EP3302901A1 - Beard trimmer with one or more rotary heads having a fixed blade with a particular shape - Google Patents

Beard trimmer with one or more rotary heads having a fixed blade with a particular shape

Info

Publication number
EP3302901A1
EP3302901A1 EP16718340.9A EP16718340A EP3302901A1 EP 3302901 A1 EP3302901 A1 EP 3302901A1 EP 16718340 A EP16718340 A EP 16718340A EP 3302901 A1 EP3302901 A1 EP 3302901A1
Authority
EP
European Patent Office
Prior art keywords
fixed blade
teeth
beard
beard trimmer
trimmer 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.)
Granted
Application number
EP16718340.9A
Other languages
German (de)
French (fr)
Other versions
EP3302901B1 (en
Inventor
Pierre Julemont
Olivier Smal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Babyliss Faco SPRL
Original Assignee
Babyliss Faco SPRL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Babyliss Faco SPRL filed Critical Babyliss Faco SPRL
Priority to PL16718340T priority Critical patent/PL3302901T3/en
Publication of EP3302901A1 publication Critical patent/EP3302901A1/en
Application granted granted Critical
Publication of EP3302901B1 publication Critical patent/EP3302901B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B26B19/141—Details of inner cutters having their axes of rotation perpendicular to the cutting surface
    • 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
    • B26B19/146—Complete cutting head being movable
    • 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
    • B26B19/20—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
    • 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
    • B26B19/20—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
    • B26B19/205—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length by adjustment of the cutting members
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
    • A46B15/0079—Brushes fitted with a razor or other shaving equipments
    • 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
    • B26B19/42—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards providing for straightening the hair to be cut, e.g. by means of bristles; providing for tensioning the skin, e.g. by means of rollers, ledges

Definitions

  • the present invention relates to a beard trimmer comprising one or more rotary cutting heads with a vertical axis.
  • the cutting mechanism of these rotating heads is equipped with a movable blade and a fixed blade.
  • Each cutting head is surrounded by crown-shaped combs adjustable in height. In use, the combs make it possible to adjust the distance between the cutting mechanism and the skin and thus adjust the cut length of the beard.
  • the mower according to the invention comprises a type of fixed blade with a particular geometry that can be adapted to any type of beard.
  • Beard trimmers of the state of the art currently have movable blades and fixed linear whose operation is based on a movement back and forth of the movable blade relative to the fixed blade.
  • This type of mower is usually equipped with a comb that can adjust the cutting length of the beard.
  • Such beard trimmers are for example disclosed in US D 698084, US 6978547, US D 486267, EP 2 766 153 A1, US D 363809, US 2013/0042487, US 7076878, US D 521683 ...
  • the mowers of the state of the art have a line of straight section at the intersection of the movable teeth and fixed teeth. They have the disadvantage of trimming the hair differently depending on the direction of the mowing because the beard hair is most often inclined in one direction as they grow almost never perpendicular to the skin. Thus the mowing result with these mowers is very different depending on the direction of movement on the beard to cut.
  • Clippers that have one or more rotary cutting heads vertical axis surrounded by ring-shaped combs and having fixed blades according to the present invention are not known from the state of the art.
  • the present invention aims to provide a beard trimmer with one or more rotary heads surrounded by combs of adjustable length to adjust the cutting height of the beard, the mower being equipped with fixed blades of particular geometry, and preferably interchangeable to be suitable for any type of beard.
  • the present invention discloses a beard trimmer comprising one or more rotary cutting heads, said rotary cutting heads comprising a movable blade and a fixed blade, each head being surrounded by a ring-shaped comb, said comb being adjustable in height and used to adjust, in use, the distance between said blades and the skin and thus adapt the cut of the hair of the beard to the desired length, characterized in that said mower comprises a fixed blade whose geometry is characterized by:
  • An opening angle between the teeth has between 20 and 30 °, preferably between 22 and 28 °, particularly preferably between 24 and 27 °;
  • a width of the teeth L2 at their end of between 0.3 and 1 mm, preferably between 0.4 and 0.9 mm.
  • the fixed blade comprises between 24 and 54 teeth, preferably between 30 and 45 teeth, and particularly preferably from 32 to 40 teeth;
  • the diameter of the fixed blade is between 12 and 25 mm, preferably between 18 and 22 mm;
  • said fixed blade is interchangeable; said fixed blade and the movable blade are interchangeable;
  • said mower comprises one, two or three rotating heads
  • the height adjustment of the combs is motorized and positionable to half millimeter
  • said comb makes it possible to adjust a distance between the cutting mechanism and the skin between 0 and 20 mm, preferably between 1 and 15 mm, and particularly preferably between 2 and 12 mm with an accuracy of 0.5. mm.
  • FIG. 1 represents a beard trimmer according to the invention comprising three rotary heads.
  • the ring-shaped comb around the rotating heads is shown in three different setting heights. These three settings make it possible, for example, to obtain hair lengths of 2, 6 and 10 mm.
  • Figure 2 shows the mower according to the invention with one or two cutting heads respectively.
  • Figure 3 shows schematically the mechanism for adjusting the height of the combs.
  • Figure 4 shows a detail view of the setting of the cutting height and the cutting mechanism.
  • Figure 5 is a detailed view of the arrangement of movable blades and fixed on a vertical axis and key parameters of the fixed blade.
  • FIGS. 6 to 9 show three illustrative examples of sizing of the fixed blade according to the invention. List of reference symbols
  • the mower according to the present invention has one or more circular rotary heads 1 with a vertical axis, surrounded by combs 4 in the form of a crown whose height is adjustable to half a millimeter near.
  • This setting can be manual or motorized (not shown)
  • This mower allows movement in arcs of circles on the beard just like a razor with rotating heads. This type of movement has the advantage of cutting the size of the hair from all sides, regardless of the inclination of the latter relative to the skin, which results in an even size of the beard.
  • the movement of the combs 4 straightens the bristles which end up penetrating from the outside to the inside via the space left between two teeth in the waist area.
  • the particular shape of the teeth of the comb 4, which gradually tapers towards the tip, allows easy penetration of the beard hair towards the cutting element composed of a fixed blade 3 and a movable blade 2.
  • the height of the telescopic combs 4 can be set approximately between 0 and 15 mm, preferably between 0 and 12 mm, and particularly preferably between 0 and 10 mm.
  • the combs are almost completely retractable in the hood 6 to take up less space when storing the mower.
  • the cover 5 surrounding the rotating head or heads is removable to facilitate cleaning of the cutting mechanism.
  • the fixed blade 3 has radial notches where the notches form a symmetrical or asymmetrical angle with the line joining the axis of the fixed blade, which promotes the penetration of the hairs in the cutting mechanism.
  • the mower according to the invention comprises movable and fixed blades which are preferably interchangeable.
  • the mower may be accompanied by a set of interchangeable blades.
  • the wear of the blade can also be greater than the wear of the razor blades, which may require more frequent replacement of the blades.
  • L1 represents the distance between the teeth of the fixed blade on the outer diameter thereof.
  • L2 represents the width of the end of the tooth on the outer diameter of the blade.
  • L3 represents the length of the tooth and represents the opening angle between two teeth of the fixed blade.
  • the fixed blades may have a length of L3 tooth very variable. It can vary from 0.5 to 4 mm but is generally between 1 and 3 mm, preferably between 1, 5 and 2 mm.
  • the length chosen for the teeth must obviously be related to the diameter of the fixed blade and the number of teeth envisaged. Thus, a blade of large diameter, for example 25 mm, and a small number of teeth allows a longer tooth length L3 than with a large number of teeth.
  • the fixed blade generally has between 24 and 54 teeth, preferably between 30 and 45 teeth.
  • the diameter of the fixed blade is generally between 12 and 25 mm, preferably between 18 and 22 mm.
  • the latitude is generally between 0.3 and 1 mm, preferably between 0.4 and 0.9 mm.
  • the opening angle a is generally between 20 and 30 °, preferably between 22 and 28 °.
  • This opening angle a is defined by a median axis which does not have to go through the center of the fixed blade. In this case, we will speak of "asymmetrical angle".
  • Figure 6 shows a fixed blade with 40 teeth and an opening angle between the teeth symmetrical with respect to the radius of the fixed blade.
  • Figure 7 shows a fixed blade with 32 teeth and an opening angle between the teeth symmetrical with respect to the radius of the fixed blade.
  • L3 1.8 mm
  • L2 0.8 mm
  • a 26.1 °.
  • Figure 8 shows a fixed blade with 32 teeth and an opening angle between the teeth asymmetric with respect to the radius of the fixed blade.
  • Figure 9 shows a fixed blade with 40 teeth and an opening angle between the teeth symmetrical with respect to the radius of the fixed blade.

Abstract

The present invention relates to a beard trimmer having one or more rotary cutting heads (1), said rotary cutting heads having a moving blade (2) and a fixed blade (3), each head being surrounded by a crown-shaped comb (4), said comb being adjustable in height in order to adjust, in use, the distance between said blades and the skin, and thereby to adapt the cutting of the beard to the desired length, characterized in that the trimmer comprises a fixed blade having a shape characterised by: - a tooth length L3 of 1 to 3 mm, preferably 1.5 to 2 mm; - an opening angle between the teeth of 20 to 30°, preferably 22 to 28°, and more preferably 24 and 27°; - a tooth width L2, at the end of the teeth, of 0.3 to 1 mm, preferably 0.4 to 0.9 mm.

Description

TONDEUSE A BARBE AVEC UNE OU PLUSIEURS TETES ROTATIVES COMPORTANT UNE LAME FIXE A GEOMETRIE PARTICULIERE  BARBER MOWER WITH ONE OR MORE ROTARY HEADS COMPRISING A FIXED BLADE WITH PARTICULAR GEOMETRY
Objet de l'invention Object of the invention
[0001] La présente invention se rapporte à une tondeuse à barbe comportant une ou plusieurs têtes de coupe rotatives à axe vertical. Le mécanisme de coupe de ces têtes rotatives est équipé d'une lame mobile et d'une lame fixe. Chaque tête de coupe est entourée de peignes en forme de couronne réglables en hauteur. En utilisation, les peignes permettent d'ajuster la distance entre le mécanisme de coupe et la peau et d'ajuster ainsi la longueur de coupe de la barbe. La tondeuse selon l'invention comporte un type de lame fixe avec une géométrie particulière pouvant être adaptée à tout type de barbe.  The present invention relates to a beard trimmer comprising one or more rotary cutting heads with a vertical axis. The cutting mechanism of these rotating heads is equipped with a movable blade and a fixed blade. Each cutting head is surrounded by crown-shaped combs adjustable in height. In use, the combs make it possible to adjust the distance between the cutting mechanism and the skin and thus adjust the cut length of the beard. The mower according to the invention comprises a type of fixed blade with a particular geometry that can be adapted to any type of beard.
Etat de la technique State of the art
[0002] Les tondeuses à barbe de l'état de la technique présentent actuellement des lames mobiles et fixes linéaires dont le fonctionnement est basé sur un mouvement de va-et-vient de la lame mobile par rapport à la lame fixe. Ce type de tondeuse est généralement équipé d'un peigne qui permet de régler la longueur de coupe de la barbe. De telles tondeuses de barbe sont par exemple divulguées dans US D 698084, US 6978547, US D 486267, EP 2 766 153 A1 , US D 363809, US 2013/0042487, US 7076878, US D 521683 ...  [0002] Beard trimmers of the state of the art currently have movable blades and fixed linear whose operation is based on a movement back and forth of the movable blade relative to the fixed blade. This type of mower is usually equipped with a comb that can adjust the cutting length of the beard. Such beard trimmers are for example disclosed in US D 698084, US 6978547, US D 486267, EP 2 766 153 A1, US D 363809, US 2013/0042487, US 7076878, US D 521683 ...
[0003] Il existe bien entendu des rasoirs à têtes rotatives multiples qui permettent de se raser de très près, ceux-ci ne peuvent cependant servir pour tailler une barbe. Les rasoirs ne possèdent pas de peignes pour régler la distance entre le mécanisme de coupe et la peau. A notre connaissance, il n'existe cependant pas dans l'état de la technique de tondeuse à barbe avec des têtes rotatives.  There are of course razors with multiple rotating heads that can shave very closely, but they can not be used to trim a beard. Razors do not have combs to adjust the distance between the cutting mechanism and the skin. To our knowledge, however, there is no state of the art beard trimmer with rotating heads.
[0004] Les tondeuses de l'état de la technique présentent une ligne de coupe droite au niveau de l'intersection des dents mobiles et des dents fixes. Elles ont l'inconvénient de tailler les poils différemment selon le sens de la tonte car les poils de barbe sont le plus souvent inclinés dans une direction vu qu'ils ne poussent presque jamais perpendiculairement à la peau. C'est ainsi que le résultat de tonte avec ces tondeuses est très différent selon le sens de déplacement sur la barbe à tailler. [0004] The mowers of the state of the art have a line of straight section at the intersection of the movable teeth and fixed teeth. They have the disadvantage of trimming the hair differently depending on the direction of the mowing because the beard hair is most often inclined in one direction as they grow almost never perpendicular to the skin. Thus the mowing result with these mowers is very different depending on the direction of movement on the beard to cut.
[0005] Les tondeuses qui comportent une ou plusieurs têtes de coupe rotatives à axe vertical entourées de peignes en forme de couronne et comportant des lames fixes selon la présente invention ne sont pas connus de l'état de la technique. Clippers that have one or more rotary cutting heads vertical axis surrounded by ring-shaped combs and having fixed blades according to the present invention are not known from the state of the art.
Buts de l'invention Goals of the invention
[0006] La présente invention vise à fournir une tondeuse à barbe avec une ou plusieurs têtes rotatives entourées de peignes de longueur ajustable permettant de régler la hauteur de coupe de la barbe, la tondeuse étant équipée de lames fixes à géométrie particulière, et de préférence interchangeables pour pouvoir être adaptées à tout type de barbe.  The present invention aims to provide a beard trimmer with one or more rotary heads surrounded by combs of adjustable length to adjust the cutting height of the beard, the mower being equipped with fixed blades of particular geometry, and preferably interchangeable to be suitable for any type of beard.
Résumé de l'invention Summary of the invention
[0007] La présente invention divulgue une tondeuse à barbe comportant une ou plusieurs têtes de coupe rotatives, lesdites têtes de coupe rotatives comportant une lame mobile et une lame fixe, chaque tête étant entourée d'un peigne en forme de couronne, ledit peigne étant réglable en hauteur et permettant de régler, en utilisation, la distance entre lesdites lames et la peau et d'adapter ainsi la coupe des poils de la barbe à la longueur désirée, caractérisée en ce que ladite tondeuse comporte une lame fixe dont la géométrie est caractérisée par : The present invention discloses a beard trimmer comprising one or more rotary cutting heads, said rotary cutting heads comprising a movable blade and a fixed blade, each head being surrounded by a ring-shaped comb, said comb being adjustable in height and used to adjust, in use, the distance between said blades and the skin and thus adapt the cut of the hair of the beard to the desired length, characterized in that said mower comprises a fixed blade whose geometry is characterized by:
- une longueur de dent L3 comprise entre 1 et 3 mm, de préférence entre 1 ,5 et 2 mm;  a tooth length L3 of between 1 and 3 mm, preferably between 1.5 and 2 mm;
- un angle d'ouverture entre les dents a compris entre 20 et 30°, de préférence entre 22 et 28°, de manière particulièrement préférée entre 24 et 27°;  - An opening angle between the teeth has between 20 and 30 °, preferably between 22 and 28 °, particularly preferably between 24 and 27 °;
- une largeur des dents L2 à leur extrémité comprise entre 0,3 et 1 mm, de préférence entre 0,4 et 0,9 mm.  a width of the teeth L2 at their end of between 0.3 and 1 mm, preferably between 0.4 and 0.9 mm.
[0008] Les modes d'exécution préférés de l'invention comportent au moins une, ou une combinaison quelconque appropriée des caractéristiques suivantes :  The preferred embodiments of the invention comprise at least one or any appropriate combination of the following characteristics:
- la lame fixe comporte entre 24 et 54 dents, de préférence entre 30 et 45 dents, et de manière particulièrement préférée de 32 à 40 dents ; the fixed blade comprises between 24 and 54 teeth, preferably between 30 and 45 teeth, and particularly preferably from 32 to 40 teeth;
- le diamètre de la lame fixe est compris entre 12 et 25 mm, de préférence entre 18 et 22 mm ;  the diameter of the fixed blade is between 12 and 25 mm, preferably between 18 and 22 mm;
- l'axe médian de l'angle d'ouverture a passe par le centre de la lame fixe ;  the median axis of the opening angle passes through the center of the fixed blade;
- l'axe médian de l'angle d'ouverture a ne passe pas par le centre de la lame fixe ;the median axis of the opening angle a does not pass through the center of the fixed blade;
- ladite lame fixe est interchangeable ; - ladite lame fixe et la lame mobile sont interchangeables ; said fixed blade is interchangeable; said fixed blade and the movable blade are interchangeable;
- ladite tondeuse comporte une, deux ou trois têtes rotatives ;  said mower comprises one, two or three rotating heads;
- le réglage en hauteur des peignes est motorisé et positionnable au demi millimètre près ;  - The height adjustment of the combs is motorized and positionable to half millimeter;
- ledit peigne permet le réglage d'une distance entre le mécanisme de coupe et la peau comprise entre 0 et 20 mm, de préférence entre 1 et 15 mm, et de manière particulièrement préférée entre 2 et 12 mm avec une précision de 0,5 mm. said comb makes it possible to adjust a distance between the cutting mechanism and the skin between 0 and 20 mm, preferably between 1 and 15 mm, and particularly preferably between 2 and 12 mm with an accuracy of 0.5. mm.
Brève description des figures Brief description of the figures
[0009] La figure 1 représente une tondeuse à barbe selon l'invention comportant trois têtes rotatives. Le peigne en forme de couronne autour des têtes rotatives est montré dans trois hauteurs de réglage différentes. Ces trois réglages permettent par exemple d'obtenir des longueurs de poils de 2, de 6 et 10 mm. [0009] FIG. 1 represents a beard trimmer according to the invention comprising three rotary heads. The ring-shaped comb around the rotating heads is shown in three different setting heights. These three settings make it possible, for example, to obtain hair lengths of 2, 6 and 10 mm.
[0010] La figure 2 représente la tondeuse selon l'invention avec respectivement une ou deux têtes de coupe  Figure 2 shows the mower according to the invention with one or two cutting heads respectively.
[0011] La figure 3 représente schématiquement le mécanisme de réglage en hauteur des peignes.  Figure 3 shows schematically the mechanism for adjusting the height of the combs.
[0012] La figure 4 représente une vue de détail du réglage de la hauteur de coupe et du mécanisme de coupe.  Figure 4 shows a detail view of the setting of the cutting height and the cutting mechanism.
[0013] La figure 5 une vue de détail de l'agencement des lames mobiles et fixes sur un axe vertical et les paramètres clés de la lame fixe. Figure 5 is a detailed view of the arrangement of movable blades and fixed on a vertical axis and key parameters of the fixed blade.
[0014] Les figures 6 à 9 représentent trois exemples illustratifs de dimensionnements de la lame fixe selon l'invention. [0015] Liste des symboles de référence  Figures 6 to 9 show three illustrative examples of sizing of the fixed blade according to the invention. List of reference symbols
1. Tête rotative circulaire à axe vertical  1. Circular rotating head with vertical axis
2. Lame mobile  2. Moving blade
3. Lame fixe  3. Fixed blade
4. Peigne en forme de couronne entourant la tête de coupe  4. Crown-shaped comb surrounding the cutting head
5. Capot  5. Hood
Description détaillée de l'invention Detailed description of the invention
[0016] Contrairement aux tondeuses de barbe de l'état de la technique, la tondeuse selon la présente invention présente une ou plusieurs têtes rotatives circulaires 1 à axe vertical, entourées de peignes 4 en forme de couronne dont la hauteur est réglable au demi millimètre près. Ce réglage peut être manuel ou motorisé (non représenté). Cette tondeuse permet un déplacement en arcs de cercles sur la barbe tout comme un rasoir à têtes rotatives. Ce type de mouvement a l'avantage d'entamer la taille des poils par tous les côtés, quelle que soit l'inclinaison de ceux-ci par rapport à la peau, ce qui a pour résultat une taille uniforme de la barbe. Unlike beard trimmers of the state of the art, the mower according to the present invention has one or more circular rotary heads 1 with a vertical axis, surrounded by combs 4 in the form of a crown whose height is adjustable to half a millimeter near. This setting can be manual or motorized (not shown) This mower allows movement in arcs of circles on the beard just like a razor with rotating heads. This type of movement has the advantage of cutting the size of the hair from all sides, regardless of the inclination of the latter relative to the skin, which results in an even size of the beard.
[0017] Le mouvement des peignes 4 redresse les poils qui finissent par pénétrer de l'extérieur vers l'intérieur via l'espace laissé entre deux dents dans la zone de taille. La forme particulière des dents du peigne 4, qui s'affinent progressivement vers la pointe, permet une pénétration facile des poils de barbe vers l'élément de tonte composé d'une lame fixe 3 et d'une lame mobile 2. The movement of the combs 4 straightens the bristles which end up penetrating from the outside to the inside via the space left between two teeth in the waist area. The particular shape of the teeth of the comb 4, which gradually tapers towards the tip, allows easy penetration of the beard hair towards the cutting element composed of a fixed blade 3 and a movable blade 2.
[0018] La hauteur des peignes téléscopiques 4 peut être réglée approximativement entre 0 et 15 mm, de préférence entre 0 et 12 mm, et de manière particulièrement préférée entre 0 et 10 mm. Les peignes sont donc presque complètement escamotables dans le capot 6 pour occuper moins d'espace lors du rangement de la tondeuse. The height of the telescopic combs 4 can be set approximately between 0 and 15 mm, preferably between 0 and 12 mm, and particularly preferably between 0 and 10 mm. The combs are almost completely retractable in the hood 6 to take up less space when storing the mower.
[0019] Le capot 5 entourant la ou les têtes rotatives est amovible pour faciliter le nettoyage du mécanisme de coupe. The cover 5 surrounding the rotating head or heads is removable to facilitate cleaning of the cutting mechanism.
[0020] La lame fixe 3 comporte des entailles radiales où les entailles forment un angle symétrique ou asymétrique avec la ligne rejoignant l'axe de la lame fixe, ce qui favorise la pénétration des poils dans le mécanisme de coupe.  The fixed blade 3 has radial notches where the notches form a symmetrical or asymmetrical angle with the line joining the axis of the fixed blade, which promotes the penetration of the hairs in the cutting mechanism.
[0021] L'épaisseur des poils d'une barbe et leur densité est très variable d'une personne à l'autre. Il est donc parfois difficile de prévoir quel type de lame fixe fonctionnera de manière optimale pour l'utilisateur. C'est la raison pour laquelle la tondeuse selon l'invention comporte des lames mobile et fixe qui sont de préférence interchangeables. Dans un mode d'exécution préféré de l'invention, la tondeuse peut être accompagnée d'un jeu de lames interchangeables. The thickness of the hair of a beard and their density is very variable from one person to another. It is therefore sometimes difficult to predict which type of fixed blade will operate optimally for the user. This is the reason why the mower according to the invention comprises movable and fixed blades which are preferably interchangeable. In a preferred embodiment of the invention, the mower may be accompanied by a set of interchangeable blades.
[0022] Par ailleurs, l'usure de la lame peut également être plus importante que l'usure des lames de rasoir, ce qui peut nécessiter un remplacement plus fréquent des lames.  Moreover, the wear of the blade can also be greater than the wear of the razor blades, which may require more frequent replacement of the blades.
[0023] Les paramètres clés de la lame fixe sont représentés à la figure 5. L1 représente la distance entre les dents de la lame fixe sur le diamètre extérieur de celle- ci. L2 représente la largeur de l'extrémité de la dent sur le diamètre extérieur de la lame. L3 représente la longueur de la dent et a représente l'angle d'ouverture entre deux dents de la lame fixe.  The key parameters of the fixed blade are shown in Figure 5. L1 represents the distance between the teeth of the fixed blade on the outer diameter thereof. L2 represents the width of the end of the tooth on the outer diameter of the blade. L3 represents the length of the tooth and represents the opening angle between two teeth of the fixed blade.
[0024] Les lames fixes peuvent présenter une longueur de dent L3 très variable. Elle peut varier de 0,5 à 4 mm mais elle est généralement comprise entre 1 et 3 mm, de préférence entre 1 ,5 et 2 mm. La longueur choisie pour les dents doit évidemment être en rapport avec le diamètre de la lame fixe et le nombre de dents envisagées. C'est ainsi qu'une lame de diamètre important, par exemple 25 mm, et un faible nombre de dents permet une longueur de dent L3 plus importante qu'avec un grand nombre de dents. La lame fixe comporte généralement entre 24 et 54 dents, de préférence entre 30 et 45 dents. Le diamètre de la lame fixe est généralement compris entre 12 et 25 mm, de préférence entre 18 et 22 mm. The fixed blades may have a length of L3 tooth very variable. It can vary from 0.5 to 4 mm but is generally between 1 and 3 mm, preferably between 1, 5 and 2 mm. The length chosen for the teeth must obviously be related to the diameter of the fixed blade and the number of teeth envisaged. Thus, a blade of large diameter, for example 25 mm, and a small number of teeth allows a longer tooth length L3 than with a large number of teeth. The fixed blade generally has between 24 and 54 teeth, preferably between 30 and 45 teeth. The diameter of the fixed blade is generally between 12 and 25 mm, preferably between 18 and 22 mm.
[0025] Les contraintes mécaniques et l'agressivité du contact avec la peau obligent aussi le constructeur de lames à conserver une certaine largeur de dent L2 à leur extrémité. Ici, la latitude est généralement comprise entre 0,3 et 1 mm, de préférence entre 0,4 et 0,9 mm.  The mechanical constraints and the aggressiveness of the contact with the skin also require the blade manufacturer to maintain a certain tooth width L2 at their end. Here, the latitude is generally between 0.3 and 1 mm, preferably between 0.4 and 0.9 mm.
[0026] Par ailleurs, les dimensions L2 et L3 conditionnent bien entendu l'angle d'ouverture a et donc L1 pour un même diamètre. L'angle d'ouverture a est généralement compris entre 20 et 30°, de préférence entre 22 et 28°. Cet angle d'ouverture a est défini par un axe médian qui ne doit pas obligatoirement passer par le centre de la lame fixe. Dans ce cas, on parlera « d'angle asymétrique ».  Moreover, the dimensions L2 and L3 of course condition the opening angle a and therefore L1 for the same diameter. The opening angle a is generally between 20 and 30 °, preferably between 22 and 28 °. This opening angle a is defined by a median axis which does not have to go through the center of the fixed blade. In this case, we will speak of "asymmetrical angle".
[0027] Il est bien entendu que la présente invention exclut les combinaisons de dimensions L2, L3 et a qui sont impossibles à réaliser sur le plan de la géométrie et que l'homme de métier ne prendra en considération que les combinaisons des paramètres qui sont techniquement réalisables. Des exemples illustratifs de dimensionnements sont donnés aux figures 6 à 9.  It is understood that the present invention excludes combinations of dimensions L2, L3 and a which are impossible to achieve in terms of geometry and that the skilled person will only consider combinations of parameters that are technically feasible. Illustrative examples of sizing are given in Figures 6 to 9.
Exemples Examples
Exemple 1 Example 1
[0028] La figure 6 représente une lame fixe avec 40 dents et un angle d'ouverture entre les dents symétrique par rapport au rayon de la lame fixe. Dans cet exemple, L3 = 1 ,9 mm ; L2 = 0,6 mm et a = 22°.  Figure 6 shows a fixed blade with 40 teeth and an opening angle between the teeth symmetrical with respect to the radius of the fixed blade. In this example, L3 = 1.9 mm; L2 = 0.6 mm and a = 22 °.
Exemple 2 Example 2
[0029] La figure 7 représente une lame fixe avec 32 dents et un angle d'ouverture entre les dents symétrique par rapport au rayon de la lame fixe. Dans cet exemple, L3 = 1 ,8 mm ; L2 = 0,8 mm et a = 26,1 °.  Figure 7 shows a fixed blade with 32 teeth and an opening angle between the teeth symmetrical with respect to the radius of the fixed blade. In this example, L3 = 1.8 mm; L2 = 0.8 mm and a = 26.1 °.
Exemple 3 Example 3
[0030] La figure 8 représente une lame fixe avec 32 dents et un angle d'ouverture entre les dents asymétrique par rapport au rayon de la lame fixe. Dans cet exemple, L3 = 2 mm ; L2 = 0,6 mm et a = 26,1 °. Exemple 4 Figure 8 shows a fixed blade with 32 teeth and an opening angle between the teeth asymmetric with respect to the radius of the fixed blade. In this example, L3 = 2 mm; L 2 = 0.6 mm and a = 26.1 °. Example 4
[0031] La figure 9 représente une lame fixe avec 40 dents et un angle d'ouverture entre les dents symétrique par rapport au rayon de la lame fixe. Dans cet exemple, L3 = 1 ,8 mm ; L2 = 0,4 mm et a = 26,1 °.  Figure 9 shows a fixed blade with 40 teeth and an opening angle between the teeth symmetrical with respect to the radius of the fixed blade. In this example, L3 = 1.8 mm; L2 = 0.4 mm and a = 26.1 °.

Claims

REVENDICATIONS
1. Tondeuse à barbe comportant une ou plusieurs têtes de coupe rotatives (1 ), lesdites têtes de coupe rotatives comportant une lame mobile (2) et une lame fixe (3), chaque tête étant entourée d'un peigne (4) en forme de couronne, ledit peigne (4) étant réglable en hauteur et permettant de régler, en utilisation, la distance entre lesdites lames (2,3) et la peau et d'adapter ainsi la coupe des poils de la barbe à la longueur désirée, caractérisée en ce que ladite tondeuse comporte une lame fixe dont la géométrie est caractérisée par : 1. A beard trimmer comprising one or more rotary cutting heads (1), said rotary cutting heads comprising a movable blade (2) and a fixed blade (3), each head being surrounded by a comb (4) shaped crown, said comb (4) being adjustable in height and making it possible to adjust, in use, the distance between said blades (2, 3) and the skin and thus to adapt the cut of the hairs of the beard to the desired length, characterized in that said mower comprises a fixed blade whose geometry is characterized by:
- une longueur de dent L3 comprise entre 1 et 3 mm, de préférence entre 1 ,5 et 2 mm; a tooth length L3 of between 1 and 3 mm, preferably between 1.5 and 2 mm;
- un angle d'ouverture entre les dents a compris entre 20 et 30°, de préférence entre 22 et 28°, de manière particulièrement préférée entre 24 et 27°;  - An opening angle between the teeth has between 20 and 30 °, preferably between 22 and 28 °, particularly preferably between 24 and 27 °;
- une largeur des dents L2 à leur extrémité comprise entre 0,3 et 1 mm, de préférence entre 0,4 et 0,9 mm.  a width of the teeth L2 at their end of between 0.3 and 1 mm, preferably between 0.4 and 0.9 mm.
2. Tondeuse à barbe selon la revendication 1 , caractérisée en ce que ladite lame fixe comporte entre 24 et 54 dents, de préférence entre 30 et 45 dents, et de manière particulièrement préférée de 32 à 40 dents.  2. Beard trimmer according to claim 1, characterized in that said fixed blade has between 24 and 54 teeth, preferably between 30 and 45 teeth, and particularly preferably 32 to 40 teeth.
3. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que le diamètre de la lame fixe est compris entre 12 et Beard trimmer according to one of the preceding claims, characterized in that the diameter of the fixed blade is between 12 and
25 mm, de préférence entre 18 et 22 mm. 25 mm, preferably between 18 and 22 mm.
4. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que l'axe médian de l'angle d'ouverture a passe par le centre de la lame fixe (3).  4. Beard trimmer according to any one of the preceding claims, characterized in that the central axis of the opening angle a passes through the center of the fixed blade (3).
5. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que l'axe médian de l'angle d'ouverture a ne passe pas par le centre de la lame fixe (3).  5. Beard trimmer according to any one of the preceding claims, characterized in that the central axis of the opening angle a does not pass through the center of the fixed blade (3).
6. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que ladite lame fixe (3) est interchangeable.  6. Beard trimmer according to any one of the preceding claims, characterized in that said fixed blade (3) is interchangeable.
7. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que ladite lame fixe (3) et la lame mobile (2) sont interchangeables.  7. Beard trimmer according to any one of the preceding claims, characterized in that said fixed blade (3) and the movable blade (2) are interchangeable.
8. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que ladite tondeuse comporte une, deux ou trois têtes rotatives (1 ). 8. Beard trimmer according to any one of the preceding claims, characterized in that said mower comprises one, two or three rotating heads (1).
9. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que le réglage en hauteur des peignes (4) est motorisé et positionnable au demi millimètre près. 9. Beard trimmer according to any one of the preceding claims, characterized in that the height adjustment of the combs (4) is motorized and positionable to half millimeter.
10. Tondeuse à barbe selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit peigne (4) permet le réglage d'une distance entre le mécanisme de coupe et la peau comprise entre 0 et 20 mm, de préférence entre 1 et 15 mm, et de manière particulièrement préférée entre 2 et 12 mm avec une précision de 0,5 mm.  10. Beard trimmer according to any one of the preceding claims, characterized in that said comb (4) allows the adjustment of a distance between the cutting mechanism and the skin between 0 and 20 mm, preferably between 1 and 15 mm, and particularly preferably between 2 and 12 mm with an accuracy of 0.5 mm.
EP16718340.9A 2015-06-08 2016-04-22 Beard trimmer with one or more rotating heads having a fixed blade with particular geometry Active EP3302901B1 (en)

Priority Applications (1)

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PL16718340T PL3302901T3 (en) 2015-06-08 2016-04-22 Beard trimmer with one or more rotating heads having a fixed blade with particular geometry

Applications Claiming Priority (2)

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EP15170952.4A EP3103599A1 (en) 2015-06-08 2015-06-08 Beard trimmer with one or more rotating heads having a fixed blade with particular geometry
PCT/EP2016/059029 WO2016198200A1 (en) 2015-06-08 2016-04-22 Beard trimmer with one or more rotary heads having a fixed blade with a particular shape

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EP3302901B1 EP3302901B1 (en) 2019-07-10

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US (1) US20180222066A1 (en)
EP (2) EP3103599A1 (en)
JP (1) JP6644089B2 (en)
KR (1) KR20180016439A (en)
CN (1) CN107735230B (en)
AU (1) AU2016274347A1 (en)
BR (1) BR112017025276A2 (en)
CA (1) CA2988447A1 (en)
DK (1) DK3302901T3 (en)
ES (1) ES2746265T3 (en)
HU (1) HUE046142T2 (en)
IL (1) IL255791A (en)
PH (1) PH12017502116A1 (en)
PL (1) PL3302901T3 (en)
RU (1) RU2687518C1 (en)
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US20180222066A1 (en) 2018-08-09
JP6644089B2 (en) 2020-02-12
EP3103599A1 (en) 2016-12-14
BR112017025276A2 (en) 2018-08-07
AU2016274347A1 (en) 2017-12-14
DK3302901T3 (en) 2019-10-07
JP2018516663A (en) 2018-06-28
KR20180016439A (en) 2018-02-14
CA2988447A1 (en) 2016-12-15
EP3302901B1 (en) 2019-07-10
RU2687518C1 (en) 2019-05-14
PL3302901T3 (en) 2020-01-31
HUE046142T2 (en) 2020-02-28
PH12017502116A1 (en) 2018-05-07
CN107735230A (en) 2018-02-23
SG11201709779QA (en) 2017-12-28
WO2016198200A1 (en) 2016-12-15
ES2746265T3 (en) 2020-03-05
CN107735230B (en) 2019-06-14
IL255791A (en) 2018-01-31

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