.Although the NWT has undergone many changes since then, the basic mechanism has remained the same.

Le document US 2,987,818 (1959 ) présente un accessoire cylindrique et filiforme adaptable sur un rasoir. Cet accessoire permet de pénétrer facilement les cavités nasales et auriculaires.The document US 2,987,818 (1959 ) has a cylindrical accessory and filiform adaptable on a razor. This accessory makes it easy to penetrate the nasal and auricular cavities.

Le document US 3,731,379 (1973 ) et FR 2 430 829 (1978 ) présentent un dispositif de coupe exclusivement adapté à une fonction TNO et entrainé par un moteur électrique au sein d'une tête stationnaire qui a la forme d'un solide de révolution, spécialement adapté pour être introduit dans des cavités nasales.The document US 3,731,379 (1973) ) and FR 2,430,829 (1978) ) have a cutting device exclusively adapted to a TNO function and driven by an electric motor within a stationary head which has the shape of a solid of revolution, specially adapted to be introduced into nasal cavities.

Le document US 4,958,432 (1990 ) divulgue une TNO avec différents types de têtes stationnaires et une pluralité de lames agencées par anneaux.The document US 4,958,432 (1990) ) discloses a TNO with different types of stationary heads and a plurality of blades arranged by rings.

D'autres améliorations ont également été proposées dans US 6,272,752 B1 (2001 ) avec des lames particulières ou encore dans US 6,067,714 (2000 ) qui propose un système autonettoyant par aspiration d'eau en faisant tourner la tête de la TNO sous l'eau.Other improvements have also been proposed in US 6,272,752 B1 (2001) ) with particular blades or in US 6,067,714 (2000) ) that offers a self-cleaning system by sucking water by turning the head of the TNO under water.

Les perfectionnements de ces dernières années sont divulgués dans EP 1 747 858 B1 (2006 ) qui propose un positionnement particulier de la lame sur la tête rotative et dans EP 1 749 622 (2006 ) qui propose un chemin d'écoulement particulier de l'eau de rinçage à travers la tête de rasage de la TNO.The improvements of recent years are disclosed in EP 1 747 858 B1 (2006) ) which proposes a particular positioning of the blade on the rotating head and in EP 1 749 622 (2006) ) which proposes a particular flow path of the rinsing water through the shaving head of the TNO.

Plus récemment encore, EP 2 298 511 B1 (2010 ) divulgue un acheminement du liquide de rinçage autour des lames, EP 2 301 728 A1 ( 2010 ) divulgue un agencement spécifique des lames, US 2011/0010941 A1 divulgue un mouvement de translation dans l'axe de la TNO avec des lames de part et d'autre d'une tige en prolongement d'une poignée.More recently, EP 2 298 511 B1 (2010 ) discloses a routing of the rinsing liquid around the blades, EP 2 301 728 A1 ( 2010 ) discloses a specific arrangement of the blades, US 2011/0010941 A1 discloses a translation movement in the axis of the TNO with blades on either side of a rod in extension of a handle.

Malgré les perfectionnements de ces dernières années, toutes les TNO de l'état de la technique, en dehors des tondeuses à lames latérales, ont généralement un dispositif de coupe mobile tournant au sein d'une tête stationnaire en forme de cylindre arrondi qui ne peut principalement couper les poils que sur la face avant dans le sens de pénétration des cavités où les poils se situent. Ce type de TNO ne coupe pratiquement rien dans le sens de sortie des cavités parce qu'une pénétration des poils dans les fentes de la tête stationnaire n'est prévue que sur la face avant principalement, et dans une moindre mesure sur les faces latérales.Despite the improvements of recent years, all TNOs of the state of the art, apart from the side-blade mowers, generally have a movable cutting device rotating within a rounded cylinder-shaped stationary head which can not mainly cut the hairs only on the front side in the direction of penetration of the cavities where the hairs lie. This type of TNO cuts practically nothing in the direction of exit of the cavities because a penetration of the hairs in the slots of the stationary head is provided only on the front face mainly, and to a lesser extent on the lateral faces.

Buts de l'inventionGoals of the invention

La présente invention vise à fournir une TNO offrant la possibilité de tondre des poils aussi bien par la face avant de la tête de rasage dans le sens de la pénétration que par la face arrière de celle-ci lors du retrait des cavités nasales et auriculaires en proposant une tête stationnaire de géométrie particulière munie de fentes d'ouverture non seulement sur la partie arrondie frontale et/ou latérale du cylindre que nous appelons les faces avant et latérales dans le sens de la pénétration de la tête de rasage mais également sur la partie arrière de celle-ci.The present invention aims to provide a TNO offering the possibility of mowing the bristles both by the front face of the shaving head in the direction of penetration and by the rear face thereof during the removal of the nasal and auricular cavities. proposing a stationary head of particular geometry provided with opening slots not only on the rounded front and / or side of the cylinder which we call the front and side faces in the direction of penetration of the shaving head but also on the part back of it.

Résumé de l'inventionSummary of the invention

La présente invention divulgue une tondeuse motorisée pour les poils poussant dans les cavités du nez et des oreilles comportant une tête de rasage avec une lame mobile et une lame stationnaire, la lame stationnaire étant équipée de fentes pour la pénétration des poils sur la face avant et sur la face latérale vu dans le sens d'introduction de la tête de rasage dans la cavité à tondre, caractérisée en ce que ladite lame stationnaire comporte également des fentes pour la pénétration des poils sur sa face arrière permettant de couper également les poils lors du retrait de la tête de rasage de la cavité à tondre.The present invention discloses a motorized mower for the hairs growing in the cavities of the nose and ears comprising a shaving head with a movable blade and a stationary blade, the stationary blade being equipped with slots for the penetration of the bristles on the front face and on the lateral face seen in the direction of introduction of the shaving head into the cavity to be mowed, characterized in that said stationary blade also has slots for the penetration of the bristles on its rear face to also cut the bristles during the removal of the shaving head from the cavity to be mowed.

Les modes d'exécution préférés de l'invention comportent au moins une, ou une quelconque combinaison appropriée des caractéristiques suivantes :

  • la tête stationnaire a globalement une forme de bicone tronqué ;
  • la tête comporte un ressort unique poussant les lames mobiles contre les faces avant et arrière de ladite tête ;
  • la lame stationnaire comporte une ouverture au centre de sa face avant ;
  • la lame stationnaire comporte une ouverture au centre de sa face avant et le cylindre d'entrainement comporte une ouverture sur sa face latérale ;
  • les fentes pour la pénétration des poils de la lame stationnaire forment un angle de coupe avec la direction radiale et par rapport à l'axe de rotation de ladite tête de rasage ;
  • les fentes pour la pénétration des poils de la lame stationnaire se prolongent de manière ininterrompue entre la face avant et la face arrière en passant par la face latérale.
Preferred embodiments of the invention include at least one or any suitable combination of the following features:
  • the stationary head generally has a truncated bicone shape;
  • the head comprises a single spring pushing the movable blades against the front and rear faces of said head;
  • the stationary blade has an opening in the center of its front face;
  • the stationary blade has an opening in the center of its front face and the drive cylinder has an opening on its side face;
  • the slots for the penetration of the bristles of the stationary blade form a cutting angle with the radial direction and with respect to the axis of rotation of said shaving head;
  • the slots for the penetration of the hairs of the stationary blade extend uninterruptedly between the front face and the rear face through the side face.

Brève description des figuresBrief description of the figures

La figure 1 représente schématiquement les possibilités d'utilisation d'une TNO selon l'état de la technique. L'absence de fentes de pénétration pour les poils sur la face arrière de la tête stationnaire permet uniquement la taille des poils dans le sens de la pénétration de la tête de rasage dans l'orifice nasal dans ce cas précis. Avec les seules fentes sur la face avant, la tête de rasage ne peut capter aucun poil en se retirant de l'orifice nasal, ce qui réduit son efficacité. Ce mode d'utilisation privilégie donc la coupe à rebrousse-poil qui est inefficace si le poil est incliné vers l'intérieur de la cavité.The figure 1 schematically represents the possibilities of using a TNO according to the state of the art. The absence of penetration slots for the bristles on the rear face of the stationary head only allows the size of the bristles in the direction of penetration of the shaving head into the nasal opening in this case. With the only slits on the front, the shaving head can not pick any hair by pulling out of the nasal opening, which reduces its effectiveness. This mode of use therefore favors the cut back hair is inefficient if the hair is inclined to the inside of the cavity.

La figure 2 représente schématiquement les possibilités d'utilisation d'une TNO selon l'invention. La présence supplémentaire de fentes de pénétration pour les poils sur la face arrière de la tête de rasage permet la taille des poils aussi bien dans le sens de la pénétration dans l'orifice nasal que dans le sens du retrait. La tête de rasage peut donc également capter les poils en se retirant de l'orifice nasal, en redressant les poils qui montent dans la cavité ce qui augmente son efficacité.The figure 2 schematically shows the possibilities of using a TNO according to the invention. The additional presence of penetration slots for the bristles on the rear face of the shaving head allows the size of the hairs both in the direction of penetration into the nasal opening and in the direction of withdrawal. The shaving head can also capture the hair by withdrawing from the nasal opening, straightening the hairs that go up in the cavity which increases its effectiveness.

Les figures 3 et 4 représentent les possibilités d'utilisation de la TNO selon l'invention pour les oreilles et le nez. La TNO selon l'invention rase aussi bien dans le sens de la pénétration que dans le sens du retrait de l'orifice.The Figures 3 and 4 represent the possibilities of using the TNO according to the invention for the ears and the nose. TNO according to the invention shaves both in the direction of the penetration in the direction of withdrawal of the orifice.

La figure 5 représente une vue en coupe d'un mode d'exécution de la tête de la TNO selon l'invention.The figure 5 represents a sectional view of an embodiment of the head of the TNO according to the invention.

La figure 6 représente une vue en trois dimensions avec une coupe partielle montrant l'agencement des éléments à l'intérieur de la tête ainsi que les fentes de pénétration présentes à la fois sur les faces avant, latérales et arrière de la tête dans le sens de la pénétration. Dans ce mode d'exécution, la tête prend globalement une forme de bicone tronqué.The figure 6 represents a three-dimensional view with a partial section showing the arrangement of the elements inside the head as well as the penetration slots present on both the front, side and rear faces of the head in the direction of the penetration . In this embodiment, the head generally has a truncated bicon form.

La figure 7 représente une vue éclatée de la tête de la TNO selon un mode d'exécution de l'invention avec ses éléments constitutifs. Le ressort pousse les lames mobiles contre les faces avant et arrière de la lame stationnaire.The figure 7 represents an exploded view of the head of the TNO according to an embodiment of the invention with its constituent elements. The spring pushes the moving blades against the front and rear faces of the stationary blade.

La figure 8 représente une vue de face et une vue en plan de la lame stationnaire de la TNO selon l'invention.The figure 8 represents a front view and a plan view of the stationary blade of the TNO according to the invention.

La figure 9 représente une vue d'ensemble en 3D d'un mode d'exécution de la TNO selon la présente invention avec sa poignée qui intègre un moteur et une batterie rechargeable ou une pile. La poignée peut prendre différentes formes et sa forme n'est limitée que par des considérations pratiques de prise en main.The figure 9 represents a 3D overview of an embodiment of the TNO according to the present invention with its handle that integrates a motor and a rechargeable battery or a battery. The handle can take different forms and its shape is limited only by practical considerations of grip.

La figure 10 représente un ensemble non limitatif de têtes de rasage de TNO selon la présente invention. Toutes ces têtes ont la caractéristique de posséder sur la lame stationnaire non seulement des fentes de pénétration sur les parties avant et latérales mais également sur la face arrière de la tête dans le sens de la pénétration dans l'orifice à raser.The figure 10 represents a non-limiting set of TNO shaving heads according to the present invention. All these heads have the characteristic of having on the stationary blade not only penetration slots on the front and side parts but also on the rear face of the head in the direction of penetration into the shaving orifice.

La figure 11 représente un autre mode d'exécution selon l'invention avec une ouverture au centre de la lame stationnaire facilitant le rinçage à l'eau.The figure 11 represents another embodiment of the invention with an opening in the center of the stationary blade facilitating rinsing with water.

La figure 12 le même mode d'exécution que celui de la figure 11 mais avec une ouverture supplémentaire sur le cylindre d'entraînement de la lame mobile permettant le passage de l'eau de rinçage.The figure 12 the same mode of execution as that of the figure 11 but with an additional opening on the drive cylinder of the movable blade for the passage of the rinsing water.

Liste des symboles de référenceList of reference symbols

  1. 1. Tête de rasage de la TNO1. TNO shaving head
  2. 2. Face avant de la tête de la TNO (partie frontale de la tête)2. Front face of the TNO head (front part of the head)
  3. 3. Face latérale de la tête de la TNO3. Side view of the head of the NWT
  4. 4. Face arrière de la tête de la TNO4. Back of the head of TNO
  5. 5. Lame stationnaire5. Stationary blade
  6. 6. Lame mobile6. Moving blade
  7. 7. Fentes pour la pénétration des poils7. Slits for hair penetration
  8. 8. Ressort8. Spring
  9. 9. Poignée9. Handle
  10. 10. Cylindre d'entraînement10. Drive cylinder
  11. 11. Dispositif de maintien des lames mobiles11. Device for holding moving blades
  12. 12. Ouverture sur la lame stationnaire12. Opening on the stationary blade
  13. 13. Ouverture sur le cylindre d'entraînement13. Opening on the drive cylinder
Description détaillée de l'inventionDetailed description of the invention

L'origine de la présente invention réside dans le constat que les tondeuses nez oreilles (TNO) de l'état de la technique ne rasent les poils du nez et des oreilles que dans le sens de la pénétration de la tête de rasage dans les orifices concernés. Ceci est tout simplement dû à l'absence de fentes pour la pénétration des poils dans la lame stationnaire sur tous les côtés de la tête. Sur les têtes de rasage des TNO de l'état de la technique, les fentes de pénétration sont généralement situées sur le côté frontal, c'est-à-dire la face avant de la tête dans le sens de la pénétration dans la cavité à tondre, les fentes débordent généralement un peu sur les faces latérales comme représenté sur la figure 1.The origin of the present invention resides in the observation that the prior art nose-nosed trimmers (TNO) shaved nose and ear hairs only in the direction of the penetration of the shaving head into the orifices. concerned. This is simply due to the absence of slots for the penetration of the hairs into the stationary blade on all sides of the head. On the TNO shaving heads of the state of the art, the penetration slots are generally located on the front side, that is to say the front face of the head in the direction of penetration into the cavity. mow, the slots usually overflow a little on the side faces as shown on the figure 1 .

Pour augmenter l'efficacité de rasage, la présente invention propose une TNO avec une tête de rasage présentant des fentes pour la pénétration des poils sur l'ensemble des faces de la lame stationnaire, donc également sur la face arrière ce qui permet d'augmenter considérablement l'efficacité de rasage et de limiter le nombre de mouvements de va-et-vient pour un résultat identique.To increase the shaving efficiency, the present invention proposes a TNO with a shaving head having slots for the penetration of the bristles on all the faces of the stationary blade, therefore also on the rear face, which makes it possible to increase significantly shave efficiency and limit the number of back and forth movements for an identical result.

La figure 10 représente un ensemble non limitatif de têtes de rasage de TNO correspondant à cette caractéristique principale de l'invention. La présence de fentes pour la pénétration des poils sur une grande partie des faces avant, latérales et arrière augmente également l'accessibilité de l'eau de rinçage à la lame mobile pour le nettoyage de la tête.The figure 10 represents a non-limiting set of TNO shaving heads corresponding to this main feature of the invention. The presence of slots for the penetration of the bristles on a large part of the front, side and rear faces also increases the accessibility of the rinsing water to the movable blade for cleaning the head.

De préférence, les fentes pour la pénétration 7 des poils de la lame stationnaire 5 se prolongent de manière ininterrompue entre la face avant 2 et la face arrière 4 en passant par la face latérale 3. Les fentes ne sont donc pas interrompues par un décalage éventuel entre les fentes des faces avant 2, latérales 3 et arrières 4 ce qui leur permet de fonctionner comme un peigne ce qui est l'effet recherché.Preferably, the slots for the penetration 7 of the bristles of the stationary blade 5 extend uninterruptedly between the front face 2 and the rear face 4 through the side face 3. The slots are not interrupted by a possible shift between the slots of the front 2, side 3 and rear 4 which allows them to function as a comb which is the desired effect.

Pour améliorer encore la facilité de nettoyage de la tête, on peut prévoir une ouverture 12 sur le dôme de la partie centrale de la lame stationnaire 5 et même associer celle-ci à une ouverture supplémentaire sur le cylindre d'entraînement 13 pour assurer un flux d'eau à travers le dispositif lors du rinçage.To further improve the ease of cleaning of the head, it is possible to provide an opening 12 on the dome of the central part of the stationary blade 5 and even associate it with an additional opening on the drive cylinder 13 to ensure a flow of water through the device during rinsing.

Les lames mobiles 6, sont poussées par un ressort 8 unique contre la paroi interne de la lame stationnaire 5, lorsque celle-ci a une forme biconique. Les lames stationnaires de l'état de la technique ont généralement besoin de deux ressorts, un ressort pour la poussée dans le sens de l'axe de rotation et un autre pour la poussée dans le sens perpendiculaire de l'axe de rotation.The movable blades 6 are pushed by a single spring 8 against the inner wall of the stationary blade 5, when it has a biconical shape. The stationary blades of the state of the art generally require two springs, a spring for the thrust in the direction of the axis of rotation and another for thrust in the perpendicular direction of the axis of rotation.

Pour éviter que les lames mobiles pénètrent dans les fentes pour la pénétration des poils de la lame stationnaire 5, celles-ci forment un angle de coupe avec la direction radiale de la tête de rasage ; pour l'amélioration de la coupe, elles forment également un angle par rapport à l'axe de rotation de ladite tête de rasage.To prevent the movable blades from entering the slots for the penetration of the bristles of the stationary blade 5, they form a cutting angle with the radial direction of the shaving head; for the improvement of the cut, they also form an angle with respect to the axis of rotation of said shaving head.

Le dispositif selon l'invention peut être équipé d'une ou de plusieurs électrodes luminescentes pour éclairer les orifices à traiter.The device according to the invention may be equipped with one or more luminescent electrodes for illuminating the orifices to be treated.

Claims (7)

  1. A motorized trimmer for hairs growing in the nose and ear cavities, comprising a shaving head (1) with a movable blade (6) and a stationary blade (5), the stationary blade being equipped with slots for the penetration of hairs (7) on the front face (2) and on the side face (3) as viewed in the direction of introduction of the shaving head (1) into the cavity to be trimmed, characterized in that said stationary blade (5) also comprises slots for the penetration of hairs (7) on its rear face (4) also allowing cutting of hairs upon withdrawal of the shaving head (1) from the cavity to be trimmed.
  2. The trimmer according to claim 1, characterized in that the stationary head (5) globally has the form of a truncated bicone.
  3. The trimmer according to any one of the preceding claims, characterized in that said head (1) comprises a single spring (8) pushing the movable blades (6) against the front (2) and rear (4) faces of said head.
  4. The trimmer according to any one of the preceding claims, characterized in that the stationary blade (5) comprises an opening (12) at the center of its front face.
  5. The trimmer according to any one of the preceding claims, characterized in that the stationary blade (5) comprises an opening (12) at the center of its front face and the drive cylinder (11) comprises an opening (13) on its side face.
  6. The trimmer according to any one of the preceding claims, characterized in that the slots for the penetration (7) of hairs of the stationary blade (5) form a cutting angle with the radial direction and relative to the rotation axis of said shaving head (1).
  7. The trimmer according to any one of the preceding claims, characterized in that the slots for the penetration (7) of hairs of the stationary blade (5) extend uninterrupted between the front face (2) and the rear face (4), passing through the side face (3).
EP15741154.7A 2014-08-14 2015-07-17 Nose- and ear-hair trimmer Active EP3142833B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14180988.9A EP2985124A1 (en) 2014-08-14 2014-08-14 Nose- and ear-hair trimmer
PCT/EP2015/066448 WO2016023706A1 (en) 2014-08-14 2015-07-17 Clippers for nose and ear hairs

Publications (2)

Publication Number Publication Date
EP3142833A1 EP3142833A1 (en) 2017-03-22
EP3142833B1 true EP3142833B1 (en) 2017-11-01

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ID=51357773

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EP14180988.9A Withdrawn EP2985124A1 (en) 2014-08-14 2014-08-14 Nose- and ear-hair trimmer
EP15741154.7A Active EP3142833B1 (en) 2014-08-14 2015-07-17 Nose- and ear-hair trimmer

Family Applications Before (1)

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EP14180988.9A Withdrawn EP2985124A1 (en) 2014-08-14 2014-08-14 Nose- and ear-hair trimmer

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US (1) US10335966B2 (en)
EP (2) EP2985124A1 (en)
JP (2) JP6629761B2 (en)
KR (1) KR101806352B1 (en)
CN (1) CN106573385B (en)
AU (1) AU2015303427B2 (en)
BR (1) BR212017000451Y1 (en)
CA (1) CA2948963C (en)
CL (1) CL2017000332A1 (en)
CR (1) CR20170052A (en)
DK (1) DK3142833T3 (en)
DO (1) DOP2017000024A (en)
ES (1) ES2655297T3 (en)
HK (1) HK1231440A1 (en)
IL (1) IL249808B (en)
MX (1) MX2017001972A (en)
NZ (1) NZ727666A (en)
RU (1) RU2648716C1 (en)
SA (1) SA517380895B1 (en)
WO (1) WO2016023706A1 (en)

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KR102325633B1 (en) * 2021-01-13 2021-11-12 로얄금속공업 주식회사 A rotary hair-cutting device
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Also Published As

Publication number Publication date
JP6662941B2 (en) 2020-03-11
CA2948963A1 (en) 2016-02-18
CL2017000332A1 (en) 2017-08-18
NZ727666A (en) 2018-02-23
JP2018161480A (en) 2018-10-18
MX2017001972A (en) 2017-05-15
AU2015303427B2 (en) 2017-11-23
KR20170038074A (en) 2017-04-05
HK1231440A1 (en) 2017-12-22
JP6629761B2 (en) 2020-01-15
CN106573385B (en) 2018-04-13
CN106573385A (en) 2017-04-19
EP2985124A1 (en) 2016-02-17
JP2017523818A (en) 2017-08-24
BR212017000451Y1 (en) 2020-01-14
EP3142833A1 (en) 2017-03-22
CR20170052A (en) 2017-03-23
US20170239825A1 (en) 2017-08-24
DK3142833T3 (en) 2018-02-05
IL249808B (en) 2021-12-01
AU2015303427A1 (en) 2017-01-12
ES2655297T3 (en) 2018-02-19
WO2016023706A1 (en) 2016-02-18
BR212017000451U2 (en) 2018-02-14
IL249808A0 (en) 2017-03-30
SA517380895B1 (en) 2020-09-03
DOP2017000024A (en) 2017-04-16
CA2948963C (en) 2017-07-04
US10335966B2 (en) 2019-07-02
RU2648716C1 (en) 2018-03-28
KR101806352B1 (en) 2017-12-07

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