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 the field of devices intended to be held in the hand and moved over the skin for cosmetic purposes, in particular an appliance for removing unwanted, unwanted hair from the human body.
• the invention relates to a specific assembly, for the sake of ergonomics, of the active part of the device with respect to the gripping part of the body of the device.
• the active part of such a type of depilatory appliance comprises pliers in the form of blades or discs arranged on a rotary roller, the pliers being brought to close and open periodically so as to tighten the hairs close to the skin to pluck them by the rotation of the roller and, respectively, to evacuate the plucked hairs.
• the active part or epilation head is mounted in the extension of the housing forming gripping means, its axis of rotation being mounted in a fixed frame relative to the housing.
• Document WO 00/76359 describes a hair-removing appliance comprising a hair-removing head of the type previously described, but which is mounted in an angular-shaped housing, in a head part which forms a right angle with the handle.
• This solution is better suited for depilation of hollow areas, the epilation head protruding from the handle, but the handle must be tilted more or less by making contortions with your hand to follow the relief of the skin. , which impinges on the effectiveness of hair removal which is optimal in a predetermined position.
• the document EP 0 622 033 describes an epilating appliance comprising a depilation head with pliers driven in an oscillatory movement around an axis fixedly mounted in a head portion of the housing mounted inclined relative to the gripping portion of the same housing. .
• a frame surrounding the upper part of the epilating head is pivotally mounted around pivot points located in the head portion of the housing. In operation, when the device moves on the skin, only this pivoting frame follows the contour of the skin and adapts to the relief of the latter.
• a depilatory appliance provided with an active part comprising either two depilatory heads or a single rear depilatory head in combination with a tensor roller or front brushes, this active part being pivotally mounted in the extension of the housing.
• the pivoting mounting of the active part ensures good contact with the area of skin to be depilated
• the handle of the device does not have a stable position. Indeed, it can already rotate on a horizontal surface, for example following a traction applied to the handle by interfering with the advancement of the device on the skin.
• the arrangement of the active part in the extension of the housing does not provide the required comfort of use, in particular for hollow areas.
• the object of the present invention is to remedy at least in part the aforementioned drawbacks and to propose a depilatory device comprising an active part capable of coming into contact with the zone to be depilated, without this contact being affected by the inclination, the profile or dimensions of said zone, while allowing optimal effectiveness of epilation, ergonomics in use, and good visibility of the zone to be epilated.
• Another object of the invention is a depilatory device making it possible to be applied to the skin in an ideal position meeting criteria of efficiency and comfort in use, as well as to be moved in a uniform manner, without blows to the skin, while allowing it to adapt, around said position, to the area to be depilated.
• a further object of the present invention is a hair removal device of simple and reliable construction and which can be mass produced, at a lower manufacturing cost.
• a hair removal device comprising a housing having a grip part in a longitudinal direction of the housing and a hair removal head comprising at least one pliers and being mounted in a head part of the housing connected to said part. gripping so as to be made to rotate about a pivot axis, in that said head part extends in an oblique direction relative to said longitudinal direction and that it is able to pivot elastically within predetermined limits around this oblique direction of rest.
• the gripping part is arranged obliquely to the head part of the same housing, the housing thus being able to have a generally angled shape.
• the head portion can pivot relative to the gripping portion about a pivot point belonging to the gripping portion.
• the angle formed between the two parts of the housing, relative to a predetermined stable position corresponds to an ergonomic grip ensuring good comfort of use during hair removal.
• the stable or rest position or direction is defined as the ideal position which meets the criteria of optimum efficiency and ergonomics, and which at the same time offers good visibility of the area to be depilated.
• the movement of the head part around said stable position ensures good positioning of the depilatory head relative to the skin, and this regardless of the momentary variation in inclination of the gripping part relative to the skin. This is done in an elastic manner, which ensures a return to the rest position and offers optimal and therefore constant efficiency, without taking into account the relief of the area of skin on which the device moves.
• the front face of the epilating head or of its support is able to follow the contour of the skin well flat, and then the point of closure of the blades is always in the same position relative to the skin, regardless of the random tilt of the handle of the device.
• the epilating head can grasp the hair as close as possible to its base, which results in less pain when pulling out and increased efficiency, all the hairs being grabbed and pulled out, even the shortest ones or those which are lying on the skin.
• the person using such a device can alleviate a situation of raised or hollow skin area for which it is desired to guarantee a constant orientation of the hand, the head part being the only one to follow the contour of the skin, or , conversely, to a situation in which the person is not very skilled and does not know how to effectively position the device relative to a flat surface of the skin, or, finally, to a situation in which the surface is inclined and the inclination of the handle must vary to follow the contour of the skin and ensure the ergonomics and efficiency required. In all these situations, the person using the device has good visibility of the area to be epilated.
• the epilating head is mounted on a support which is guided in pivoting around said axis by a return spring.
• Such a spring first provides a function of returning to the stable position of the head portion to be depilated during its pivoting on either side of this position.
• the same spring is advantageously provided to compensate for the torque in the handle, torque caused by the friction of the head part in contact with the skin.
• the friction force can cause a constant resistive torque in the handle, for example when moving evenly over an area of damp or tight skin. Moving the device over dry or distended skin, prone to the formation of beads, can, moreover, cause shocks felt discontinuously in the handle.
• the presence of the return spring around the pivot joint ensures compensation of this resistant torque with damping in the handle, which allows a uniform, regular and smooth movement of the device on the skin, while providing comfort in gripping.
• the housing of the epilating device of the invention has an angled shape and the pivot axis is located in the angle of the elbow of said housing.
• the angle of the elbow is the point of intersection of the two directions around which an angled housing is built. More particularly, the point of deflection is at the intersection between the longitudinal direction, parallel to the handle of the housing, and the direction in which the head portion to be depilated extends.
• the handle part mainly comprises the electric motor driving the epilating head and a part of the transmission system, while the epilating head part mainly comprises the epilating head and, optionally, part of the transmission system.
• the height of the point of intersection, measured relative to the skin is determined according to the dimensions of the two parts of the housing. It is noted that the more the point of deflection is offset relative to the plane of the skin, the more important is the displacement of the head to be depilated on the skin for the same pivoting angle of the head part around said point of deflection. In other words, the displacement in an arc of a circle of the front face of the active part against the skin is more and more equivalent to a tangential translation from front to back according to the jolts imparted to the handle.
• the front face of the active part of the depilatory head always remains flat against the skin. This maintains good comfort in use, the ideal position for comfort being the pre-established stable or rest position of the epilating head.
• the height of the point of intersection may be greater than the distance between the plane of the skin and the axis of rotation of the depilatory head, for a head of the rotary roller type with tweezers, or even greater than the diameter of this rotary roller.
• said pivot axis is an axis of rotation belonging to the gear train which connects the epilation head to an electric motor contained in the housing.
• the epilating head part is pivotally mounted around an axis of rotation which is internal to the appliance, which simplifies the construction of the appliance and makes it more compact and therefore more manageable, especially for hair removal.
• hollow areas known to be difficult to access.
• the electric motor and at least part of the gear train can be contained in the gripping part of the housing, which makes it possible to balance the distribution of the weight of the whole apparatus between the head part and the part gripping the housing.
• the epilating device of the invention comprises a guide frame integral with the epilation head, said frame determining with the periphery of the epilating head a frontal plane of passage of the skin.
• Said guide frame can be arranged on at least one side of the depilatory head or on the periphery of the latter and it guides the device in its movement on the skin.
• this frame comprises two parallel pads located on either side of the depilatory head, arranged parallel to each other and parallel to the direction of movement of the depilatory head relative to the skin. These pads are integral with the depilatory head and define the frontal plane of passage of the skin. For this they rest on the skin and ensure the correct positioning of the epilating head relative to the latter.
• pads are useful for positioning the device on the skin, one can easily imagine a variant without pads or guide frame around the head, positioning on the skin by applying the upper front part of the housing and / or the head to be depilated on the skin.
• a front part of the housing can be constituted by two shoulders located on either side of the depilatory head, as seen in the direction of the longitudinal axis of the head.
• the axis of symmetry of the depilatory head is contained in a plane normal to the skin containing said pivot axis.
• the angle between the longitudinal direction and the direction of the head portion is less than or equal to 60 °, preferably between 50 ° and 40 °.
• the apparatus of the invention comprises a gripping part inclined according to the indicated values which gives good ergonomics in use, while ensuring good efficiency by the pivoting of the epilating head.
• said head part is made to pivot from 10 ° to 15 °, on both sides, relative to said stable position.
• Such a clearance relative to a median position ensures good pivoting allowing the epilating head to adapt to any profile of the epilating zone, while facilitating gripping without penalizing the efficiency of the uprooting. Stops are provided to prevent pivoting outside of these preset limits.
• the epilating device of the invention comprises a device for treating the skin arranged next to the epilating head, preferably behind this as seen in the direction of movement of the device on the skin.
• Such a skin treatment device can be an exfoliation device, a massage device or a pain relief device.
• This device could be arranged next to the epilating head, for example in front of it, but it is however preferable to arrange it behind it, as seen in the direction of movement of the device on the skin, in order to maintain good visibility of the area to be epilated.
• the pivoting around the stable position of the epilating head makes it possible to position the epilating head first on the skin and then the additional treatment device, both being carried by the guide frame of the head. This allows the head and the additional device to be positioned correctly, allowing them to follow the contour of the skin well.
• FIG. 1 shows an axial sectional view of the hair removal device of the invention applied to the skin;
• FIG. 2 shows a perspective view of the apparatus of the invention, the housing being removed.
• Figures 1 and 2 show a hair removal device according to the invention comprising a housing 1 of angular shape comprising a gripping part 2 and a head part 3, arranged at a certain angle to the previous one, part which supports the head to depilate 20.
• the change in curvature between the longitudinal direction L of the gripping part 2 and the so-called oblique longitudinal direction O of the head part 3 takes place at the point of deflection C.
• the epilating head 20 is of the type described in document FR 2 758 060 in the name of the applicant. However, it is obvious that this device is only an example of use, since any epilating head can be used instead, in particular in the form of a rotary or oscillating roller with pliers.
• a depilatory head 20 is in the form of a roller mounted to rotate about an axis 21. Said roller comprises several pairs of pinching blades arranged side by side along its longitudinal axis 21. The pinching blades are actuated by a mechanism cam, the rotary roller and the cam mechanism receiving the drive of an electric motor 4, via a gear train 16.
• the cams arranged on either side of said roller drive in a translational movement the gripping blades.
• a movable blade is likely to move away from an adjacent blade and, alternatively, to apply against it.
• the actuation in translation of the movable blade causes the closure, respectively the opening of the tweezers, in order to tighten the hairs, to pluck them, and to release them after plucking, this as the rotation of said roller.
• the bristles of the epilating zone appearing in front of the passage zone of the epilating head 20 are torn off following the rotation of the latter.
• the gripping part 2 contains an electric motor 4, for driving the epilating head 20, as well as a frame 5.
• the frame 5 forms a support for a pivot axis 8, this axis being mounted fixed in bearings provided for this purpose in the body of the frame 5.
• the pivot axis 8 constitutes an axis of rotation of the gear train of the epilating appliance, because around this axis rotates a bevel gear 17 of 90 ° return gear which receives the movement of the pinion 18 of the output of the electric motor 4.
• the bevel gear 17 transmits the movement to a train of gears 16 which drives in rotation a toothed wheel 14 which, in turn, sets in motion the epilating head 20.
• the head part 3 of the housing 1 is mounted to rotate freely about the pivot axis 8, this axis passing through the point of deflection C.
• the head part 3 is fixed to the depilatory head support 10, which support is mounted pivotally articulated about the pivot axis 8, the head support 10 comprising for this purpose fixing flanges 11.
• the head part 3 is inclined rise relative to the gripping part 2 of the housing 1, its longitudinal direction called oblique O making, in its stable or rest position, an angle ⁇ with the longitudinal direction L of the gripping part 2 of the housing 1.
• the angle ⁇ is 40 °.
• the head part 3 is held in its stable position by a return spring 7.
• the distance between point C and the plane of the skin can be between 30 and 45 mm.
• the return spring 7 is preferably a U-shaped spring, it is fixed by its base 6 to the frame 5, while its arms 9 extend on either side of the pivoting articulation of the support 10, the arms 9 in particular surround the flange 11.
• the spring 7 brings the head part 3 back to its stable position, a position which corresponds to the undeformed state of the spring 7, and at the same time it absorbs the shocks in the gripping part 2 due to the resistant friction couple created in the latter when moving the hair removal device on the skin.
• the damping is a function of the calibration of the spring 7.
• the stiffness constant of the spring 7 is less than 80 N / radian.
• the head part 3 is made to pivot around its stable position in a range represented by the angle ⁇ in FIG. 1.
• the angle ⁇ is included, preferably between 10 ° and 15 ° around the stable position.
• Two stops are provided in the frame 5 to restrict the movement of the head part 3 to the prescribed limits.
• the support 10 maintains the epilating head 20 and the gear train 16.
• the epilating head 20 is fixed by its cradle 12 to the support 10.
• the support 10 carries, in rotation bearings, the axes of the gears of the gear train 16.
• the axis of rotation of the epilation head 20 and the axes of the gears of the gear train 16 are parallel to the pivot axis 8.
• On the cradle 12 are fixed two arches 24, located at the ends of the epilating head 20.
• the arches 24 form a support for two pads 23 which delimit the active zone provided with tweezers of the epilating head 20.
• pads are provided to be applied flat on the skin at the same time as the depilatory head and they define, with the periphery of the latter, a frontal plane of passage of the skin.
• the epilating head 20 is mounted relative to the frontal application plane defined by the pads 23 so that the tweezers which it comprises close just when passing through the plane formed by the pads 23.
• the epilating head is in an optimal pre-established position relative to the plane of the skin, the pliers being able to grip the hair at its base.
• the depilatory appliance In operation, once the depilatory appliance is started, it is applied to the skin by first bringing the front part 28 of the pads 23 into contact with the skin. The pads 23 make contact with the skin area over their entire length, which allows the depilatory head 20 to be positioned relative to the area to be depilated. The device is then moved on the skin in the direction of the arrow D, as shown in FIG. 1.
• the head part 3 of the housing pivots around the pivot axis 8, which means that the gripping part 2 changes inclination, the pads 23 always remaining flat in contact with the skin. This ensures constant positioning for a predefined optimum efficiency of the depilatory head with respect to the skin, without taking account of the inclination of the gripping part 2.
• the gripping part 2 is caused to pivot by a predefined angle around from its stable position, which also ensures good comfort in use. If, during movement, the appliance, more particularly the head portion of the hair removal, encounters an obstacle or rubs on the skin, the resistant torque transmitted to the gripping part 2 is absorbed by the spring 7.
• the epilating device comprises a skin treatment device 25 arranged behind the epilating head 20.
• the skin treatment device 25 is fixed to the epilating head support 10 by means of a spacer 26 and it receives the drive movement of the electric motor 4 via a specific actuation mechanism, not shown in FIGS.
• Such a skin treatment device can be a massage or exfoliation device driven in a translational movement parallel to the axis of rotation 21.
• Another type of skin treatment device 25 can be a pain relief device comprising , for example rotationally driven massage fingers which describe a friction massage in the plane of the skin.
• the head part contains the depilatory head, the gear train and the electric drive motor, the gripping part then being able to contain a power source, such as batteries or an accumulator. .

Landscapes

• Surgical Instruments (AREA)
• Massaging Devices (AREA)
• Brushes (AREA)
• Professional, Industrial, Or Sporting Protective Garments (AREA)
• Removal Of Floating Material (AREA)
• Dry Shavers And Clippers (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=8862041

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (6)

Citations (5)

• 2001
  • 2001-04-06 FR FR0104718A patent/FR2823080B1/fr not_active Expired - Fee Related
• 2002
  • 2002-04-02 AT AT02722391T patent/ATE396629T1/de active
  • 2002-04-02 ES ES02722391T patent/ES2306762T3/es not_active Expired - Lifetime
  • 2002-04-02 WO PCT/FR2002/001144 patent/WO2002080730A1/fr active IP Right Grant
  • 2002-04-02 RU RU2003132475/12A patent/RU2325828C2/ru not_active IP Right Cessation
  • 2002-04-02 EP EP02722391A patent/EP1372428B1/fr not_active Expired - Lifetime
  • 2002-04-02 DE DE60226848T patent/DE60226848D1/de not_active Expired - Lifetime

Patent Citations (5)

Non-Patent Citations (3)

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