EP2903473A1 - Epilation device comprising pivoting tweezers - Google Patents

Epilation device comprising pivoting tweezers

Info

Publication number
EP2903473A1
EP2903473A1 EP13782773.9A EP13782773A EP2903473A1 EP 2903473 A1 EP2903473 A1 EP 2903473A1 EP 13782773 A EP13782773 A EP 13782773A EP 2903473 A1 EP2903473 A1 EP 2903473A1
Authority
EP
European Patent Office
Prior art keywords
movable
hair removal
blades
bar
head roller
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
EP13782773.9A
Other languages
German (de)
French (fr)
Other versions
EP2903473B1 (en
Inventor
Jérôme Fabron
Franck Mandica
Fabien Normand
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Publication of EP2903473A1 publication Critical patent/EP2903473A1/en
Application granted granted Critical
Publication of EP2903473B1 publication Critical patent/EP2903473B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
    • A45D26/0023—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements
    • A45D26/0028—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements with rotating discs or blades

Definitions

  • the present invention relates to a mechanical hair removal apparatus used for the removal of hair in order to perform body care and especially a hair removal head roller equipping such an epilation apparatus.
  • Mechanical depilatory devices comprising an epilation head equipped with a depilating roller movable in rotation about an axis parallel to the surface of the skin to be depilated.
  • the hair removal roller is equipped with hair pulling tongs that open and close as the roller rotates.
  • Rods located on each side of the two movable blades push the lower ends thereof to close the clamps, through contact with rotating discs on the sides of the epilation head.
  • a major disadvantage of this design is that the number of pairs of clamps arranged in a row is limited to two, which limits the effectiveness of the device during hair removal and considerably increases the duration of hair removal to obtain a result of proper hair removal.
  • the invention relates to a hair removal head roller comprising a fixed central shaft, each member forming a tubular portion of the roller and being rotated around the central shaft to be successively positioned in a working position. and, tear-off pliers arranged on each bar, each plucking pincer being formed of a fixed blade and a blade movable between an open position and a closed position, said roller comprising means for operating the configured movable blades on the one hand, for pivoting along transverse Y1 axes, towards the open position, all the moving blades on the bar arriving in the working position and, on the other hand, for pivoting along these transverse axes Y1 towards the closed position, all moving blades on the bar leaving the working position.
  • the maneuvering means comprise pivot links arranged along the transverse axes Y1 transverse between the movable blades and the bars and the maneuvering means comprise mobile rods arranged under each bar X3 axes, floating pivot links being arranged between the movable blades and each respective movable rod, and spring means configured on each movable rod between the adjacent movable blades to exert mutual efforts between these movable blades and balance these efforts.
  • the floating pivot links are configured to allow the pivoting without locking of the movable blades relative to the bar, along the axes Yl, during a translation of the respective movable rod along the axis X3.
  • the configuration of the spring means on each movable rod between each of the two adjacent movable blades makes it possible to exert mutual forces between the movable blades and to balance these forces in order to compensate for the operating tolerances of said movable blades due to the pinching of hairs. different diameters.
  • the operating means comprise two fixed flanges between which the movable rods are arranged, at least one of the two flanges comprising on its internal face a circular cam path on which support the adjacent ends of the movable rods and configured to translate along the axis X3 the movable rod under the respective bar arriving in the working position, in an active position for pivoting the movable blades to the open position
  • the means of maneuver comprise return means configured to maintain said ends of the movable rods against said cam path and said movable rods each comprise abutment means against the outer faces of the proximal and distal movable blades during a translation of said rod movable along the axis X3, which allows when the bar leaves its working position, so that In the opposite direction, along the X3 axis, the moving rod can be translated into an inactive position permitting the pivoting of said movable blades towards the closed position.
  • the cam path translates the corresponding movable rod disposed under said bar.
  • This translation of the movable rod makes it possible, thanks to the abutment means, to push on the external face of the proximal movable blade, that is to say the one closest to the cam path, so as to pivot said proximal movable blade. in open position.
  • the spring means furthermore allow the force to be mutually transmitted to the other movable blades so as to push and rotate them also in the open position.
  • the return means and the cam path ensure a translation of the movable rod in the opposite direction, allowing the stop means to push on the outer face of the distal movable blade, it is that is farthest from the cam path, so as to pivot the distal movable blade in the closed position.
  • the spring means furthermore make it possible to mutually transmit the force to the other movable blades so as to push them and also to rotate them in the closed position while compensating for the clamping positions of the movable blades, due in particular to the pinching of hairs of different diameters.
  • the pivoting of the movable blades on the bar, independently of each other, is furthermore possible thanks to the floating pivot links which allow an operating tolerance.
  • this design makes it possible to integrate a large number of tear-off pliers on each bar, which makes it possible to optimize the pulling of hairs by limiting the duration of depilation.
  • proximal the fact that an element is disposed closest to the cam path on the flange relative to other elements of the same nature.
  • distal the fact that an element is disposed farthest from the cam path on the flange relative to other elements of the same nature.
  • the movable blades each comprise a lower portion comprising an orifice configured to receive the respective movable rod with a mounting set for tilting the movable blades in the open or closed position during a translation of the movable rod along the axis X3.
  • the return means comprise at least one helical spring arranged along the axis X 3 and exerting a force against the movable rod to hold it in abutment against the path of cam.
  • This coil spring can operate in compression or traction, depending on the design of the cam path and the pivoting direction of the movable blades in the open position and in the closed position.
  • several coil springs can be provided depending on the design of the movable rods.
  • the abutment means consist of a shoulder portion on the movable rod. This shoulder portion is for example constituted by a shoulder arranged directly on the movable rod. Variations stepped portions are possible without departing from the scope of the invention, such as the use of circlips mounted by snapping into a groove on the movable rod.
  • the spring means consist of coil springs mounted on the movable rod between the movable blades. These coil springs work in compression. However, it is possible to envisage design variants of the hair removal apparatus with coil springs that work in tension. It is further understood that the locking of these coil springs on the movable rod, along the axis X3, is provided by the stop means.
  • the adjoining end of the movable rod comprises a guide piece on the cam path, for example a pin or a rod, which bears on the path of cam. This ensures proper guidance and maintenance of the end of the movable rod in the guide path.
  • rolling means are arranged on the cam path. This limits the friction between the cam path and the end of the movable rod or the guide pin.
  • the movable rods each comprise two parts, the two flanges each comprising on their inner face a cam path, the opposite ends of the two parts being respectively in abutment. against said adjoining cam paths.
  • the two parts of the mobile rods are symmetrical, the cam paths on the two flanges being opposite, the movable blades mounted respectively on the two symmetrical pivoting parts. in the opposite way.
  • the hair removal head roller comprises a tubular cage mounted in pivot connection with axis XI on the central shaft, the bars being mounted longitudinally on the tubular cage along axis X2. This facilitates the design and assembly of the components of the hair removal head roller.
  • the invention also relates to an epilation apparatus which comprises a body, an epilation head roller according to the invention and means for activating said roller.
  • this comprises assembly means arranged between the body and the central shaft of the hair removal head roller and configured to fix said central shaft with said body.
  • these assembly means on the depilatory apparatus object of the invention are configured to allow the disassembly of the hair removal head roller of said apparatus.
  • This has the advantage of disassembling the hair removal head roller to replace it with another hair removal head roller or simply to carry out its cleaning, or to replace it with another body care accessory adaptable on said apparatus.
  • the activation means are configured to rotate the bars of the hair removal head roller around the central shaft.
  • the fixed and movable blades are made of metal or plastic.
  • the blades can be arranged directly on the bar or positioned on inserts of any material, these inserts can be fixed or overmolded on the bar.
  • Figure 1 illustrates an overall perspective view of an epilation apparatus according to the invention
  • Figure 2 illustrates a side view of Figure 1, partially exploded, showing components of the depilatory apparatus object of the invention
  • Fig. 3 illustrates a partially exploded perspective view showing components of the hair removal head roller
  • Figure 4 illustrates a perspective view of a bar in the working position, a movable rod arranged under the bar and resting against the cam path, the movable blades being in the open position on the bar;
  • Figure 5 is a front view of Figure 4 with the movable blades in the open position
  • Figure 6 is a front view corresponding to Figure 5 with the movable blades in the closed position
  • FIG. 7 illustrates an alternative embodiment of an epilation device according to the invention, showing in particular a bar with two series of symmetrical clamps and with a movable rod comprising two symmetrical parts.
  • the hair removal apparatus 1 comprises a body 2, for example consisting of two half-shells 2a, 2b monoblocks defining together on the one hand, by their outer surfaces 3a, 3b, a gripping zone of the hair removal apparatus 1 and, on the other hand, a housing for confinement and maintenance of various electrical and mechanical functional elements constituting
  • the body 2 encloses an electric motor 4 associated with transmission means 5 of the rotational movement of the output gear 6 of the motor 4.
  • the transmission means 5 comprise a gear train with axes parallel to the axis of rotation of the motor. Other variants are however possible without departing from the scope of the invention.
  • the hair removal apparatus 1 comprises an epilation head 7 which comprises a hollow body 8 delimiting an epilation chamber 9 inside which is disposed an epilation head roller 10 which is flush with the level of a hair removal chamber. window 11 arranged in the hollow body 8.
  • the hair removal head roller 10 is partly movable in rotation about an axis XI and is rotated via the transmission means 5 by the electric motor 4.
  • the roller depilating head 10 comprises at its periphery clamps 12 opening and closing as the spinning head roller 10 is rotated.
  • the electric motor 4 and the transmission means 5 allow the activation of the hair removal head roller 10.
  • the depilating head roll 10 comprises, as illustrated in FIGS. 2 to 7, a central shaft 13 secured to the body 2 either directly or via a movable part allowing adjustment of the angular position of the body. central shaft 13 with respect to the body 2.
  • the assembly of the hair removal head roller 10 comprises a reversible attachment means to the body 2 (not illustrated) within the scope of the invention. skilled in the art to make the roll removable.
  • the hair removal head roller 10 also comprises a tubular cage 14 which carries the tear-off tongs 12 and which is rotatable along the axis XI around the central shaft 13 by being driven via a toothed wheel 15 secured to the tubular cage 14 which meshes with the transmission means 5. According to the example illustrated in FIG.
  • the tubular cage 14 is configured to allow the attachment of six bars 16, as shown in FIG. the external form hexagonal of said tubular cage 14.
  • These bars 16 each carry a row of six tear-off pliers 12 aligned along an axis X2 parallel to the axis XI.
  • These strips are preferably all of similar design; the following description will therefore refer to a single strip 16, as shown in FIGS. 3 to 7.
  • the number of strips 16 and the number of tear-off tongs 12 may be larger depending on the size and dimensions of the pins. components of the hair removal head roller 10.
  • Each tear-off pliers 12 is formed of a fixed blade 17 and a movable blade 18.
  • the fixed blades 17 are rigidly connected to the bar 16 and consequently to the tubular cage 14, to the extent that according to the illustrated example the fixed blades 17 of the same row form an integral part of the corresponding bar 16.
  • Each movable blade 18 is capable of moving between an open position, visible in FIGS. 4 and 5, according to which the movable blade 18 is moved away from the fixed blade 17 and a closed position, visible in FIG. 6, according to which the movable blade 18 is pressed against the fixed blade 17.
  • the hair removal head roller 10 comprises operating means 19.
  • These operating means 19 comprise pivot connections 20 between the movable blades 18 and the bar 16.
  • These pivot links 20 are arranged along transverse axes Y1 transverse on the bar 16, that is to say perpendicular to the axis X2.
  • the movable blades 18 each comprise a central cylindrical portion 18a Yl axis and the bar 16 comprises circular portions 16a of Yl axis in which the central cylindrical portions are snapped to ensure their mounting in pivot connection.
  • These movable blades also each comprise an upper part 18b constituting the head of the blade coming into contact with the fixed blade and a lower part 18c which extends under the bar 16 and comprises a through hole 21, illustrated in FIG.
  • the operating means 19 comprise movable rods 22, as illustrated in FIGS. 4 to 7. Their number is identical to the number of bars 16. Their design is preferably also identical. In the rest of the description, reference will be made therefore to the single movable rod 22 illustrated in these figures 4 to 7, as for the bar 16.
  • the movable rod 22 is disposed below the bar 16 and passes through the through holes 21 arranged on the lower portions 18c of the movable blades 18 to form a floating pivot connection.
  • the passage holes 21 are sized to leave an assembly clearance with the movable rod 22, which allows the movable blades 18 to pivot sufficiently along the axes Y1 despite the presence of the movable rod 22 pivotally mounted on said lower parts 18c. , along an axis X3 substantially parallel to the axis X2. This avoids any risk of blockage between the movable rod 22 and the movable blades 18.
  • the operating means 19 also comprise two flanges 23, 24 disposed in the end portions of the central shaft 13 to which they are attached. Fixing the flanges 23, 24 on the central shaft 13 can be carried out directly or indirectly, by any fastening means known to those skilled in the art. One can also consider making the central shaft 13 and the flanges 23, 24 in one piece. Between these flanges 23, 24 is disposed the movable rod 22, as illustrated in these Figures 4 to 7. It is the same for all the movable rods 22 associated with the other bars 16.
  • the movable rod 22 consists of a single part.
  • the first flange 23 comprises on its inner face 23a, a cam path 25 of circular shape, as shown in Figure 4.
  • the movable rod 22 comprises a proximal end 22a adjacent to the cam path 25 and remaining in support against said cam path 25.
  • This proximal end 22a is preferably, as illustrated in Figures 4 and 5, provided with a guide pin 26 which is positioned in said cam path 25.
  • the movable rod 22 also includes one end 22b, illustrated in Figure 4 to 6, at which is arranged a guide rod 27 which extends along the axis X3 outwardly of said distal end 22b and which receives a coil spring 28 mounted in compression between a shoulder 29 arranged at this distal end 22b and the face internal 24a of the second flange 24.
  • This inner face 24a may comprise a guide path of circular shape (not shown in the figures), such as a circular groove, for receiving and guiding the end 28a of the coil spring 28
  • the cam path 25 comprises a flat or even grooved circular portion 25a that extends almost 360 ° on the internal face 23a of the flange 23 and is continued by a small projecting circular portion 25b.
  • the cam path 25 is configured to exert a thrust against the guide pin 26 in the direction of the arrow 30 and thus move the movable rod 22 in this direction along the axis X3, when the bar 16 reaches a position of a work enabling depilation, that is to say when the hair removal head roller 10 rotates along the axis XI and brings this bar 16 into the zone of the window 11 on the body 2, as illustrated in FIG. 1 and 5.
  • the guide pin 26 bears against the projecting circular portion 25b and the compression of the coil spring 28 is greater.
  • this cam path 25 is configured to allow said coil spring 28, in the compressed state, to push on the distal end 22b of the movable rod 22 and move it in the direction of the arrow 31 along the axis X3 , while holding the guiding pin 26 in abutment against said cam path 25, when the bar 16 pivots along the axis XI and starts to leave the working position.
  • the guiding pin 26 penetrates the planar or grooved circular portion 25a and the coil spring 28 relaxes slightly while remaining compressed.
  • the movable rod 22 comprises two stops 32, 33.
  • the first stop 32 is situated on the side of the proximal end 22a of the movable rod 22 and is configured to bear against the outer face 34 of the lower portion 35c of the proximal movable blade 35 on the bar 16, during a displacement of the movable rod 22 in the direction of the arrow 30.
  • the second stop 33 is located on the end side 22b of the movable rod 22 and is configured to bear against the outer face 36 of the lower portion 37c of the movable blade distal 37 on the bar 16, during a displacement of the movable rod 22 in the direction of the arrow 31.
  • helical springs 38 are slidably mounted along the axis X3 on the movable rod 22 and are arranged between the movable blades 18, 35, 37. These coil springs 38 are mounted in compression between two movable blades 18, 35, 37 adjoining.
  • the first stop 32 is for example constituted by a circlip to allow the mounting of the movable rod 22 through the orifices 21 on the lower parts 18c, 35c, 37c of the movable blades 18, 35, 37 and the positioning of the coil springs. 38 between said movable blades.
  • the second stop 33 is preferably formed by the shoulder 29 arranged at the distal end 22b of the movable rod 22.
  • the first stop 32 bears against the outer face 34 of the proximal movable blade 35, allowing the pivoting of said proximal movable blade 35 along the axis Y1 from the closed position illustrated in Figure 6 to the open position illustrated in Figure 5.
  • the coil spring 38 then allow to exert a thrust on the other movable blades 18, 37 in the direction of the arrow 30 and to rotate also from the closed position to the open position.
  • the second stop 33 bears against the outer face 36 of the distal movable blade 37, allowing the pivoting of said distal movable blade 37 according to FIG.
  • the coil springs 38 and the links pivots 20 allow the movable blades 18, 35, 37 to exert identical pinching forces on all the bristles whose diameter is variable since these pivot links 20 are independent of each other and that the forces exerted by said coil springs on the movable blades 18, 35, 37 are balanced.
  • the movable rod 22 consists of two parts 39, 40 between which is arranged a central guide shaft 41 which is slidably mounted along the axis X3 inside the two adjoining ends. 39a, 40a of said two portions 39, 40.
  • This central guide shaft 41 slidably receives a central helical spring 42 which urges said two adjoining ends 39a, 40a together in opposite directions as illustrated by the arrows 43, 44.
  • a central helical spring 42 which urges said two adjoining ends 39a, 40a together in opposite directions as illustrated by the arrows 43, 44.
  • Two flanges 45, 46 are also attached directly or indirectly to the central shaft 13, as for the embodiment. described above and illustrated in FIGS. 4 to 6.
  • the first flange 45 comprises on its inner face 45a a cam path (not shown) on which the end 47a of the first end guide rod 47, thanks to the return force exerted by the central helical spring 42 in the direction of the arrow 43.
  • the second flange 46 also comprises on its inner face 46a a cam path (not shown) whose However, the design is symmetrical with respect to the cam path on the first flange 45.
  • the end 48a of the second end guide rod 48 remains in abutment against said guide path, thanks to the return force exerted by the central helical spring. 42 in the direction of the arrow 44.
  • These cam paths on the flanges 45, 46 are not shown in FIG. 7. However, their design is reversed with respect to the cam path 25 of the flange 23 illustrated in FIGS. 4 to 6. for the first embodiment described above.
  • this cam path comprises a flat circular portion or slightly grooved which extends over almost 360 ° and is continued by a small indented circular portion, in contrast to the projecting circular portion 25b for the embodiment of FIGS. 4 to 6.
  • the ends 47a, 48a of the extreme guide rods 47, 48 penetrate into these indented circular portions when the bar 16 arrives in the working position.
  • the bar 16 comprises two series of clamps 49, 50, arranged symmetrically with respect to each other and comprising, for example, each of three clamps.
  • the design of these clamps is similar to that described above for the embodiment illustrated in FIGS. 4 to 6, while taking into account the symmetry of the two series of clamps 49, 50, as illustrated in FIG. 7.
  • the two adjoining ends 39a, 40a of the two parts 39, 40 of the movable rod 22 each comprise a stop 51, 52 constituted for example by a shoulder on each portion 39, 40.
  • the two opposite ends 39b, 40b of said portions 39, 40 each comprise an abutment 53, 54 preferably consisting of a circlip snapped into a groove, on each portion 39, 40, so as to allow the mounting of the two parts 39, 40 through the orifices (not shown , but similar to the orifice 21 in Figure 4) on the lower portions 55c of the movable blades 55 and the sliding assembly along the axis X3 of the coil springs 56 on the two parts 39, 40, as shown in Figure 7
  • the bar 16 on the hair removal head roller 10 rotates along the axis XI and reaches the working position, that is to say the area of the window 11 on the hair removal apparatus 1, 1 end 47a of the guide rod 47 of the first part 39 of the movable rod 22 enters the notched portion of the cam
  • the stop 51 then presses on the outer face 57 of the distal movable blade 58 to rotate it along the axis Y1 of a closed position illustrated in FIG. 7, towards an open position comparable to the open position of FIG. 5, taking into account however the symmetry.
  • the pivoting of the distal movable blade 58 makes it possible to act on the helical springs 56 which mutually push the other movable blades 55 to pivot them along the axis Y1 towards the open position.
  • FIG. 7 shows an open position comparable to the open position of FIG. 5.
  • the pivoting movement of the distal movable blade 60 acts on the helical springs 56 which push the other movable blades 55 mutually to rotate them in accordance with FIG.
  • the pivoting of the proximal movable blade 62 makes it possible to act on the coil springs 56 which urge the other movable blades 55, 58 to pivot one another along the axis Y1 towards the closed position.
  • the end 48a of the guide rod 48 of the second portion 40 of the movable rod 22 out of the indented portion of the cam path arranged on the second flange 46, which allows because of the thrust exerted in the direction of the arrow 43 on said end 48a by the cam path, to move the second portion 40 in the direction of the arrow 43.
  • the stop 54 then presses on the face external 63 of the proximal movable blade 64 to rotate it along the axis Yl from the open position to the closed position.
  • the pivoting of the proximal movable blade 64 makes it possible to act on the coil springs 56 which mutually push the other movable blades 55, 60 to pivot them along the axis Y1 towards the closed position.
  • the concomitant bringing together of the two parts 39, 40 increases the compression of the central helical spring 42.

Abstract

The invention relates to an epilation head roller (10) comprising: a stationary central shaft (13); bars (16), each forming a tubular portion of the roller and being rotated about the central shaft in order to be positioned successively in an operating position; and tweezers (12, 49, 50) arranged on each bar, each of said tweezers being formed by a stationary blade (17) and a moving blade (18, 35, 37, 55, 58, 60, 62, 64) that can move between an open position and a closed position. In addition, the roller comprises manoeuvring means (19) for manoeuvring the moving blades that are configured to: (i) pivot according to transverse axes Y1 into the open position, with all of the moving blades on the bar arriving at the operating position; and (ii) pivot according to transverse axes Y1 into the closed position, with all of the moving blades (18, 35, 37, 55, 58, 60, 62, 64) on the bar (16) leaving the operating position. According to the invention, the manoeuvring means (19) comprise: pivot joints (20) arranged along transverse axes Y1 between the moving blades (18, 35, 37, 55, 58, 60, 62, 64) and the bars (16); moving rods (22) arranged under each bar (16) along axes X3, said floating pivot joints being arranged between the moving blades and each respective moving rod (22); and spring means (38, 56) arranged on each moving rod (22) between adjacent moving blades such as to exert reciprocal forces between the moving blades and to balance said forces.

Description

APPAREIL D'EPILATION A PINCES PIVOTANTES  PIVOTING CLAMPS CLEANING APPARATUS
La présente invention concerne un appareil d'épilation mécanique utilisé pour l'arrachage de poils en vue de la réalisation de soins corporels et tout particulièrement un rouleau de tête d'épilation équipant un tel appareil d'épilation. The present invention relates to a mechanical hair removal apparatus used for the removal of hair in order to perform body care and especially a hair removal head roller equipping such an epilation apparatus.
Il est connu des appareils d'épilation mécaniques comprenant une tête d'épilation équipée d'un rouleau d'épilation mobile en rotation autour d'un axe parallèle à la surface de la peau à épiler. Le rouleau d'épilation est équipé de pinces d'arrachage de poils qui s'ouvrent et se ferment au fur-et-à-mesure de la rotation du rouleau. Mechanical depilatory devices are known comprising an epilation head equipped with a depilating roller movable in rotation about an axis parallel to the surface of the skin to be depilated. The hair removal roller is equipped with hair pulling tongs that open and close as the roller rotates.
Un appareil d'épilation de ce type est notamment décrit dans le document US 2005/0101971 dans lequel des pinces d'arrachage sont formées par plusieurs rangées de lames mobiles en translation venant en appui contre des lames fixes en vis- à-vis, toutes les lames mobiles d'une rangée étant portées par une navette périphérique d'un rouleau rotatif. Chaque navette comprend des cames qui, lors de l'entraînement en rotation de la navette autour d'un axe central, coopèrent avec des chemins de cames formés par les deux bords de rainures réalisées sur la périphérie d'un arbre central lié en rotation au boîtier de l'appareil. Les navettes sont disposées autour de l'arbre central, en étant mobiles axialement le long de cet arbre, tout en étant bloquées radialement par des éléments intermédiaires de liaison constitutifs d'une cage tubulaire mobile en rotation autour de l'arbre central. L'arbre central est de plus mobile en translation axiale en étant soumis à l'action de ressorts axiaux qui induisent l'effort de serrage de toutes les pinces. An epilation device of this type is described in particular in document US 2005/0101971 in which tear-off pliers are formed by several rows of blades movable in translation bearing against fixed blades facing each other, all the moving blades of a row being carried by a peripheral shuttle of a rotating roller. Each shuttle comprises cams which, when driving the shuttle about a central axis, cooperate with cam paths formed by the two groove edges formed on the periphery of a central shaft rotatably connected to case of the device. The shuttles are arranged around the central shaft, being movable axially along this shaft, while being radially blocked by intermediate connecting elements constituting a tubular cage movable in rotation around the central shaft. The central shaft is more mobile in axial translation being subjected to the action of axial springs which induce the clamping force of all the clamps.
Un tel appareil permet effectivement d'arracher des poils corporels. Toutefois, le fait que plusieurs lames mobiles sont liées rigidement entre elles induit une répartition inégale de l'effort des ressorts de sorte que toutes les pinces n'ont pas toutes la même efficacité. Il est également connu le document JP2001037533 qui divulgue un appareil d'épilation comprenant des pinces réparties sur plusieurs rangées autour d'un cylindre tournant, à raison de deux pinces par rangées. Chaque pince dispose d'une lame fixe et d'une lame mobile ; les deux lames mobiles des deux pinces d'une rangée sont reliées par un élément élastique qui pousse les extrémités inférieures des lames mobiles vers l'extérieur pour que ces pinces restent normalement ouvertes. Des tiges qui se situent de chaque côté des deux lames mobiles viennent pousser les extrémités inférieures de ces dernières pour fermer les pinces, grâce au contact avec des disques tournants sur les côtés de la tête d'épilation. Un inconvénient majeur de cette conception est que le nombre de paires de pinces agencées sur une rangée se limite à deux, ce qui limite l'efficacité de l'appareil lors de l'épilation et augmente considérablement la durée de l'épilation pour obtenir un résultat d'épilation convenable. Such an apparatus can actually pull body hair. However, the fact that several movable blades are rigidly connected to each other induces an unequal distribution of the force of the springs so that not all the clamps have the same efficiency. It is also known from JP2001037533 which discloses an epilation device comprising grippers distributed in several rows around a rotating cylinder, at the rate of two clamps per row. Each clamp has a fixed blade and a movable blade; the two movable blades of the two clamps of a row are connected by an elastic member which pushes the lower ends of the movable blades outwards so that these clamps remain normally open. Rods located on each side of the two movable blades push the lower ends thereof to close the clamps, through contact with rotating discs on the sides of the epilation head. A major disadvantage of this design is that the number of pairs of clamps arranged in a row is limited to two, which limits the effectiveness of the device during hair removal and considerably increases the duration of hair removal to obtain a result of proper hair removal.
Il est donc apparu le besoin d'un appareil d'épilation avec une tête d'épilation isostatique au sens mécanique du terme, c'est-à-dire dont toutes les pinces sont actionnées individuellement et sans blocage multiple de degrés de liberté: les lames présentent ainsi sensiblement la même efficacité ce qui optimise l'épilation. It therefore appeared the need for an epilation device with an isostatic epilation head in the mechanical sense of the term, that is to say, all the clamps are actuated individually and without multiple blocking of degrees of freedom: blades thus have substantially the same efficiency which optimizes hair removal.
A ce titre, l'invention concerne un rouleau de tête d'épilation comprenant un arbre central fixe, des barrettes constituant chacune une portion tubulaire du rouleau et étant entraînées en rotation autour de l'arbre central pour être positionnées successivement dans une position de travail et, des pinces d'arrachage agencées sur chaque barrette, chaque pince d'arrachage étant formée d'une lame fixe et d'une lame mobile entre une position ouverte et une position fermée, ledit rouleau comprenant des moyens de manœuvre des lames mobiles configurés, d'une part, pour pivoter selon des axes Yl transversaux, vers la position ouverte, toutes les lames mobiles sur la barrette arrivant en position de travail et d'autre part, pour pivoter selon ces axes Yl transversaux, vers la position fermée, toutes les lames mobiles sur la barrette quittant la position de travail. Selon l'invention, les moyens de manœuvre comprennent des liaisons pivot agencées selon les axes Yl transversaux entre les lames mobiles et les barrettes et les moyens de manœuvre comprennent des tiges mobiles agencées sous chaque barrette selon des axes X3, des liaisons pivots flottantes étant agencées entre les lames mobiles et chaque tige mobile respective, et des moyens de ressort configurés sur chaque tige mobile entre les lames mobiles adjacentes pour exercer des efforts mutuels entre ces lames mobiles et équilibrer ces efforts. Les liaisons pivots flottantes sont configurées pour permettre le pivotement sans blocage des lames mobiles par rapport à la barrette, selon les axes Yl, lors d'une translation de la tige mobile respective selon l'axe X3. La configuration des moyens de ressort sur chaque tige mobile entre chacune des deux lames mobiles attenantes permet d'exercer des efforts mutuels entre les lames mobiles et d'équilibrer ces efforts afin de compenser les tolérances de fonctionnement desdites lames mobiles dues au pincement de poils de différents diamètres. As such, the invention relates to a hair removal head roller comprising a fixed central shaft, each member forming a tubular portion of the roller and being rotated around the central shaft to be successively positioned in a working position. and, tear-off pliers arranged on each bar, each plucking pincer being formed of a fixed blade and a blade movable between an open position and a closed position, said roller comprising means for operating the configured movable blades on the one hand, for pivoting along transverse Y1 axes, towards the open position, all the moving blades on the bar arriving in the working position and, on the other hand, for pivoting along these transverse axes Y1 towards the closed position, all moving blades on the bar leaving the working position. According to the invention, the maneuvering means comprise pivot links arranged along the transverse axes Y1 transverse between the movable blades and the bars and the maneuvering means comprise mobile rods arranged under each bar X3 axes, floating pivot links being arranged between the movable blades and each respective movable rod, and spring means configured on each movable rod between the adjacent movable blades to exert mutual efforts between these movable blades and balance these efforts. The floating pivot links are configured to allow the pivoting without locking of the movable blades relative to the bar, along the axes Yl, during a translation of the respective movable rod along the axis X3. The configuration of the spring means on each movable rod between each of the two adjacent movable blades makes it possible to exert mutual forces between the movable blades and to balance these forces in order to compensate for the operating tolerances of said movable blades due to the pinching of hairs. different diameters.
Avantageusement, selon le rouleau de tête d'épilation objet de l'invention, les moyens de manœuvre comprennent deux flasques fixes entre lesquels sont disposées les tiges mobiles, au moins un des deux flasques comprenant sur sa face interne un chemin de came circulaire sur lequel prennent appui les extrémités attenantes des tiges mobiles et configuré pour translater selon l'axe X3 la tige mobile sous la barrette respective arrivant en position de travail, dans une position active permettant le pivotement des lames mobiles vers la position ouverte, dans lequel les moyens de manœuvre comprennent des moyens de rappel configurés pour maintenir en appui lesdites extrémités des tiges mobiles contre ledit chemin de came et, lesdites tiges mobiles comprennent chacune des moyens de butée contre les faces externes des lames mobiles proximales et distales lors d'une translation de ladite tige mobile selon l'axe X3, ce qui permet lorsque la barrette quitte sa position de travail, de faire translater en sens inverse, selon l'axe X3, la tige mobile dans une position inactive permettant le pivotement desdites lames mobiles vers la position fermée. Ainsi, selon l'invention, lorsque l'une des barrettes du rouleau de tête d'épilation est en position de travail, le chemin de came translate la tige mobile correspondante disposée sous ladite barrette. Cette translation de la tige mobile permet, grâce au moyen de butée, de pousser sur la face externe de la lame mobile proximale, c'est-à-dire la plus proche du chemin de came, en sorte de faire pivoter ladite lame mobile proximale en position ouverte. Les moyens de ressort permettent en outre de transmettre mutuellement l'effort aux autres lames mobiles en sorte de les pousser et de les faire pivoter également en position ouverte. Inversement, lorsque cette barrette quitte ladite position ouverte, les moyens de rappel et le chemin de came assurent une translation de la tige mobile en sens inverse, permettant aux moyens de butée de pousser sur la face externe de la lame mobile distale, c'est-à-dire la plus éloignée du chemin de came, en sorte de faire pivoter la lame mobile distale en position fermée. Les moyens de ressort permettent en outre de transmettre mutuellement l'effort aux autres lames mobiles en sorte de les pousser et de les faire pivoter également en position fermée tout en compensant les positions de serrage des lames mobiles, dues notamment au pincement de poils de différents diamètres. Les pivotements des lames mobiles sur la barrette, indépendamment les unes des autres sont en outre possibles grâce aux liaisons pivots flottantes qui autorisent une tolérance de fonctionnement. Advantageously, according to the hair removal head roller according to the invention, the operating means comprise two fixed flanges between which the movable rods are arranged, at least one of the two flanges comprising on its internal face a circular cam path on which support the adjacent ends of the movable rods and configured to translate along the axis X3 the movable rod under the respective bar arriving in the working position, in an active position for pivoting the movable blades to the open position, wherein the means of maneuver comprise return means configured to maintain said ends of the movable rods against said cam path and said movable rods each comprise abutment means against the outer faces of the proximal and distal movable blades during a translation of said rod movable along the axis X3, which allows when the bar leaves its working position, so that In the opposite direction, along the X3 axis, the moving rod can be translated into an inactive position permitting the pivoting of said movable blades towards the closed position. Thus, according to the invention, when one of the bars of the hair removal head roller is in the working position, the cam path translates the corresponding movable rod disposed under said bar. This translation of the movable rod makes it possible, thanks to the abutment means, to push on the external face of the proximal movable blade, that is to say the one closest to the cam path, so as to pivot said proximal movable blade. in open position. The spring means furthermore allow the force to be mutually transmitted to the other movable blades so as to push and rotate them also in the open position. Conversely, when this bar leaves said open position, the return means and the cam path ensure a translation of the movable rod in the opposite direction, allowing the stop means to push on the outer face of the distal movable blade, it is that is farthest from the cam path, so as to pivot the distal movable blade in the closed position. The spring means furthermore make it possible to mutually transmit the force to the other movable blades so as to push them and also to rotate them in the closed position while compensating for the clamping positions of the movable blades, due in particular to the pinching of hairs of different diameters. The pivoting of the movable blades on the bar, independently of each other, is furthermore possible thanks to the floating pivot links which allow an operating tolerance.
On comprend en outre que cette conception permet d'intégrer un nombre important de pinces d'arrachage sur chaque barrette, ce qui permet d'optimiser l'arrachage de poils en limitant la durée de l'épilation. It is furthermore understood that this design makes it possible to integrate a large number of tear-off pliers on each bar, which makes it possible to optimize the pulling of hairs by limiting the duration of depilation.
On comprend également que cette conception du rouleau de tête d'épilation permet d'avoir un seul actionnement pour toutes les pinces sur une barrette, tout en disposant d'un effort indépendant et équilibré sur chacune de ces pinces. Dans la description, on entend par « proximal », le fait qu'un élément soit disposé le plus proche du chemin de came sur le flasque par rapport aux autres éléments de même nature. De même, on entend par « distal », le fait qu'un élément soit disposé le plus éloigné du chemin de came sur le flasque par rapport aux autres éléments de même nature. It is also understood that this design of the hair removal head roller allows to have a single actuation for all the clamps on a bar, while having an independent and balanced effort on each of these clamps. In the description, the term "proximal", the fact that an element is disposed closest to the cam path on the flange relative to other elements of the same nature. Similarly, the term "distal", the fact that an element is disposed farthest from the cam path on the flange relative to other elements of the same nature.
Selon une conception préférentielle des liaisons pivots flottantes sur le rouleau de tête d'épilation objet de l'invention, les lames mobiles comprennent chacune une partie inférieure comprenant un orifice configuré pour recevoir la tige mobile respective avec un jeu de montage permettant le basculement des lames mobiles en position ouverte ou fermée lors d'une translation de cette tige mobile selon l'axe X3. According to a preferred design of pivot links floating on the epilator head roller object of the invention, the movable blades each comprise a lower portion comprising an orifice configured to receive the respective movable rod with a mounting set for tilting the movable blades in the open or closed position during a translation of the movable rod along the axis X3.
Selon une conception préférentielle du rouleau de tête d'épilation objet de l'invention, les moyens de rappel comprennent au moins un ressort hélicoïdal agencé selon l'axe X3 et exerçant un effort contre la tige mobile pour la maintenir en appui contre le chemin de came. Ce ressort hélicoïdal peut fonctionner en compression ou en traction, selon la conception du chemin de came et le sens de pivotement des lames mobiles en position ouverte et en position fermée. On peut en outre prévoir plusieurs ressorts hélicoïdaux selon la conception des tiges mobiles. Selon une conception du rouleau de tête d'épilation objet de l'invention, les moyens de butée sont constitués d'une portion épaulée sur la tige mobile. Cette portion épaulée est par exemple constituée d'un épaulement agencé directement sur la tige mobile. Des variantes de portions épaulées sont envisageables sans sortir du cadre de l'invention, comme par exemple l'utilisation de circlips montés par encliquetage dans une gorge sur la tige mobile. According to a preferred design of the hair removal head roller according to the invention, the return means comprise at least one helical spring arranged along the axis X 3 and exerting a force against the movable rod to hold it in abutment against the path of cam. This coil spring can operate in compression or traction, depending on the design of the cam path and the pivoting direction of the movable blades in the open position and in the closed position. In addition, several coil springs can be provided depending on the design of the movable rods. According to a design of the hair removal head roller object of the invention, the abutment means consist of a shoulder portion on the movable rod. This shoulder portion is for example constituted by a shoulder arranged directly on the movable rod. Variations stepped portions are possible without departing from the scope of the invention, such as the use of circlips mounted by snapping into a groove on the movable rod.
Selon une conception du rouleau de tête d'épilation objet de l'invention, les moyens de ressort sont constitués de ressorts hélicoïdaux montés sur la tige mobile entre les lames mobiles. Ces ressorts hélicoïdaux travaillent en compression. On peut toutefois envisager des variantes de conception de l'appareil d'épilation avec des ressorts hélicoïdaux qui travaillent en traction. On comprend en outre que le blocage de ces ressorts hélicoïdaux sur la tige mobile, selon l'axe X3, est assuré par les moyens de butée. According to a design of the epilator head roller object of the invention, the spring means consist of coil springs mounted on the movable rod between the movable blades. These coil springs work in compression. However, it is possible to envisage design variants of the hair removal apparatus with coil springs that work in tension. It is further understood that the locking of these coil springs on the movable rod, along the axis X3, is provided by the stop means.
Selon une conception du rouleau de tête d'épilation objet de l'invention, l'extrémité attenante de la tige mobile comprend une pièce de guidage sur le chemin de came, par exemple un pion ou une tige, qui est en appui sur le chemin de came. Cela assure un guidage convenable et le maintien de l'extrémité de la tige mobile dans le chemin de guidage. Selon une conception du rouleau de tête d'épilation objet de l'invention, des moyens de roulement sont agencés sur le chemin de came. Cela permet de limiter les frottements entre le chemin de came et l'extrémité de la tige mobile voire le pion de guidage. Selon une variante de conception du rouleau de tête d'épilation objet de l'invention, les tiges mobiles comprennent chacune deux parties, les deux flasques comprenant chacun sur leur face interne un chemin de came, les extrémités opposées des deux parties étant respectivement en appui contre lesdits chemins de came attenants. According to a design of the epilator head roller object of the invention, the adjoining end of the movable rod comprises a guide piece on the cam path, for example a pin or a rod, which bears on the path of cam. This ensures proper guidance and maintenance of the end of the movable rod in the guide path. According to a design of the hair removal head roller object of the invention, rolling means are arranged on the cam path. This limits the friction between the cam path and the end of the movable rod or the guide pin. According to a variant of the design of the hair removal head roller according to the invention, the movable rods each comprise two parts, the two flanges each comprising on their inner face a cam path, the opposite ends of the two parts being respectively in abutment. against said adjoining cam paths.
Dans un mode de réalisation préférentiel selon cette variante de conception du rouleau de tête d'épilation, les deux parties des tiges mobiles sont symétriques, les chemins de came sur les deux flasques étant opposés, les lames mobiles montées respectivement sur les deux parties symétriques pivotant en sens opposé. In a preferred embodiment according to this design variant of the hair removal head roller, the two parts of the mobile rods are symmetrical, the cam paths on the two flanges being opposite, the movable blades mounted respectively on the two symmetrical pivoting parts. in the opposite way.
Avantageusement, le rouleau de tête d'épilation comprend une cage tubulaire montée en liaison pivot d'axe XI sur l'arbre central, les barrettes étant montées longitudinalement sur la cage tubulaire selon des axe X2. Cela facilite la conception et l'assemblage des éléments constitutifs du rouleau de tête d'épilation. Advantageously, the hair removal head roller comprises a tubular cage mounted in pivot connection with axis XI on the central shaft, the bars being mounted longitudinally on the tubular cage along axis X2. This facilitates the design and assembly of the components of the hair removal head roller.
L'invention concerne également un appareil d'épilation qui comprend un corps, un rouleau de tête d'épilation selon l'invention et des moyens d'activation dudit rouleau. The invention also relates to an epilation apparatus which comprises a body, an epilation head roller according to the invention and means for activating said roller.
Selon l'appareil d'épilation objet de l'invention, celui-ci comprend des moyens d'assemblage agencés entre le corps et l'arbre central du rouleau de tête d'épilation et configurés pour fixer ledit arbre central avec ledit corps. According to the depilatory apparatus according to the invention, this comprises assembly means arranged between the body and the central shaft of the hair removal head roller and configured to fix said central shaft with said body.
Selon un mode de conception de ces moyens d'assemblage sur l'appareil d'épilation objet de l'invention, ceux-ci sont configurés pour permettre le démontage du rouleau de tête d'épilation dudit appareil. Cela présente pour avantage de démonter le rouleau de tête d'épilation pour le remplacer par un autre rouleau de tête d'épilation ou tout simplement pour effectuer son nettoyage, voire pour le remplacer par un autre accessoire de soin corporel adaptable sur ledit appareil. Selon l'appareil d'épilation objet de l'invention, les moyens d'activation sont configurés pour entraîner en rotation les barrettes du rouleau de tête d'épilation, autour de l'arbre central. According to a design mode of these assembly means on the depilatory apparatus object of the invention, they are configured to allow the disassembly of the hair removal head roller of said apparatus. This has the advantage of disassembling the hair removal head roller to replace it with another hair removal head roller or simply to carry out its cleaning, or to replace it with another body care accessory adaptable on said apparatus. According to the depilatory apparatus according to the invention, the activation means are configured to rotate the bars of the hair removal head roller around the central shaft.
Selon le rouleau de tête d'épilation objet de l'invention, pour les diverses variantes de conception, les lames fixes et mobiles sont en métal ou en plastique. Les lames peuvent être agencées directement sur la barrette ou positionnées sur des pièces rapportées en un matériau quelconque, ces pièces rapportées pouvant être fixées ou surmoulées sur la barrette. According to the hair removal head roller according to the invention, for the various design variants, the fixed and movable blades are made of metal or plastic. The blades can be arranged directly on the bar or positioned on inserts of any material, these inserts can be fixed or overmolded on the bar.
Les caractéristiques du rouleau de tête d'épilation et de l'appareil d'épilation, objets de l'invention, ressortiront à la lecture de la description suivante de deux modes de réalisation non limitatifs s'appuyant sur des figures, parmi lesquelles : The characteristics of the hair removal head roller and of the hair removal apparatus, which are the subject of the invention, will emerge on reading the following description of two nonlimiting embodiments based on figures, among which:
La figure 1 illustre une vue d'ensemble en perspective d'un appareil d'épilation selon l'invention ; Figure 1 illustrates an overall perspective view of an epilation apparatus according to the invention;
La figure 2 illustre une vue de côté de la figure 1, partiellement éclatée, montrant des composants de l'appareil d'épilation objet de l'invention ;  Figure 2 illustrates a side view of Figure 1, partially exploded, showing components of the depilatory apparatus object of the invention;
La figure 3 illustre une vue en perspective, partiellement éclatée, montrant des composants du rouleau de tête d'épilation ;  Fig. 3 illustrates a partially exploded perspective view showing components of the hair removal head roller;
La figure 4 illustre une vue en perspective d'une barrette en position de travail, une tige mobile agencée sous cette barrette et en appui contre le chemin de came, les lames mobiles étant en position ouverte sur la barrette ;  Figure 4 illustrates a perspective view of a bar in the working position, a movable rod arranged under the bar and resting against the cam path, the movable blades being in the open position on the bar;
La figure 5 est une vue de face de la figure 4 avec les lames mobiles en position ouverte ;  Figure 5 is a front view of Figure 4 with the movable blades in the open position;
La figure 6 est une vue de face correspondant à la figure 5 avec les lames mobiles en position fermée ;  Figure 6 is a front view corresponding to Figure 5 with the movable blades in the closed position;
La figure 7 illustre une variante de réalisation d'un appareil d'épilation selon l'invention, montrant notamment une barrette avec deux séries de pinces symétriques et avec une tige mobile comprenant deux parties symétriques.  FIG. 7 illustrates an alternative embodiment of an epilation device according to the invention, showing in particular a bar with two series of symmetrical clamps and with a movable rod comprising two symmetrical parts.
Tel qu'illustré sur les figures 1 et 2, l'appareil d'épilation 1 selon l'invention comprend un corps 2 par exemple constitué de deux demi-coques 2a, 2b monoblocs définissant ensemble d'une part, par leurs surfaces extérieures 3a, 3b, une zone de préhension de l'appareil d'épilation 1 et, d'autre part, un boîtier de confinement et de maintien de différents éléments fonctionnels électriques et mécaniques, constitutifs de l'appareil d'épilation 1. Ainsi, le corps 2 renferme un moteur électrique 4 associé à des moyens de transmission 5 du mouvement de rotation du pignon de sortie 6 du moteur 4. Selon l'exemple illustré, les moyens de transmission 5 comprennent un train d'engrenages d'axes parallèles à l'axe de rotation du moteur. D'autres variantes sont toutefois envisageables sans sortir du cadre de l'invention. As illustrated in FIGS. 1 and 2, the hair removal apparatus 1 according to the invention comprises a body 2, for example consisting of two half-shells 2a, 2b monoblocks defining together on the one hand, by their outer surfaces 3a, 3b, a gripping zone of the hair removal apparatus 1 and, on the other hand, a housing for confinement and maintenance of various electrical and mechanical functional elements constituting Thus, the body 2 encloses an electric motor 4 associated with transmission means 5 of the rotational movement of the output gear 6 of the motor 4. According to the illustrated example, the transmission means 5 comprise a gear train with axes parallel to the axis of rotation of the motor. Other variants are however possible without departing from the scope of the invention.
L'appareil d'épilation 1 comprend une tête d'épilation 7 qui comprend un corps creux 8 délimitant une chambre d'épilation 9 à l'intérieur de laquelle est disposé un rouleau de tête d'épilation 10 qui affleure au niveau d'une fenêtre 11 aménagée dans le corps creux 8. Le rouleau de tête d'épilation 10 est en partie mobile en rotation autour d'un axe XI et se trouve entraîné en rotation via les moyens de transmission 5 par le moteur électrique 4. Le rouleau de tête d'épilation 10 comprend au niveau de sa périphérie des pinces 12 s'ouvrant et se fermant au fur et à mesure de la rotation du rouleau de tête d'épilation 10. Ainsi, le moteur électrique 4 et les moyens de transmission 5, notamment, permettent l'activation du rouleau de tête d'épilation 10. The hair removal apparatus 1 comprises an epilation head 7 which comprises a hollow body 8 delimiting an epilation chamber 9 inside which is disposed an epilation head roller 10 which is flush with the level of a hair removal chamber. window 11 arranged in the hollow body 8. The hair removal head roller 10 is partly movable in rotation about an axis XI and is rotated via the transmission means 5 by the electric motor 4. The roller depilating head 10 comprises at its periphery clamps 12 opening and closing as the spinning head roller 10 is rotated. Thus, the electric motor 4 and the transmission means 5, in particular, allow the activation of the hair removal head roller 10.
Le rouleau de tête d'épilation 10 comprend, comme illustré en figures 2 à 7, un arbre central 13 assujetti au corps 2 soit de manière directe, soit par l'intermédiaire d'une pièce mobile permettant un réglage de la position angulaire de l'arbre central 13 par rapport au corps 2. Selon un mode de réalisation de l'invention, l'ensemble du rouleau de tête d'épilation 10 comprend un moyen de fixation réversible au corps 2 (non illustré) à la portée de l'homme du métier permettant de rendre le rouleau démontable. Le rouleau de tête d'épilation 10 comprend également une cage tubulaire 14 qui porte les pinces d'arrachage 12 et qui est mobile en rotation selon l'axe XI autour de l'arbre central 13 en étant entraînée par l'intermédiaire d'une roue dentée 15 assujettie à la cage tubulaire 14 qui engrène avec les moyens de transmission 5. Selon l'exemple illustré en figure 3, la cage tubulaire 14 est configurée pour permettre la fixation de six barrettes 16, comme cela apparaît en figure 4 de par la forme externe hexagonale de ladite cage tubulaire 14. Ces barrettes 16 portent chacune une rangée de six pinces d'arrachage 12 alignées selon un axe X2 parallèle à l'axe XI. Ces barrettes sont de préférence toutes de conception similaire ; la description suivante se référera donc à une seule barrette 16, tel que cela apparaît sur les figures 3 à 7. Le nombre de barrettes 16 et le nombre de pinces d'arrachage 12 peuvent toutefois être plus importants selon l'encombrement et les dimensions des éléments constitutifs du rouleau de tête d'épilation 10. The depilating head roll 10 comprises, as illustrated in FIGS. 2 to 7, a central shaft 13 secured to the body 2 either directly or via a movable part allowing adjustment of the angular position of the body. central shaft 13 with respect to the body 2. According to one embodiment of the invention, the assembly of the hair removal head roller 10 comprises a reversible attachment means to the body 2 (not illustrated) within the scope of the invention. skilled in the art to make the roll removable. The hair removal head roller 10 also comprises a tubular cage 14 which carries the tear-off tongs 12 and which is rotatable along the axis XI around the central shaft 13 by being driven via a toothed wheel 15 secured to the tubular cage 14 which meshes with the transmission means 5. According to the example illustrated in FIG. 3, the tubular cage 14 is configured to allow the attachment of six bars 16, as shown in FIG. the external form hexagonal of said tubular cage 14. These bars 16 each carry a row of six tear-off pliers 12 aligned along an axis X2 parallel to the axis XI. These strips are preferably all of similar design; the following description will therefore refer to a single strip 16, as shown in FIGS. 3 to 7. However, the number of strips 16 and the number of tear-off tongs 12 may be larger depending on the size and dimensions of the pins. components of the hair removal head roller 10.
Chaque pince d'arrachage 12 est formée d'une lame fixe 17 et d'une lame mobile 18. Les lames fixes 17 sont liées de manière rigide à la barrette 16 et par conséquent, à la cage tubulaire 14, dans la mesure où selon l'exemple illustré les lames fixes 17 d'une même rangée font partie intégrante de la barrette 16 correspondante. Chaque lame mobile 18 est susceptible de se déplacer entre une position ouverte, visible en figures 4 et 5, selon laquelle la lame mobile 18 est éloignée de la lame fixe 17 et une position fermée, visible en figure 6, selon laquelle la lame mobile 18 est plaquée contre la lame fixe 17. Afin d'assurer les mouvements des lames mobiles 18, le rouleau de tête d'épilation 10 comprend des moyens de manœuvre 19. Each tear-off pliers 12 is formed of a fixed blade 17 and a movable blade 18. The fixed blades 17 are rigidly connected to the bar 16 and consequently to the tubular cage 14, to the extent that according to the illustrated example the fixed blades 17 of the same row form an integral part of the corresponding bar 16. Each movable blade 18 is capable of moving between an open position, visible in FIGS. 4 and 5, according to which the movable blade 18 is moved away from the fixed blade 17 and a closed position, visible in FIG. 6, according to which the movable blade 18 is pressed against the fixed blade 17. In order to ensure the movements of the movable blades 18, the hair removal head roller 10 comprises operating means 19.
Ces moyens de manœuvre 19 comprennent des liaisons pivots 20 entre les lames mobiles 18 et la barrette 16. Ces liaisons pivots 20 sont agencées selon des axes Yl transversaux sur la barrette 16, c'est-à-dire perpendiculaires à l'axe X2. Pour cela les lames mobiles 18 comprennent chacune une partie centrale cylindrique 18a d'axe Yl et la barrette 16 comprend des portions circulaires 16a d'axe Yl dans lesquelles s'encliquètent les portions centrales cylindriques pour assurer leur montage en liaison pivot. Ces lames mobiles comprennent également chacune une partie supérieure 18b constituant la tête de la lame venant en contact de la lame fixe et, une partie inférieure 18c qui s'étend sous la barrette 16 et comprend un orifice de passage 21, illustré en figure 4. These operating means 19 comprise pivot connections 20 between the movable blades 18 and the bar 16. These pivot links 20 are arranged along transverse axes Y1 transverse on the bar 16, that is to say perpendicular to the axis X2. For this purpose the movable blades 18 each comprise a central cylindrical portion 18a Yl axis and the bar 16 comprises circular portions 16a of Yl axis in which the central cylindrical portions are snapped to ensure their mounting in pivot connection. These movable blades also each comprise an upper part 18b constituting the head of the blade coming into contact with the fixed blade and a lower part 18c which extends under the bar 16 and comprises a through hole 21, illustrated in FIG.
Les moyens de manœuvre 19 comprennent des tiges mobiles 22, tel qu'illustré en figures 4 à 7. Leur nombre est identique au nombre de barrettes 16. Leur conception est de préférence également identique. Dans la suite de la description, on se référera donc à la seule tige mobile 22 illustrée sur ces figures 4 à 7, comme pour la barrette 16. The operating means 19 comprise movable rods 22, as illustrated in FIGS. 4 to 7. Their number is identical to the number of bars 16. Their design is preferably also identical. In the rest of the description, reference will be made therefore to the single movable rod 22 illustrated in these figures 4 to 7, as for the bar 16.
Tel qu'illustré sur la figure 4, la tige mobile 22 est disposée sous la barrette 16 et passe au travers des orifices de passage 21 agencés sur les parties inférieures 18c des lames mobiles 18 pour former une liaison pivot flottante. Les orifices de passage 21 sont dimensionnés pour laisser un jeu d'assemblage avec la tige mobile 22, ce qui permet de pivoter suffisamment les lames mobiles 18 selon les axes Yl malgré la présence de la tige mobile 22 montée à pivotement sur lesdites parties inférieures 18c, selon un axe X3 sensiblement parallèle à l'axe X2. Cela évite tout risque de blocage entre la tige mobile 22 et les lames mobiles 18. As shown in Figure 4, the movable rod 22 is disposed below the bar 16 and passes through the through holes 21 arranged on the lower portions 18c of the movable blades 18 to form a floating pivot connection. The passage holes 21 are sized to leave an assembly clearance with the movable rod 22, which allows the movable blades 18 to pivot sufficiently along the axes Y1 despite the presence of the movable rod 22 pivotally mounted on said lower parts 18c. , along an axis X3 substantially parallel to the axis X2. This avoids any risk of blockage between the movable rod 22 and the movable blades 18.
Les moyens de manœuvre 19 comprennent également deux flasques 23, 24 disposés dans les parties extrêmales de l'arbre central 13 auquel ils sont assujettis. La fixation des flasques 23, 24 sur l'arbre central 13 peut être réalisée de manière directe ou indirecte, par tous moyens de fixation connus de l'homme du métier. On peut également envisager de réaliser l'arbre central 13 et les flasques 23, 24 en une seule pièce. Entre ces flasques 23, 24 est disposée la tige mobile 22, comme illustré sur ces figures 4 à 7. Il en est de même pour toutes les tiges mobiles 22 associées aux autres barrettes 16. The operating means 19 also comprise two flanges 23, 24 disposed in the end portions of the central shaft 13 to which they are attached. Fixing the flanges 23, 24 on the central shaft 13 can be carried out directly or indirectly, by any fastening means known to those skilled in the art. One can also consider making the central shaft 13 and the flanges 23, 24 in one piece. Between these flanges 23, 24 is disposed the movable rod 22, as illustrated in these Figures 4 to 7. It is the same for all the movable rods 22 associated with the other bars 16.
Sur le mode de réalisation illustré en figures 4 à 6, la tige mobile 22 est constituée d'une seule partie. En outre, le premier flasque 23 comprend sur sa face interne 23a, un chemin de came 25 de forme circulaire, tel qu'illustré en figure 4. La tige mobile 22 comprend une extrémité proximale 22a attenante au chemin de came 25 et demeurant en appui contre ledit chemin de came 25. Cette extrémité proximale 22a est de préférence, comme illustré sur les figures 4 et 5, munie d'un pion de guidage 26 qui est positionné dans ledit chemin de came 25. La tige mobile 22 comprend également une extrémité distale 22b, illustrée en figure 4 à 6, au niveau de laquelle est agencée une tige de guidage 27 qui s'étend selon l'axe X3 vers l'extérieur de ladite extrémité distale 22b et qui reçoit un ressort hélicoïdal 28 monté en compression entre un épaulement 29 agencé au niveau de cette extrémité distale 22b et la face interne 24a du second flasque 24. Cette face interne 24a peut comprendre un chemin de guidage de forme circulaire (non illustré sur les figures), tel qu'une rainure circulaire, permettant la réception et le guidage de l'extrémité 28a du ressort hélicoïdal 28. Comme illustré en figure 4, le chemin de came 25 comprend une portion circulaire plane voire rainurée 25a qui s'étend sur quasiment 360° sur la face interne 23a du flasque 23 et est poursuivie par une petite portion circulaire saillante 25b. Le chemin de came 25 est configuré pour exercer une poussée contre le pion de guidage 26 dans le sens de la flèche 30 et ainsi, déplacer la tige mobile 22 dans ce sens selon l'axe X3, lorsque la barrette 16 arrive dans une position de travail permettant l'épilation, c'est- à-dire lorsque le rouleau de tête d'épilation 10 tourne selon l'axe XI et amène cette barrette 16 dans la zone de la fenêtre 11 sur le corps 2, tel qu'illustré en figure 1 et 5. Dans cette position, le pion de guidage 26 est en appui contre la portion circulaire saillante 25b et la compression du ressort hélicoïdal 28 est plus importante. Inversement, ce chemin de came 25 est configuré pour permettre audit ressort hélicoïdal 28, à l'état compressé, de pousser sur l'extrémité distale 22b de la tige mobile 22 et la déplacer dans le sens de la flèche 31 selon l'axe X3, en maintenant le pion de guidage 26 en appui contre ledit chemin de came 25, lorsque que la barrette 16 pivote selon l'axe XI et commence à quitter la position de travail. Dans cette position, le pion de guidage 26 pénètre dans la portion circulaire plane ou rainurée 25a et le ressort hélicoïdal 28 se détend légèrement tout en restant compressé. In the embodiment illustrated in Figures 4 to 6, the movable rod 22 consists of a single part. In addition, the first flange 23 comprises on its inner face 23a, a cam path 25 of circular shape, as shown in Figure 4. The movable rod 22 comprises a proximal end 22a adjacent to the cam path 25 and remaining in support against said cam path 25. This proximal end 22a is preferably, as illustrated in Figures 4 and 5, provided with a guide pin 26 which is positioned in said cam path 25. The movable rod 22 also includes one end 22b, illustrated in Figure 4 to 6, at which is arranged a guide rod 27 which extends along the axis X3 outwardly of said distal end 22b and which receives a coil spring 28 mounted in compression between a shoulder 29 arranged at this distal end 22b and the face internal 24a of the second flange 24. This inner face 24a may comprise a guide path of circular shape (not shown in the figures), such as a circular groove, for receiving and guiding the end 28a of the coil spring 28 As illustrated in FIG. 4, the cam path 25 comprises a flat or even grooved circular portion 25a that extends almost 360 ° on the internal face 23a of the flange 23 and is continued by a small projecting circular portion 25b. The cam path 25 is configured to exert a thrust against the guide pin 26 in the direction of the arrow 30 and thus move the movable rod 22 in this direction along the axis X3, when the bar 16 reaches a position of a work enabling depilation, that is to say when the hair removal head roller 10 rotates along the axis XI and brings this bar 16 into the zone of the window 11 on the body 2, as illustrated in FIG. 1 and 5. In this position, the guide pin 26 bears against the projecting circular portion 25b and the compression of the coil spring 28 is greater. Conversely, this cam path 25 is configured to allow said coil spring 28, in the compressed state, to push on the distal end 22b of the movable rod 22 and move it in the direction of the arrow 31 along the axis X3 , while holding the guiding pin 26 in abutment against said cam path 25, when the bar 16 pivots along the axis XI and starts to leave the working position. In this position, the guiding pin 26 penetrates the planar or grooved circular portion 25a and the coil spring 28 relaxes slightly while remaining compressed.
Selon ce mode de conception illustré en figure 4 à 6, la tige mobile 22 comprend deux butées 32, 33. La première butée 32 est située du côté de l'extrémité proximale 22a de la tige mobile 22 et, est configurée pour prendre appui contre la face externe 34 de la partie inférieure 35c de la lame mobile proximale 35 sur la barrette 16, lors d'un déplacement de la tige mobile 22 dans le sens de la flèche 30. La seconde butée 33 est située du côté de l'extrémité distale 22b de la tige mobile 22 et, est configurée pour prendre appui contre la face externe 36 de la partie inférieure 37c de la lame mobile distale 37 sur la barrette 16, lors d'un déplacement de la tige mobile 22 dans le sens de la flèche 31. According to this embodiment illustrated in FIGS. 4 to 6, the movable rod 22 comprises two stops 32, 33. The first stop 32 is situated on the side of the proximal end 22a of the movable rod 22 and is configured to bear against the outer face 34 of the lower portion 35c of the proximal movable blade 35 on the bar 16, during a displacement of the movable rod 22 in the direction of the arrow 30. The second stop 33 is located on the end side 22b of the movable rod 22 and is configured to bear against the outer face 36 of the lower portion 37c of the movable blade distal 37 on the bar 16, during a displacement of the movable rod 22 in the direction of the arrow 31.
Comme illustré sur les figures 4 à 6, des ressorts hélicoïdaux 38 sont montés à coulissement selon l'axe X3 sur la tige mobile 22 et sont disposés entre les lames mobiles 18, 35, 37. Ces ressorts hélicoïdaux 38 sont montés en compression entre deux lames mobiles 18, 35, 37 attenantes. As illustrated in FIGS. 4 to 6, helical springs 38 are slidably mounted along the axis X3 on the movable rod 22 and are arranged between the movable blades 18, 35, 37. These coil springs 38 are mounted in compression between two movable blades 18, 35, 37 adjoining.
La première butée 32 est par exemple constituée d'un circlips afin de permettre le montage de la tige mobile 22 au travers des orifices 21 sur les parties inférieures 18c, 35c, 37c des lames mobiles 18, 35, 37 et le positionnement des ressorts hélicoïdaux 38 entre lesdites lames mobiles. La seconde butée 33 est de préférence constituée par l'épaulement 29 agencé à l'extrémité distale 22b de la tige mobile 22. The first stop 32 is for example constituted by a circlip to allow the mounting of the movable rod 22 through the orifices 21 on the lower parts 18c, 35c, 37c of the movable blades 18, 35, 37 and the positioning of the coil springs. 38 between said movable blades. The second stop 33 is preferably formed by the shoulder 29 arranged at the distal end 22b of the movable rod 22.
Lors d'un déplacement de la tige mobile 22 dans le sens de la flèche 30, la première butée 32 prend appui contre la face externe 34 de la lame mobile proximale 35, permettant le pivotement de ladite lame mobile proximale 35 selon l'axe Yl, de la position fermée illustrée en figure 6 vers la position ouverte illustrée en figure 5. Les ressort hélicoïdaux 38 permettent alors d'exercer mutuellement une poussée sur les autres lames mobiles 18, 37 dans le sens de la flèche 30 et de les faire pivoter également de la position fermée vers la position ouverte. Inversement, lors d'un déplacement de la tige mobile 22 dans le sens de la flèche 31, la seconde butée 33 prend appui contre la face externe 36 de la lame mobile distale 37, permettant le pivotement de ladite lame mobile distale 37 selon l'axe Yl, de la position ouverte illustrée en figure 5 vers la position fermée illustrée en figure 6. Les ressorts hélicoïdaux 38 permettent alors d'exercer mutuellement une poussée sur les autres lames mobiles 18, 35 dans le sens de la flèche 31 et de les faire pivoter également de la position ouverte vers la position fermée. En choisissant une raideur convenable pour ces ressort hélicoïdaux 38 et également pour le ressort hélicoïdal 28 permettant le rappel de la tige mobile 22, on obtient un pivotement quasiment simultané et instantané de toutes les lames mobiles 18, 35, 37 sur la barrette 16, dans la position ouverte et dans la position fermée. En outre, les ressorts hélicoïdaux 38 et les liaisons pivots 20 permettent aux lames mobiles 18, 35, 37 d'exercer des efforts de pincements identiques sur tous les poils dont le diamètre est variable étant donné que ces liaisons pivots 20 sont indépendantes les unes des autres et que les efforts exercés par lesdits ressorts hélicoïdaux sur les lames mobiles 18, 35, 37 s'équilibrent. Sur la variante de conception illustrée en figure 7, la tige mobile 22 est constituée de deux parties 39, 40 entre lesquelles est agencé un axe de guidage central 41 qui est monté à coulissement selon l'axe X3 à l'intérieur des deux extrémités attenantes 39a, 40a desdites deux parties 39, 40. Cet axe de guidage central 41 reçoit à coulissement un ressort hélicoïdal central 42 qui exerce une poussée mutuelle sur lesdites deux extrémités attenantes 39a, 40a, dans des sens opposés illustrés par les flèches 43, 44. Aux extrémités opposées 39b, 40b des deux parties 39, 40 sont fixés respectivement deux tiges de guidage extrêmales 47, 48. Deux flasques 45, 46 sont également fixés de manière directe ou indirecte à l'arbre central 13, comme pour le mode de réalisation décrit précédemment et illustré en figure 4 à 6. Le premier flasque 45 comprend sur sa face interne 45a un chemin de came (non illustré) sur lequel reste en appui l'extrémité 47a de la première tige de guidage extrêmale 47, grâce à l'effort de rappel exercé par le ressort hélicoïdal central 42 dans le sens de la flèche 43. Le second flasque 46 comprend également sur sa face interne 46a un chemin de came (non illustré) dont la conception est toutefois symétrique par rapport au chemin de came sur le premier flasque 45. L'extrémité 48a de la seconde tige de guidage extrêmale 48 reste en appui contre ledit chemin de guidage, grâce à l'effort de rappel exercé par le ressort hélicoïdal central 42 dans le sens de la flèche 44. Ces chemins de came sur les flasques 45, 46 ne sont pas illustrés sur la figure 7. Leur conception est toutefois inversée par rapport au chemin de came 25 du flasque 23 illustré en figures 4 à 6, pour le premier mode de réalisation décrit ci-dessus. C'est-à-dire que ce chemin de came comprend une portion circulaire plane voire légèrement rainurée qui s'étend sur quasiment 360° et est poursuivie par une petite portion circulaire échancrée, à l'inverse de la portion circulaire saillante 25b pour le mode de réalisation des figures 4 à 6. Les extrémités 47a, 48a des tiges de guidage extrêmales 47, 48 pénètrent dans ces portions circulaires échancrées lorsque la barrette 16 arrive en position de travail. On constate sur la figure 7 que la barrette 16 comprend deux séries de pinces 49, 50, disposées symétriquement l'une par rapport à l'autre et comprenant par exemple chacune trois pinces. La conception de ces pinces est similaire à celle décrite précédemment pour le mode de réalisation illustré en figure 4 à 6, en tenant compte toutefois de la symétrie des deux séries de pinces 49, 50, comme illustré en figure 7. During a displacement of the movable rod 22 in the direction of the arrow 30, the first stop 32 bears against the outer face 34 of the proximal movable blade 35, allowing the pivoting of said proximal movable blade 35 along the axis Y1 from the closed position illustrated in Figure 6 to the open position illustrated in Figure 5. The coil spring 38 then allow to exert a thrust on the other movable blades 18, 37 in the direction of the arrow 30 and to rotate also from the closed position to the open position. Conversely, during a displacement of the movable rod 22 in the direction of the arrow 31, the second stop 33 bears against the outer face 36 of the distal movable blade 37, allowing the pivoting of said distal movable blade 37 according to FIG. Yl axis, the open position shown in Figure 5 to the closed position shown in Figure 6. The coil springs 38 then allow to exert a thrust on the other movable blades 18, 35 in the direction of the arrow 31 and the rotate also from the open position to the closed position. By choosing a suitable stiffness for these coil springs 38 and also for the helical spring 28 allowing the return of the movable rod 22, almost simultaneous and instantaneous pivoting of all the movable blades 18, 35, 37 on the bar 16 is achieved in the open position and in the closed position. In addition, the coil springs 38 and the links pivots 20 allow the movable blades 18, 35, 37 to exert identical pinching forces on all the bristles whose diameter is variable since these pivot links 20 are independent of each other and that the forces exerted by said coil springs on the movable blades 18, 35, 37 are balanced. In the design variant illustrated in FIG. 7, the movable rod 22 consists of two parts 39, 40 between which is arranged a central guide shaft 41 which is slidably mounted along the axis X3 inside the two adjoining ends. 39a, 40a of said two portions 39, 40. This central guide shaft 41 slidably receives a central helical spring 42 which urges said two adjoining ends 39a, 40a together in opposite directions as illustrated by the arrows 43, 44. At the opposite ends 39b, 40b of the two parts 39, 40 are respectively fixed two extreme guide rods 47, 48. Two flanges 45, 46 are also attached directly or indirectly to the central shaft 13, as for the embodiment. described above and illustrated in FIGS. 4 to 6. The first flange 45 comprises on its inner face 45a a cam path (not shown) on which the end 47a of the first end guide rod 47, thanks to the return force exerted by the central helical spring 42 in the direction of the arrow 43. The second flange 46 also comprises on its inner face 46a a cam path (not shown) whose However, the design is symmetrical with respect to the cam path on the first flange 45. The end 48a of the second end guide rod 48 remains in abutment against said guide path, thanks to the return force exerted by the central helical spring. 42 in the direction of the arrow 44. These cam paths on the flanges 45, 46 are not shown in FIG. 7. However, their design is reversed with respect to the cam path 25 of the flange 23 illustrated in FIGS. 4 to 6. for the first embodiment described above. That is to say, this cam path comprises a flat circular portion or slightly grooved which extends over almost 360 ° and is continued by a small indented circular portion, in contrast to the projecting circular portion 25b for the embodiment of FIGS. 4 to 6. The ends 47a, 48a of the extreme guide rods 47, 48 penetrate into these indented circular portions when the bar 16 arrives in the working position. It can be seen in FIG. 7 that the bar 16 comprises two series of clamps 49, 50, arranged symmetrically with respect to each other and comprising, for example, each of three clamps. The design of these clamps is similar to that described above for the embodiment illustrated in FIGS. 4 to 6, while taking into account the symmetry of the two series of clamps 49, 50, as illustrated in FIG. 7.
Les deux extrémités attenantes 39a, 40a des deux parties 39, 40 de la tige mobile 22 comprennent chacune une butée 51, 52 constituée par exemple par un épaulement sur chaque partie 39, 40. De même, les deux extrémités opposées 39b, 40b desdites parties 39, 40 comprennent chacune une butée 53, 54 constituées de préférence d'un circlips monté par encliquetage dans une gorge, sur chaque partie 39, 40, en sorte de permettre le montage des deux parties 39, 40 au travers des orifices (non illustrés, mais similaires à l'orifice 21 sur la figure 4) sur les parties inférieures 55c des lames mobiles 55 et, le montage à coulissement selon l'axe X3 des ressorts hélicoïdaux 56 sur les deux parties 39, 40, comme illustré en figure 7. Lorsque la barrette 16 sur le rouleau de tête d'épilation 10 tourne selon l'axe XI et atteint la position de travail, c'est-à-dire la zone de la fenêtre 11 sur l'appareil d'épilation 1, l'extrémité 47a de la tige de guidage 47 de la première partie 39 de la tige mobile 22 pénètre dans la portion échancrée du chemin de came agencé sur le premier flasque 45, ce qui permet du fait de la poussée exercée par le ressort hélicoïdal central 42, de déplacer la première partie 39 dans le sens de la flèche 43. La butée 51 appuie alors sur la face externe 57 de la lame mobile distale 58 pour la faire pivoter selon l'axe Yl d'une position fermée illustrée en figure 7, vers une position ouverte comparable à la position ouverte de la figure 5, en tenant compte toutefois de la symétrie. Le pivotement de la lame mobile distale 58 permet d'agir sur les ressorts hélicoïdaux 56 qui poussent mutuellement les autres lames mobiles 55 pour les faire pivoter selon l'axe Yl vers la position ouverte. Concomitamment, lorsque cette barrette 16 atteint la positon de travail, l'extrémité 48a de la tige de guidage 48 de la seconde partie 40 de la tige mobile 22 pénètre dans la portion échancrée du chemin de came agencé sur le second flasque 46, ce qui permet du fait de la poussée exercée par le ressort hélicoïdal central 42, de déplacer la seconde partie 40 dans le sens de la flèche 44. La butée 52 appuie alors sur la face externe 59 de la lame mobile distale 60 pour la faire pivoter selon l'axe Yl d'une position fermée illustrée en figure 7, vers une position ouverte comparable à la position ouverte de la figure 5. Le pivotement de la lame mobile distale 60 permet d'agir sur les ressorts hélicoïdaux 56 qui poussent mutuellement les autres lames mobiles 55 pour les faire pivoter selon l'axe Yl vers la position ouverte. L'écartement concomitant des deux parties 39, 40 permet au ressort hélicoïdal central 42 de se détendre légèrement tout en restant compressé entre les deux extrémités attenantes 39a, 40a pour maintenir les extrémités opposées 39b, 40b en appui contre les chemins de came des flasques 45, 46. The two adjoining ends 39a, 40a of the two parts 39, 40 of the movable rod 22 each comprise a stop 51, 52 constituted for example by a shoulder on each portion 39, 40. Similarly, the two opposite ends 39b, 40b of said portions 39, 40 each comprise an abutment 53, 54 preferably consisting of a circlip snapped into a groove, on each portion 39, 40, so as to allow the mounting of the two parts 39, 40 through the orifices (not shown , but similar to the orifice 21 in Figure 4) on the lower portions 55c of the movable blades 55 and the sliding assembly along the axis X3 of the coil springs 56 on the two parts 39, 40, as shown in Figure 7 When the bar 16 on the hair removal head roller 10 rotates along the axis XI and reaches the working position, that is to say the area of the window 11 on the hair removal apparatus 1, 1 end 47a of the guide rod 47 of the first part 39 of the movable rod 22 enters the notched portion of the cam path arranged on the first flange 45, which allows due to the thrust exerted by the central helical spring 42, to move the first portion 39 in the direction of the arrow 43. The stop 51 then presses on the outer face 57 of the distal movable blade 58 to rotate it along the axis Y1 of a closed position illustrated in FIG. 7, towards an open position comparable to the open position of FIG. 5, taking into account however the symmetry. The pivoting of the distal movable blade 58 makes it possible to act on the helical springs 56 which mutually push the other movable blades 55 to pivot them along the axis Y1 towards the open position. Concomitantly, when this bar 16 reaches the working position, the end 48a of the guide rod 48 of the second portion 40 of the movable rod 22 enters the indented portion of the cam path arranged on the second flange 46, which allows because of the thrust exerted by the central helical spring 42, to move the second portion 40 in the direction of the arrow 44. The stop 52 then presses on the outer face 59 of the distal movable blade 60 to rotate it along the axis Yl of a position FIG. 7 shows an open position comparable to the open position of FIG. 5. The pivoting movement of the distal movable blade 60 acts on the helical springs 56 which push the other movable blades 55 mutually to rotate them in accordance with FIG. the Yl axis to the open position. The concomitant spacing of the two parts 39, 40 allows the central coil spring 42 to relax slightly while remaining compressed between the two contiguous ends 39a, 40a to keep the opposite ends 39b, 40b in abutment against the cam paths of the flanges 45 , 46.
Lorsque la barrette 16 s'apprête à quitter la position de travail, l'extrémité 47a de la tige de guidage 47 de la première partie 39 de la tige mobile 22 sort de la portion échancrée du chemin de came agencé sur le premier flasque 45, ce qui permet du fait de la poussée exercée dans le sens de la flèche 44 sur ladite extrémité 47a par le chemin de came, de déplacer la première partie 39 dans le sens de cette flèche 44. La butée 53 appuie alors sur la face externe 61 de la lame mobile proximale 62 pour la faire pivoter selon l'axe Yl de la position ouverte vers la position fermée. Le pivotement de la lame mobile proximale 62 permet d'agir sur les ressorts hélicoïdaux 56 qui poussent mutuellement les autres lames mobiles 55, 58 pour les faire pivoter selon l'axe Yl vers la position fermée. Concomitamment, lorsque la barrette 16 s'apprête à quitter la position de travail, l'extrémité 48a de la tige de guidage 48 de la seconde partie 40 de la tige mobile 22 sort de la portion échancrée du chemin de came agencé sur le second flasque 46, ce qui permet du fait de la poussée exercée dans le sens de la flèche 43 sur ladite extrémité 48a par le chemin de came, de déplacer la seconde partie 40 dans le sens de cette flèche 43. La butée 54 appuie alors sur la face externe 63 de la lame mobile proximale 64 pour la faire pivoter selon l'axe Yl de la position ouverte vers la position fermée. Le pivotement de la lame mobile proximale 64 permet d'agir sur les ressorts hélicoïdaux 56 qui poussent mutuellement les autres lames mobiles 55, 60 pour les faire pivoter selon l'axe Yl vers la position fermée. Le rapprochement concomitant des deux parties 39, 40 augmente la compression du ressort hélicoïdal central 42. When the bar 16 is about to leave the working position, the end 47a of the guide rod 47 of the first portion 39 of the movable rod 22 leaves the indented portion of the cam path arranged on the first flange 45, which makes it possible, because of the thrust exerted in the direction of arrow 44 on said end 47a by the cam path, to move the first part 39 in the direction of this arrow 44. The stop 53 then bears on the outer face 61 of the proximal movable blade 62 to rotate it along the axis Yl from the open position to the closed position. The pivoting of the proximal movable blade 62 makes it possible to act on the coil springs 56 which urge the other movable blades 55, 58 to pivot one another along the axis Y1 towards the closed position. Concomitantly, when the bar 16 is about to leave the working position, the end 48a of the guide rod 48 of the second portion 40 of the movable rod 22 out of the indented portion of the cam path arranged on the second flange 46, which allows because of the thrust exerted in the direction of the arrow 43 on said end 48a by the cam path, to move the second portion 40 in the direction of the arrow 43. The stop 54 then presses on the face external 63 of the proximal movable blade 64 to rotate it along the axis Yl from the open position to the closed position. The pivoting of the proximal movable blade 64 makes it possible to act on the coil springs 56 which mutually push the other movable blades 55, 60 to pivot them along the axis Y1 towards the closed position. The concomitant bringing together of the two parts 39, 40 increases the compression of the central helical spring 42.
En choisissant une raideur convenable pour les ressorts hélicoïdaux 56 et pour le ressort hélicoïdal central 42, on assure un déplacement quasiment instantané et simultané de toutes les lames mobiles sur les deux séries de pinces 49, 50. En outre cette conception permet également d'équilibrer les efforts de pincement exercés par toutes les lames mobiles sur les deux séries de pinces 49, 50, malgré des différences de diamètres de poils pincés dans les pinces. By choosing a suitable stiffness for the coil springs 56 and the central coil spring 42, it ensures a virtually instantaneous and simultaneous movement of all the movable blades on the two sets of clamps 49, 50. In addition this design also allows to balance the clamping forces exerted by all the movable blades on the two series of clamps 49, 50, despite differences in the diameter of pinched bristles in the clamps.
D'autres variantes de conception sont envisageables sans sortir du cadre de l'invention. On pourrait, par exemple, sur la base des deux modes de réalisation décrits précédemment, prévoir des conceptions inversées et/ou symétriques des éléments constitutifs du rouleau de tête d'épilation 10, notamment les sens des pinces, des tiges mobiles, la position des ressorts hélicoïdaux, le sens des chemins de came sur les faces internes des flasques ... Pour limiter les frottements entre le pion de guidage 26 et le chemin de came 25, selon le premier mode de réalisation décrit précédemment, on peut prévoir sur ledit chemin de came 25 des billes ou des rouleaux (non illustrés) sur lesquels se déplace en appui ledit pion de guidage 26. Cela est également envisageable pour le second mode de réalisation de la figure 7, entre les tiges de guidage 47, 48 et les deux flasques 45, 46. Il en est de même pour toutes autres variantes. Other design variants are conceivable without departing from the scope of the invention. One could, for example, on the basis of the two embodiments described above, provide inverted and / or symmetrical designs of the components of the hair removal head roller 10, including the directions of the clamps, the movable rods, the position of the helical springs, the direction of the cam paths on the inner faces of the flanges ... To limit the friction between the guide pin 26 and the cam path 25, according to the first embodiment described above, it is possible to provide on said path cam 25 balls or rollers (not shown) on which moves said guide pin 26. This is also possible for the second embodiment of Figure 7, between the guide rods 47, 48 and the two flanges 45, 46. The same applies to all other variants.

Claims

REVENDICATIONS
Rouleau de tête d'épilation (10) comprenant un arbre central (13) fixe, des barrettes (16) constituant chacune une portion tubulaire du rouleau et étant entraînées en rotation autour de l'arbre central pour être positionnées successivement dans une position de travail et, des pinces d'arrachage (12, 49, 50) agencées sur chaque barrette, chaque pince d'arrachage étant formée d'une lame fixe (17) et d'une lame mobile (18, 35, 37, 55, 58, 60, 62, 64) entre une position ouverte et une position fermée, ledit rouleau comprenant des moyens de manœuvre (19) des lames mobiles configurés, d'une part, pour pivoter selon des axes Yl transversaux, vers la position ouverte, toutes les lames mobiles sur la barrette arrivant en position de travail et d'autre part, pour pivoter selon ces axes Yl transversaux, vers la position fermée, toutes les lames mobiles (18, 35, 37, 55, 58, 60, 62, 64) sur la barrette (16) quittant la position de travail, caractérisé en ce que les moyens de manœuvre (19) comprennent des liaisons pivot (20) agencées selon les axes Yl transversaux entre les lames mobiles (18, 35, 37, 55, 58, 60, 62, 64) et les barrettes (16), et que les moyens de manœuvre (19) comprennent des tiges mobiles (22) agencées sous chaque barrette (16) selon des axes X3, des liaisons pivots flottantes étant agencées entre les lames mobiles et chaque tige mobile (22) respective, et des moyens de ressort (38, 56) configurés sur chaque tige mobile (22) entre les lames mobiles adjacentes pour exercer des efforts mutuels entre ces lames mobiles et équilibrer ces efforts. Depilatory head roller (10) comprising a fixed central shaft (13), bars (16) each constituting a tubular portion of the roller and being rotated about the central shaft to be successively positioned in a working position and tear-off pliers (12, 49, 50) arranged on each bar, each pulling pliers being formed of a fixed blade (17) and a movable blade (18, 35, 37, 55, 58). , 60, 62, 64) between an open position and a closed position, said roll comprising means for operating (19) movable blades configured, on the one hand, to pivot along transverse axes Y1 transverse, to the open position, all the movable blades on the bar arriving in the working position and secondly, for pivoting along these transverse axes Y1, towards the closed position, all the movable blades (18, 35, 37, 55, 58, 60, 62, 64 ) on the bar (16) leaving the working position, characterized in that the maneuvering means re (19) comprise pivot connections (20) arranged along the transverse axes Y1 transverse between the movable blades (18, 35, 37, 55, 58, 60, 62, 64) and the bars (16), and that the means of maneuver (19) comprises movable rods (22) arranged under each bar (16) along X3 axes, floating pivot links being arranged between the movable blades and each respective movable rod (22), and spring means (38, 56) configured on each movable rod (22) between the adjacent movable blades to exert mutual efforts between these movable blades and balance these forces.
Rouleau de tête d'épilation (10) selon la revendication 1 caractérisé en ce que les moyens de manœuvre comprennent deux flasques (23, 24, 45, 46) fixes entre lesquels sont disposées les tiges mobiles (22), au moins un (23, 45, 46) des deux flasques comprenant sur sa face interne (23a, 45a, 46a) un chemin de came circulaire (25) sur lequel prennent appui les extrémités attenantes (26, 47a, 48a) des tiges mobiles et configuré pour translater selon l'axe X3 la tige mobile sous la barrette respective arrivant en position de travail, dans une position active permettant le pivotement des lames mobiles vers la position ouverte, dans lequel les moyens de manœuvre comprennent des moyens de rappel (28, 42) configurés pour maintenir en appui lesdites extrémités des tiges mobiles contre ledit chemin de came et, lesdites tiges mobiles comprennent chacune des moyens de butée (32, 33, 51, 52, 53, 54) contre les faces externes (34, 36, 57, 59, 61, 63) des lames mobiles proximales (35, 62, 64) et distales (37, 58, 60) lors d'une translation de ladite tige mobile selon l'axe X3. Depilatory head roller (10) according to claim 1 characterized in that the operating means comprise two fixed flanges (23, 24, 45, 46) between which are arranged the movable rods (22), at least one (23) , 45, 46) of the two flanges comprising on its inner face (23a, 45a, 46a) a circular cam path (25) on which abutting ends (26, 47a, 48a) of the movable rods rest and configured to translate according to the X3 axis the stem mobile under the respective bar arriving in the working position, in an active position for pivoting the movable blades to the open position, wherein the operating means comprise return means (28, 42) configured to maintain in abutment said ends of the rods movable against said cam path and, said movable rods each comprise stop means (32, 33, 51, 52, 53, 54) against the outer faces (34, 36, 57, 59, 61, 63) of the blades. mobile proximal (35, 62, 64) and distal (37, 58, 60) during a translation of said movable rod along the axis X3.
Rouleau de tête d'épilation (10) selon la revendication 1 ou 2, dans lequel les lames mobiles (18, 35, 37, 55, 58, 60, 62, 64) comprennent chacune une partie inférieure (18c) comprenant un orifice (21) configuré pour recevoir la tige mobile (22) respective avec un jeu de montage permettant le basculement des lames mobiles en position ouverte ou fermée lors d'une translation de cette tige mobile selon l'axe X3. The hair removal head roller (10) according to claim 1 or 2, wherein the movable blades (18, 35, 37, 55, 58, 60, 62, 64) each comprise a lower portion (18c) comprising an orifice ( 21) configured to receive the respective movable rod (22) with a mounting clearance for tilting the movable blades in the open or closed position during a translation of the movable rod along the axis X3.
Rouleau de tête d'épilation (10) selon l'une des revendications 2 ou 3, dans lequel les moyens de rappel comprennent au moins un ressort hélicoïdal (28, 42) agencé selon l'axe X3 et exerçant un effort contre la tige mobile (22) pour la maintenir en appui contre le chemin de came (25).  Depilatory head roller (10) according to one of claims 2 or 3, wherein the biasing means comprise at least one coil spring (28, 42) arranged along the axis X3 and exerting a force against the movable rod (22) to hold it in abutment against the cam path (25).
Rouleau de tête d'épilation (10) selon l'une des revendications 2 à 4, dans lequel les moyens de butée (32, 33, 51, 52, 53, 54) sont constitués d'une portion épaulée sur la tige mobile (22).  Depilatory head roller (10) according to one of claims 2 to 4, wherein the abutment means (32, 33, 51, 52, 53, 54) consist of a shoulder portion on the movable rod ( 22).
Rouleau de tête d'épilation (10) selon l'une des revendications 1 à 5, dans lequel les moyens de ressort sont constitués de ressorts hélicoïdaux (38, 56) montés sur la tige mobile (22) entre les lames mobiles (18, 35, 37, 55, 58, 60, 62, 64).  The hair removal head roller (10) according to one of claims 1 to 5, wherein the spring means are coil springs (38, 56) mounted on the movable shaft (22) between the movable blades (18, 35, 37, 55, 58, 60, 62, 64).
Rouleau de tête d'épilation (10) selon l'une des revendications 2 à 6, dans lequel l'extrémité attenante (22a) de la tige mobile (22) comprend une pièce de guidage (26, 47, 48) sur le chemin de came (25).  The hair removal head roller (10) according to one of claims 2 to 6, wherein the adjoining end (22a) of the movable rod (22) comprises a guide piece (26, 47, 48) on the path cam (25).
Rouleau de tête d'épilation (10) selon l'une des revendications 2 à 7, dans lequel des moyens de roulement sont agencés sur le chemin de came (25). The hair removal head roller (10) according to one of claims 2 to 7, wherein rolling means are arranged on the cam path (25).
9. Rouleau de tête d'épilation (10) selon l'une des revendications 2 à 8, dans lequel les tiges mobiles (22) comprennent chacune deux parties (39, 40), les deux flasques (45, 46) comprenant chacun sur leur face interne (45a, 46a) un chemin de came, les extrémités opposées (39b, 40b) des deux parties étant respectivement en appui contre les chemins de came attenants. 9. hair removal head roller (10) according to one of claims 2 to 8, wherein the movable rods (22) each comprise two parts (39, 40), the two flanges (45, 46) each comprising their inner face (45a, 46a) a cam path, the opposite ends (39b, 40b) of the two parts respectively bearing against the adjoining cam paths.
10. Rouleau de tête d'épilation (10) selon la revendication 9, dans lequel les deux parties (39, 40) des tiges mobiles (22) sont symétriques, les chemins de came sur les deux flasques (45, 46) étant opposés, les lames mobiles (55, 58, 60, 62, 64) montées respectivement sur ces deux parties symétriques pivotant en sens opposé.  The hair removal head roller (10) according to claim 9, wherein the two portions (39, 40) of the movable rods (22) are symmetrical, the cam paths on the two flanges (45, 46) being opposite. , the movable blades (55, 58, 60, 62, 64) mounted respectively on these two symmetrical parts pivoting in opposite directions.
11. Rouleau de tête d'épilation (10) selon l'une des revendications 1 à 10, lequel comprend une cage tubulaire (14) montée en liaison pivot d'axe XI sur l'arbre central (13), les barrettes (16) étant montées longitudinalement sur la cage tubulaire selon des axes X2.  11. hair removal head roller (10) according to one of claims 1 to 10, which comprises a tubular cage (14) pivotally connected to axis XI on the central shaft (13), the bars (16). ) being mounted longitudinally on the tubular cage along X2 axes.
12. Appareil d'épilation (1) comprenant un corps (2), un rouleau de tête d'épilation (10) selon l'une quelconque des revendications 1 à 11 et des moyens d'activation (4, 5) du rouleau.  An epilation apparatus (1) comprising a body (2), an epilation head roll (10) according to any one of claims 1 to 11 and means (4, 5) for activating the roll.
13. Appareil d'épilation (1) selon la revendication 12, lequel comprend des moyens d'assemblage agencés entre le corps (2) et l'arbre central (13) du rouleau de tête d'épilation (10) et configurés pour fixer ledit arbre central avec ledit corps. The hair removal apparatus (1) as claimed in claim 12, which comprises connecting means arranged between the body (2) and the central shaft (13) of the epilation head roll (10) and configured to secure said central shaft with said body.
14. Appareil d'épilation (1) selon la revendication 13, dans lequel les moyens d'assemblage sont configurés pour permettre le démontage du rouleau de tête d'épilation (10) dudit appareil. The hair removal apparatus (1) according to claim 13, wherein the connecting means is configured to disassemble the epilating head roll (10) of said apparatus.
15. Appareil d'épilation (1) selon l'une des revendications 12 à 14, dans lequel les moyens d'activation (4, 5) sont configurés pour entraîner en rotation les barrettes (16) du rouleau de tête d'épilation (10), autour de l'arbre central (13).  Hair removal apparatus (1) according to one of claims 12 to 14, wherein the activation means (4, 5) are configured to rotate the barrettes (16) of the hair removal head roll ( 10) around the central shaft (13).
EP13782773.9A 2012-10-05 2013-10-01 Epilation device comprising pivoting tweezers Active EP2903473B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1259531A FR2996429B1 (en) 2012-10-05 2012-10-05 PIVOTING CLAMPS CLEANING APPARATUS
PCT/FR2013/052336 WO2014053765A1 (en) 2012-10-05 2013-10-01 Epilation device comprising pivoting tweezers

Publications (2)

Publication Number Publication Date
EP2903473A1 true EP2903473A1 (en) 2015-08-12
EP2903473B1 EP2903473B1 (en) 2018-05-30

Family

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Application Number Title Priority Date Filing Date
EP13782773.9A Active EP2903473B1 (en) 2012-10-05 2013-10-01 Epilation device comprising pivoting tweezers

Country Status (7)

Country Link
EP (1) EP2903473B1 (en)
CN (1) CN104661560B (en)
ES (1) ES2675781T3 (en)
FR (1) FR2996429B1 (en)
PT (1) PT2903473T (en)
TR (1) TR201809285T4 (en)
WO (1) WO2014053765A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3417737B1 (en) 2017-06-19 2019-10-16 Braun GmbH Epilating device

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Publication number Priority date Publication date Assignee Title
DE69631073T2 (en) * 1995-08-28 2004-09-09 Matsushita Electric Works, Ltd., Kadoma hand-held depilating
JP3864627B2 (en) * 1999-07-27 2007-01-10 松下電工株式会社 Hair removal equipment
US7300443B2 (en) 2003-11-10 2007-11-27 Specialife Industries Ltd. Epilating appliance
JP4720886B2 (en) * 2008-09-22 2011-07-13 パナソニック電工株式会社 Hair removal equipment
EP2245958A1 (en) * 2009-04-30 2010-11-03 Braun GmbH Hair removal device
CN102485098A (en) * 2009-11-09 2012-06-06 杨伟青 Depilatory device capable of being washed through being dismounted
CN102342651B (en) * 2011-11-11 2013-07-03 超人集团有限公司 Electric dehairing device

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Title
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See also references of WO2014053765A1 *

Also Published As

Publication number Publication date
TR201809285T4 (en) 2018-07-23
EP2903473B1 (en) 2018-05-30
PT2903473T (en) 2018-07-12
CN104661560B (en) 2017-04-12
FR2996429A1 (en) 2014-04-11
ES2675781T3 (en) 2018-07-12
WO2014053765A1 (en) 2014-04-10
CN104661560A (en) 2015-05-27
FR2996429B1 (en) 2016-01-08

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