EP3375320B1 - Dispositif et procédé d'épilation - Google Patents

Dispositif et procédé d'épilation Download PDF

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Publication number
EP3375320B1
EP3375320B1 EP18162220.0A EP18162220A EP3375320B1 EP 3375320 B1 EP3375320 B1 EP 3375320B1 EP 18162220 A EP18162220 A EP 18162220A EP 3375320 B1 EP3375320 B1 EP 3375320B1
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EP
European Patent Office
Prior art keywords
disc
axle
axis
pincers
discs
Prior art date
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Application number
EP18162220.0A
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German (de)
English (en)
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EP3375320A1 (fr
Inventor
Poran YEHUDA
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.)
EPILADY 2000 LLC
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EPILADY 2000 LLC
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Publication date
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Publication of EP3375320A1 publication Critical patent/EP3375320A1/fr
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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
    • A45D26/0023—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements
    • 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
    • A45D26/0033—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements with rollers
    • A45D26/0038—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements with rollers power-driven
    • 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
    • A45D2026/008—Details of apparatus for removing superfluous hair

Definitions

  • the invention is directed to an epilating head for an epilating device especially to an epilating head comprising a group of pincer assemblies.
  • Depilating devices use one of two methods for removing hair. In one method, the hair is cut, leaving the roots intact beneath the skin surface. In the other method, hair is removed by pulling it out from its roots.
  • Disc mechanisms are often used. In general, these mechanisms include discs and associated pincer-like elements. When two pincer-like elements are brought close together, hair is trapped between them. The discs, which rotate and produce a torque, then uproot the hair trapped between their associated pincers. The pincer-like elements and their associated discs move in unison and all pincer-like elements within a fixed distance move close to their adjacent pincer-like elements synchronously. The forces required in such mechanisms are multiples of the number of pincers. In some of these depilatory devices, the disc mechanisms have cylindrical shapes. Other depilating devices which use disc mechanisms employ a large spring with bearings connected to its ends.
  • the magnitude of the force is the same throughout the entire mechanism.
  • the forces required in such mechanisms are relatively small and the energy required is not great.
  • a depilatory device using a disc mechanism is subject to several constraints.
  • the pincer-like elements associated with each disc must close quickly.
  • the pressure exerted by each contacting pair of pincers must be neither too great nor too little. In the former case, the hair would be cut, while in the latter case, the hair would slide through without being pulled out at its roots.
  • all the pincers associated with a row of discs must contact their adjacent pincers simultaneously.
  • the contacting mechanism must be simple, operate reliably over time, and be easy to maintain.
  • an epilator comprising a head for trapping hair for removal.
  • the head comprises a rotating body that has as an axis of rotation and is adapted to be rotated by a motor.
  • At least one pair of pincers is arranged at or in the rotating body.
  • the pair of pincers is able to rotate in accordance with the rotation of the rotating body.
  • At least their outermost ends are adapted to move towards each other and away from each other depending on the location of the rotating body.
  • at least one intermediate member is provided which is arranged such that it is at least linearly moveable between the outermost ends of the pincers.
  • the pair of pincers only extends on one side of the axis of rotation.
  • One spring is located between the pair of pincers and is arranged to bias the pincers either away from each other or towards each other.
  • At least one actuator is provided for the pair of pincers which can be supported to move along or parallel to the axis of rotation and engages a first pincer adjacent an end thereof being distal to the axis of rotation and a second pincer at or adjacent an end thereof being proximal to the axis of rotation.
  • the epilating device includes a single housing that is shaped to be grasped by the hand of a user and which includes a drive source.
  • the housing can carry a first epilation module provided at its top with a first plucking head that is driven by the drive source to effect the plucking of the body hairs.
  • the first plucking head has a length defining there along a first epilation zone.
  • a second epilation module to be carried on the housing that is provided at its top with a second plucking head that is driven commonly by the drive source to effect plucking of the body hairs.
  • the second plucking head has a length defining there along a second epilation zone.
  • EP 1 405 701 B1 relates to a linkage mechanism for a hair removal appliance, such as a powered or dry shaver or epilator, having a head rockably mounted on a body, and to such hair depilation apparatus.
  • a hair removal appliance such as a powered or dry shaver or epilator
  • the device and method realizes a rocking about a virtual pivot axis.
  • WO 2005/063076 is directed to a depilator assembly for trapping hair for removal.
  • the assembly includes a symmetric disc formed of two lobes and two pincers. At least two pressure-transferring protrusions and at least one rotation transferring protrusion are formed and positioned on a first face of said disc. Further rat least two pressure-transferring protrusions and at least two spacer elements are formed and positioned on a second face of said disc. The spacer elements being operative to prevent the accumulation of debris between adjacent discs and to allow for periodic tilting of the discs when pressure is provided to the depilator assembly.
  • the second face of the disc further has formed therein at least one recess configured to accommodate said at least one rotation-transferring protrusions of a similar disc of an adjacent depilator assembly in force transferring engagement, such that, in response to a rotational force applied to said assembly at least one rotation-transferring protrusion is operative to transfer rotation to said adjacent assembly.
  • WO 2015/121851 relates to an epilator comprising a pair of corresponding and separable epilator heads for trapping hair for removal.
  • Each head has an exposed portion for allowing at least one or more parts of each head to get in touch with a user's skin.
  • Each head has a rotating body having an axis of rotation and being adapted to be rotated by a driving unit, wherein the rotating body is adapted to trap the hair for removal at the exposed portion, and wherein the axis of the rotating body is essentially concave relative to the exposed portion of each head.
  • the present invention is directed to an epilating head according to claim 1, a pincer assembly according to claim 14 and a method according to claim 15.
  • the present invention is directed to an epilating head for an epilating device. It can comprise the following features or any subgroup thereof.
  • the first disc can be configured to be rotatable around an axle of rotation or around an axis of rotation.
  • the axle does not rotate and the disc can rotate around the axle or can be arranged on an element rotating together with the disc around the axle.
  • the axle In the second case the axle can rotate itself.
  • it is not curved, it could be made of segments or an elastic material in order to allow it to rotate.
  • the disc can be arranged directly on the axle and rotate with axle.
  • the pincers can rotate around the axle of rotation.
  • the pincers can be arranged at least a counter element or a second disc with at least two counterparts or second disc pincers.
  • the counter element or second disc can be configured to be rotatable around the axle or the axis, as described before.
  • counter element or disc is not limited to a flat piece of material but can have a considerable thickness. Moreover, it can have any topography and not just two planes with protrusions, e.g. the protrusions being cold drawn or formed in a body.
  • the first and the counter element or second discs can be configured so that a first pair is composed of one of the first disc pincers and of one of the counterparts or second disc pincer to form a first tweezer.
  • a first pair is composed of one of the first disc pincers and of one of the counterparts or second disc pincer to form a first tweezer.
  • neighboring pincers of different discs can form a tweezer.
  • a second pair composed of one of the first disc pincers and one of the further counterparts or second disc pincer can form a second tweezer.
  • the pincers formed at the discs can be provided in any way, either by providing a flat material, punch it and then deform the parts thereof into different directions or planes.
  • the first and second tweezers can each be brought in an open condition over at least a first section of rotation around the axle or axis.
  • the first and second tweezers each can be in a closed condition over a second section of rotation around the axle or axis.
  • the opening of the tweezers is intended to happen when hair of a user is either brought into the tweezers or released from the tweezers once the hairs are plugged out.
  • the closing is intended to primarily take place during the gripping of hair and the remaining in the closed position is intended to primarily take place when plugging or epilating/depilating of hair.
  • the first and second tweezers can open and close at different times although they can open at similar or neighboring locations during rotation of the discs.
  • the first tweezer and the second tweezer are at least one of axially offset, their envelopes of rotation are neighboring or their envelopes of rotation are side by side. Thus, they are offset and/or their envelopes of rotation do not coincide but are arranged in an axial neighborhood or side by side. This can ensure that the body or skin of a user will be depilated easier and more effectively as the device will treat a surface of the body or skin more equally and completely.
  • the first disc pincers can be formed by first disc protrusions radially extending at least in part from the first disc.
  • the second disc pincers are formed by second disc protrusions radially extending at least in part from the second disc. Neighboring first disc pincers and/or neighboring second disc pincers can be axially offset to each other. This can ensure that the tweezers formed by the pincers become active not at the same location of the skin but at neighboring locations. Thus the surface of a user's skin is more equally and completely treated over a width of the epilating head without making it necessary for the user to considerably move the device during use.
  • the epilating device can also comprise a third disc with at least two third disc pincers. Also a further disc could be provided. Anyhow, the third disc can be rotatable around the axis or axle of rotation. In this case the first and the third discs can be configured that a third pair composed of one of the first disc pincers and one of the third disc pincers form a third tweezer and a fourth pair composed of one of the first disc pincers and one of the third disc pincers form a fourth tweezer.
  • the third and fourth tweezers can be in an open condition over at least a first section of rotation around the axis or axle.
  • the third and fourth tweezers can each or in groups be in a closed condition over a second section of rotation around the axis or axle.
  • the third tweezer and the fourth tweezer can be at least one of axially offset, their envelopes of rotation are neighboring or their envelopes of rotation are side by side, as already further mentioned before.
  • the first disc can have from 4 to 8 pincers and each of the second disc and the third disc can have from 2 to 4 pincers so that from 4 to 8 tweezers are formed.
  • the first disc can have 6 pincers and each of the second disc and the third disc can have from 3 pincers so that 6 tweezers are formed.
  • the epilating head according to the present invention can comprise 4 to 12 sets of first, second and third discs, preferably 6-10 sets of first, second and third discs, more preferably 8 sets of first, second and third discs. Any other number of sets can also be realized. These numbers of sets of discs can ensure a harmonious and equal treatment of the user's skin by a head.
  • a head drum can be formed by a plurality of hub units each supporting a set of discs rotating around the axis or axle.
  • At least one of the second disc and the third disc can have extensions formed at the pincers extending outwardly in the direction of rotation and adapted to assist in guiding hair into the tweezers, the extensions being inclined between 10-40° with respect to the plane of the pincers, preferably between 25-35°.
  • the axis or axle of rotation is formed concave with respect to a side of use. It can thus better be adapted to the generally skin of a user that is generally convexly shaped.
  • the tweezers can be adapted to be in an open condition over the first section of circumference of rotation around the axis or axle and in a closed condition over the second section of circumference of rotation around the axis or axle.
  • Each of the first disc, the second disc and/or the third disc have an inner opening being adapted to support a coaxial support of the first disc, the second disc and/or the third disc.
  • the opening can be round or can have any shape allowing a positively locking rotation with other elements or the axle.
  • These can be slots, specific shapes of the holes etc. allowing for the engagement of correspondingly shaped elements.
  • At least two hub units each can be adapted to be supported on the axis or axle and to rotate on the axis or axle. Further the hub unit can support the first disc, the second disc and/or the third disc, so that they rotate together with the respective hub unit.
  • Each hub unit can further be configured to bring the tweezers each in an open condition over at least a first section of circumference of rotation and in a closed condition over at least a second section of circumference of rotation around the axis or axle. This can cause a periodic movement, deformation and preferably tilting of one, more than one or all of the discs.
  • the axis or axle can be formed concave with respect to a side of use. At least two sets of hub units can be arranged on the axis or axle. In view of the concave shape of the axis or axle the hub units can each being configured to cause the tweezers in an open condition over at least a first section of circumference of rotation and in a closed condition over at least a second section of circumference of rotation around the axis or axle, preferably in or close to the side of use.
  • a plurality of hub units can be arranged side by side on the axis or axle to form a rotating head drum.
  • the hub units can have pressure-transferring protrusions on the side opposite to the side of the discs transferring pressure to the discs of the neighboring hub unit. This can further assist the tweezers of the neighboring hub unit to be in an open condition over the first section of circumference of rotation around the axis or axle and in a closed condition over the second section of circumference of rotation around the axis or axle.
  • the head drum can further comprise at one end a second hub unit driving the head drum and forming an end section of a head drum with pressure-transferring protrusions transferring pressure onto a set of discs of the neighboring hub unit.
  • a third hub unit can form the opposite end section and comprising a set of discs.
  • At least two pressure-transferring protrusions can be formed and positioned on a side of the hub unit.
  • the first to the third discs can be adapted to be positioned on one side of the hub unit. It can be further adapted for periodic tilting where in a first section of 360° rotational movement, the pressure-transferring protrusions from a similar adjacent pincer assembly are configured to press on at least one of the discs thereby to cause the discs to contact each other at their pincer surfaces trapping hair there between. In a second section, the contact between the pincer surfaces is adapted to be ceased releasing the trapped hair.
  • the axis or axle can be formed as an arcuate axis or axle.
  • the hub unit can comprise at least one rotation-transferring protrusion formed and positioned on one side. Further, at least one recess can be adapted to accommodate a rotation-transferring protrusion of the similar adjacent pincer assembly for transferring rotational momentum or movement and stacking the similar adjacent pincer assembly to the hub unit.
  • the hub unit comprises at least three lower convex surfaces and at least three upper convex surfaces on the side of the hub unit hosting the discs. It can be adapted to elevate the second disc and the third disc from the one side of the hub unit respectively and result in a desired separation of the discs. It can further allow the periodic tilting of the units under the influence of the pressure transferring protrusions.
  • the at least three lower convex surfaces can be three lower convex surfaces which are positioned 120° apart and/or wherein the at least three upper convex surfaces can be three upper convex surfaces which are positioned 120° apart.
  • the upper convex surfaces can be adapted to be inserted through three slots that are comprised in the second disc.
  • the at least two first pincers can be six first pincers which are positioned 60° apart.
  • Three second pincers can be positioned 120° apart.
  • the at least two third pincers can be three third pincers which are positioned 120° apart. This can also ensure a harmonious but nevertheless effective depilation of hair.
  • Six tweezers can be a combination of one of the first pincers and one of the second pincers or a combination of one of the first pincers and one of the third pincers. All of the tweezers are axially offset from each other during the rotation of the pincer assembly around the arcuate axis or axle.
  • a group of pincer assemblies can be mounted on the axis or axle and can be adapted to rotate around the axis or axle.
  • the axis or axle can be an arcuate axis or axle that is configured to be fixed to a head base and a back base.
  • the group of pincer assemblies can be adapted to be situated between a head gear and a backside unit that can be adapted to transfer an applied force to the group of pincer assemblies.
  • the head gear can be further adapted to receive a rotational momentum or movement from an idler gear and transfer it to the group of pincer assemblies.
  • the epilating head can further comprise a spring that is adapted to provide pressure to the group of pincer assemblies. A substantial part of the pressure can be applied to the most curved edge of the group of pincer assemblies.
  • the driving unit can comprise a gear assembly, motor and/or a power source unit.
  • the power source unit can comprise one or more batteries configured to supply the motor with power.
  • the gear assembly can comprise a motor gear receiving a rotational momentum from the motor and/or a face gear transferring the rotational momentum to an idler gear via intermediate gears.
  • the present invention is also directed to a method for operating an epilating head, especially an epilating head according to any of the relevant preceding claims.
  • Fig. 1 depicts an epilating device 1 comprising an epilating head 2 and driving unit 3.
  • the epilating head 2 is adapted to be attached to the driving unit 3 and to receive at least one of rotational movement or torque from it.
  • the driving unit 3 comprises two buttons for detaching the epilating head 2 and a controlling circuitry.
  • the buttons are placed on the narrow sides of the driving unit 3. By pushing both buttons and shifting upwards the epilating head 2, the head can be detached.
  • the controlling circuitry can be used to start, stop, and change a torque or speed of rotation of the driving unit and hence the epilating head 2.
  • the epilating head comprises a substantially curved cylinder, arranged to epilate or tweeze user's hairs.
  • the cylinder is situated on the upper part of the epilating head 2.
  • a plastic cover is used to prevent unwanted user's contact with moving gears covers the left and right sides of the cylinder.
  • the central part of the cylinder is adapted to be open and exposed to a user. This part is a working part arranged to depilate/epilate hairs by contact with user's skin and interaction with the hairs.
  • Fig. 2 depicts an epilating head 2 and a driving unit 3 without their plastic covers, exposing their internal structure.
  • the epilating head 2 comprises a gear assembly, arranged to transfer torque or a rotational movement from a motor 4 to the epilating head 2.
  • One or more batteries 9 can drive the motor 4.
  • the motor 4 meshes with the gear assembly by a motor gear 5, which in turn drive two small gears meshed with a face gear 6.
  • the face gear 6 transfers torque and a rotational movement to an idler gear 7, which in turn meshes with a head gear 8.
  • the head gear 8 is firmly attached to an epilating cylinder, setting it in motion.
  • Fig. 3 depicts a more detailed view of an epilating head 2.
  • An epilating cylinder is driven by a head gear 8, which is meshed with a gear assembly with an idler gear 7 that can be seen in the figure.
  • the head gear 8 is attached to the side of the cylinder, where the head gear 8 and cylinder together are adapted to be fixed on a curved axle (not shown), which is connected to mobile back parts 12.
  • the mobile back parts 12 are arranged to be a part of a head base 10. They are placed on the side edges of the head base 10.
  • the head base 10 comprises one or more, preferably four latches situated on the bottom side of the head base 10.
  • the epilating cylinder is made in the form of a group or set of pincer or tweezer assemblies 13 that are packed and held on a curved axle (not shown).
  • a biasing spring 11, e.g., made of metal, or a frame is adapted to hold the group of the pincer assemblies 13. Instead also a rigid structure to hold the elements in place can be used.
  • a single pincer assembly 13 is depicted. It comprises a hub unit 20, a first disc 21, a second disc 22, and a third disc 23.
  • Each pincer assembly 13 is adapted to have six epilating tweezers, uniformly placed along the circumference of the cylinder but all or some of them having a different position to the axis of rotation.
  • Fig. 4 depicts a more detailed view of one pincer assembly 13 comprising a hub unit 20, the first disc 21, the second disc 22, and the third disc 23.
  • the third disc 23 comprises pincers 23A, 23B, 23C, anvil or a second pincer 23B being placed on a medium or same level regarding the level of a middle section of the third part, a first pincer 23A on a level that is lower in the image shown or displaced to one side of the middle section of the third pincer 23, and a third pincer 23C on a level that is higher in the image shown or displaced to another side of the middle section of the third pincer 23.
  • the second disc 22 is shaped similarly with a second pincer 22B on the same level, a first pincer 22A on a lower level and a third pincer 22C on a higher level than the respective middle section.
  • the respective pincers 23A, 23B, 23C, 22A, 22B, 22C together provide a part of tweezers different in axial displacement to each other.
  • the first disc comprises six anvils or pincers 21A, 21B, 21C, 21D, 21E, 21F, which are displaced or axially offset according to the corresponding pincer of the second or third discs, respectively.
  • the hub unit 20 is adapted to regulate the distance of the first to third discs with respect to each other by controlling at least one of their axial displacements or their tilting on the axle.
  • the displacement of the third disc 23 is achieved by means of three upper ball-shaped surfaces 28, which are placed on the top of upper ball-shaped surface supports 26. Also, the supports 26 prevent the second disc 22 from rotation, going through three slots 25 for the upper ball-shaped surface supports.
  • the elevation of the slot unit 22 is achieved by means of three lower convex or ball-shaped surfaces 27.
  • the hub unit 20 comprises topography with protrusions and indentations placed on the side of the hub unit 20 that keep the first disc 21 in the working position and prevent it from unwanted rotation. Moreover, the hub unit 20 comprises three protrusions 30 that engage a neighboring pack of hub unit and first to thirds discs in order to convey the rotational movement and torque. The protrusions 30 are formed at the base thereof additionally in order to prevent the third disc 23 from unwanted rotation. However, the rotation of the assembly comprising the hub unit 20 and the first to third discs 21 to 23 around the axle 36 is allowed.
  • the enlarged view in Fig. 4 shown in the lower right part shows the different convex elements 27 and 28 that are positioned to support the respective discs accordingly.
  • the protrusion 28 is located on a protrusion 26 that is configured to engage the respective cut-outs or recesses 25 in the center hole of the second disc 22 in order to allow a positive engagement of the second disc 22.
  • the bottom view of the hub unit 20 is depicted in the left bottom corner.
  • the protrusions 30 can be inserted into three cavities or recesses 31 of the next hub unit 20 to form a respective assembly.
  • the hub unit 20 comprises six pressing protrusions 32, adapted to squeeze the pincer assembly 13 from the top when it is desired to activate the tweezers.
  • Fig. 5 depicts an assembled single pincer assembly 13.
  • the view from the top of a pincer assembly 13 can be seen.
  • the view from the side of the pincer assembly 13 can be seen.
  • the cross-section across line B-B is going through the centers of two assembled tweezers, two pressing protrusions 32, upper ball-shaped surface of protrusion 28, the center of the assembly, and lower ball-shaped surface 27.
  • the cross-section can be seen in the second row of drawings in a tilted manner.
  • the left tweezer which is squeezed, comprises a pincer 22C of the second disc 22 and a pincer 21E of the first disc 21.
  • the right tweezer which is shown in an opened condition, comprises a lower pincer 21B of the first disc 21 and an upper pincer of the third disc 23.
  • protrusions 30 protrude beyond the rest of the pack of elements in order to engage the neighboring pack.
  • the cross-section D-D is going through the centers of two assembled tweezers, two pressing protrusions 32, upper ball-shaped surface 28, the center of the assembly, and lower ball-shaped surface 27.
  • the respective cross-section is depicted to the right in the first row of drawings.
  • the upper tweezer which is shown open for releasing hair, is composed of the pincer 22B and pincer 21A.
  • the tweezer below which is shown in the closed position, is composed of the pincers 23C and 21D.
  • the respective support and engagement of the first to the third discs can be further derived from these figures.
  • Fig. 6 depicts an epilating head 2 without covers at the end.
  • a front view is presented on the top of the page and the top view in the center.
  • the two arrows each marked with a P show that a force or pressure is applied from the side onto the epilating head.
  • this could be realized by a dense packing of the elements in the head or even a biasing arrangement by metallic side supporting structures acting similar to springs.
  • the cross-section A-A is going through the center of an epilating cylinder.
  • the respective cross-section can be seen on the bottom of the page.
  • the epilating cylinder is assembled by a number of hub units and discs or pincer assemblies.
  • the right part of the cylinder is shown without hub units 20, providing a detailed view of the internal structure, particularly of the arrangement of the discs.
  • the group of pincer assemblies is arranged on a curved axle 36.
  • the ends of the curved axle 36 are fixed in a head base 10 and mobile back part 12.
  • the curved axle 36 is adapted to be fixed but the group of pincer assemblies 13 to rotate around the curved axle 36 as a whole driven by a head gear 8 which is meshed with a gear assembly 7.
  • the spring 11 which made in the form of a metal frame, applies a squeezing force to both the head base 10 and mobile back part 12 in the P directions. Because of curvature, the upper part of the group of pincer assemblies exercises a maximal squeezing force but the opposite no pressure or less. Hence, the tweezers on the top site are squeezed and ones on the opposite site are opened or released. Therefore, the rotating group of pincer assemblies cause the trapping of hair, the epilating of user's hairs and the release thereof.
  • Fig. 7 depicts an assembled single pincer assembly.
  • the cross-section B-B has been made through the centers of two assembled tweezers being shown on top of the figure and the two pressing protrusions 32 and lower ball-shaped surface 27.
  • the imaginary cut can be seen at the bottom left corner.
  • the left tweezer is closed and/or squeezed, the right tweezer is opened and/or released.
  • the cross-section is passing along a slot unit 22 showing its cutting.
  • the cross-section C-C is going through the centers of two assembled tweezers, two pressing protrusions 32, and upper ball-shaped surface 28.
  • the cross-section can be seen at the bottom right corner of Fig. 7 .
  • the left tweezer is shown in the squeezed state, the right tweezer in the released state.
  • Line 33 is drawn between two adjacent upper ball-shaped surfaces 28, showing two-point bending line of a top unit 23.
  • the line is situated outside the center area occupied by a curved axle 36, hence its friction is reduced during the squeezing/releasing process.
  • the imaginary line 34 is drawn between two adjacent lower ball-shaped surfaces 27, showing two-point bending line of a slot unit 22.
  • the line is situated outside the center area occupied by the curved axle 36, hence its friction is reduced during the squeezing/releasing process.
  • Fig. 8 depicts three adjacent pincer sets or assemblies 13 strung on a curved axle 36 and shown at the top left corner.
  • the cross-section A-A is going through the curved axle 36.
  • the cross-section can be seen at the bottom of the page, where the top tweezers are squeezed and the bottom ones released because of curvature of the curved axle 36 and squeezing force of a spring 11 (not shown).
  • the cross-section B-B in Fig 8 shows the function of a generating protrusion 30 inserted into a recess or cavity 31.
  • the generating protrusion 30 and cavity 31 still engage even in the status when neighboring sets are spaced from each other. In the opposite side they engage more clearly or deeply.
  • the elevation of the generating protrusion 31 and the curvature of the curved axle 36 are designed to be high and big enough to allow the pincer assemblies 13 be substantially tightly squeezed on the top side and released on the bottom side.
  • Fig. 9 shows perspective views of an assembly of elements 20 to 23 according to another embodiment of the invention.
  • the hub unit 20 also takes the role of a counter element with counterparts 20A to 20F.
  • These counterparts 20A to 20F cooperate with the pincers 22A to 22C as well as 23A to 23C to form tweezers.
  • a third disc is not present but replaced by respective shapes of the hub unit's counterparts.

Landscapes

  • Surgical Instruments (AREA)

Claims (15)

  1. Tête d'épilation pour un dispositif d'épilation comprenant :
    a. au moins un premier disque (21) avec au moins deux premières pinces à disque (21A; 21C; 21E), le premier disque étant rotatif autour d'un axe ou d'un essieu (36) de rotation ;
    b. au moins un contre-élément (20 ; 22) avec au moins deux contre-parties (20A-F ; 22A-C), le contre-élément (20 ; 22) étant rotatif autour de l'axe ou de l'essieu (36) ;
    c. le premier disque (21) et le contre-élément (20 ; 22) étant configurés de sorte qu'une première paire de pincettes (21A, 20A ; 21A, 22A) soit composée d'une des premières pinces à disque (21A) et d'une des contre-parties (20A-F ; 22A-C) et une seconde pincette (21C, 20C ; 21C, 22C) soit composée d'une autre des premières pinces à disque (21C) et d'une autre des contre-parties (20A-F ; 22A-C) ;
    i. les première et seconde pincettes (21A, 22A ; 21C, 22C) étant chacune dans un état ouvert sur au moins une première section de rotation autour de l'axe ou de l'essieu (36) et
    ii. les première et seconde pincettes (21A, 22A ; 21C, 22C) étant chacune dans un état fermé sur une seconde section de rotation autour de l'axe ou de l'essieu (36) ;
    d. dans laquelle la première pincette (21A, 22A) et la seconde pincette (21C, 22C) sont en déport axial ou leurs enveloppes de rotation sont contiguës ou côte à côte.
  2. Tête d'épilation selon la revendication 1, dans laquelle le contre-élément (22) est un deuxième disque (22) et les contre-parties (22A-C) sont des deuxièmes pinces à disque (22A, 22B, 22C), les premier et deuxième disques (21, 22) étant configurés de sorte qu'une première paire composée d'une des premières pinces à disque (21A) et d'une de la seconde pince à disque (22A) forment une première pincette (21A, 22A) et une seconde paire composée d'une des deuxièmes pinces à disque (21C) et d'une de la seconde pince à disque (21C) forment une seconde pincette (21C, 22C).
  3. Tête d'épilation selon la revendication 2, dans laquelle les premières pinces à disque (21A ; 21C ; 21E) sont formées par des premières saillies de disque (21A ; 21C ; 21E) s'étendant radialement au moins en partie depuis le premier disque (21) et les deuxièmes pinces à disque (22A, 22B, 22C) sont formées par des secondes saillies de disque (22A, 22B, 22C) s'étendant radialement au moins en partie depuis le deuxième disque (22), et/ou dans laquelle des premières pinces à disque (21A ; 21C ; 21E) contiguës et/ou des deuxièmes pinces à disque (22A, 22B, 22C) contiguës sont au moins une en déport axial les unes des autres, leurs enveloppes de rotation sont contiguës ou côte à côte.
  4. Tête d'épilation selon l'une quelconque des revendications précédentes, comprenant en outre :
    a. un troisième disque (23) avec au moins deux troisièmes pinces à disque (23A; 23B ; 23C), le troisième disque (23) étant rotatif autour de l'axe ou de l'essieu (36) de rotation ;
    b. les premier et troisième disques (21, 23) étant configurés de sorte qu'une troisième paire composée d'une des premières pinces à disque (21B) et d'une des troisièmes pinces à disque (23A) forment une troisième pincette (21B, 23A) et une quatrième paire composée d'une des premières pinces à disque (21F) et d'une des troisièmes pinces à disque (23B) forment une quatrième pincette (21F, 23B) ;
    i. les troisième et quatrième pincettes (21B, 23A ; 21F, 23B) étant chacune dans un état ouvert sur au moins une première section de rotation autour de l'axe ou de l'essieu (36) et
    ii. les troisième et quatrième pincettes (21B, 23A ; 21F, 23B) étant chacune dans un état fermé sur une seconde section de rotation autour de l'axe ou de l'essieu (36) ;
    c. dans laquelle la troisième pincette (21B, 23A) et la quatrième pincette (21F, 23B) sont en déport axial ou leurs enveloppes de rotation sont contiguës ou côte à côte.
  5. Tête d'épilation selon l'une quelconque des revendications précédentes et les propriétés de la revendication 4, dans laquelle le premier disque (21) présente de 4 à 8 pinces (21A-F) et chacun du deuxième disque (22) et du troisième disque (23) présentent de 2 à 4 pinces, de préférence 3 pinces, de sorte que de 4 à 8 pincettes, de préférence 6 pincettes soient formées.
  6. Tête d'épilation selon l'une quelconque des deux revendications précédentes, comprenant 4 à 12 ensembles de premier, deuxième et troisième disques (21-23), de préférence 6 à 10 ensembles de premier, deuxième et troisièmes disques (21-23), de manière davantage préférée 8 ensembles de premier, deuxième et troisième disques (21-23).
  7. Tête d'épilation selon l'une quelconque des revendications précédentes, comprenant un tambour de tête (20, 21-23) qui est formé par une pluralité d'unités de moyeu (20) supportant chacune un ensemble de disques (21-23) tournant autour de l'axe ou de l'essieu (36).
  8. Tête d'épilation selon l'une quelconque des quatre revendications précédentes, dans laquelle au moins un parmi le deuxième disque (22) et le troisième disque (23) présente des extensions formées au niveau des pinces (22AC, 23A-C) s'étendant vers l'extérieur dans la direction de rotation et adaptées pour faciliter le guidage de poils dans les pincettes, les extensions étant inclinées entre 10 et 40° par rapport au plan des pinces (22A-C, 23A-C), de préférence entre 25 et 35°.
  9. Tête d'épilation selon l'une quelconque des revendications précédentes, dans laquelle l'axe ou l'essieu (36) est formé de manière concave par rapport à un côté d'utilisation et adapté pour aider les pincettes (21A, 22A; 21C, 22C) à être dans un état ouvert sur la première section de circonférence de rotation autour de l'axe ou de l'essieu (36) et dans un état fermé sur la seconde section de circonférence de rotation autour de l'axe ou de l'essieu (36).
  10. Tête d'épilation selon l'une quelconque des six revendications précédentes, comprenant en outre au moins deux unités de moyeu (20) adaptées chacune pour être supportées sur l'axe ou l'essieu (36) et pour tourner sur l'axe ou l'essieu (36) et pour supporter en outre le premier disque (21), le deuxième disque (22) et le troisième disque (23) de sorte qu'ils tournent conjointement avec l'unité de moyeu (20) respective, chaque unité de moyeu (20) étant en outre de préférence configurée pour amener les pincettes (21AF ; 22A-C, 23A-C) chacune dans un état ouvert sur au moins une première section de circonférence de rotation et dans un état fermé sur au moins une seconde section de circonférence de rotation autour de l'axe ou de l'essieu (36) par une inclinaison périodique d'un, plus d'un ou de tous les disques (21-23).
  11. Tête d'épilation selon la revendication précédente, dans laquelle l'axe ou l'essieu (36) est formé de manière concave par rapport à un côté d'utilisation, au moins deux ensembles d'unités de moyeu (20) étant agencés sur l'axe ou l'essieu (36) et dans une vue de la forme concave de l'axe ou de l'essieu (36), les unités de moyeu (20) étant chacune configurée pour amener les pincettes (21A-F ; 22A-C, 23A-C) chacune dans un état ouvert sur au moins une première section de circonférence de rotation et dans un état fermé sur au moins une seconde section de circonférence de rotation autour de l'axe ou de l'essieu (36), de préférence dans ou près du côté d'utilisation.
  12. Tête d'épilation selon l'une quelconque des revendications précédentes, dans laquelle une pluralité d'unités de moyeu (20) est agencée côte à côte sur l'axe ou l'essieu (36) pour former un tambour de tête rotatif, les unités de moyeu présentant des saillies de transfert de pression (32) sur le côté opposé au côté des disques (21-23) transférant une pression aux disques (21-23) de l'unité de moyeu (20) contiguë pour aider en outre les pincettes (21A, 22A; 21C, 22C) de l'unité de moyeu (20) contiguë à être dans un état ouvert sur la première section de circonférence de rotation autour de l'axe ou de l'essieu (36) et dans un état fermé sur la seconde section de circonférence de rotation autour de l'axe ou de l'essieu (36).
  13. Tête d'épilation selon l'une quelconque des huit revendications précédentes, comprenant en outre au moins deux saillies de transfert de pression (32) formées et positionnées sur un côté (20B) de l'unité de moyeu (20) et/ou dans laquelle les premier au troisième disques (20-23) sont adaptés pour être positionnés sur un côté de l'unité de moyeu (20) et adaptés pour l'inclinaison périodique où dans une première section de 360° de mouvement de rotation, les saillies de transfert de pression (32) d'un ensemble (13) de pince adjacente similaire sont configurées pour presser contre au moins un des disques (21, 22, 23) ainsi pour amener les disques (21, 22, 23) à entrer en contact les uns avec les autres au niveau de leurs surfaces de pince piégeant des poils entre elles et où dans une seconde section, le contact entre les surfaces de pince est adapté pour être cessé en libérant les poils piégés.
  14. Tête d'épilation (13) selon l'une quelconque des neuf revendications précédentes, dans laquelle l'unité de moyeu (20) comprend au moins trois surfaces convexes inférieures (27) et au moins trois surfaces convexes supérieures (28) sur le côté de l'unité de moyeu (20) abritant les disques (21-23) adaptés pour élever le deuxième disque (22) et le troisième disque (23) de l'un côté de l'unité de moyeu (20) provoquent respectivement la séparation (120) entre les disques (21, 22, 23) et permettent l'inclinaison périodique des unités (22, 23) sous l'influence des saillies de transfert de pression (32).
  15. Procédé de fonctionnement d'une tête d'épilation, comprenant les étapes de :
    a. la fourniture d'au moins un premier disque (21) avec au moins deux premières pinces à disque (21A ; 21C ; 21E), le premier disque tournant autour d'un axe ou d'un essieu (36) de rotation,
    b. la fourniture d'au moins un contre-élément (20 ; 22) avec au moins deux contre-parties (20A-F ; 22A-C), le contre-élément tournant autour de l'axe ou de l'essieu (36) ;
    c. la configuration du premier disque (21) et du contre-élément (20 ; 22) pour former une première paire de pincettes (21A, 20A ; 21A, 22A) qui est composée d'une des premières pinces à disque (21A) et d'une des contre-parties (20A-F ; 22A-C) et pour former une seconde pincette (21C, 20C; 21C, 22C) qui est composée d'une autre des premières pinces à disque (21C) et d'une autre des contre-parties (20AF ; 22A-C) ;
    i. les première et seconde pincettes (21A, 22A ; 21C, 22C) étant chacune dans un état ouvert sur au moins une première section de circonférence lors de leur rotation autour de l'axe ou de l'essieu (36) et
    ii. les première et seconde pincettes (21A, 22A ; 21C, 22C) étant chacune dans un état fermé sur une seconde section de circonférence lors de leur rotation autour de l'axe ou de l'essieu (36) ;
    d. dans lequel la première pincette (21A, 22A) et la seconde pincette (21C, 22C) sont en déport axial ou leurs enveloppes de rotation sont contiguës ou côte à côte.
EP18162220.0A 2017-03-17 2018-03-16 Dispositif et procédé d'épilation Active EP3375320B1 (fr)

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CN (1) CN108618339A (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3766376A1 (fr) * 2019-07-16 2021-01-20 Koninklijke Philips N.V. Dispositif d'épilation

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Publication number Priority date Publication date Assignee Title
IL89290A (en) 1989-02-14 1992-08-18 Dolev Moshe Hair removal device
FR2675671B1 (fr) 1991-04-25 1993-12-17 Braun Ag Appareil d'epilation.
IL103073A (en) 1991-09-10 1995-11-27 Philips Electronics Nv Install a disc-type hair puller
ES2146204T3 (es) 1991-12-23 2000-08-01 Koninkl Philips Electronics Nv Aparato para depilacion con accion de retorcimiento.
US5196021A (en) 1992-02-25 1993-03-23 Perfect Lady Ltd. Depilatory device
US5281233A (en) 1993-02-12 1994-01-25 Moshe Dolev Disc assembly hair remover
DE4428892A1 (de) 1994-08-18 1996-02-22 Braun Ag Epilationsgerät mit einem mehrschaligen Gehäuse
ES2177814T3 (es) 1996-08-06 2002-12-16 Braun Gmbh Cilindro giratorio para un aparato depilador.
TW443921B (en) 1998-04-15 2001-07-01 Matsushita Electric Works Ltd Depilator
ATE298277T1 (de) 2002-10-01 2005-07-15 Gillette Co Gelenkgetriebe mit virtueller schwenkachse für haarentfernungsgerät mit schwingkopf
IL159483A0 (en) 2003-12-21 2004-06-01 Epilady 2000 Llc Hair removal system
WO2009010815A1 (fr) 2007-07-18 2009-01-22 Epilady 2000 L.L.C. Tête d'épilateur pour attraper des poils et épilateur présentant une telle tête
US20120035621A1 (en) * 2010-07-27 2012-02-09 K.I.S. Ltd. Hair removal device
EP3104739B1 (fr) 2014-02-12 2018-06-27 Epilady 2000 LLC Épilateur comportant une paire de têtes séparables

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