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
  • A45D20/00—Hair drying devices; Accessories therefor
  • A45D20/04—Hot-air producers
  • A45D20/08—Hot-air producers heated electrically
  • A45D20/10—Hand-held drying devices, e.g. air douches
  • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
  • A45D20/122—Diffusers, e.g. for variable air flow
  • A45D20/124—Diffusers, e.g. for variable air flow comprising rotating 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
  • A45D20/00—Hair drying devices; Accessories therefor
  • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
• • 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
  • A45D20/00—Hair drying devices; Accessories therefor
  • A45D20/52—Hair-drying combs or hair-drying brushes, adapted for heating by an external heating source, e.g. air stream
  • A45D20/525—Hair-drying combs or hair-drying brushes, adapted for heating by an external heating source, e.g. air stream by an independent heating source

Definitions

• the present invention relates to the general technical field of hairdressing appliances, for example for domestic use, and more specifically to the field of portable hairdressing appliances designed to blow a flow of air in order to dry and / or facilitate the hair shaping.
• hand-held hair dryers comprising a handle and a blowing head, which comprises an air outlet for directing a flow of forced air, hot or cold, towards the hair of a user or a user.
• the forced air flow follows a single path within the device, until it emerges via said air outlet.
• additional accessories are generally provided, detachably or not, at the level of the air outlet in order typically to modify the useful air passage section and / or the direction of air blowing, and thus to define a plurality of different blowing modes adapted to the implementation of particular techniques for drying and/or shaping the hair.
• These known hair dryers although generally satisfactory, nevertheless have certain drawbacks.
• switching the hair dryer from one blowing mode to another requires, on the part of the user, an operation to assemble/disassemble the accessories, or an operation to manipulate an accessory pre-assembled at the level from the air outlet. Such an operation can sometimes prove to be tedious, which is detrimental to the ease of use of the apparatus and to its ergonomics.
• the objects assigned to the invention therefore aim to provide a new multifunctional portable hairdressing device that is particularly practical and simple to use, even for a user lacking specific professional skills in hairdressing.
• Another object of the invention aims to provide a new portable hairdressing device of ergonomic design and particularly intuitive use.
• Another object of the invention aims to provide a new portable hairdressing device which is particularly safe to use.
• Another object of the invention aims to provide a new portable hairdressing device of particularly simple and compact construction.
• Another object of the invention aims to provide a new particularly robust and reliable portable hairdressing device.
• Another object of the invention aims to provide a new portable hairdressing device allowing a user to easily and efficiently carry out a plurality of distinct operations, without requiring the use of an additional hairdressing device. external.
• a portable hairdressing appliance comprising means for generating an air flow according to at least two different blowing modes corresponding to different paths of the flow. of air within the device, said device being characterized in that it comprises a push-push button control mechanism for controlling each passage of the device from one of said blowing modes to another of said modes of blowing.
• FIG. 1 illustrates, in a front view, a preferred embodiment of a hairdressing device according to the invention
• - Figure 2 illustrates, in a rear view, the apparatus of Figure 1;
• FIG. 3 illustrates, in a side view, the apparatus of Figures 1 and 2;
• Figure 4 illustrates, in a partially exploded perspective view, the apparatus of Figures 1 to 3;
• FIG. 5 illustrates, in a truncated front view in section III-III (see Figure 3), the blowing head of the device of Figures 1 to 4 in a first blowing mode of the device, the button the push-push button control mechanism of the apparatus being in the released position;
• FIG. 6 illustrates, in a side view, a design detail of the device of Figures 1 to 4, in the first blowing mode. Some elements have been omitted, others made transparent, in particular to highlight the push-push button control mechanism, the button being in the released position;
• FIG. 7 illustrates, in a truncated front view in section III-III, the blowing head of the device of Figures 1 to 4 in a first blowing mode, the button being in the depressed position;
• FIG. 8 illustrates, in a side view, a design detail of the device of Figures 1 to 4, in the first blowing mode. Some elements have been omitted, others made transparent, in particular to highlight the push-push button control mechanism, the button being in the pressed position;
• FIG. 9 illustrates, in a truncated front view in section III-III, the blowing head of the device of Figures 1 to 4 in a second blowing mode of the device, the button being in the released position;
• FIG. 10 illustrates, in a side view, a design detail of the device of Figures 1 to 4, in the second blowing mode. Some elements have been omitted, others made transparent, in particular to highlight the push-push button control mechanism, the button being in the released position;
• FIG. 11 illustrates, schematically, a detail of the operation of the push-push button control mechanism of the device of Figures 1 - Figure 12 illustrates, in a top view in section 11 (see Figure 1), schematically, the blowing head of the apparatus of Figures 1 to 4, of which a working element occupies a first angular position, the apparatus being in its first blowing mode;
• FIG. 13 illustrates, in a top view in section l-l, schematically, the blowing head of the apparatus of Figures 1 to 4, the working element of which occupies a second angular position, the apparatus being in its first mode of blowing;
• FIG. 14 illustrates, in a top view in section l-l, schematically, the blowing head of the apparatus of Figures 1 to 4, the working element of which occupies a third angular position, the apparatus being in its first mode of blowing;
• FIG. 15 illustrates, in a top view in section l-l, schematically, the blowing head of the hairdressing appliance of Figures 1 to 4, the appliance being in its second blowing mode;
• FIG. 16 illustrates, in a longitudinal section in section II-II (see Figure 2), schematically, the device of Figures 1 to 4, the device being in its second blowing mode;
• FIG. 17 illustrates schematically, in a top view of the device of Figures 1 to 4, an advantageous additional design element of the device.
• the hairdressing device 1 is a portable hairdressing device, designed to be grasped and manipulated by hand.
• This is a hairdressing appliance 1 preferably intended for use in a domestic setting by a user without specific professional skills in hairdressing, that is to say both in terms of drying than styling, shaping the hair.
• the hairdressing device 1 is designed so that the user uses the hairdressing device 1 on himself, that is to say on his own hair.
• the hairdressing appliance 1 it is perfectly possible for the hairdressing appliance 1 to be designed for use by the user on the hair of a third person.
• the hairdressing appliance 1 comprises means for generating an air flow F according to at least two different blowing modes, which correspond to different paths of the air flow F at the within the hairdressing device 1 . It is therefore an advantageously "multimode” or “multifunction” device, being designed and configured to blow a flow F of air in the direction of the user's hair according to at least two different blowing modes, which can be alternatively selected by the user.
• the hairdressing appliance 1 according to the invention is designed and configured so that the air flow F takes different (airflow) paths inside the hairdressing appliance 1 according to the blowing mode selected by the user. In other words, the air flow F therefore follows at least a first path within the hairdressing device 1 in a first of said blowing modes.
• the hairdressing device 1 comprises at least a first air blowing outlet 2 and a second air blowing outlet 3, the flow F of air thus being intended to be blown out of the hairdressing device. 1 in the direction of the user's hair via one and/or the other (and preferably one or the other) of the first and second air blowing outlets 2, 3 in depending on the blowing mode selected, and therefore depending on the path followed by the flow F of air within the hairdressing appliance 1.
• the first and second air blowing outlets 2, 3 advantageously exist simultaneously, and not alternately.
• the flow F of air can advantageously be blown out of the hairdressing device 1 via the first air blowing outlet 2 after having followed a first given path within the hairdressing device 1 according to a first blowing mode, and/or via the second air blowing outlet 3 after having followed a second given path within the hairdressing device 1, different at least in part from the first path, in a second blowing mode.
• the implementation of such different a somehowlic paths advantageously allows the definition of very different blowing modes, depending in particular on the configuration and conformation chosen of the air blowing outlets 2, 3, on the relative arrangement of the latter , etc.
• a first blowing mode can thus advantageously correspond to an operating mode of the hairdressing appliance 1 in "blowing brush” mode
• a second blowing mode can advantageously correspond to an operating mode of the hairdressing appliance 1 in “hair dryer” mode.
• the invention is not limited to such particular blowing modes, and other blowing modes could be envisaged depending on the uses for which the hairdressing appliance 1 is intended in terms of drying and/or hair shaping.
• the number of different blowing modes is not, in practice, limited to two.
• to the same given blowing mode may possibly correspond a plurality of different paths of the flow F of air inside the hairdressing appliance 1.
• the hairdressing device 1 preferably comprises a handle 4 (or handle) for manual gripping, which is intended to be gripped manually by the user to manipulate the hairdressing device.
• hairstyle 1 typically extends between a first end 5 and an opposite second end 6, preferably longitudinally along an axis A-A' of extension.
• the handle 4 advantageously has a slender, slender shape, so that it can be grasped with the whole hand by an adult user.
• the hairdressing appliance 1 also preferably comprises a blowing head 7 connected to the handle 4 and advantageously carrying the first and second air blowing outlets 2, 3 mentioned above, so that the flow F of air is therefore advantageously intended to be blown out of the hairdressing appliance 1 blown in the direction of the user's hair via the blower head 7.
• the blower head 7 could carry the one of the air blowing outlets 2, 3, while the other of the air blowing outlets 2, 3 would be carried by the handle 4.
• the means for generating the air flow include a blower module 8 (or “motorized fan unit”) to initiate the flow F of air, from ambient air from the environment of the hairdressing device 1.
• the blower module 8 is embedded within the hairdressing device 1 itself.
• the hairdressing device 1 is advantageously provided with an air inlet 9, through which ambient air can be sucked in by the blower module 8 in order to be blown in the direction of the user's hair.
• the blower module 8, which typically comprises at least one fan actuated by an electric motor, can advantageously be arranged within the handle 4 or within the blower head 7.
• the blower module 8 is assembled to the handle 4 at the second end 6 of the latter, so that the blower module 8 advantageously extends the handle 4 beyond the second end 6 of the latter.
• the blowing head 7 is connected to the handle 4 at the level of the first end 5 of the latter.
• the blower module 8 is therefore preferentially offset from the blowing head 7 and the handle 4. It is thus possible to dimension the blower module 8 so as to generate a flow F of air with a high flow rate, economically. , and without impacting the general size of the blower head 7 and the handle 4.
• blower module 8 advantageously makes it possible to better balance the weight of the hairdressing device 1, by a distribution masses on either side of the handle 4, since the handle 4 is located between the blower module 8 and the blower head 7. This contributes to the ergonomics and comfort of use of the device 1. By moreover, this makes it possible to keep the blower module 8 as far away as possible from the ears of the user and therefore to limit the noise perceived by the latter in operation of the hairdressing device 1.
• the hairdressing appliance 1 can then advantageously comprise a guide channel 10 (figure 16) made inside the handle 4 to guide, channel, the flow F of air initiated by the blower module 8 as far as the blowing head 7.
• the guide channel 10 can advantageously be unique, so that it defines a common portion different paths taken by the flow F of air within the hairdressing appliance 1 according to the different blowing modes.
• the means for generating the flow F of air according to at least two blowing modes different thus include said guide channel (or channels) 10.
• the hairdressing device 1 also comprises a heating element provided to raise the temperature of the air flow F initiated by the blower module 8.
• the heating element is arranged so to be interposed in the flow F of air initiated by the blower module 8.
• the heating element is advantageously positioned inside the guide channel 10 provided in the handle 4 (figure 16).
• the heating element is typically an electric heating element, comprising an electric heating resistor formed of an electric conductor wire (not shown) wound around an insulating core 11 .
• the heating element could be housed in the blowing head 7, to the detriment, however, of the compactness of the latter.
• the hairdressing device 1 comprises means for controlling and/or adjusting 12 manuals, by the user, of the electrical operation of the hairdressing device 1, and in particular of the blower module 8 and/or the 'heating element.
• adjustment means for example of the rocker switch, push-button type and/or of the slide or thumbwheel type dimmers as in the example illustrated in the figures, on which the user can act directly in order to to electrically activate/deactivate the hairdressing appliance 1 and to modify the rotation speed of the fan of the blower module 8, and therefore the speed/flow rate of the flow F of air blown by the hairdressing appliance 1, and / or the heating temperature of the heating element.
• Such manual control/adjustment means 12 can be positioned, for example, at the level of the handle 4 or at the level of the blower module 8, when the latter is assembled at the second end 6 of the handle 4 as in the example illustrated in figures.
• the hairdressing appliance 1 can also optionally comprise a cold air/hot air switch 13, for example arranged at the level of the handle 4, preferably at its first end 5, to control starting and/or stopping of the heating element.
• the hairdressing device 1 is preferably provided to be electrically powered from the mains, via a power cord 14 provided at one free end with an electrical connection plug (not shown) .
• the blowing head 7 can be designed to be connected, assembled, in a removable manner to the handle 4, so that the user can separate the blowing head 7 from the handle 4, by example to clean or to replace the blower head 7.
• the blower head 7 is designed to remain permanently connected to the handle 4 of the hairdressing appliance 1 , and is therefore not intended (in normal use) to be separated from the handle 4 by the user. This simplifies both the design and the use of the hairdressing device 1 .
• the means for generating the air flow F include an air direction member 15 (or “air deflection member” or even “deflector”) to direct the air flow F initiated by the blower module 8 to one and/or the other (and preferably one or the other) of the first and second air blowing outlets 2, 3 of the hairdressing appliance 1, depending on the blowing mode selected.
• an air direction member 15 or “air deflection member” or even “deflector” to direct the air flow F initiated by the blower module 8 to one and/or the other (and preferably one or the other) of the first and second air blowing outlets 2, 3 of the hairdressing appliance 1, depending on the blowing mode selected.
• the air directing member 15 is advantageously mounted to move, within the hairdressing device 1, at least between a first air directing configuration in which the air directing member 15 directs the initiated air flow F towards (and preferably only towards) the first air blower outlet 2 according to a first of said blowing modes, and a second air direction configuration in which the steering member d air 15 directs the flow F of air initiated towards (and preferably only towards) the second air blowing outlet 3 according to a second of said blowing modes.
• the air direction member 15 is therefore designed and configured to define, or at the very least to contribute to defining, different paths of the flow F of air within the hairdressing device 1 according to the air direction configuration it occupies.
• the air direction member 15 is arranged inside the blower head 7, which contributes to a simple and compact design of the latter.
• the air direction member 15 is then advantageously configured to deflect the flow F of air leaving the guide channel 10 provided in the handle 4, towards one and/or the other of the first and second blowing outlets of air 2, 3. Even more advantageously, the air direction member 15 is configured to deflect the flow F of air leaving the guide channel 10 alternately towards one or the other of the first and second outlets blower 2, 3.
• the air direction member 15 could be arranged inside the handle 4, to the detriment nevertheless of the compactness of the latter.
• the air directing member 15 forms an air directing duct (or “air deflection duct”, “deflector duct” or even “valve”) which extends longitudinally at from one end of the handle 4, and typically from the first end 5 of the handle 4.
• the air directing member 15 comprises at least one air directing outlet 16A, via which the flow F of air is directed by the air direction member 15 towards one and/or the other (and preferably towards one or the other) of the first and second air blowing outlets 2, 3 according to the air direction configuration occupied by the air direction member 15.
• the air direction member 15 may comprise an air inlet 17 (figure 16), connected to the air guide channel 10 of the handle 4 to collect the air flow F initiated by the blower module 8.
• the air direction member 15 thus advantageously extends the air guide channel 10 beyond the first end 5 of the handle 4.
• the air directing duct formed by the air directing member 15 comprises a hollow tube 18 of generally cylindrical or preferably still tapered shape. Open at one of its ends to define said air inlet 17, hollow tube 18 then preferably has a substantially airtight wall through which said air direction outlet 16A is formed.
• the hairdressing appliance 1 also comprises a control mechanism 19 for controlling the passage of the hairdressing appliance 1 from one of the blowing modes to another of the blowing modes, and therefore to modify the path of the air flow F within the hairdressing device 1.
• a control mechanism 19 for controlling the passage of the hairdressing appliance 1 from one of the blowing modes to another of the blowing modes, and therefore to modify the path of the air flow F within the hairdressing device 1.
• control mechanism 19 is therefore distinct from the manual control and/or adjustment means 12 of the electrical operation of the hairdressing device 1 and of the cold air/hot air switch 13, as described previously, that the hairdressing device 1 can possibly understand. More specifically, the control mechanism 19 of the hairdressing appliance 1 according to the invention is a push-push button 20 control mechanism 19 (or “push-push kinematics control mechanism", or “push-push” button) to control each passage of the hairdressing appliance 1 from one of the blowing modes to another of the blowing modes.
• the control mechanism 19 is therefore designed and configured to transform each push exerted by the user (for example using a finger of the user) on a button 20 of the control mechanism 19 in a passage of the hairdressing appliance 1 from one of the blowing modes to another of the blowing modes or, at any least, from one of the blowing modes to another of the blowing modes.
• the push-push button control mechanism 19 is thus advantageously connected to the air direction member 15 to control each passage of the air direction member 15 of the to each other of said first and second air direction patterns.
• the use of the hairdressing appliance 1 is thus particularly simple and intuitive, since the reproduction of a simple pushing action performed by the user against the button 20 of the control mechanism 19, each time in the same direction of thrust, controls each change of blowing mode of the hairdressing appliance 1.
• Each thrust exerted by the user on the button 20 of the control mechanism 19 thus controls a cyclic passage of the hairdressing appliance 1 from a given initial blowing mode to a following blowing mode, and so on, until it returns to the initial blowing mode after the mechanism control 19 has been operated successively as many times as the hairdressing appliance 1 has different blowing modes.
• each push exerted by the user on the button 20 thus controls the alternating passage from a first operating mode of the hairdressing device 1 (first blowing mode) to a second operating mode of the hairdressing device 1 (second blowing mode), then from the first mode of operation to the second mode of operation of the hairdressing device 1, and so on.
• the push-push button 20 control mechanism 19 is designed and configured to control in a purely mechanical manner each passage of the hairdressing device 1 from one of the blowing modes to another of the modes. of blowing.
• the control mechanism 19 is therefore designed and configured to mechanically transform each push exerted by the user (for example using a finger of the user) on a button 20 of the control mechanism 19 into a passage of the hairdressing appliance 1 from one of the blowing modes to another of the blowing modes or, at the very least, from one of the blowing modes to another of the modes of blowing.
• the control mechanism 19 with push-push button 20 therefore advantageously has no electrical or electromechanical component, so that its design is particularly simple, economical and reliable.
• the button 20 of the push-push button control mechanism 19 is thus advantageously mechanically connected to the air direction member 15 to mechanically transform each movement of the button 20 of the control mechanism 19 with push-push button under the effect of a push exerted on the button 20 by the user in a movement of the air direction member 15 from one towards the other of said first and second configurations of direction of air. It is therefore advantageously not an electromechanical push-push button control mechanism, which would establish an electromechanical connection between the button of the control mechanism 19 and the air direction member, i.e. say which would be designed to transform a mechanical push exerted on the button by the user into an electric command of an electric actuator which would be connected to the air steering organ 15.
• the implementation of such a mechanism of purely mechanical control 19 advantageously allows the user to modify the blowing mode of the hairdressing device 1 even when the latter is not powered.
• the safety of use of the hairdressing appliance 1 is thereby improved, insofar as the risk of immediate air blowing in a direction not expected by the user, and for example towards his face, is thus limited.
• the hairdressing device 1 is nonetheless simple to use, since the user nevertheless retains the possibility of changing the blowing mode of the hairdressing device 1 while the latter is in operation.
• the implementation of a purely mechanical control of the change of blowing mode, rather than an electromechanical control tends to improve the operating reliability of the hairdressing appliance 1, and to reduce its manufacturing cost. and use.
• the button of the push-push button control mechanism is a bistable button.
• the control mechanism is then designed and configured in such a way that the button is suitable
• a first stable position (known as the relaxed position) to a second unstable position (known as the unstable depressed position) under the effect of a first thrust exerted by the user, and - to then return automatically to a third stable position (called stable depressed position), intermediate to said first stable position and second unstable position, under the effect of an elastic return member when the first thrust exerted by the user ceases.
• the button then remains temporarily locked in said stable depressed position, corresponding to one of the blowing modes of the hairdressing appliance 1 .
• the control mechanism is designed and configured in such a way that the button is capable of moving from said third stable depressed position to said second unstable depressed position under the effect of a second push exerted by the user, which is consecutive to said first push and which thus makes it possible to unlock the button, and then to return to the first stable released position, under the effect of an elastic return member, when the second push exerted by the user ceases.
• a bistable push-push button control mechanism can implement a so-called “cardioid” mechanism, kinematics.
• the button 20 of the control mechanism 19 to the push-push button 20 is a monostable button 20.
• the control mechanism 19 is therefore preferably designed and configured in such a way that the button 20 is able
• control mechanism 19 then advantageously comprises an elastic return member 21, such as a spring, to automatically return the button 20 to the released position when the thrust exerted by the user ceases (FIGS. 9, 10 and 11(c)-(d)).
• the control mechanism can be designed and configured to transform each push exerted by the user on the button of the control mechanism 19 into a passage of the hairdressing device 1 of the one of the blowing modes to another of the blowing modes.
• the single push exerted by the user on the button 20 of the control mechanism 19 makes it possible to switch the hairdressing device 1 from one of the blowing modes to another of the blowing modes.
• the push-push button 20 control mechanism 19 is designed and configured to transform each push, exerted by the user, on the button 20 of the control mechanism 19 into a passage, a transition, of the hairstyle 1 from one of the blowing modes to another of the blowing modes, then to automatically finalize the passage of the hairdressing device 1 to the other of the blowing modes under the effect of the automatic return of the button 20 to said stable relaxed position, when the thrust exerted by the user ceases.
• the change of blowing mode is then initiated only by a pressure exerted by the user on the button 20, then terminated automatically by the control mechanism 19. This in particular allows a change of blowing mode more easier, more intuitive and faster for the user.
• the button 20 of the push-push button 20 control mechanism 19 typically has a contact portion 22, or interaction portion, intended to come into direct contact with the user (for example with a finger of the latter ) when the latter pushes against the button 20 to control the change of blowing mode.
• at least the contact portion 22 of the button 20 protrudes from an external surface of the hairdressing device 1 in the absence of pressure exerted on the button 20.
• the control mechanism 19 is therefore advantageously designed and configured so that at least the contact portion 22 of the button 20 is arranged above the outer surface of the hairdressing appliance 1 in the absence of pressure exerted on the button 20 (FIGS. 1 to 3, 5 and 9), that is to say in its mode of rest. This facilitates access to the button 20 and manipulation of the latter by the user.
• control mechanism 19 is preferably designed and configured so that the contact portion 22 of the button 20 passes below the outer surface of the hairdressing device 1 (that is to say so that the button 20 retracts, retracts, entirely inside the hairdressing device 1) when the button 20 moves towards its depressed position under the effect of a thrust exerted by the user to pass the device hairstyle 1 from one blowing mode to another (FIG. 7).
• the risk of an involuntary change of the blowing mode by interaction of the button 20 with the user or with a surrounding element is thus advantageously limited.
• the button 20 of the control mechanism 19 with push-push button 20 is arranged at the level of the blowing head 7, and not at the level of the handle 4, so as to limit a risk of involuntary manipulation of the button 20 by the hand of the user who holds the handle 4.
• the button 20 is arranged at such a distance from the handle 4 that it cannot be reached by a finger of the hand of the user who holds the handle 4.
• the button 20 can be arranged at the level of the blowing head 7, opposite the handle 4. Inaccessible with a finger of the hand of the user who holds the handle 4, the button 20 thus remains perfectly accessible by a finger of the other hand of the user.
• the air direction member 15 is however preferably mounted so as to be able to rotate, to pivot, around an axis B-B' of rotation , between at least the first and second air direction configurations, as in the embodiment illustrated in the figures.
• the control mechanism 19 then controls the passage of the air direction member 15 from one to the other of the first and second air direction configurations by rotation of the air direction member 15 according to a predetermined angle Q of rotation around said axis B-B' of rotation.
• the air directing member 15 is mounted rotatably relative to the handle 4 of the hairdressing appliance 1, the axis B-B' of rotation of the air directing member 15 preferably being parallel to, or preferably coincident with, the axis A-A' of longitudinal extension of the handle 4.
• the control mechanism 19 preferably comprises a rotary coupling part 23, forming a cam and mechanically connected to the air direction member 15 on the one hand, and preferentially on the other hand button 20.
• Button 20 of control mechanism 19 with push-push button 20 is advantageously secured to at least one pin 24 (or roller) forming a follower which cooperates with the cam so that each push exerted on button 20 causes a rotation of the rotary coupling part 23 around an axis of rotation C-C' and a corresponding rotation of the air direction member 15 around its axis of rotation B-B'.
• the button 20 of the push-push button 20 control mechanism 19 is mounted in pure rectilinear translation along a translation axis D-D′, relative to the rest of the hairdressing device 1 and in particular with respect to the handle 4 of the latter.
• the movement of the button 20 under the effect of a push exerted by the user is a pure rectilinear translational movement, that is to say along a rectilinear sliding connection, in the same mean direction as the effort of thrust exerted by the user.
• the manipulation of the button 20 is thus particularly easy and intuitive for the user, whatever the position and orientation of the button 20 with respect to the user in use of the hairdressing device 1 .
• the button 20 could for example be mounted for rotation or pivoting, tilting, and be shaped and configured so that the contact portion 22 of the button 20 describes a curvilinear arcuate trajectory under the thrust effect exerted by the user.
• button 20 is arranged relative to rotary coupling part 23 so that axis D-D' of rectilinear translation of button 20 coincides with axis C-C' of rotation of rotary coupling part 23.
• each push exerted by the user on the button 20 causes a displacement in rectilinear translation of the button 20 and, preferably directly, a rotation of the rotary coupling part 23 around the axis D-D' of translation of the button 20, according to a design which is particularly simple and compact due to the preferential absence of an intermediate part between the button 20 and the rotary coupling part 23.
• the axis D-D' of rectilinear translation of the button 20 could be provided parallel to the axis C-C' of rotation of the rotary coupling part 23 and offset with respect to the latter, or else provided oblique or orthogonal to the axis C-C' of rotation of the rotary coupling part 23, to the detriment however the simplicity of design and the compactness of the control mechanism 19.
• the rotary coupling part 23 is immobilized in rotation with respect to the air direction member 15, the axis C-C' of rotation of the rotary coupling part 23 being coincident with the respective axis B-B' of rotation of the air direction member 15.
• each movement of the button 20 under the effect of a thrust exerted by the user causes joint rotation of the coupling part rotating 23 and the air direction member 15, said predetermined angle Q of rotation, around a common axis B-B', C-C' of rotation. This contributes to the simplicity and reliability of design and operation of the hairdressing device 1 .
• the rotary coupling part 23 and the air direction member 15 can be assembled one by the other by shape complementarity and secured to one another by screwing, clipping / snapping or gluing.
• the rotary coupling part 23 and the air direction member 15 could optionally together form a monolithic part.
• the rotary coupling part 23 more specifically forms a grooved drum cam.
• the rotary coupling part 23 thus comprises at least one cylindrical portion of revolution, which is provided with a groove 25 forming a cam path delimited by two opposite side walls of the groove 25 and intended to be traversed by the pin 24 forming a follower secured to the button 20.
• the pin 24 is thus captive within the groove 25, which contributes to ensuring a reliable mechanical connection between the button 20 and the rotary coupling part 23.
• the groove 25 is peripheral, s extending along the entire circumference of the cylindrical portion of revolution, and closed on itself. In this way, the rotation of the rotary coupling part 23 around its axis C-C′ of rotation can take place in the same direction of rotation at each blowing mode change command.
• the button 20 is mounted in pure rectilinear translation along its axis D-D 'of rectilinear translation, which coincides with the axis C-C' of rotation of the rotary coupling part 23.
• the button 20 includes a portion of tubular side skirt 26 of circular section, of revolution along the axis D-D' of rectilinear translation, which overlaps the cylindrical portion of revolution of the rotary coupling part 23.
• the button 20 is not connected to a a single pin 24, but with two pins 24 forming followers, arranged on either side of the axis D-D' of rectilinear translation, in order to make the mechanical connection between the button 20 and the rotary coupling part 23 even more reliable.
• each of the pins is housed in the groove 25 of the grooved drum cam formed here by the rotary coupling part 23.
• an opposite free end portion of each of the pins 24 is housed within a light 27 obl respective ointment formed in a stationary part with respect to the handle 4.
• the pins 24 can each be defined by a cylindrical pin force-fitted in an orifice formed through the wall of the portion of the tubular side skirt 26 of the button 20, once the button 20 is assembled to cover the cylindrical portion of revolution of the rotary coupling part 23, so that a portion of the pins defining such a pin 24 forming a follower extends radially inside the button 20, while an opposite portion of the pins extends radially outside the button 20 and is captured in one of the slots 27 oblong.
• control mechanism 19 with push-push button 20 comprises an elastic return member 21, as already mentioned above, such as for example a compression spring.
• the elastic return member 21 is configured and arranged to automatically return the button 20 to its stable released position (rest position) when the push exerted by the user on the button 20 ceases.
• the compression spring can be arranged in contact on the one hand against an inner surface of the knob 20 and on the other hand against a surface of the rotary coupling part 23.
• the cam formed by the rotary coupling part 23 is advantageously shaped and configured so that the rotation of the air directing member 15 according to said predetermined angle Q of rotation, which allows the passage of the hairdressing appliance 1 from one blowing mode to another by a corresponding passage of the air direction member 15 from one air direction configuration to another, is carried out: - for only a first part of said predetermined angle Q of rotation, by a movement of the button 20 of the push-push button control mechanism 15 under the effect of a thrust exerted, by the user, on the button 20,
• the change of blowing mode is only initiated by a push exerted by the user on the button 20, as mentioned above as a preferred variant, the change of blowing mode being finalized automatically by the control mechanism 19, after the user has stopped pushing the button 20 of the latter.
• the user therefore advantageously only needs to provide only part of the force required to rotate the air direction member 15 according to the predetermined angle Q of rotation to cause the latter to pass from to each other of its air direction configurations. As indicated above, this in particular allows an easier, more intuitive and faster change of blowing mode for the user.
• the cam is shaped and configured in such a way that the rotation of the air direction member 15 according to said predetermined angle Q of rotation is carried out for less than 50% (for example for 30% or 40 % only) of said predetermined angle Q of rotation, by a movement of the button 20 of the control mechanism 19 under the effect of a thrust exerted on the button 20, then, for the rest (i.e. more than 50%, for example for 60% or 70%) of said predetermined angle Q of rotation, by a movement in the opposite direction of button 20 under the joint effect of elastic return member 21 and of the cam, when the thrust exerted ceases.
• Such a feature can be achieved for example, as shown schematically in Figure 11, by modulating the profile of the cam path defined by the groove 25 of the grooved drum cam mentioned above, to define at least two portions 28A, 28B of consecutive cam paths, forming ramps 29A, 29B of opposite slopes, and the course of which by the pin 24 forming a follower causes a rotation of the air direction member 15 according to the predetermined angle Q of rotation as follows.
• the slope of the first ramp 29A is chosen to be steeper, more pronounced, than the slope of the second ramp 29B, so that the first angle of rotation ⁇ i is thus less than the second angle of rotation ⁇ 2, the sum of the first and second angles of rotation 0i, 02 corresponding to the predetermined angle 0 of rotation.
• the first angle ⁇ i corresponds to the movement initiated by pushing by the user
• the second angle ⁇ 2 corresponds to the automatic complementary movement described above.
• the passage of the air direction member 15 from one to the other of the first and second air direction configurations is achieved by rotation of the member air direction 15 along its axis of rotation C-C 'a predetermined angle 0 of rotation of 90 °.
• the air direction member 15 can advantageously change its angular configuration four times, alternating between said first and second air direction patterns.
• the grooved drum cam is here advantageously shaped and configured so that the rotation of the air direction member 15 according to said predetermined angle Q of rotation is carried out:
• a side wall of the groove 15 of the grooved drum cam has at least two hooks 30A, 30B, in which is housed alternately at least partially the pin or pins ( s) 24 forming follower(s) when the air direction member 15 occupies one or the other of the first and second air direction configurations, and the thrust exerted by the user on the button ceases 20 ( Figure 11, (a) and (d)).
• the invention is not limited to a mechanical connection as described above between the button 20 of the control mechanism 19 and the air steering member 15, and other kinematic chains adequate may alternatively be implemented depending in particular on the arrangement, conformation and configuration of the air direction member 15, the mobility of the latter (pivoting, translation, etc.), the arrangement of the button 20, the mobility of the latter (rotational, translational, tilting, etc.).
• other shapes of cam may be envisaged (single drum cam, etc.), although the implementation of a grooved drum cam proves to be more particularly advantageous for the reasons set out above.
• the blowing head 7 of the hairdressing device 1 comprises a working element 31 (or “plate” or even “pad” of work ) which is rotatably mounted, pivotally, relative to the handle 4 of the hairdressing device 1.
• the working element 31 carries the first air blowing outlet 2 of the hairdressing appliance 1 and comprises a mechanical engagement element 32 of the hair, able to interact mechanically with the user's hair in such a way as to brush them, comb them and/or even comb them.
• the working element 31 typically comprises a support 33, provided with a support surface 34 facing the outside of the hairdressing appliance 1, and to which the mechanical engagement element 32 of the hair is secured.
• the mechanical hair engagement member 32 may comprise a plurality of rows or strips 32A, 32B, 32C of bristles and/or brush bristles, attached to the support 33 and projecting from the support surface 34, preferably along a direction substantially normal to the latter.
• the working element 31 can advantageously comprise side panels 31 A, 31 B, which extend on either side of the mechanical engagement element 32 of the hair and of the support 33 of the latter, and laterally delimit the working element 31.
• the first blowing mode of the hairdressing device 1 advantageously corresponds to a so-called "blowing brush” mode, in which the flow F of air borrows within the hairdressing device 1 at least one particular path until it is blown out of the hairdressing device 1 via the first air blowing outlet 2 carried by the working element 31 .
• the first air blower outlet 2 comprises a first blower outlet portion 2A and a second air blower outlet portion 2B. Said first and second air blowing outlet portions 2A, 2B are distinct from each other, and therefore not coincident and not contiguous, and are positioned on either side of the mechanical engagement element 32 hair.
• the working element 31 carries the first and second air blowing outlet portions 2A, 2B and the mechanical engagement element 32 of the hair, the air blowing outlet portions 2A, 2B existing concomitantly and being stationary with respect to the mechanical hair engaging member 32.
• the first and second air blowing outlet portions 2A, 2B can advantageously be positioned at the edge of the engagement element 32 of the hair, along opposite lateral edges of the latter.
• the flow F of air can be blown out of the hairdressing device 1 via one and/or the other of said first and second air blowing outlet portions 2A, 2B.
• the blowing head 7 further comprises a housing 35 which is fixed relative to the handle 4, and which respectively carries the second air blowing outlet 3 of the hairdressing device 1 .
• the housing 35 is advantageously connected to the handle 4 at the level of the first end 5 of the latter.
• the outer surface of the housing 35 thus advantageously defines at least part of the general outer shape and outline of the blowing head 7.
• the second air blowing outlet 3 may have an opening of generally oblong, elongated shape, to blow the air flow F in the form of an air knife.
• the second air blow outlet 3 could have, for example, an opening of generally circular shape to blow the air flow F in a substantially cylindrical or frustoconical shape.
• the second mode of blowing hairdressing appliance 1 can advantageously correspond to a “hair dryer” mode.
• the working element 31 of the blowing head 7 is arranged (at least partly) within the housing 35 so that the mechanical engagement element 32 of the hair protrudes (at least partly) out of the casing 35.
• the casing 35 comprises, or at the very least defines, an opening or notch receiving the working element 31 .
• the working element 31 has an outer surface 36 which defines a first face of the blowing head 7, oriented towards the outside of the latter, in the direction of the hair to be styled. Said outer surface 36 advantageously includes the surface 34 of the support 33 of the mechanical engagement element 32 of the hair.
• the casing 35 thus forms a sort of protective envelope for at least part of the working element 31, which limits the risk of damage to the working element 31 in the event of mechanical shocks. of the blowing head 7, as well as the risk of burning the user by contact with the working element 31 when the flow F of air blown by one and/or the first and second blowing outlet portions air 2A, 2B of the working element 31 is hot.
• the integration of the working element 31 in the housing 35 also makes it possible to limit the overall size of the blowing head 7, and therefore allows a compact design of the latter.
• the housing 35 thus advantageously offers a zone for manual gripping of the blower head 7 by the user, typically in the context of a hairdressing gesture with two hands, one hand holding the hairdressing appliance 1 by the handle 4 and the other hand holding the blowing head 7, by limiting the risk of mechanical interaction between the working element 31 and the hand of the user who is holding the blowing head 7.
• the device for hairstyle 1 has a particularly robust, ergonomic, compact and safe design.
• the housing 35 (and more generally the blowing head 7) extends longitudinally along an axis E-E' of average extension, between a lower end 37 at which the housing 35 extends the handle 4 beyond the first end 5 of the latter, and an upper end 38 opposite.
• the working element 31 is advantageously mounted to rotate, to pivot, relative to the handle 4 in a predetermined angular range along an axis F-F' of rotation between at least one first angular position in which the flow F of air is intended to be blown out of the hairdressing device 1 via the first blow outlet portion 2A, and at least one second angular position, distinct from the first angular position, in which the flow F of air is intended to be blown out of the hairdressing device 1 via the second blow outlet portion 2B.
• the working element 31 is therefore capable of occupying a plurality of different angular orientations (or positions) relative to the handle 4 by pivoting around the axis F-F' of rotation, within a predetermined and advantageously limited angular range.
• the working element 31 has a certain latitude of rotation around the axis FF” of rotation and is therefore capable of being able to pivot, oscillate, relative to the handle 4 in said predetermined angular range, while blowing the flow F of air out of the hairdressing appliance 1 by one and/or the other of the first and second air blowing outlet portions 2A, 2B carried by the working element 31 .
• the interaction between the user's hair and the mechanical engagement element 32 of the hair of the working element 31 may cause the working element 31 to pivot relative to the handle 4 under the effect of a tensile force exerted by the hair of the user on the mechanical engagement element 32 of the hair.
• this then has the effect of blowing the flow F of air selectively through one and/or the other of said air blowing outlet portions 2A , 2B in the direction of brushing or styling the hair, and therefore in the direction of pivoting of the working element 31 in the direction of one or the other of the first and second angular positions.
• the flow F of air is advantageously always blown as close as possible to the user's hair, from the root to the tip of the hair, without requiring any particular action or reflection on the part of the latter other than that of brushing his hair using the hairdressing appliance 1 .
• the hairdressing appliance 1 thus makes it possible to easily obtain particularly satisfactory styling and hair-shaping effects. Furthermore, given the fact that only the working element 31 is mounted to rotate with respect to the handle 4, and not the whole of the blowing head 7, the hairdressing device 1 is particularly ergonomic and easy to use, even by a user lacking particular professional skills in the field of hairdressing.
• the hairdressing device 1 is therefore designed and configured in such a way that, when the air direction member 15 occupies said first air direction configuration (first blowing mode, FIGS. 14), the air direction member 15 is capable of directing the air flow F initiated towards one and/or the other of the first and second air blower outlet portions 2A, 2B of the first air blowing outlet 2 carried by the working element 31, according to the angular position of the latter.
• the hairdressing appliance 1 is therefore designed and configured in such a way that, when the air direction member 15 occupies said second air direction configuration (second blowing mode, FIGS. 15 and 16), the air direction member 15 is capable of directing the flow F of air initiated towards the second air blower outlet 3, carried by the housing 35 of the blower head 7.
• the direction member 15 more preferably comprises two air direction outlets 16A, 16B, which are separate and distant from each other and are configured to direct, distribute, the flow F of air initiated by the blower module 8, preferably in different mean directions.
• the two air direction outlets 16A, 16B are formed in the wall of the hollow tube 18 of the air direction duct that preferentially forms the air direction member 15, as already mentioned above.
• the hairdressing appliance 1 is designed and configured so that, when the air direction member 15 occupies the first air distribution configuration, none of the first and second air direction outlets 16A, 16B of the air steering member 15 is in aeraulic communication with the second air blower outlet 3 carried by the housing 35 of the blower head 7.
• the hairdressing appliance 1 is designed and configured so that none of the first and second air direction outlets 16A, 16B is then in aeraulic communication with one and/or the other of the first and second output portions of air blower 2A, 2B carried by the working element 31.
• the first and second angular positions are opposite extreme positions, the predetermined angular range being between 10° and 60°, preferably between 10° and 40°, preferably between 20° and 60°, and more preferably between 20° and 40° (for example 24°).
• the hairdressing device 1 is thus advantageously suitable for hair of all lengths.
• said angular positions constitute extreme abutment positions.
• the hairdressing device 1 is designed and configured to prohibit the air communication of the second air blowing outlet portion 2B carried by the working element 31 with the second direction outlet. air 16B of the air direction member 15 when the working element 31 occupies the first angular position (FIG. 12).
• the hairdressing device 1 is also advantageously designed and configured to reciprocally prohibit the aeraulic communication of the first air blowing outlet portion 2A carried by the working element 31 with the first air direction outlet 16A of the air direction member 15 when the working element 31 respectively occupies the second angular position (FIG. 13).
• the flow F of air is blown only through the first air blowing outlet portion 2A when the working element 31 occupies the first angular position and, conversely, the air flow F is blown only via the second air blowing outlet portion 2B when the working element 31 occupies the second angular position.
• all of the air flow F initiated by the blower module 8 can alternatively be blown by one or the other only of the first and second air direction outlets 16A, 16B of the steering member. of air 15, respectively according to the first or the second angular position occupied by the working element 31 with respect to the handle 4.
• Such a characteristic advantageously makes it possible in particular to simplify the design of the blowing head 7, to make the distribution of air more reliable air to the first and second air blowing outlet portions 2A, 2B carried by the working element 31 by limiting pressure drops, as well as to optimize the blowing of the air flow F in the direction of the user's hair for optimal styling results.
• the first and second air blowing outlet portions 2A, 2B of the first air blowing outlet 2 can each be defined by an elongated continuous opening such as a slot or, preferably, each defined by a plurality of separate orifices arranged in a line, the elongated continuous openings or the rows of separate orifices extending longitudinally respectively on either side of the main hair engagement element 32, in an average direction which is generally oriented along the axis E-E' of mean extension of the housing 35.
• elongated continuous opening such as a slot
• other conformations and/or orientations of the air blowing outlet portions 2A, 2B could alternatively be envisaged.
• the first and second air blowing outlet portions 2A, 2B are shaped and configured to blow the flow F of air out of the hairdressing appliance 1 in the direction of the mechanical engagement element 32 hair.
• the first and second air blowing outlet portions 2A, 2B are as such arranged substantially opposite one another, on either side of the mechanical engagement element 32 of the hair .
• said air blowing outlet portions 2A, 2B advantageously make it possible to blow the flow F of air from the root to the tip of the hair, in use of the hairdressing device 1 and the hair of the user being engaged with the mechanical engagement element 32 of the hair, so that the flow F of air thus blown contributes to closing the scales of the hair, and therefore to improving the appearance and the solidity of the latter.
• the first and second air blowing outlet portions 2A, 2B are shaped and configured to blow the flow F of air out of the hairdressing appliance 1 substantially tangential to the support surface 34 of the mechanical engagement element 32 of the hair, which surface 34 is preferentially curved (convex) towards the outside of the blowing head 7.
• the trajectory of the flow F of air blown by one and/or the another of said air blowing outlet portions 2A, 2B substantially follows the contour of the support surface 34 of the mechanical engagement element 32 of the hair (FIGS. 12 to 14).
• the hair tends to be pressed against, or at the very least attracted towards, the working element 31 of the blowing head 7 under the effect of the flow F of air, in particular by the Coanda effect.
• said air blowing outlet portions 2A, 2B are further shaped and configured to blow the flow F of air in the direction of the mechanical engagement element 32 of the hair, which leads to this that the hair is pressed against, or at the very least attracted towards, the support surface 34 of the mechanical engagement element 32 of the hair under the effect of the flow F of air.
• This contributes to an improvement in the hairstyling result, and in particular in the styling, brushing and/or even hair straightening effect which can be obtained using the hairdressing appliance 1 .
• said air blowing outlet portions 2A, 2B may each be formed by a plurality of distinct orifices made in a plurality of distinct protrusions 39 which protrude from the external surface 36 of the element work 31 (In the figures, only some of the protrusions 39 have been referenced, so as not to affect the readability of said figures).
• the protuberances 39 thus advantageously form bumps or teeth which contribute to combing, to separating, the hair in order to dry them better and/or to shape them, the flow F of air being divided by means of the plurality of separate orifices into a plurality of separate airflows directed closer to the hair.
• secondary mechanical engagement means for the hair are advantageously arranged between each protuberance 39 (not shown).
• Said secondary mechanical engagement means comprise, for example, tufts of bristles and/or barbs.
• Said secondary mechanical engagement means also contribute to the correct orientation of the working element 31 by taking up a part of the hair pulling force, as explained elsewhere, which further improves the ease and comfort of use of the hairdressing appliance 1.
• said air blowing outlet portions 2A , 2B then advantageously form a plurality of air outlet "scoops", that is to say bent tubular ducts, which divide the flow F of air and blow it tangentially to said support surface 34, preferably again in the direction of the mechanical engagement element 32 of the hair, so as to combine the aforementioned advantageous technical effects.
• said protuberances 39 define with the housing 35 complementary abutment means, to mechanically delimit the predetermined angular range, and therefore to mechanically limit the latitude of rotation, of oscillation, of the working element 31 with respect to the handle 4 .
• the hairdressing device 1 is designed and configured so that the working element 31 is capable of occupying a third angular position (FIGS. 1, 3 and 14 in particular), which is angularly intermediate to the first and second angular positions, and in which the first and second air direction outlets 16A, 16B of the air direction member 15 are simultaneously in aeraulic communication with the first and second air blower outlet portions 2A, 2B carried by the working element 31.
• a third angular position FIG. 1, 3 and 14 in particular
• the first and second air direction outlets 16A, 16B of the air direction member 15 are simultaneously in a Vogellic communication with the first and second air blower outlet portions 2A, 2B carried by the working element 31.
• the third angular position is a position angularly median to the first and second angular positions within the predetermined angular range. More advantageously still, the third angular position is a rest position, the working element 31 comprising a return member 40, preferably elastic, provided to automatically return the working element 31 to the third angular position when the element working 31 occupies one or the other of the first and second angular positions.
• the working element 31 in the absence of force exerted on the working element 31 by interaction between the hair of the user and the mechanical engagement element 32 of the hair, the working element 31 returns advantageously by itself automatically in the third intermediate angular position.
• the return member 40 may comprise a leaf spring (or leaf spring) working in bending or a spring rod working in bending ( Figures 4, 6, 8 and 10).
• the axis F-F' of rotation of the working element 31 relative to the handle 4 is parallel to, or coincides with, the axis A-A' of longitudinal extension of the handle 4.
• the kinematics of the working element 31 is thus simple and reliable, and allows particularly intuitive use of the hairdressing device 1.
• the axis F-F' of rotation of the working element 31 is parallel to the axis A-A' of longitudinal extension of the handle 4, and offset to the rear, set back, from said axis A-A' of longitudinal extension with respect to the working element 31.
• the axis A-A' of longitudinal extension of the handle 4 is thus positioned between the axis F-F' of rotation of the working element 31 and the external surface 31 of the working element 31 .
• Such a recessed arrangement advantageously allows the definition of a predetermined angular range (or angular displacement) relatively small, preferably according to the ranges of values already mentioned above, and therefore improved ergonomics, and this while retaining a head of blowing 7 of limited size.
• the air directing member 15 forms an air directing duct, as already mentioned above, which extends longitudinally from one end of the handle 4, and typically from the first end 5 of the handle 4, along an axis G-G' of longitudinal extension, which advantageously coincides with the axis B-B' of rotation of the air direction member 15, and which is preferably parallel to or coincides with the axis F-F' of rotation of the working element 31 .
• the axis G-G' of longitudinal extension of the air direction member 15 is parallel to the axis F-F' of rotation of the working element 31, and offset in front of said axis F-F' by rotation relative to the working element 31.
• the axis G-G' of longitudinal extension of the air direction member 15 is thus positioned between the axis F-F' of rotation of the working element 31 and the outer surface 36 of working element 31 .
• the axis G-G' of longitudinal extension of the air direction member 15 is parallel to, or more advantageously coincides with, the axis A-A' of longitudinal extension of the handle 4.
• the axis E-E' of average extension of the housing 35 coincides with the axis A-A' of longitudinal extension of the handle 4.
• the respective axes A-A', G-G' of the longitudinal extension of the handle 4 and of the direction of air 15, the axis E-E' of mean extension of the casing 35 and the axis F-F' of rotation of the working element 31 are coplanar in a plane P1.
• the axis F-F' of rotation of the working element 31 be secant to the axis A-A' of longitudinal extension of the handle 4 according to an angle for example comprised between 5° and 25° and preferably between 5° and 15°, while being preferably parallel to the axis E-E' of average extension of the housing 35.
• said air direction outlets 16A, 16B of the air direction member 15 are separate and distant from each other and are advantageously configured to direct, distribute, the flow F of air initiated by the blower module 8 in different average directions, preferably substantially opposite, as in the embodiment illustrated in the figures.
• said air direction outlets 16A, 16B are thus advantageously positioned generally diametrically opposite with respect to the axis G-G' of longitudinal extension of the air direction member 15.
• the air direction duct formed by the air direction member 15 comprises a hollow tube 18 of generally frustoconical shape (as envisaged above), one of which axis of revolution is advantageously formed by the axis G-G' of longitudinal extension of the air direction member 15.
• the axis G-G' of longitudinal extension of the air direction member 15 coincides here with the axis A-A' of longitudinal extension of the handle 4.
• the respective axes A-A', G-G' of longitudinal extension of the handle 4 and of the air direction member 15 are themselves merged with the axis E-E' of average extension of the casing 35.
• the axes A-A', G-G' of respective longitudinal extension of the handle 4 and of the air direction member 15, and the axis E-E' of mean extension of the housing 35 are moreover parallel to the axis F-F' of rotation of the working element 31.
• the latter is offset to the rear, set back, from said axis A-A' of longitudinal extension with respect to to the working element 31 (FIGS. 12 to 15).
• the axes A-A', G-G' of respective longitudinal extension of the handle 4 and of the air direction member 15, the axis E-E' of average extension of the housing 35 and the axis F-F' of rotation of the working element 31 are coplanar in a plane P1 (FIGS. 12 to 15), as envisaged above.
• the air direction duct is here housed inside the casing 35 of the blower head 7, and rotatably mounted with respect to the handle 4 to which it is connected.
• the air direction duct extends the air guide channel 10 provided inside the handle 4, via a large base of the frustoconical tube 18, at which is arranged the inlet of air 17 from the air direction duct.
• the useful passage section of the air flow F inside the tube 18 thus decreases along the axis G-G' of longitudinal extension of the air steering duct, moving away from the handle 4.
• the steering duct air advantageously comprises two single air direction outlets 16A, 16B, of identical respective useful sections, which are formed through the side wall of the hollow tube 18.
• Each of the air direction outlets 16A, 16B takes, in this exemplary embodiment, the form of an oblong slot which extends longitudinally in a plane bearing the axis G-G' of longitudinal extension of the air direction duct. air.
• the air direction outlets 16A, 16B are arranged substantially diametrically opposite with respect to the axis G-G' of longitudinal extension of the air direction duct.
• the generally tapered shape of the tube 18 of the air direction duct advantageously makes it possible to homogenize the profile of the flow F of air which circulates inside the tube 18.
• the blower head 7 advantageously comprises, in the embodiment illustrated as an example in the figures, a first and a second pipe portion 41, 42 provided to ensure aeraulic communication between the first and second outlets of the air direction 16A, 16B of the air direction member 15 with the first and second air blowing outlet portions 2A, 2B carried by the working element 31 when the air direction member 15 occupies said first air direction configuration.
• the blowing head 7 further comprises advantageously a third portion of duct 43 to put in aeraulic communication one or other of the air direction outlets 16A, 16B of the air direction member 15 with the second air blower outlet 3 carried by the housing 35, when the air direction member 15 occupies said second air direction configuration.
• said pipe portions 41, 42, 43 can advantageously be defined by an internal pipe device 44, which therefore constitutes a "three-way” internal pipe device (or “three-way distributor”).
• the internal channeling device 44 Housed within the housing 35 of the blowing head 7, the internal channeling device 44 is connected immobile to the handle 4 of the hairdressing appliance 1 and to said housing 35.
• the first and second air direction outlets 16A, 16B of the air direction member 15 are in aeraulic communication with the first and second duct portions 41, 42 respectively, said air direction outlets 16A, 16B being arranged in correspondence with a corresponding inlet of the first and second duct portions 41 , 42.
• close cooperation in rotation of portions 45A, 45B of the internal face (or “closure portions") of the working element 31 (and in particular of the side panels 31 A, 31 B of the latter) relative to the first and second pipe portions 41, 42 makes it possible, in the embodiment illustrated in the figures, to close off a respective outlet of said pipe portions 41, 42.
• the internal face portions 45A, 45B (or “blocking portions”) of the working element 31 only partially block the respective outlets of the first and second pipe portions 41, 42 when the latter occupies the third position. angular, so that the air flow F is divided into two equal air flow portions, each directed towards one of the first and second air blower outlet portions 2A, 2B carried by the element of job 31 ( Figure 14).
• one or the other of the first and second air direction outlets 16A, 16B of the air direction 15 is in a Vogellic communication with the second air blower outlet 3 of the blower head 7 via the third pipe portion 43, by matching the air direction outlet 16A , 16B concerned with an entry of the third portion of pipe 43.
• the p aroi of the tube 18 of the air directing member 15 then closes the first and second pipe portions 41, 42, while the other of the first and second air directing outlets 16A, 16B of the directing member air direction 15 is closed off by a wall portion 46 of the internal channeling device 44. In this way, any airflow communication is prohibited between the first and second air direction outlets 16A, 16B of the steering member of air 15 and the first and second air blowing outlet portions 2A, 2B carried by the working element 31 .
• the hairdressing appliance 1 is designed and configured to ensure passage of the air steering member 15 from one to the other of the first and second air steering configurations. air by rotation of the air direction member 15 through a predetermined angle Q of rotation equal to 90°.
• this is made possible in particular by the particular arrangement of the first and second air direction outlets 16A, 16B of the air direction member 15 and of the inlets of the first, second and third pipe portions 41, 42, 43 of the blowing head 7.
• the outer surface 36 of the working element 31 defines a first face of the blowing head 7, which first face therefore thus carries the first and second blowing outlet portions 2A, 2B of the first air blower outlet 2 of the blower head 7,
• the housing 35 advantageously defines a second face of the blower head 7, which second face carries said second air blower outlet 3 of the blowing head 7.
• the first and second outlet portions of air blower 2A, 2B of the first air outlet 2 on the one hand, and the second air blower outlet 3 on the other hand are preferably arranged on either side of a plane containing the 'axis E-E' of average extension of the housing 35.
• the air blowing outlet portions 2A, 2B of the first air outlet 2 on the one hand, and the second air blowing outlet 3 on the other hand are preferably arranged on either side of a plane P2 containing the axis F-F' of rotation of the working element 31.
• the first and second faces of the blowing head 7 are thus arranged on either side of said plane P2 containing the axis F-F' of rotation of the working element 31 .
• the axis F-F' of rotation of the working element 31 and the axis E-E' of mean extension of the casing 35 being advantageously parallel or coincident with the axis A-A' of longitudinal extension of the handle 2, the first and second faces of the blowing head 7 are thus advantageously arranged on either side of a plane containing the axis A-A' of longitudinal extension of the handle 4.
• the hairdressing appliance 1 is thus particularly ergonomic and easy to use.
• the user can thus easily use the hairdressing appliance 1 alternately according to the first mode of operation (first mode of blowing, working element 31 / first face of the blowing head 7 oriented opposite the hair ) or according to the second mode of operation (second blowing mode, second air blowing outlet 3 / second face of the blowing head 7 oriented opposite the hair), advantageously by a simple 180° rotation of the handle 4 of the device 1 .
• the button 20 of the push-push button 20 control mechanism 19 is preferably arranged at the level of the blowing head 7, and even more preferably at the level of the housing 35 of the latter. , as shown in Figs.
• at least the contact portion 22 of the button 20 protrudes from an outer surface of the housing 35 in the absence of thrust exerted on the button 20 (FIGS. 1 to 3, 9 and 16).
• the hairdressing appliance 1 further comprises a visual indicator 47 to provide the user with information as to which of said blowing modes is selected.
• a visual indicator 47 is all the more interesting in the preferential case, illustrated as an example in the figures, where the button 20 of the control mechanism 19 with the push-push button 20 is a monostable button, it i.e. a button occupying an always identical rest position, whatever the operating mode of the device 1 .
• the visual indicator 47 comprises at least one opening 48A (passing through, possibly closed by a transparent element) formed in a face 49 of the button 20 of the control mechanism 19 with the push-push button 20 and an indicator piece 50, which is housed at least partially in a free space 51 made inside the button 20 and which is mounted so as to move with respect to said opening 48A so as to be visible or not, or to be visible in a different way (from the outside of the device 1), through said opening 48A according to which of the blowing modes is selected.
• face 49 of button 20 in which said opening 48A is provided is a face which is visible to the user regardless of the blowing mode selected.
• the visual indicator 47 comprises at least two openings 48A, 48B (separate) provided in said face 49 of the button 20, the indicator part 50 being mounted to move relative to the button 20 so as to be visible or not. , or to be visible in a different way (from outside the device 1), alternately through one or the other of said openings 48A, 48B depending on which of said (at least two) blowing modes is selected.
• the visual indicator 47 may advantageously comprise as many openings 48A, 48B as the hairdressing appliance 1 has different blowing modes. Said openings 48A, 48B can have an identical shape (FIG. 17), or different, distinctive shapes.
• the indicator part 50 can be mechanically connected to the air direction member 15 via the rotary coupling part 23, and be immobilized in rotation with respect to the latter, so that the rotation of the rotary coupling part 23 causes a joint rotation of the indicator part 50.
• the indicator part 50 can advantageously comprise at least one arm 50A, which extends radially with respect to to an axis of rotation of the indicator piece 50, and of which an upper face, oriented in the direction of the face 49 of the button 20 carrying the openings 48A, 48B, is colored (or otherwise marked).
• the rotary coupling part 23 being advantageously immobilized in rotation with respect to the air direction member 15, the axis C-C' of rotation of the rotary coupling part 23 being coincident with the respective axis B-B' of rotation of the air direction member 15, a rotation of the air direction member 15 by said predetermined angle Q of rotation thus causes a corresponding rotation of the indicator part 50 by the same predetermined angle Q of rotation.
• the openings 48A, 48B are advantageously configured and arranged so that:
• the colored upper face of the arm 50A of the indicator piece 50 is arranged facing one of the openings 48A , 48B so as to be visible to the user via the latter, then
• the colored upper face of the arm 50A of the indicator part 50 is then arranged opposite the other of the openings 48A, 48B so as to be visible to the user via the latter.
• the predetermined angle Q of rotation is 90° in the example illustrated in the figures, and the air direction member 15 advantageously changes its angular configuration four times, alternating between the first and second air direction configurations, when it is rotated through 360° along its axis of rotation B-B' under the effect of four successive thrusts exerted on button 20.
• said openings 48A, 48B are advantageously arranged at a relative angle of 90° with respect to the combined axes B-B', C-C' of rotation of the air direction member 15, of the rotary coupling part 23 and of the indicator part 50.
• the indicator part 50 here comprises two arms 50A, 50B, which extend radially on either side of the axis of rotation of the indicator part, forming between them an angle of 180°, and whose upper face, oriented in direction of face 49 of button 20 carrying openings 48A, 48B, is colored (or otherwise marked).
• the air direction member 15 for example initially occupies the first air direction configuration (first blowing mode, FIGS. 11(a) and 17(a))
• the colored upper face of a first arm 50A of indicator part 50 can be arranged opposite a first opening 48A so as to be visible through the latter.
• the air directing member 15 occupies the second air directing configuration (second blowing mode, FIGS.
• the colored upper face of the second arm 50B is then arranged facing the second opening 48B so as to be visible through the latter.
• the air direction member 15 occupies the first air direction configuration as a result of a second rotation in the same direction of said predetermined angle Q of rotation of 90°
• the colored upper face of the second arm 50B of the part indicator 50 is arranged facing the first opening 48A.
• the air direction member 15 again occupies the second air direction configuration following a third rotation in the same direction of said predetermined angle Q of rotation of 90°
• the colored upper face of the first arm 50A is arranged opposite the second opening 48B.
• the air direction member 15 again occupies the first air direction configuration following a fourth rotation in the same direction of said predetermined angle Q of rotation of 90°
• the colored upper face of the first arm 50A is then again arranged opposite the first opening 48A as initially.
• said openings 48A, 48B can also be advantageously each associated with an additional visual marker 52 (for example a drawing or an inscription "M1" / "M2" , as in Figure 17) explaining the corresponding blowing mode.
• additional visual marker 52 for example a drawing or an inscription "M1" / "M2" , as in Figure 17
• the visual indicator 47 described above is a mechanical visual indicator, that is to say a visual indicator whose change of state is controlled purely mechanically to reflect the selected blowing mode, one could alternatively envisage the implementation of a luminous visual indicator, electrically controlled.
• the invention finds its application in the design and manufacture of hairdressing appliances, for example for domestic use, and more specifically portable hairdressing appliances designed to blow a flow of air in order to dry and/or facilitate the shaping of the hair.

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• Cleaning And Drying Hair (AREA)

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• 2021
  • 2021-06-16 FR FR2106396A patent/FR3124058A1/fr active Pending
• 2022
  • 2022-06-15 EP EP22744496.5A patent/EP4355166A1/de active Pending
  • 2022-06-15 CN CN202280042905.8A patent/CN117500406A/zh active Pending
  • 2022-06-15 WO PCT/FR2022/051157 patent/WO2022263775A1/fr active Application Filing
  • 2022-06-15 KR KR1020237045126A patent/KR20240021838A/ko unknown

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