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.

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• Scissors And Nippers (AREA)
• Surgical Instruments (AREA)
• Hair Curling (AREA)

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Publications (1)

Family

ID=47754635

Family Applications (1)

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Cited By (2)

Citations (3)

Family Cites Families (4)

• 2012
  • 2012-10-05 FR FR1259531A patent/FR2996429B1/fr not_active Expired - Fee Related
• 2013
  • 2013-10-01 ES ES13782773.9T patent/ES2675781T3/es active Active
  • 2013-10-01 CN CN201380049340.7A patent/CN104661560B/zh active Active
  • 2013-10-01 TR TR2018/09285T patent/TR201809285T4/tr unknown
  • 2013-10-01 EP EP13782773.9A patent/EP2903473B1/fr active Active
  • 2013-10-01 WO PCT/FR2013/052336 patent/WO2014053765A1/fr active Application Filing
  • 2013-10-01 PT PT137827739T patent/PT2903473T/pt unknown

Patent Citations (3)

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