EP2676777A1 - Electric mower with novel attachment of a cutting head - Google Patents

Electric mower with novel attachment of a cutting head Download PDF

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Publication number
EP2676777A1
EP2676777A1 EP13171073.3A EP13171073A EP2676777A1 EP 2676777 A1 EP2676777 A1 EP 2676777A1 EP 13171073 A EP13171073 A EP 13171073A EP 2676777 A1 EP2676777 A1 EP 2676777A1
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EP
European Patent Office
Prior art keywords
housing
cutting
blade
cutting head
mower
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Granted
Application number
EP13171073.3A
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German (de)
French (fr)
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EP2676777B1 (en
Inventor
Sylvie Hoet
Martial Maisonneuve
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SEB SA
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SEB SA
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Publication of EP2676777A1 publication Critical patent/EP2676777A1/en
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Publication of EP2676777B1 publication Critical patent/EP2676777B1/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
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/06—Cutting heads therefor; Cutters therefor; Securing equipment thereof involving co-operating cutting elements both of which have shearing teeth

Definitions

  • the present invention relates to the technical field of electric hair clippers or beard.
  • Such clippers generally comprise a housing equipped with a cutting head which is composed of two blades animated by a relative movement of alternating oscillations provided by an electric motor.
  • the power supply of the motor is provided by one or more rechargeable accumulators disposed in the body of the mower, a wired power supply can also be considered.
  • the mower also includes one or more removable combs which are adapted to the housing or the cutting head to define a bearing surface on the epidermis of the user.
  • JP4507168 discloses a mower with a cutting head having at its opposite end to the cutting line nipples for forming with counterforms on the housing a pivot giving a rotational movement to the cutting head, and two hooks intended to come snap with two spring blades on the housing.
  • WO2007027443 discloses a mower comprising an unlocking device for switching between a holding state where the cutting head is in operative position and a state of loosening where the cutting blade block is in the open position.
  • the cutting head is mounted on the housing of the mower by sliding a receiving handle on a tongue of the casing actuated by a spring. The user pushes the block towards the operative position against a compressive force until a groove comes clipper with two hooks; the block is released to switch to the open position when the unlocking device is pressed which lowers the two hooks to maintain the block in place.
  • WO2010112135 which describes a mower having a first blade secured to sliding guide means on the body of the mower in a direction perpendicular to the cutting line for its placement; A second blade separated from the guide means forms with the first blade a cutting means.
  • the guiding means further comprises an unlocking device in the form of an additional piece consisting of a lever protruding from the guiding means and intended to release the first blade of the casing of the mower.
  • This document discloses a new system for fixing the cutting head on the body of the mower to reduce the area of attachment by replacing the movement of the introduction of the cutting head pivot by sliding. Nevertheless, this system requires a piece to be manipulated by the user for unlocking which increases the cost of production and complicates the use of the product.
  • the object of the invention is to overcome the aforementioned drawbacks and to propose a mower cheaper and simple to manufacture.
  • Another object of the invention is to provide a mower having a fixing area for the less bulky cutting head.
  • Another object of the invention is to provide a mower with better maneuverability for the user.
  • Yet another object of the invention is to provide a mower having better evacuation of cut hair.
  • Another object of the invention is to provide a mower with a mowerable cutting head that is quieter.
  • a hair or beard trimmer comprising: a substantially longitudinal gripping housing, a motor contained in the housing, and a cutting head comprising: a base including a means for slidably attaching the cutting head on one end of the case; cutting means at a cutting end of the base, said cutting means comprising a first cutting blade attached to said base and a second cutting blade to be driven in a substantially linear reciprocating movement with respect to at the first blade; guiding means secured to said second blade and for receiving an actuating means driven by said motor for driving the second blade.
  • the cutting head is detachable from the housing and comprises a housing locking means containing only a compression means arranged at a locking end opposite to the cutting end for holding said cutting head on the housing by clipping.
  • the two cutting blades are in the cutting head and are removable with the base simultaneously, which facilitates the handling of the dismounting of the cutting head for the user.
  • the reduction of the fixing area reduces the sound box due to collision noise between the actuating means and the guide means, the mower is quieter during operation.
  • the connection between the cutting head and the housing is more rigid thanks to the removal of the springs that can accentuate the moving the cutting head relative to the housing. This also improves the sound appearance of the product.
  • said compression means comprises a metal spring blade.
  • This metal spring blade is mounted integral with the base of the cutting head by fastening means such as bouterollage, screwing, gluing or clipping. This keeps the compactness of the cutting head without having a protruding part which is often fragile and can break.
  • Said compression means may also comprise two or more spring blades that can be clipped with the housing. However, the solution with a single blade spring at the back of the cutting head is more economical.
  • said attachment means comprises at least a first pair of hooks for sliding in a first pair of corresponding engagement grooves on the housing. These hooks are intended to properly position the cutting head relative to the housing by sliding in engagement grooves on the side walls of the housing. With a tight fit, a relatively stable hold is thus assigned to the cutting head.
  • said attachment means comprises a second pair of hooks for sliding in a second pair of corresponding engagement grooves on the housing.
  • the friction provided by the second pair of hooks and engagement grooves reinforces the maintenance of the cutting head and further assist the user during the introduction of the cutting head on the housing.
  • said actuating means is a peg integral with an eccentric cam driven by an output shaft of said motor.
  • the pin allows to drive the second blade in an oscillatory movement through the guide means.
  • the mower includes at least one comb mounted interchangeably on the housing in order to define a hair length to be cut.
  • the comb includes a series of teeth to separate and lift the locks of hair toward the cut line during use.
  • said comb is movably mounted and adjustable by adjusting means. This makes it possible to have a series of lengths of cuts possible by moving the comb.
  • the housing comprises a shoe adjacent to the cutting means.
  • the new fixing of the cutting head on the housing described here makes it possible to reduce the attachment area, thus bringing the inside surface of the cutting head closer to the upper surface of the box while advancing the cutting head at the front of the mower. .
  • This makes it possible to create a shoe having an outwardly offset shape of the body of the mower constituting, with the ends of the comb teeth, a relief promoting the evacuation of the cut hair.
  • a mower as illustrated in Figure 1 and generally referred to as 1 comprises a housing 2 defining a gripping area and enclosing an electric motor.
  • the mower 1 further comprises a cutting head 3 incorporating a cutting means 4 for cutting the hair or beard.
  • Said electric motor is not illustrated in the figure, but its implementation to make the second blade mobile remains within the reach of those skilled in the art of electric mowers.
  • the cutting head 3 is removable from the housing 2, as illustrated in FIG. Figure 2 and includes a base 31 for contacting the upper surface of the housing 2 for securing the cutting head 3 thereon.
  • the base 31 is a plastic part having substantially a U-shape comprising a cutting end EC at the top of the U on which a cutting means 4 is located.
  • Said cutting means comprises a first blade 32 secured to the base 31 by fastening means such as an interlocking, gluing, clipping or overmolding, and a second blade 33 for performing an oscillatory movement of va-and- comes with respect to the first blade 32 when the apparatus is turned on.
  • the cutting head further comprises a guiding means 34 connected to said second blade 33 for guiding it in its movement, said guiding means comprising a groove 341 intended to receive an actuating means 5 which is itself driven by engine.
  • the actuating means 5 is a pin integral with an eccentric cam 6 mounted on an output shaft 61 of the motor.
  • a spring 35 is put in place to press said guide means 34 against the first fixed blade 32 so that the contact between the latter and the second blade 33 is firm, the spring 35 being mounted partially fixed on the base.
  • the base 31 comprises a fastening means 37, 38 comprising two pairs of hooks 37 and 38 on the edges of the base 31, respectively at the top and at the bottom of the two sides of the U.
  • These hooks are sized so that they can slide in the corresponding engagement grooves 21, 22 on the housing as shown in FIG. Figure 3 .
  • These engagement grooves 21, 22 are positioned on the side walls of the housing in the attachment zone so that the hooks 37, 38 can be fully inserted therein by sliding towards the cutting line, for example in a direction orthogonal to the cutting line.
  • the base 31 comprises at the bottom of the U, opposite the cutting end EC, a locking end EV on which a compression means 8 is provided.
  • the compression means 8 is a metal spring blade intended to deform in order to clipper with a corresponding part of the casing 2 when the cutting head 3 is under pressure against the housing.
  • the clipping makes it possible to hold the hooks 37, 38 inserted in the engagement grooves 21, 22 against the movement of the second moving blade 33 and the severity of the cutting head 3.
  • the present invention also relates to a hair or beard trimmer equipped with one or more interchangeable combs 10, the comb 10 being mounted outside the body of the mower 1 and comprising a series of teeth 101.
  • Each comb 10 is dimensioned to a different length corresponding to a cutting length.
  • each comb has a range comprising several possible cutting lengths.
  • the user will have to take the body of the mower 1 not equipped with the cutting head 3 and position the latter on the end of the housing 2 where the engagement grooves 21, 22 and the means are located. 5.
  • the hooks 37, 38 will enter the engagement grooves 21, 22.
  • pressing the locking end EV of the cutting head towards the casing 2 of the mower 1 the user can fix the base 31 on the casing 2 by clipping between the compression means 8 and the casing 2.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

The trimmer has a longitudinal gripping case, and an electrical motor is contained in the case. A U-shaped base (31) comprises a set of hooks (37, 38), and a blade (32) is fixed at the base. Another blade (33) is intended to move linearly back and forth with regard to the former blade. A guidance unit (34) is arranged interdependent of the latter blade, and is intended to receive an actuation unit i.e. pin. A compression unit (8) or metal blade is arranged at a locking end (EV) opposed to a cut end (EC) so as to maintain a head on the case by clippings.

Description

La présente invention concerne le domaine technique des tondeuses électriques à cheveux ou à barbe. De telles tondeuses comprennent généralement un boîtier équipé d'une tête de coupe qui est composée de deux lames animées d'un mouvement relatif d'oscillations alternatives assuré par un moteur électrique. Le plus souvent, l'alimentation électrique du moteur est assurée par un ou plusieurs accumulateurs rechargeables disposés dans le corps de la tondeuse, une alimentation électrique filaire pouvant également être envisagée. Afin de pouvoir assurer un ajustement de la hauteur de coupe, la tondeuse comprend aussi un ou plusieurs peignes amovibles qui sont adaptés sur le boîtier ou la tête de coupe pour définir une surface d'appui sur l'épiderme de l'utilisateur.The present invention relates to the technical field of electric hair clippers or beard. Such clippers generally comprise a housing equipped with a cutting head which is composed of two blades animated by a relative movement of alternating oscillations provided by an electric motor. Most often, the power supply of the motor is provided by one or more rechargeable accumulators disposed in the body of the mower, a wired power supply can also be considered. In order to ensure a cutting height adjustment, the mower also includes one or more removable combs which are adapted to the housing or the cutting head to define a bearing surface on the epidermis of the user.

Pour des raisons d'hygiène et d'accessibilité, il est apparu le besoin de rendre la tête de coupe amovible ou encore démontable du boîtier pour pouvoir nettoyer les cheveux coupés ou changer la tête de coupe.For reasons of hygiene and accessibility, it appeared the need to make the cutting head removable or removable from the housing to be able to clean the cut hair or change the cutting head.

Une telle possibilité a été présentée dans le document EP447131 qui décrit une tondeuse comprenant une tête de coupe démontable ayant des moyens d'accrochage pour la fixation de la tête sur le boîtier de la tondeuse. Les moyens d'accrochage comprennent une protubérance au bord du bloc destinée à s'insérer dans une cavité sur le boîtier et deux formes d'accouplement destinées, par un mouvement en pivot, à coopérer avec des crochets solidaires au boîtier pour un maintien à trois points.Such a possibility was presented in the document EP447131 which describes a mower comprising a dismountable cutting head having attachment means for fixing the head on the housing of the mower. The hooking means comprise a protuberance at the edge of the block intended to fit into a cavity on the housing and two forms of coupling intended, by a pivotal movement, to cooperate with hooks secured to the housing for a three-way holding. points.

Un autre document JP4507168 décrit une tondeuse avec une tête de coupe comprenant à son extrémité opposée à la ligne de coupe des tétons destinés à former avec des contre-formes sur le boîtier un pivot donnant un mouvement en rotation à la tête de coupe, et deux crochets destinés à venir se clipper avec deux lames ressort sur le boîtier.Another document JP4507168 discloses a mower with a cutting head having at its opposite end to the cutting line nipples for forming with counterforms on the housing a pivot giving a rotational movement to the cutting head, and two hooks intended to come snap with two spring blades on the housing.

Encore un autre document WO2007027443 divulgue une tondeuse comprenant un dispositif de déverrouillage destiné à basculer entre un état de maintien où la tête de coupe est en position opérationnelle et un état de relâchement où le bloc de lames de coupe est en position ouverte. La tête de coupe est montée sur le boîtier de la tondeuse par un coulissement d'un manche de réception sur une languette du boîtier actionnée par un ressort. L'utilisateur pousse le bloc vers la position opérationnelle contre une force de compression jusqu'à ce qu'une rainure vienne clipper avec deux crochets ; le bloc est libéré pour basculer en position ouverte quand le dispositif de déverrouillage est appuyé ce qui fait descendre les deux crochets permettant de maintenir le bloc en place.Another document WO2007027443 discloses a mower comprising an unlocking device for switching between a holding state where the cutting head is in operative position and a state of loosening where the cutting blade block is in the open position. The cutting head is mounted on the housing of the mower by sliding a receiving handle on a tongue of the casing actuated by a spring. The user pushes the block towards the operative position against a compressive force until a groove comes clipper with two hooks; the block is released to switch to the open position when the unlocking device is pressed which lowers the two hooks to maintain the block in place.

Ces modes de fixation de la tête de coupe sur le corps de la tondeuse présentent un inconvénient d'encombrement important dû à la section triangulaire de la zone de fixation, délimitée par la surface intérieure de la tête de coupe, les parois horizontales sur lesquelles sont fixés les crochets et les parois verticales adjacentes aux lames de coupe. De plus, les crochets qui sont en matériau flexible accentuent le déplacement de la tête de coupe par rapport au boîtier et favorisent des chocs entre les pièces, ce qui fait augmenter le bruit pendant l'opération.These modes of attachment of the cutting head on the body of the mower have a disadvantage of large space due to the triangular section of the fastening area, delimited by the inner surface of the cutting head, the horizontal walls on which are attached the hooks and the vertical walls adjacent to the cutting blades. In addition, the hooks which are flexible material accentuate the displacement of the cutting head relative to the housing and promote shocks between the parts, which increases the noise during the operation.

On connait le document WO2010112135 qui décrit une tondeuse ayant une première lame solidaire d' un moyen de guidage coulissant sur le corps de la tondeuse dans une direction perpendiculaire à la ligne de coupe pour sa mise en place ; Une deuxième lame séparée du moyen de guidage forme avec la première lame un moyen de coupe. Le moyen de guidage comprend encore un dispositif de déverrouillage sous forme d'une pièce supplémentaire consistant en un levier dépassant le moyen de guidage et destiné à libérer la première lame du boîtier de la tondeuse. Ce document divulgue un nouveau système pour la fixation de la tête de coupe sur le corps de la tondeuse permettant de réduire la zone de fixation en remplaçant le mouvement de la mise en place de la tête de coupe en pivot par un coulissement. Néanmoins, ce système nécessite une pièce à manipuler par l'utilisateur pour le déverrouillage ce qui augmente le coût de la production et complique l'utilisation du produit.We know the document WO2010112135 which describes a mower having a first blade secured to sliding guide means on the body of the mower in a direction perpendicular to the cutting line for its placement; A second blade separated from the guide means forms with the first blade a cutting means. The guiding means further comprises an unlocking device in the form of an additional piece consisting of a lever protruding from the guiding means and intended to release the first blade of the casing of the mower. This document discloses a new system for fixing the cutting head on the body of the mower to reduce the area of attachment by replacing the movement of the introduction of the cutting head pivot by sliding. Nevertheless, this system requires a piece to be manipulated by the user for unlocking which increases the cost of production and complicates the use of the product.

Le but de l'invention est de remédier aux inconvénients susmentionnés et de proposer une tondeuse moins chère et simple à fabriquer.The object of the invention is to overcome the aforementioned drawbacks and to propose a mower cheaper and simple to manufacture.

Un autre but de l'invention est de fournir une tondeuse ayant une zone de fixation pour la tête de coupe moins encombrante.Another object of the invention is to provide a mower having a fixing area for the less bulky cutting head.

Un autre but de l'invention est de fournir une tondeuse ayant une meilleure maniabilité pour l'utilisateur.Another object of the invention is to provide a mower with better maneuverability for the user.

Encore un autre but de l'invention est de fournir une tondeuse ayant une meilleure évacuation des cheveux coupés.Yet another object of the invention is to provide a mower having better evacuation of cut hair.

Enfin, un autre but de l'invention est de fournir une tondeuse avec tête de coupe démontable plus silencieuseFinally, another object of the invention is to provide a mower with a mowerable cutting head that is quieter.

Ces buts sont atteints avec une tondeuse à cheveux ou à barbe comprenant : un boitier de préhension substantiellement longitudinal, un moteur contenu dans le boitier, et une tête de coupe comprenant : une base comprenant un moyen d'attache par coulissement de la tête de coupe sur une extrémité du boîtier; un moyen de coupe situé à une extrémité de coupe de la base, ledit moyen de coupe comprenant une première lame de coupe fixée à ladite base et une deuxième lame de coupe destinée à être entrainée en mouvement de va-et-vient substantiellement linéaire par rapport à la première lame; un moyen de guidage solidaire à ladite deuxième lame et destiné à recevoir un moyen d'actionnement entrainé par ledit moteur pour entrainer la deuxième lame. La tête de coupe est détachable du boitier et comprend un moyen de verrouillage au boitier contenant uniquement un moyen de compression agencé à une extrémité de verrouillage opposée à l'extrémité de coupe pour maintenir ladite tête de coupe sur le boitier par clippage.These objects are achieved with a hair or beard trimmer comprising: a substantially longitudinal gripping housing, a motor contained in the housing, and a cutting head comprising: a base including a means for slidably attaching the cutting head on one end of the case; cutting means at a cutting end of the base, said cutting means comprising a first cutting blade attached to said base and a second cutting blade to be driven in a substantially linear reciprocating movement with respect to at the first blade; guiding means secured to said second blade and for receiving an actuating means driven by said motor for driving the second blade. The cutting head is detachable from the housing and comprises a housing locking means containing only a compression means arranged at a locking end opposite to the cutting end for holding said cutting head on the housing by clipping.

Ici, les deux lames de coupe se trouvent dans la tête de coupe et sont démontables avec la base de façon simultanée, ce qui facilite la manipulation du démontage de la tête de coupe pour l'utilisateur. L'agencement du moyen de compression à l'arrière de la tête de coupe en lieu et place des deux crochets flexibles, comme il existe sur la plupart des tondeuses ayant une tête de coupe amovible ou démontable, permet de réduire la zone de fixation sans pour autant introduire de pièces supplémentaires pouvant augmenter le coût de la fabrication et gêner l'utilisation de l'appareil. La réduction de la zone de fixation permet de diminuer la caisse de résonance due au bruit de collision entre le moyen d'actionnement et le moyen de guidage, la tondeuse est donc plus silencieuse pendant le fonctionnement. Par ailleurs, la liaison entre la tête de coupe et le boîtier est plus rigide grâce à la suppression des ressorts pouvant accentuer le déplacement de la tête de coupe par rapport au boîtier. Ceci permet aussi d'améliorer encore l'aspect sonore du produit.Here, the two cutting blades are in the cutting head and are removable with the base simultaneously, which facilitates the handling of the dismounting of the cutting head for the user. The arrangement of the compression means at the rear of the cutting head instead of the two flexible hooks, as it exists on most mowers with a removable or removable cutting head, reduces the fixing area without however, to introduce additional parts that can increase the cost of manufacture and hinder the use of the device. The reduction of the fixing area reduces the sound box due to collision noise between the actuating means and the guide means, the mower is quieter during operation. Furthermore, the connection between the cutting head and the housing is more rigid thanks to the removal of the springs that can accentuate the moving the cutting head relative to the housing. This also improves the sound appearance of the product.

Selon un mode de réalisation, ledit moyen de compression comprend une lame ressort métallique. Cette lame ressort métallique est montée solidaire à la base de la tête de coupe par des moyens de fixation tel qu'un bouterollage, un vissage, un collage ou encore un clippage. Ceci permet de garder la compacité de la tête de coupe sans avoir de partie dépassante qui est souvent fragile et peut se casser. Ledit moyen de compression peut également comprendre deux ou plusieurs lames ressort pouvant venir se clipper avec le boîtier. Toutefois, la solution avec une seule lame ressort à l'arrière de la tête de coupe est plus économique.According to one embodiment, said compression means comprises a metal spring blade. This metal spring blade is mounted integral with the base of the cutting head by fastening means such as bouterollage, screwing, gluing or clipping. This keeps the compactness of the cutting head without having a protruding part which is often fragile and can break. Said compression means may also comprise two or more spring blades that can be clipped with the housing. However, the solution with a single blade spring at the back of the cutting head is more economical.

Avantageusement, ledit moyen d'attache comprend au moins une première paire de crochets destinés à coulisser dans une première paire de rainures d'engagement correspondantes sur le boitier. Ces crochets ont pour vocation de bien positionner la tête de coupe par rapport au boîtier en les coulissant dans des rainures d'engagement situées sur les parois latérales du boîtier. Avec un ajustement serré, un maintien relativement stable est ainsi attribué à la tête de coupe.Advantageously, said attachment means comprises at least a first pair of hooks for sliding in a first pair of corresponding engagement grooves on the housing. These hooks are intended to properly position the cutting head relative to the housing by sliding in engagement grooves on the side walls of the housing. With a tight fit, a relatively stable hold is thus assigned to the cutting head.

Selon un mode de réalisation, ledit moyen d'attache comprend une deuxième paire de crochets destinés à coulisser dans une deuxième paire de rainures d'engagement correspondantes sur le boîtier. Le frottement apporté par la deuxième paire de crochets et de rainures d'engagement permet de renforcer le maintien de la tête de coupe et d'aider davantage l'utilisateur lors de la mise en place de la tête de coupe sur le boîtier.According to one embodiment, said attachment means comprises a second pair of hooks for sliding in a second pair of corresponding engagement grooves on the housing. The friction provided by the second pair of hooks and engagement grooves reinforces the maintenance of the cutting head and further assist the user during the introduction of the cutting head on the housing.

Avantageusement, ledit moyen d'actionnement est un pion solidaire à une came excentrique entrainée par un arbre de sortie dudit moteur. Le pion permet d'entrainer la deuxième lame en un mouvement oscillatoire par le biais du moyen de guidage.Advantageously, said actuating means is a peg integral with an eccentric cam driven by an output shaft of said motor. The pin allows to drive the second blade in an oscillatory movement through the guide means.

De surcroît, la tondeuse comprend au moins un peigne monté interchangeable sur le boîtier afin de pouvoir définir une longueur des cheveux à couper. Le peigne comprend une série de dents destinées à bien séparer et soulever les mèches de cheveux vers la ligne de coupe pendant l'utilisation.In addition, the mower includes at least one comb mounted interchangeably on the housing in order to define a hair length to be cut. The comb includes a series of teeth to separate and lift the locks of hair toward the cut line during use.

Avantageusement, ledit peigne est monté mobile et réglable par des moyens de réglage. Ceci permet d'avoir une série de longueurs de coupes possible en déplaçant le peigne.Advantageously, said comb is movably mounted and adjustable by adjusting means. This makes it possible to have a series of lengths of cuts possible by moving the comb.

Enfin, selon un mode de réalisation de l'invention, le boitier comprend un sabot adjacent aux moyens de coupe. La nouvelle fixation de la têtede coupe sur le boitier décrite ici permet de réduire la zone de fixation donc de rapprocher la surface intérieure de la tête de coupe vers la surface supérieure du boitier tout en avançant la tête de coupe à l'avant de la tondeuse. Ceci permet de créer un sabot présentant une forme décalée vers l'extérieur du corps de la tondeuse constituant, avec les extrémités des dents de peigne, un dégagement favorisant l'évacuation des cheveux coupés.Finally, according to one embodiment of the invention, the housing comprises a shoe adjacent to the cutting means. The new fixing of the cutting head on the housing described here makes it possible to reduce the attachment area, thus bringing the inside surface of the cutting head closer to the upper surface of the box while advancing the cutting head at the front of the mower. . This makes it possible to create a shoe having an outwardly offset shape of the body of the mower constituting, with the ends of the comb teeth, a relief promoting the evacuation of the cut hair.

L'invention sera mieux comprise à l'étude du mode principal de réalisation pris à titre nullement limitatif et illustré dans les figures annexées dans lesquelles :

  • La Figure 1 est une vue en perspective de la tondeuse.
  • La Figure 2 est une vue en perspective de l'ensemble de la tête de coupe.
  • La Figure 3 est une vue en perspective d'une partie du boîtier sur laquelle est fixée la tête de coupe.
  • La Figure 4 est une vue en perspective de la tondeuse avec un peigne monté sur le boîtier.
The invention will be better understood from the study of the main embodiment taken as a non-limitative manner and illustrated in the appended figures in which:
  • The Figure 1 is a perspective view of the mower.
  • The Figure 2 is a perspective view of the entire cutting head.
  • The Figure 3 is a perspective view of a portion of the housing on which is fixed the cutting head.
  • The Figure 4 is a perspective view of the mower with a comb mounted on the housing.

Une tondeuse telle qu'illustrée à la Figure 1 et désignée dans son ensemble par la référence 1 comprend un boîtier 2 définissant une zone de préhension et renfermant un moteur électrique. La tondeuse 1 comprend encore une tête de coupe 3 intégrant un moyen de coupe 4 destiné à couper les cheveux ou la barbe. Ledit moteur électrique n'est pas illustré sur la figure mais son implémentation pour rendre mobile la deuxième lame reste à la portée de l'homme du métier des tondeuses électriques.A mower as illustrated in Figure 1 and generally referred to as 1 comprises a housing 2 defining a gripping area and enclosing an electric motor. The mower 1 further comprises a cutting head 3 incorporating a cutting means 4 for cutting the hair or beard. Said electric motor is not illustrated in the figure, but its implementation to make the second blade mobile remains within the reach of those skilled in the art of electric mowers.

La tête de coupe 3 est démontable du boîtier 2, comme illustré à la Figure 2, et comprend une base 31 destinée à entrer en contact avec la surface supérieure du boîtier 2 pour la fixation de la tête de coupe 3 sur celui-ci. La base 31 est une pièce plastique ayant sensiblement une forme en U comprenant une extrémité de coupe EC en haut du U sur laquelle se situe un moyen de coupe 4. Ledit moyen de coupe comprend une première lame 32 solidaire à la base 31 par des moyens de fixation tels qu'un bouterollage, un collage, un clippage ou un surmoulage, et une deuxième lame 33 destinée à effectuer un mouvement oscillatoire de va-et- vient par rapport à la première lame 32 quand l'appareil est mis en marche. La tête de coupe comprend en outre un moyen de guidage 34 relié à ladite deuxième lame 33 afin de la guider dans son mouvement, ledit moyen de guidage comprenant une rainure 341 destinée à recevoir un moyen d'actionnement 5 qui est entrainé lui-même par le moteur. Tel que visible à la Figure 3, le moyen d'actionnement 5 est un pion solidaire à une came excentrique 6 monté sur un arbre de sortie 61 du moteur. Un ressort 35 est mis en place pour presser ledit moyen de guidage 34 contre la première lame 32 fixe pour que le contact entre celle-ci et la deuxième lame 33 soit ferme, le ressort 35 étant monté partiellement fixe sur la base. Ceci est une construction connue de la tête de coupe dans l'état de l'art et ne sera pas décrite en détail pour son fonctionnement. On peut également imaginer d'autres constructions possibles permettant de réaliser la fonction de coupe.The cutting head 3 is removable from the housing 2, as illustrated in FIG. Figure 2 and includes a base 31 for contacting the upper surface of the housing 2 for securing the cutting head 3 thereon. The base 31 is a plastic part having substantially a U-shape comprising a cutting end EC at the top of the U on which a cutting means 4 is located. Said cutting means comprises a first blade 32 secured to the base 31 by fastening means such as an interlocking, gluing, clipping or overmolding, and a second blade 33 for performing an oscillatory movement of va-and- comes with respect to the first blade 32 when the apparatus is turned on. The cutting head further comprises a guiding means 34 connected to said second blade 33 for guiding it in its movement, said guiding means comprising a groove 341 intended to receive an actuating means 5 which is itself driven by engine. As visible at Figure 3 , the actuating means 5 is a pin integral with an eccentric cam 6 mounted on an output shaft 61 of the motor. A spring 35 is put in place to press said guide means 34 against the first fixed blade 32 so that the contact between the latter and the second blade 33 is firm, the spring 35 being mounted partially fixed on the base. This is a known construction of the cutting head in the state of the art and will not be described in detail for its operation. One can also imagine other possible constructions for performing the cutting function.

Toujours à la Figure 2, la base 31 comprend un moyen d'attache 37,38 comprenant deux paires de crochets 37 et 38 sur les bords de la base 31, respectivement en haut et en bas des deux cotés du U. Ces crochets sont dimensionnés pour qu'ils puissent coulisser dans les rainures d'engagement 21, 22 correspondantes sur le boîtier comme montrées à la Figure 3. Ces rainures d'engagement 21, 22 sont positionnées sur les parois latérales du boîtier dans la zone de fixation afin que les crochets 37, 38 puissent y être insérés entièrement par un coulissement vers la ligne de coupe, par exemple dans une direction orthogonale à la ligne de coupe. Ici, on préfère un ajustement serré entre les crochets 37, 38 et les fonds des rainures d'engagement 21, 22, ainsi le frottement entre les deux parties est suffisamment important pour favoriser le maintien de la tête de coupe sur le boîtier.Always at the Figure 2 the base 31 comprises a fastening means 37, 38 comprising two pairs of hooks 37 and 38 on the edges of the base 31, respectively at the top and at the bottom of the two sides of the U. These hooks are sized so that they can slide in the corresponding engagement grooves 21, 22 on the housing as shown in FIG. Figure 3 . These engagement grooves 21, 22 are positioned on the side walls of the housing in the attachment zone so that the hooks 37, 38 can be fully inserted therein by sliding towards the cutting line, for example in a direction orthogonal to the cutting line. Here, it is preferred a tight fit between the hooks 37, 38 and the bottoms of the engagement grooves 21, 22, so the friction between the two parts is large enough to promote the maintenance of the cutting head on the housing.

Dans l'objectif de pouvoir bloquer la tête de coupe 3 dans son mouvement lorsqu'elle est mise en place, la base 31 comprend en bas du U, à l'opposé de l'extrémité de coupe EC une extrémité de verrouillage EV sur laquelle est agencé un moyen de compression 8. A titre d'exemple, le moyen de compression 8 est une lame ressort métallique destinée à se déformer afin de clipper avec une partie correspondante du boîtier 2 lorsque la tête de coupe 3 est sous force d'appui contre le boîtier. Le clippage permet de maintenir les crochets 37, 38 insérés dans les rainures d'engagement 21, 22 contre le mouvement de la deuxième lame 33 mobile et la gravité de la tête de coupe 3. Toutefois, il sera toujours facile pour l'utilisateur de démonter la tête de coupe 3 du boîtier 2 par une simple poussée sur l'extrémité de coupe EC.In order to be able to block the cutting head 3 in its movement when it is put in place, the base 31 comprises at the bottom of the U, opposite the cutting end EC, a locking end EV on which a compression means 8 is provided. By way of example, the compression means 8 is a metal spring blade intended to deform in order to clipper with a corresponding part of the casing 2 when the cutting head 3 is under pressure against the housing. The clipping makes it possible to hold the hooks 37, 38 inserted in the engagement grooves 21, 22 against the movement of the second moving blade 33 and the severity of the cutting head 3. However, it will always be easy for the user to disassemble the cutting head 3 of the housing 2 by simply pushing on the cutting end EC.

Tel que visible à la Figure 4, la présente invention concerne également une tondeuse à cheveux ou à barbe équipée d'un ou plusieurs peignes interchangeables 10, le peigne 10 étant monté à l'extérieur du corps de la tondeuse 1 et comprenant une série de dents 101. Chaque peigne 10 est dimensionné à une longueur différente correspondant à une longueur de coupe. Dans le cas où le peigne est amovible le long du corps de la tondeuse et réglable par un moyen de réglage 9, chaque peigne présente une plage comprenant plusieurs longueurs de coupes possibles. Quand les dents 101 du peigne 10 sont trop près du boîtier 2 de la tondeuse 1, il peut y avoir un bourrage de cheveux coupés considérable pouvant gêner l'utilisation et l'efficacité de l'appareil. Grâce à la nouvelle fixation de la tête de coupe décrite précédemment, on a la possibilité d'avancer le moyen de coupe 4 pour qu'il soit dégagé par rapport au boîtier 2 de la tondeuse 1, le moyen de coupe étant adjacent à un sabot 7 qui est lui-même dégagé du boîtier et qui constitue, avec les extrémités des dents de peigne 102, un dégagement 71 favorisant l'évacuation des cheveux coupés.As visible at Figure 4 the present invention also relates to a hair or beard trimmer equipped with one or more interchangeable combs 10, the comb 10 being mounted outside the body of the mower 1 and comprising a series of teeth 101. Each comb 10 is dimensioned to a different length corresponding to a cutting length. In the case where the comb is removable along the body of the mower and adjustable by an adjusting means 9, each comb has a range comprising several possible cutting lengths. When the teeth 101 of the comb 10 are too close to the housing 2 of the mower 1, there can be a considerable cut hair clogging that can hinder the use and effectiveness of the device. Thanks to the new fixing of the cutting head described above, it is possible to advance the cutting means 4 so that it is clear with respect to the housing 2 of the mower 1, the cutting means being adjacent to a shoe 7 which is itself clear of the housing and which is, with the ends of the comb teeth 102, a clearance 71 promoting the evacuation of cut hair.

En fonctionnement, l'utilisateur sera amené à prendre le corps de la tondeuse 1 non équipé de la tête de coupe 3 et venir positionner cette dernière sur l'extrémité du boîtier 2 où se trouvent les rainures d'engagement 21, 22 et le moyen d'actionnement 5. Par une simple poussée sur la tête de coupe 3 vers le sabot 7 dans une direction orthogonale à la ligne de coupe, les crochet 37, 38 entreront dans les rainures d'engagement 21, 22. Par la suite, en appuyant sur l'extrémité de verrouillage EV de la tête de coupe vers le boîtier 2 de la tondeuse 1, l'utilisateur peut fixer la base 31 sur le boîtier 2 par un clippage entre le moyen de compression 8 et le boîtier 2.In operation, the user will have to take the body of the mower 1 not equipped with the cutting head 3 and position the latter on the end of the housing 2 where the engagement grooves 21, 22 and the means are located. 5. By a simple push on the cutting head 3 towards the shoe 7 in a direction orthogonal to the cutting line, the hooks 37, 38 will enter the engagement grooves 21, 22. Thereafter, pressing the locking end EV of the cutting head towards the casing 2 of the mower 1, the user can fix the base 31 on the casing 2 by clipping between the compression means 8 and the casing 2.

Bien entendu, d'autres modifications peuvent être apportées à l'invention dans le cadre des revendications annexées.Of course, other modifications may be made to the invention within the scope of the appended claims.

Claims (8)

Tondeuse(1) à cheveux ou à barbe comprenant : a) un boitier (2) de préhension substantiellement longitudinal, b) un moteur contenu dans le boitier(2), c) une tête de coupe(3) comprenant : - Une base (31) comprenant un moyen d'attache (37,38) par coulissement de la tête de coupe(3) sur une extrémité du boîtier(2), - Un moyen de coupe(4) situé à une extrémité de coupe(EC) de la base (31), ledit moyen de coupe comprenant une première lame(32) de coupe fixée à ladite base(31) et une deuxième lame(33) de coupe destinée à être entrainée en mouvement de va -et-vient substantiellement linéaire par rapport à la première lame(32), - Un moyen de guidage(34) solidaire à ladite deuxième lame(33) et destiné à recevoir un moyen d'actionnement (5) entrainé par ledit moteur pour entrainer la deuxième lame(33); Caractérisée en ce que,
La tête de coupe(3) est détachable du boitier et comprend un moyen de verrouillage au boitier (2) contenant uniquement un moyen de compression(8) agencé à une extrémité de verrouillage(EV) opposée à l'extrémité de coupe(EC) pour maintenir ladite tête de coupe(3) sur le boitier(2) par clippage. Trimmer (1) with hair or beard comprising: a) a substantially longitudinal gripping housing (2), b) a motor contained in the housing (2), c) a cutting head (3) comprising: A base (31) comprising means (37,38) for slidably attaching the cutting head (3) to one end of the housing (2), - A cutting means (4) at a cutting end (EC) of the base (31), said cutting means comprising a first cutting blade (32) attached to said base (31) and a second blade (33). ) for cutting to be driven in reciprocating motion substantially linear with respect to the first blade (32), - Guiding means (34) integral with said second blade (33) and for receiving an actuating means (5) driven by said motor for driving the second blade (33); Characterized in that ,
The cutting head (3) is detachable from the housing and comprises a locking means to the housing (2) containing only a compression means (8) arranged at a locking end (EV) opposite the cutting end (EC) for holding said cutting head (3) on the housing (2) by clipping. Tondeuse selon la revendication 1, caractérisée en ce que ledit moyen de compression(8) comprend une lame ressort métallique.Mower according to claim 1, characterized in that said compression means (8) comprises a metal spring blade. Tondeuse selon la revendication 1 ou 2, caractérisée en ce que ledit moyen d'attache (37,38) comprend au moins une première paire de crochets(37) destinés à coulisser dans une première paire de rainures d'engagement(21) correspondantes sur le boitier(2).Mower according to claim 1 or 2, characterized in that said attachment means (37,38) comprises at least a first pair of hooks (37) for sliding in a first pair of corresponding engagement grooves (21) on the case (2). Tondeuse selon la revendication 3, caractérisée en ce que ledit moyen d'attache (37,38) comprend une deuxième paire de crochets (38) destinés à coulisser dans une deuxième paire de rainures d'engagement(22) correspondantes sur le boitier(2).Mower according to claim 3, characterized in that said attachment means (37,38) comprises a second pair of hooks (38) intended to slide in a second pair of corresponding engagement grooves (22) on the housing (2 ). Tondeuse selon une des revendications précédentes, caractérisée en ce que ledit moyen d'actionnement(5) est un pion solidaire à une came excentrique(6) entrainée par un arbre de sortie dudit moteur.Mower according to one of the preceding claims, characterized in that said actuating means (5) is a pin integral with an eccentric cam (6) driven by an output shaft of said motor. Tondeuse selon une des revendications précédentes, caractérisée en ce qu'elle comprend au moins un peigne(10) monté interchangeable sur le boitier(2).Mower according to one of the preceding claims, characterized in that it comprises at least one comb (10) mounted interchangeably on the housing (2). Tondeuse selon la revendication précédente, caractérisée en ce que ledit peigne(10) est monté mobile et réglable par des moyens de réglage(9).Mower according to the preceding claim, characterized in that said comb (10) is mounted movable and adjustable by adjusting means (9). Tondeuse selon une des revendications précédentes, caractérisée en ce que le boitier (2) comprend un sabot (7) adjacent aux moyens de coupe.Mower according to one of the preceding claims, characterized in that the housing (2) comprises a shoe (7) adjacent to the cutting means.
EP13171073.3A 2012-06-20 2013-06-07 Electric mower with novel attachment of a cutting head Active EP2676777B1 (en)

Applications Claiming Priority (1)

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FR1255806A FR2992251B1 (en) 2012-06-20 2012-06-20 ELECTRIC MOWER WITH NEW FIXING OF A CUTTING HEAD

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EP2676777A1 true EP2676777A1 (en) 2013-12-25
EP2676777B1 EP2676777B1 (en) 2015-12-30

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CN (1) CN203471810U (en)
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CN103507094A (en) * 2013-09-27 2014-01-15 何东波 Electric hair cutter
CN105643670A (en) * 2014-11-28 2016-06-08 松下知识产权经营株式会社 Small-size electrical appliance and electromotive unit of the same

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US11014253B2 (en) 2014-09-17 2021-05-25 Andis Company Blade assembly having entrapped spring
CN104890021B (en) * 2015-05-18 2016-08-24 宁波真和电器股份有限公司 The cutter head of a kind of hair scissors and the attachment structure of main frame
CN108356857B (en) * 2017-01-26 2020-03-03 松下知识产权经营株式会社 Electric shaver
AU2020272580A1 (en) * 2019-04-11 2021-10-14 Andis Company Blade assembly having entrapped spring

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CN103507094A (en) * 2013-09-27 2014-01-15 何东波 Electric hair cutter
CN105643670A (en) * 2014-11-28 2016-06-08 松下知识产权经营株式会社 Small-size electrical appliance and electromotive unit of the same
CN105643670B (en) * 2014-11-28 2019-04-23 松下知识产权经营株式会社 Compact electric apparatus and its electrodynamic element

Also Published As

Publication number Publication date
FR2992251B1 (en) 2014-08-01
CN203471810U (en) 2014-03-12
EP2676777B1 (en) 2015-12-30
FR2992251A1 (en) 2013-12-27
ES2565154T3 (en) 2016-03-31

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