EP1651077B1 - Appareil a epiler a pinces d'arrachage - Google Patents

Appareil a epiler a pinces d'arrachage Download PDF

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Publication number
EP1651077B1
EP1651077B1 EP04786269A EP04786269A EP1651077B1 EP 1651077 B1 EP1651077 B1 EP 1651077B1 EP 04786269 A EP04786269 A EP 04786269A EP 04786269 A EP04786269 A EP 04786269A EP 1651077 B1 EP1651077 B1 EP 1651077B1
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EP
European Patent Office
Prior art keywords
blades
moving
cam
blade
shaft
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Expired - Lifetime
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EP04786269A
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German (de)
English (en)
French (fr)
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EP1651077A1 (fr
Inventor
Jérôme Fabron
Martial Maisonneuve
Bernard Gutty
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SEB SA
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SEB SA
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    • 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
    • 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
    • A45D26/0061—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with means for reducing pain during hair removal

Definitions

  • the present invention relates to a tweezers with tear-off pliers which can be held by hand and intended to remove unwanted hair from the human body.
  • This type of depilatory device generally comprises blades in the form of blades or discs arranged on a rotating roller, the clamps being caused to close and open periodically so as to tighten the hairs close to the skin to tear them off. by the rotation of the roller and, respectively, to evacuate the torn hairs.
  • apparatus comprising a housing adapted to be held by hand and containing a drive motor for a roller movable in rotation about a central shaft arranged behind a window in the housing.
  • the roll has a plurality of rows of clamps, each row being formed of a first series of movable side-by-side parallel blades interposed between a second series of also movable blades, the pinch edges of the blades being bent axially with respect to the bases. blades.
  • the first series of blades is secured to a central player
  • the second series of blades is secured to a cage surrounding the walkman coaxially
  • the apparatus further comprises cams arranged laterally on the flanges of the roller, said cams applying to the player and to the cage of the translational movements in alternative and in opposite directions.
  • Such curved blades are discrete elastic elements interposed in the control kinematics of the blades, these elastic elements providing a more controlled clamping force range for less machining constraints.
  • this device Functioning to satisfaction, this device is quite complex construction and assembly. Moreover, by virtue of its multi-component and side cam construction, the diameter of the rotary roller as well as that its width have significant dimensions which can be a major drawback when handling such a tweezers head in areas of changing relief of the human body. Note also that all the clamps of a row are operated simultaneously, which implies a significant power of the motor simultaneously actuating the series of clamps, power which, in addition varies much in time, between a maximum value corresponding to the actuation of the clamps and a minimum value when they are no longer actuated. This requires a powerful, expensive and bulky motor and whose life is reduced.
  • a solution has been proposed in the document FR 2 662 338 which describes a tweezers having a tweezers in the form of a rotating roll comprising fixed disks alternating with laterally movable blades. These disks and blades having a central square hole are alternately threaded onto a central rotary drive shaft of section also square.
  • the fixed disks having a global cross shape, are maintained equidistant by spacers and have four holes arranged in a cross for the passage of control levers located around the central shaft.
  • the movable blades also have a cross shape and comprise an enlarged central orifice of square form of fixing on the spacers for their drive in rotation.
  • Two control rods diametrically opposed to the shaft are engaged with a first series of movable blades that they rotate towards the fixed disks when the two control rods move in opposite directions relative to each other .
  • Two additional control rods at right angles to the first, engage a second set of moving blades and impart the same movement, but offset by 90 °.
  • Each rod carries at its end a roller engaged in a helical groove of a fixed end bearing acting as a cam, this groove alone imposing the forward and backward movement of the movable blades, without the aid of a spring. The moving blades will then pivot to alternately contact the adjacent fixed disks.
  • This apparatus therefore uses cams having a shallow continuous profile groove, the control rods needing a small lever arm to pivotably move the movable blades to close and respectively open the clamps.
  • This certainly offers the advantage of reducing engine consumption and operating noise, but at the expense of a rigid construction that becomes non-functional as soon as its components wear out.
  • the value of the clamping force at the pinching edges of the blades which is then a sub-multiple of the force applied to the control rod of the cam, as well as the regularity of this force along the row are determined by the positions of the components, rather rigid.
  • the document FR 2,663,519 discloses a rotary-roller depilatory apparatus comprising a series of fixed disks disposed transversely to the central shaft of the roller, movable blades being provided between the fixed disks to each periodically apply to a neighboring disk.
  • the movable blades are independent of each other and are mounted freely sliding axially on two rods arranged parallel to the shaft and supported by two flange cheeks ensuring the rotational drive of the assembly.
  • the central shaft of the rotating roller is fixedly mounted and has camming grooves at its periphery for the movable blades. Each pinch blade is engaged on its own path of cam made on the circumference of the central shaft.
  • the movable blades each follow their respective cam path, causing their translational axial movement relative to the adjacent fixed disk so as to be applied against the neighboring disk and move away alternately.
  • the object of the invention is to remedy, at least in part, the aforementioned drawbacks and to propose a tweezers device with peelable tongs adapted to ensure a correct pinching of the bristles and thus a constant quality of hair removal all along its life cycle.
  • Another object of the invention is a tweezers with compact construction, capable of operating with a lower power engine, while being reliable in operation.
  • Another object of the invention is a device with pliers for tearing able to reduce the pain felt during tearing, to reduce the noise of operation, while being of simplified construction and allowing its realization in large numbers at reduced cost .
  • a depilatory device including a planned housing to be held by hand and containing an electric motor driving a rotating roller around a central shaft; this roll having one or more rows of clamps, each clamp being formed of two blades arranged side by side in the longitudinal direction of the shaft, at least one of which is a movable blade; a cage supporting said blades and driven in rotation about the shaft, as well as control means disposed inside said cage and having at least one cylindrical cam coaxial with the cage having at least one peripheral groove forming a guide path for said movable blade in its reciprocating movement against the adjacent blade, because said movable blade receives the bearing force of a resilient compensating means at least when applied against the adjacent blade.
  • the rotary roller forming the depilatory head of such a depilatory device already comprises a central shaft which can be fixed or rotatable, a peripheral cage coaxial with the shaft and driven in rotation around the latter, and means control devices arranged between the central shaft and the cage.
  • the control means comprise at least one fixed cylindrical cam, coaxial with the cage and the shaft, said cam comprises on its periphery a groove forming a guide path for a movable blade when moving relative to an adjacent blade forming with the latter a pliers of tearing. It should therefore be noted that the rotary roller not only supports the pulling tongs, but it also incorporates the mechanism for controlling the displacement of the blades during their reciprocating movement towards one another.
  • This control mechanism is located inside the diameter of the rotating roll, a tweening apparatus of reduced width is obtained, in view of the absence of lateral cams, and therefore much more manoeuvrable in the hard-to-reach areas of the human body.
  • This constructive solution has a remarkable compactness and allows the industrialization of the rotating roll as a separate subset.
  • peripheral groove cam has significant advantages in terms of constructive simplification, as well as in terms of noise attenuation, the blades being guided in the groove of said cam when moving around the central shaft of the roller.
  • a movable blade receives the bearing force of an elastic compensation means at least when it is applied against the adjacent blade.
  • resilient compensation means comprises an elastic means provided to make up the games due to manufacturing tolerances of parts and / or assembly of the assembly and / or wear of the grooves of said cam. This is a separate means of a possible elasticity in bending of the blades, an apparatus comprising such elastic means of compensation then being able to function also with rigid blades. If the blades are designed to have bending elasticity when they come into contact, this bending reflecting the clamping force will be the same during the life of the product because said elastic means of compensation allows to have a source of effort constant because of its low stiffness.
  • the stiffness of the elastic compression means is between 0.5 and 2 N / mm.
  • Said elastic compensation means can act during the entire rotation period of the rotating roller, but its action is essential when closing a clamp when a well-defined clamping pressure must be applied to the bristles lying between its blades.
  • the cam is fixedly mounted relative to the housing and the pliers are normally closed, each movable blade being pushed against the adjacent blade by said elastic compensation means (for example a spring compression).
  • said elastic compensation means for example a spring compression.
  • the elastic compensation means exerts a thrust on said cam of the control means in order to maintain contact between the guide groove and the movable blade which runs through it.
  • the clamps are normally open, their closure being controlled by the profile of the cam groove, but the cam is not fixed, it moves under the thrust of said elastic compensation means.
  • This elastic compensation means thus ensures a permanent contact of the movable blade with the wall of the groove against which it is applied, the sets of manufacture, assembly or wear then being caught by this elastic means.
  • the clamping force of the clamps by the elastic compensation means is determined so as to ensure optimum clamping for good grip of the bristles, without cutting them during tearing.
  • the clamping force of the clamps is then constant in time and well controlled, without adjustments being necessary for assembly or during use.
  • said resilient compensation means is a spring which exerts its thrust on a movable cam, the force of the spring being oriented parallel to the longitudinal axis, in the direction of closure of a clamp.
  • the apparatus uses an axial cam with the possibility of displacement in axial translation under the thrust of said spring.
  • the wear due to the friction of a pin forming part of the means for actuating a movable blade on the groove of the cam causes wear of the groove at the contact with the closing lateral flank, which increases in time the width of the groove with the consequence of reducing the clamping force of a clamp.
  • the spring of the invention translates axially the moving cam of the value of this wear thus ensuring a constant clamping force of the clamp throughout the life cycle of the device.
  • said movable cam is supported by the central shaft mounted fixed relative to the housing of the apparatus.
  • said movable cam is slidably mounted against a spring in a notch within the shaft and has grooves which form a continuous guide path with grooves in their extension on the shaft. 'tree.
  • This solution makes it possible to dispose said cam within the central shaft itself, where the cam and the shaft have grooves on their periphery, the grooved part of the shaft thus forming a fixed cam.
  • This makes it possible to obtain a remarkable compactness in the radial direction of the rotating roller and, subsequently, a hair removal head apparatus of small diameter, which is small in size and can rotate at a higher speed, which guarantees more efficiency from the first pass of the device on the skin.
  • the spring acts only on the moving cam, so that the elastic load is applied only when closing the clamps, which reduces the engine consumption and allows the use of a motor. reduced power.
  • said movable blade comprises at its base a lug which follows the profile of the grooves of said cam.
  • Such a movable blade can be made in one piece with such a pin or the latter can be fixed in the lower part of the movable blade. This makes it possible to directly engage said movable blade in the guiding path formed by the groove of said cam and thus to obtain a displacement in translation of the movable blade during the rotation of the roller.
  • the apparatus of the invention comprises two mounted mobile cams side by side along the longitudinal axis of the shaft having bent zones oriented in opposite directions relative to each other.
  • said cage supports at least one movable blade and an adjacent support blade and said blades are curved in the longitudinal direction of the shaft, the curvatures of two adjacent blades facing each other.
  • the cage supports in translation the pulling pliers and ensures their drive in rotation, this cage can be monobloc or consists of several individual rods each mounted on the side flanges of the rotary roller.
  • a tear-off pliers is formed of a movable blade moving in the groove of the cam and an adjacent support blade.
  • a support blade comprises a blade which is not driven in motion by the control means.
  • This support blade may be either a fixed blade (it is understood fixedly mounted relative to a movable blade which is driven by the control means in a reciprocating movement against an adjacent support blade) or it may have a some mobility to simplify the assembly line chain, as will be explained later. This allows the implementation of a flexural elasticity of the edges or pinch ends of the blades during their contact.
  • the clamping force of a clamp is then represented by the sum of the forces exerted on the cam, and consequently on the lug of a movable blade, by the compensation spring and by the elasticity of the blades which acts directly on the cam. the nip edges of the two adjacent blades.
  • a row of movable blades form with a row of support blades and a bar a tear-off module disposed on the periphery of the cage.
  • Such a modular design of the epilation head allows the realization of many variants of devices.
  • it changes the number of clamps and can thus vary the diameter of the epilation head, a single manufacturing tool is in this case necessary to obtain various versions of devices.
  • a row of movable blades comprises four movable blades, two movable blades forming a moving one-piece part, two moving one-piece parts being mounted in parallel in a bar.
  • Two movable blades form a moving one-piece piece which is therefore actuated independently of the other and, therefore, a crowded clamp does not affect the clamping of the other for greater efficiency. It has been found that a row of four active tweezers that close at the same time provides sufficient efficiency while reducing pain.
  • the parallel assembly of the movable blades reduces the size in the longitudinal direction.
  • two bearing blades form a one-piece support piece, each one-piece support piece being supported within a moving monoblock part.
  • the one-piece support piece has a degree of translation in order to better distribute the clamping forces on all the blades urged when they come into contact.
  • the apparatus of the invention comprises several stripping modules, the stripping pliers of a module being angularly offset relative to the stripping pliers of the next module.
  • At least one tear module is engaged on the ramps of the moving cams during the rotation of the rotating roller.
  • the apex angle of a moving cam is advantageously between 80 ° and 100 °.
  • an epilation head comprising a rotary roller 1 having a shaft 7 in its central part around which are arranged several tear modules 2 having a global shape of right prism of octagonal section.
  • the tear modules 2 carry the tear-off pliers and are rotated by two lateral flanges 4.5 supported by the shaft 7.
  • the shaft 7 is fixedly mounted relative to the housing of the apparatus. More particularly, the flattened ends 6 of the shaft 7 pass through the bearings 3 of the lateral flanges 4,5 and are each mounted in a lateral cover, such as the right cover 8.
  • An identical left cover (not shown) is also provided around left flange 5, the two covers constituting the upper side walls of a housing to be held by hand.
  • each lateral cover defines a depilatory window through which the rotating roller 1 appears.
  • An internal structure of the housing supports an electric motor driving the rotary roller 1 via a set of gears whose further away from the motor engages with a ring gear made at the periphery of the side flanges 4,5.
  • the rotary roller 1 supports a plurality of tear modules 2 uniformly distributed over its circumference.
  • the tear modules 2 are inserted at the periphery of a cylindrical cage 10 whose ends 11 are mounted in orifices 12 provided at the periphery of the lateral flanges 4,5, this being better visible at the figure 3 where, for simplicity, only one tearout module 2 has been shown on the six pulling modules that comprises the rotary roller 1.
  • the side flanges 4,5 thus drive in a single rotational movement the cage 10 with the modules d 2.
  • the cage 10 is divided into several peripheral sectors 9 corresponding to the number of tear modules 2 they support.
  • Each sector 9 has a bottom wall comprising guide rails 14, 15 intended to receive the tear-off pliers, the side walls 17, 18 of each sector 9 being designed to support a bar which covers the clamps of FIG. uprooting.
  • a pullout module 2 ( figures 2 , 3 and 7 ) comprises a plurality of tear-off pliers, each pulling pliers consisting of a movable blade 20 and an adjacent support blade 21, several pairs of support and movable blades being arranged side by side in the direction of the longitudinal axis of the tear module 2, parallel to the shaft 7 of the rotary roller 1.
  • the tear-off pliers of a tear module 2 are capped by a bar 24 having rectangular openings 25 distributed longitudinally through which project the ends constituting the nip edges of the blades 20,21.
  • the bar 24 comprises, in its upper part, massage pins 26 arranged between two adjacent tear-off pliers, as well as comb teeth 27 bordering on either side, in the direction of rotation of the rotary roller 1, a rectangular opening 25 revealing the edges of the blades 20,21 of a tear-off pliers.
  • the bar 24 has two notches 28,29 ( fig.7 ) for attachment to the side walls 17,18 of a sector 9 of the cage 10.
  • Such a strip 24 is preferably made of a plastic material, for example ABS, by an injection technique.
  • the movable blades 20 comprise at their base a lug 22 intended to come into contact with the profile of a cam which controls the reciprocating movement of the movable blade 20, which has the effect of opening and closing a gripper. uprooting.
  • the profile of such a control cam is formed as a groove formed on the periphery of a control shaft assembly 40 of the epilation head.
  • the shaft 7 has grooves 30 on its periphery, whose fixed cam shape profile.
  • the profile of the grooves 30 is interrupted by two notches 32,32 'which are formed on either side of a central wall 33 inside the shaft 7, each notch 32,32' being intended to receive a mobile cam 34,34 '.
  • the movable cam 34,34 ' has the overall shape of a cylinder sector of outside diameter identical to that of the shaft 7 and has grooves 35,35' on its periphery in a circular arc.
  • Each movable cam 34,34 ' is slidably mounted within one of the notches 32,32' against a compression spring 37,37 '.
  • the spring 37,37 ' is arranged in a hole 38,38 'formed inside a cam 34,34' and it keeps the cams 34,34 'spaced from the end wall 39 of each notch 32,32' by exerting a thrust in the direction of the central wall 33.
  • the cam 34,34 ' has at each of its ends a pair of longitudinal guide lugs 41 which slide on the outer longitudinal edges of the two rectangular windows 42 provided for this purpose in the bottom wall of each notch 32.32.
  • the longitudinal edges of the rectangular windows 42 are parallel to the longitudinal axis of the shaft 7 and provide the translational guidance of the cams 34 parallel to the longitudinal axis of the shaft 7.
  • the shaft 7 may be made of metal, for example aluminum, by a technique machining or Zamak ® by an injection technique and the movable cams 34,34 'are preferably made of a plastic material having a low coefficient of friction, for example the POM, by an injection technique.
  • each movable cam 34,34 ' is kept away from the central wall 33 by the continuous engagement of the lugs 22 of the movable blades in its grooves 35,35'.
  • the apex angle of the movable cam 34,34 ' is calculated such that there is always at least one row of blades 20,21 in the grooves of said movable cam 34,34'.
  • the apex angle of a movable cam 34,34 ' must be greater than 60 °, it is preferably between 80 ° and 100 ° °.
  • each movable cam 34,34 ' comprises a group of three parallel grooves on its periphery, in particular the left movable cam 34 has three grooves 35a, 35b, 35c and the right movable cam 34' has three grooves 35a ', 35b' and 35c .
  • the grooves 35,35 'of the cams 34,34' are in the extension of the grooves 30,30 'formed on the periphery of the shaft 7.
  • the shaft 7 has, towards its left end, a group of three parallel grooves 30a, 30b and 30c located in the extending the grooves 35a, 35b and 35c of the movable cam 34 to the left and, towards its right end, another group of grooves 30a ', 30b' and 30c 'which are arranged in the extension of the grooves 35a', 35b 'and 35c 'of the movable cam 34' located to the right relative to the central wall 33 of the shaft 7.
  • a continuous contour of groove is thus established on the periphery of the assembly forming a control shaft 40, which contour is traversed by the lug 22 of a movable blade 20 during its driving in rotation about the longitudinal axis of the shaft 7.
  • the profile of a groove of the control shaft 40 determines the amplitude and the direction of the longitudinal translation movement of a movable blade 20 when it is rotated about the longitudinal axis of the shaft 7.
  • the groove 30a located in the lower part of the shaft 7, as shown in FIG. figure 5 corresponds to the maximum opening moment of the pulling pliers, the movable blade 20 being pushed away from an adjacent support blade 21.
  • the groove 35a located on the movable cam 34 has the role of closing a tear-off pliers.
  • the groove 35a has at its lower part a bent zone 36 with a fairly high inclination, which zone corresponds to the moment of approach of the movable and support blades 21 making it possible to obtain a rapid closure of the gripper.
  • the profile of the groove 35a in the upper part of the bent zone 36 corresponds to the holding of a tear-off pliers in the closed position during the tangential tearing of the bristles by the rotation of the rotating roller 1.
  • the groove 30a located in part upper part of the shaft 7, as shown in figure 4 corresponds to the moment when the pliers start to open again to release the torn hairs.
  • the profile of the groove 30a between the upper part of the beginning of opening of the clamps and the lower part of the maximum opening of the clamps has a slight inclination to obtain a progressive opening of the clamps with favorable effects on the reduction of the noise at the opening of the tongs.
  • any other opening cam profile can be envisaged, for example a profile which ensures an opening of the clamps at a preset time of rotation of the roller thus allowing the removal of the hairs at a specific location, for example the further away from the inside of the device to prevent it from becoming dirty.
  • the grooves 35a, 35b, 35c of the movable cam 34 located in the left part of the central wall 33 converge towards the grooves 35a, 35b ', 35c' of the movable cam 34 'located in the right part of the central wall 33, their zones elbows 36 and 36 'being oriented in the opposite direction, which has the effect of printing translational movements in the opposite direction to two movable blades 20 having their lugs 22 engaged one on a groove of the cam 34 and the other on a groove of the cam 34 'when closing the tear-off pliers.
  • the grooves opening the tear-off pliers 30a, 30b, 30c are divergent with respect to the grooves 30a ', 30b', 30c '.
  • the movable cams 34,34 ' having the role of closing the tweezers, they are mounted on the shaft 7 so as to face the epilation window to ensure closure of the gripping tongs during their passage in front of the hair removal window.
  • the lugs 22 of the two movable blades of the same removal module 2 are engaged in two parallel grooves 30a and 30a ', on the same generator of the control shaft assembly 40.
  • a tear-off module better visible Figures 6 and 7 comprises four movable blades 20 and four supporting blades 21, the movable blades 20 alternating with the bearing blades 21 being aligned along the longitudinal axis of the rotary roller 1; a bar 24 completes the assembly forming tear module 2.
  • tear module 2 thus has four tearing pliers.
  • two movable blades 20 are connected at their base by a spacer 43 and form, with the lug 22, a moving monoblock piece 44.
  • the spacer 43 has an L shape, the base 45 being wider than the arm 46, a movable blade 20 is located in the extension of the base 45 and another in the extension of the arm 46.
  • the side walls 47 of the spacer 43 are provided to fit and slide on the rails 14 and 15 a sector 9 of the cage 10 ( fig.3 ).
  • Two notches 48 are provided in the side walls 47 at the base 45 of the spacer 43.
  • Such a moving monobloc piece is made of a metal sheet, for example stainless steel, by successive cutting operations and folding.
  • a lug 22 is fixed on the lower part of the base 45 and completes the moving monobloc assembly 44.
  • Such lug is preferably metallic and can be fixed by riveting on the base 45 of the spacer 43.
  • Two bearing blades 21 are also connected at their base by two spacers 50 and form a single piece of support 51.
  • Each spacer 50 has a projecting fin 52 which is intended to fit into a notch 48 of the spacer 43 the movable monobloc piece 44 supporting it.
  • the notch 48 has longitudinal dimensions (in the direction of the longitudinal axis of the tear module 2) greater than those of the fin 52, which allows a certain displacement in translation of the one-piece support piece 51 by relative to the moving monobloc piece 44 ensuring adequate clamping on all the clamps of a same module.
  • Such a moving piece piece is made from a metal sheet, for example stainless steel, by successive cutting and folding operations.
  • a tear-off module 2 begins with the assembly of a moving monobloc piece 44 with a one-piece support piece 51, the fins 52 of the spacer 50 of the latter being positioned for this purpose to the inside the notches 48 of the spacer 43 of the moving monobloc piece 44.
  • Two subassemblies of the one-piece pieces thus formed are then mounted on one of the sectors 9 of the cage 10, the pin 22 of each moving monoblock piece 44 being inserted in a corresponding groove 30, 30 'or 35, 35' of the control shaft 40 disposed inside the cage 10.
  • two pulling modules 2 are arranged at 180 ° relative to each other in the same cam groove, so that the movements of their clamps are angularly offset when the rotation of the roll, for example one has the clamps closed while the clamps of the other are open. This makes it possible to control two pull modules at a time with the same cam groove.
  • the moving monobloc parts 44 of a same tear module 2 each comprise a lug 22 at their base.
  • the lug 22 of a moving monobloc piece 44 located on the left ( fig.6 and 7 ) is positioned at a different distance from a movable end blade 20 relative to the lug 22 of a movable monoblock piece 44 located on the right in the same lifting module 2.
  • the left-hand lug 22 is fixed to the base 45 at a left-end distance (measured from the left-hand module-end plate) which is less than the opposite end distance (measured from the blade 20 at the right end of the same module).
  • the figure 9 illustrates a developed top view of the six pulling modules 2.1 to 2.6 of the tweezers in the maximum open position of their clamps (the bar 24 is removed in this view for clarity).
  • This view makes it possible to better notice the coverage of the epilation window by the angularly offset clips.
  • the clips of the module 2.1 open first when the lugs of their movable blades arrive first in the area of the cam grooves 30a and 30a 'which controls their opening. They are followed by the clamps of the module 2.2, when the lugs of their movable blades arrive in the zones 30b and 30b 'of the cam grooves, and so on until the opening of the clamps of the module 2.6 whose lugs are inserted.
  • the six tear modules 2 are thus mounted in groups of two (diametrically opposite) on the six sectors 9 of the cage 10, in accordance with the grooves of the control shaft 40.
  • the six tear modules 2 are thus mounted in groups of two (diametrically opposite) on the six sectors 9 of the cage 10, in accordance with the grooves of the control shaft 40.
  • the assembly of the rotary roller 1 can be achieved by placing each subassembly of one-piece pieces inside a bar 24, then mounting this assembly on one of the sectors 9 of the cage 10, operation being repeated for all sectors 9 of the cage 10.
  • the movable blades 20 and the bearing blades 21 are curved in opposite directions relative to each other.
  • the two support blades 21 of a single piece of support 51 are bent outwardly towards the adjacent movable blades 20.
  • the two movable blades 20 of a movable monobloc piece 44 are bent one outward and the other inwardly, a movable blade 20 thus being inclined towards the support blade 21 with which she comes in contact with.
  • a tear-off pliers formed of two adjacent blades: movable 20 and support 21 has an inverted V shape, with an apex angle of between 2 ° and 15 °, which allows the implementation of a flexural elasticity of the edges or pinch ends of the blades during their contact.
  • the curvature of each blade can be evenly distributed over the entire height of the blade (starting from the spacer which connects two blades together), or it can be concentrated in a fold at the junction base with the spacer, a second fold can where appropriate be provided towards the nip end of the blade, without excluding any combination of these bends.
  • the figure 8 represents the development of the six tear-off modules 2 that make up the rotary roller 1, the tear-off modules 2 being arranged on the periphery of the rotary roller 1 so that the pulling tongs of a pulling module are angularly offset (or in the direction of the longitudinal axis of the module on the developed) relative to the tear-off pliers of the next module. More particularly, the movable blades 20 and bearing 21 of a module 2.2 are at a different longitudinal distance from that of the movable blades 20 and support 21 of the following module 2.3, the blades of the different modules being spread in the same not.
  • the rotary roller 1 has six tear-off modules which are therefore angularly offset by 60 ° relative to each other, as visible on the right side of the figure 8 .
  • the first module 2.1 shown in the 0 ° position is in the maximum open position; the next module 2.2 is him in pinch position where the blades were quickly closed by the control means; the modules 2.3 and 2.4 have the clamps also closed to perform the tearing of the hairs gripped by the blades; the modules 2.5 and 2.6 have them open forceps in order to evacuate the torn hairs.
  • the electric motor rotates the toothed gears of the toothed rings of the flanges 4,5 driving the pulling modules 2 around the control shaft 40.
  • the movable blades 20 then perform a translation movement along the longitudinal axis of the rotating roller 1, sliding in the rails 14,15 sectors 9 of the cage 10, they deviate or approach the adjacent support blades 21 according to the position of the lug 22 of each movable blade 20 in one of the grooves 30,30 'of the shaft 7 or in one of the grooves 35,35 'of the movable cams 34,34'.
  • the lugs 22 paces the grooves 35,35 'of the closing cams 34,34' against the force exerted by the springs 37,37 'on the movable cam 34 and push the blades movable 20 to the adjacent support blades 21, the closing of a clamp is also realized against the force due to the elasticity of the movable blades 20 and supports 21 in contact.
  • the springs 37,37 'of the movable cams 34,34' and the elasticity of the blades 20,21 are calculated so that a constant force is exerted on the bristles at the time of closure of the clamps.
  • the bristles gripped by the tongs are then torn off during rotation of the roll and discharged outside the apparatus.
  • the rotary roller 1 may comprise a more or less large number of tear modules 2, the number of modules increasing with the diameter of the rotary roller.
  • a rotating roll 1 having a diameter of about 19 mm can accommodate six pull-out modules, while for a diameter of about 23 mm, eight can be provided.
  • the grooves of the cams are greased in order to reduce the friction of the lugs on the walls of the latter.
  • a rotary roller comprising a one-piece shaft, without having a moving cam, and fixedly mounted relative to the housing.
  • This one-piece shaft would then be provided with grooves along its entire circumference, the movable blades then being mounted normally closed against the return springs with respect to one another, the spring of the cams then being able to compensate the wear of the flanks of the grooves of the cams.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Surgical Instruments (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Dry Shavers And Clippers (AREA)
  • Scissors And Nippers (AREA)
  • Brushes (AREA)
  • Harvester Elements (AREA)
  • Hair Curling (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP04786269A 2003-08-08 2004-08-06 Appareil a epiler a pinces d'arrachage Expired - Lifetime EP1651077B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0309758A FR2858528B1 (fr) 2003-08-08 2003-08-08 Appareil a epiler a pinces d'arrachage
PCT/FR2004/002096 WO2005016059A1 (fr) 2003-08-08 2004-08-06 Appareil a epiler a pinces d’arrachage

Publications (2)

Publication Number Publication Date
EP1651077A1 EP1651077A1 (fr) 2006-05-03
EP1651077B1 true EP1651077B1 (fr) 2008-05-28

Family

ID=34073090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04786269A Expired - Lifetime EP1651077B1 (fr) 2003-08-08 2004-08-06 Appareil a epiler a pinces d'arrachage

Country Status (9)

Country Link
EP (1) EP1651077B1 (pt)
CN (1) CN100462024C (pt)
AT (1) ATE396630T1 (pt)
BR (1) BRPI0406521B1 (pt)
DE (1) DE602004014155D1 (pt)
ES (1) ES2308258T3 (pt)
FR (1) FR2858528B1 (pt)
RU (1) RU2345690C2 (pt)
WO (1) WO2005016059A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2877191B1 (fr) 2004-10-28 2007-01-05 Seb Sa Appareil a epiler comportant un dispositif de traitement
US20090076523A1 (en) * 2006-03-07 2009-03-19 Yuanlin Qiu depilator
CN201073067Y (zh) * 2007-03-21 2008-06-18 燕建斌 浮动夹片式电动拔毛器
FR2923685B1 (fr) * 2007-11-16 2010-02-26 Seb Sa Tete d'epilation pour un appareil a epiler a pinces d'arrachage
PL2245955T3 (pl) * 2009-04-27 2013-02-28 Braun Gmbh Hybrydowy depilator
CN102222149B (zh) * 2011-07-04 2012-11-07 南京航空航天大学 基于数模重构的整体涡轮叶片加工误差补偿方法
CN102342651B (zh) * 2011-11-11 2013-07-03 超人集团有限公司 电动拔毛装置
CN103186163A (zh) * 2011-12-27 2013-07-03 广明光电股份有限公司 力回馈装置
FR2996427B1 (fr) * 2012-10-05 2016-01-08 Seb Sa Epilateur isostatique a pinces en translation
FR3091156B1 (fr) * 2018-12-27 2020-12-04 Seb Sa Tête d’épilation pour appareil à épiler présentant une seule rangée de pinces
CN111920617B (zh) * 2020-08-20 2021-06-25 河南省洛阳正骨医院（河南省骨科医院） 一种腿部骨折时护理用的臀部防压疮装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2992356B2 (ja) * 1990-05-28 1999-12-20 松下電工株式会社 脱毛装置
FR2663519B1 (fr) * 1990-06-20 1992-10-09 Cabrero Gilles Appareil a epiler.
TR199900236T2 (xx) * 1996-08-06 1999-04-21 Braun Aktiengesellschaft Epilasyon aleti i�in d�ner silindir.
FR2758060B1 (fr) 1997-01-06 1999-03-05 Seb Sa Appareil a epiler a rouleau rotatif
TW443921B (en) * 1998-04-15 2001-07-01 Matsushita Electric Works Ltd Depilator
JP3925071B2 (ja) * 2000-10-26 2007-06-06 松下電工株式会社 脱毛装置

Also Published As

Publication number Publication date
EP1651077A1 (fr) 2006-05-03
BRPI0406521B1 (pt) 2014-06-17
FR2858528A1 (fr) 2005-02-11
CN1722965A (zh) 2006-01-18
FR2858528B1 (fr) 2005-09-09
WO2005016059A1 (fr) 2005-02-24
ES2308258T3 (es) 2008-12-01
ATE396630T1 (de) 2008-06-15
BRPI0406521A (pt) 2005-12-13
RU2345690C2 (ru) 2009-02-10
CN100462024C (zh) 2009-02-18
DE602004014155D1 (de) 2008-07-10
RU2005120726A (ru) 2006-02-20

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