EP2547229B1 - Accessory for hair treatment device - Google Patents
Accessory for hair treatment device Download PDFInfo
- Publication number
- EP2547229B1 EP2547229B1 EP10847662.3A EP10847662A EP2547229B1 EP 2547229 B1 EP2547229 B1 EP 2547229B1 EP 10847662 A EP10847662 A EP 10847662A EP 2547229 B1 EP2547229 B1 EP 2547229B1
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- EP
- European Patent Office
- Prior art keywords
- air
- nozzle
- accessory
- axis
- air deflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
Definitions
- This invention relates to an accessory for a hair treatment device, such as a hair dryer or a diffuser, and a hair treatment device: incorporating such an accessory.
- hair treatment devices such as hair dryers and curl diffusers, which are usually electrically operated.
- Such hair treatment devices usually generate heated air flow to dry or heat up the hair of a user, e.g. for styling purposes.
- Such conventional hair treatment devices usually have a handle: portion adjoining a barrel through which air exits the devices. The air (whether heated or not) exits the device in one direction only, usually along a longitudinal direction of the barrel. If the user would like to dry or heat up the hair of a larger area, he/she has to oscillate the device. In addition, if hot air is (e.g. inadvertently) only applied on a small portion of the hair of the user, that portion of the user's hair may be over-heated, thus damaging the hair.
- US Patent Application Publication No. US 2005/0072019 A1 discloses an oscillating hair dryer nozzle assembly which attaches to a hand held electric hair dryer.
- An oscillating nozzle is pivoted back and forth by forced air generated by an electric motorized fan within the hair dryer.
- a propeller receives the forced air and rotates a propeller shaft which is coupled to a gear reduction assembly.
- the gear reduction assembly converts the rotational motion of the propeller shaft into respective pivotal movement of the oscillating nozzle.
- the oscillating nozzle automatically redirects the air flow in a plane.
- the nozzle assembly is rotatably attached to the output barrel of a hair dryer body so that the oscillating nozzle can be rotated to pivot and redirect air flow in a different plane.
- a hair treatment accessory in accordance with claim 1 and a hair treatment device incorporating said accessory.
- Figs. 1 and 2 show a hair treatment device, being an electric hair dryer, and generally designated as 10, and an air deflector, being an accessory for a hair treatment device according to an embodiment of the present invention, and generally designated as 12.
- the air deflector 12 is detached from the hair dryer 10; and in Fig. 2 , the air deflector 12 is releasably engaged with the hair dryer 10.
- the hair dryer 10 and the air deflector 12 may collectively form a hair treatment device set, or part of a hair treatment device set including one or more other accessories which are selectively releasably engageable with the hair dryer 10.
- the hair dryer 10 has an air entrance 14 and an air exit 16 defining an air passage therebetween.
- An electrically operated air flow generator e.g. a fan
- a heating element e.g. heating filaments
- the heating element raises the temperature of the air entering the hair dryer 10 before exiting the hair dryer 10, e.g. for drying or heating up the hair of a user.
- the hair dryer 10 has a number of buttons 18a, 18b, 18c for controlling, e.g. the on and off of the hair dryer 10, the speed of operation of the air flow generator (and in turn the rate of flow of air out from the hair dryer 10), and the temperature of the heating element (and in turn the temperature of air flow exiting the hair dryer 10).
- the air deflector 12 has an air ingress 20 at one longitudinal end and an air egress 22 at an opposite longitudinal end.
- the air ingress 20 and the air egress 22 define an air passageway (not shown) therebetween.
- the longitudinal end of the air deflector 12 with the air ingress 20 is threaded, for releasable threaded engagement with the air exit 16 of the hair dryer 10.
- air exiting the air exit 16 of the hair dryer 10 will enter the air ingress 20 of the air deflector 12. It is possible to have the air deflector 12 releasably engageable with the air exit 16 of the hair dryer 10 in other manners, e.g. by force fit or friction fit.
- the air deflector 12 has a generally cylindrical housing 24 and a switch 26 the manner of operation and function of which will be discussed below.
- a nozzle 28 is provided within the air deflector 12.
- Figs. 7 to 12 show various views of the nozzle 28.
- the nozzle 28 has an air inlet 30 at one longitudinal end and an air outlet 32 at an opposite longitudinal end, defining an air conduit 34 therebetween. It: should be noted that:
- the nozzle 28 when the nozzle 28 is assembled within the air deflector 12, the nozzle 28 is freely hinged to the housing 24 for to-and-fro oscillation relative to the housing 24 about the axis of oscillation L-L within the confines of the housing 24, and within an angle of less than 180°.
- the air deflector 12 includes a housing 24 comprising a front cover 42, a body 44 and an end piece 46, with a common ventral longitudinal axis M-M.
- the nozzle 28 includes two diametrically opposite pins 48, 50.
- the pin 48 is received within an upper hole 52 of the body 44 and the pin 50 is received within a lower hole 53 (see Fig. 16 ) of the body 44.
- the nozzle 28 can thus freely oscillate: relative to the body 44 of the housing 24 about the axis L-L which joins the pins 48, 50.
- the switch 26 is slidable to and fro along a slot 54 on an outer surface 56 of the body 44 in a direction along the bi-directional arrow G-G in Fig. 15 , which is parallel to the central longitudinal axis M-M of the housing 24.
- the weight of the nozzle 28 is asymmetrically distributed about the longitudinal plane containing its central longitudinal axis A-A and its axis of oscillation L-L ensures that even when the nozzle 28 is at its centre position, the reaction force of air impinging on the inner surface of the nozzle 28 is not balanced, thus ensuring continuous oscillating movement of the nozzle 28. It is found in practice that the presence of the two rims 40 along the inner edge of the air outlet 32 of the nozzle 28 enhances the oscillating movement.
- the end piece 46 includes an outer shell 64 and an inner funnel 66 which are integrally formed with each other.
- An inner opening end 67 of the funnel 66 is received into the nozzle 28 through the air inlet 30 of the nozzle 28.
- all air from the hair dryer 10 will enter the end piece 46 (and thus the housing 24 of the air deflector 12) through the funnel 66.
- This also means that all air from the hair dryer 10 will enter the nozzle 28, to cause the nozzle 28 to oscillate. All such air will subsequently exit the air outlet 32 of the nozzle 28 and eventually the air egress 22 of the air deflector 32
- the switch 26 is engaged with a wire spring 58 with a bent recess 60.
- the switch 26 may be moved, e.g. manually by a user, to push the spring 58 so as to have the recess 60 engaged with a protrusion 62 extending upwardly from the nozzle 28, so as to prevent oscillation of the nozzle 28, thus locking the nozzle 28, even upon passing of air through the nozzle 28.
- the user may subsequently move the switch 26 away from the protrusion 62 so as to disengage the wire spring 58 from the protrusion, thus unlocking the nozzle 28, allowing it to oscillate upon passing of air therethrough.
- the air deflector 12 is discussed and shown as being engageable with the air exit 16 of the hair dryer 10 in a configuration in which the axis of oscillation L-L of the nozzle 28 is vertical (in the sense of Fig. 4 ), such that the nozzle 28 can oscillate horizontally (again in the sense of Fig. 4 ). It is envisaged that the air deflector 12 may be engaged with the air exit 16 of the hair dryer 10 in more than one configuration. In an alternative configuration, the air deflector 12 is engaged with the air exit 16 of the hair dryer 10 such that the axis of oscillation L-L of the nozzle 28 is rotated by 90°, and is thus horizontal (in the sense of Fig.
- the nozzle 28 can oscillate up and down (again in the sense of Fig. 4 ).
- the axis of oscillation L-L of the nozzle 28 may be slanted (in the sense of Fig. 4 ) such that the nozzle 28 can oscillate in a slanted manner (again in the sense of Fig. 4 ).
- the air deflector 12, when engaged with the air exit 16 of the hair dryer 10 may be freely rotatable relative to the hair dryer 10 about an axis substantially parallel to the central longitudinal axis M-M of the air deflector 12, including the central longitudinal axis M-M of the air deflector 12, thus bringing about simultaneous corresponding rotation of the nozzle 28.
- FIG. 17 to 26 A second exemplary air deflector, being an accessory for a hair treatment device according to another embodiment of the present invention, is shown Figs. 17 to 26 , generally designated as 12a.
- the structure of the air deflector 12a is very similar to that of the air deflector 12 discussed above.
- an air outlet 32a of a nozzle 28a hinged with and within the air deflector 12a for to-and-fro oscillation about an axis L a -L a relative to and within the confines of a housing 24a and within an angle of less than 180° is thicker on its left side 38a (in the sense of Fig. 20 ) than its right side 36a (again in the sense of Fig. 20 ).
- a switch 26a engaged with the air deflector 12a has a locking plate 68a with a recess 70a facing a protrusion 62a of and fixed to the nozzle 28a.
- Figs. 21 , 22 , 25 and 26 show the switch 26a. in an outer position in which the protrusion 62a of the nozzle 28a is clear of the recess 70a of the locking plate 68.
- the nozzle 28a can oscillate within the housing 24a of the air deflector 12a and about its axis L a -L a upon passing of air therethrough.
- the switch 26a is moved towards the nozzle 28a to its inner locking position, and when the nozzle 28a is in its centre position (as shown in Figs. 23 and 24 ), the protrusion 62a is received within the recess 70a. In such a scenario, the nozzle 28a cannot oscillate about the axis L a -L a relative to the housing 24a even upon passing of air therethrough.
- the effect of the weight of the nozzle 28,28a being asymmetrically distributed about the longitudinal plane containing its central longitudinal axis A-A and its axis of oscillation L-L, L a -L a is brought about by having one side of the nozzle 28, 28a thicker than the other side. It is envisaged that such an effect can also be brought about in the following manners:
- FIG. 27 is a cross sectional view of the air deflector 12, 12a, in which Fig. 27 shows the nozzle 28, 28a in a left-most position, Fig. 28 shows the nozzle 28, 28a in a centre position, and Fig. 29 shows the nozzle 28, 28a in a right-most position.
- the nozzle 28, 28a will oscillate about the axis L a -L a and within the confines of the housing 24a so as to continuously change the direction in which the air exits the air deflector 12, 12a, as shown by the arrows T, S, R in Figs. 27, 28 and 29 respectively.
- the air exiting the air deflector 12, 12a covers a wider area and a wider angle than in the absence of the air deflector 12, 12a.
- the electric hair dryer has a High-Speed mode of operation and a Low-Speed mode of operation.
- Frequency of Oscillation of Sample Air Deflector Mode of Operation Frequency of Oscillation High Speed 402 rounds per minute Low Speed 125 rounds per minute
- the user Given the very high speed of oscillation of the air deflector, the user will not feel pulses of air flow from the hair dryer, but a continuous stream of air flow of an even temperature and of a wider area of coverage than with the hair dryer alone and without the air deflector.
- the hair treatment device being an electric hair dryer. It is of course readily apparent to a person skilled in the art that the hair treatment device may be in other nature or forms, e.g. a diffuser.
- the air deflector is disclosed as being releasably engageable with the air exit of the electric hair dryer. It is envisaged that the present invention also encompasses the arrangement in which a built-in air deflecting mechanism is provided in the air passageway way of an electric hair treatment device, such as a hair dryer or diffuser.
- the hair treatment device e.g. a hair dryer or diffuser
- the hair treatment device includes an air entrance and an air exit defining an air passageway therebetween, an air flow generator to draw air into the device through the air entrance and to drive the air out of the device through the air exit, and a nozzle in the air passageway downstream of the air flow generator.
- the nozzle includes an air inlet and an air outlet, the air inlet being configured to receive all or at least part of the air flowing in the air passageway from the air flow generator, and thus from the air entrance, and the air outlet allows exit of the air received by the air inlet.
- the nozzle is engaged with (e.g.
- the hair treatment device for to-and-fro oscillation about an axis of oscillation and within an angle of less than 180° relative to and within the passageway to continuously change the direction of the air exiting the nozzle, and thus the hair treatment device.
- the nozzle is preferably positioned close to the air exit of the hair treatment device. All other features of the air deflector discussed above (e.g. the locking/unlocking mechanism, the shapes and construction of the nozzle, and different possible orientations of the nozzle relative to the hair treatment device) may also be incorporated in this arrangement. It is also envisaged that the nozzle may be freely rotatable relative to the passageway about an axis substantially parallel to the central longitudinal axis A-A of the nozzle, including the central longitudinal axis A-A of the nozzle.
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- Cleaning And Drying Hair (AREA)
Description
- This invention relates to an accessory for a hair treatment device, such as a hair dryer or a diffuser, and a hair treatment device: incorporating such an accessory.
- There are in existence various hair treatment devices, such as hair dryers and curl diffusers, which are usually electrically operated. Such hair treatment devices usually generate heated air flow to dry or heat up the hair of a user, e.g. for styling purposes. Such conventional hair treatment devices usually have a handle: portion adjoining a barrel through which air exits the devices. The air (whether heated or not) exits the device in one direction only, usually along a longitudinal direction of the barrel. If the user would like to dry or heat up the hair of a larger area, he/she has to oscillate the device. In addition, if hot air is (e.g. inadvertently) only applied on a small portion of the hair of the user, that portion of the user's hair may be over-heated, thus damaging the hair.
- US Patent Application Publication No.
US 2005/0072019 A1 discloses an oscillating hair dryer nozzle assembly which attaches to a hand held electric hair dryer. An oscillating nozzle is pivoted back and forth by forced air generated by an electric motorized fan within the hair dryer. A propeller receives the forced air and rotates a propeller shaft which is coupled to a gear reduction assembly. The gear reduction assembly converts the rotational motion of the propeller shaft into respective pivotal movement of the oscillating nozzle. The oscillating nozzle automatically redirects the air flow in a plane. In one embodiment, the nozzle assembly is rotatably attached to the output barrel of a hair dryer body so that the oscillating nozzle can be rotated to pivot and redirect air flow in a different plane. - It is thus an object of the present invention to provide an accessory for a hair treatment device and a hair treatment device with such an accessory in which the aforesaid shortcomings are mitigated or at least to provide a useful alternative to the public.
- According to the present invention there is provided a hair treatment accessory in accordance with
claim 1 and a hair treatment device incorporating said accessory. - Embodiments of an accessory for a hair treatment device and a hair treatment device with such an accessory according to the present invention will now be described, by way of examples only, with reference to the accompanying drawings in which:
-
Fig. 1 shows a perspective view of an electric hair dryer, being a hair treatment device, arid - an air deflector, being an accessory for a hair treatment device according to an embodiment of the present invention, detached from each other;
-
Fig. 2 shows a perspective view of the electric hair dryer and air deflector ofFig. 1 engaged with each other; -
Fig. 3 shows a perspective view of the air deflector ofFig. 1 ; -
Fig. 4 shows a front view of the air deflector ofFig. 3 ; -
Fig. 5 is a top view of the air deflector ofFig. 3 ; -
Fig. 6 is a side view of the air deflector ofFig. 5 ; -
Fig. 7 is a perspective view of a nozzle in the air deflector ofFig. 3 ; -
Fig. 8 is a front view of the nozzle ofFig. 7 ; -
Fig. 9 is a top view of the nozzle ofFig. 7 ; -
Fig. 10 is a side view of the nozzle ofFig. 9 ; -
Fig. 11 is a sectional view taken along the line A-A inFig. 9 ; -
Fig. 12 is a sectional view taken along the line B-B inFig. 10 ; -
Fig. 13 is a perspective view of the air deflector ofFig. 3 with part of the housing removed; -
Fig. 14 is another perspective view of the air deflector ofFig. 3 with another part of the housing removed; -
Fig. 15 is an exploded perspective view of the parts forming the air deflector ofFig. 3 ; -
Fig. 16 is a sectional exploded perspective of the parts forming the air deflector taken along the line C-C inFig. 5 ; -
Fig. 17 is a perspective view of a further air deflector, being an accessory for a hair treatment device according to another embodiment of the present invention, with part of the housing removed; -
Fig. 18 is a side view of the air deflector ofFig. 17 ; -
Fig. 19 is a top view of the air deflector ofFig. 17 ; -
Fig. 20 is a front view of the air deflector ofFig. 17 ; -
Fig. 21 is a top: view of the air deflector ofFig. 17 , in which a locking plate is in an unlocked position and the nozzle of the air deflector is at a left-most position; -
Fig. 22 is a top perspective view of the air deflector ofFig. 21 ; -
Fig. 23 is a top view of the air deflector ofFig. 17 , in which the locking plate is in a locking position and the nozzle of the air deflector is at a centre position; -
Fig. 24 is a top perspective view of the air deflector ofFig. 23 ; -
Fig. 25 is a top view of the air deflector ofFig. 17 , in which the locking plate is in an unlocked position and the nozzle of the air deflector is at a righ-most position; -
Fig. 26 is a top perspective view of the air deflector ofFig. 25 ; -
Fig: 27 is a sectional view of the air deflector ofFig. 3 or ofFig. 17 in which the nozzle is at a left-most position; -
Fig. 28 is a sectional view of the air deflector ofFig. 3 or ofFig. 17 in which the nozzle is at a centre position; and -
Fig. 29 is a sectional view of the air deflector ofFig. 3 or ofFig. 17 in which the nozzle is at a right-most position. -
Figs. 1 and 2 show a hair treatment device, being an electric hair dryer, and generally designated as 10, and an air deflector, being an accessory for a hair treatment device according to an embodiment of the present invention, and generally designated as 12. InFig. 1 , theair deflector 12 is detached from thehair dryer 10; and inFig. 2 , theair deflector 12 is releasably engaged with thehair dryer 10. Thehair dryer 10 and theair deflector 12 may collectively form a hair treatment device set, or part of a hair treatment device set including one or more other accessories which are selectively releasably engageable with thehair dryer 10. - The
hair dryer 10 has anair entrance 14 and anair exit 16 defining an air passage therebetween. An electrically operated air flow generator (e.g. a fan) is provided within thehair dryer 10 for drawling air from the outside environment into thehair dryer 10 via theair entrance 14 and driving the air through the air passage between theair entrance 14 and theair exit 16, and subsequently out of thehair dryer 10 to the outside environment via theair exit 16. A heating element (e.g. heating filaments) is also provided in the air passage and downstream of the air flow generator such that, in operation, the heating element raises the temperature of the air entering thehair dryer 10 before exiting thehair dryer 10, e.g. for drying or heating up the hair of a user. Thehair dryer 10 has a number ofbuttons 18a, 18b, 18c for controlling, e.g. the on and off of thehair dryer 10, the speed of operation of the air flow generator (and in turn the rate of flow of air out from the hair dryer 10), and the temperature of the heating element (and in turn the temperature of air flow exiting the hair dryer 10). - The
air deflector 12 has anair ingress 20 at one longitudinal end and anair egress 22 at an opposite longitudinal end. Theair ingress 20 and theair egress 22 define an air passageway (not shown) therebetween. The longitudinal end of theair deflector 12 with theair ingress 20 is threaded, for releasable threaded engagement with theair exit 16 of thehair dryer 10. By way of such an arrangement, air exiting theair exit 16 of thehair dryer 10 will enter theair ingress 20 of theair deflector 12. It is possible to have theair deflector 12 releasably engageable with theair exit 16 of thehair dryer 10 in other manners, e.g. by force fit or friction fit. - As shown in
Figs. 3 to 6 , theair deflector 12 has a generallycylindrical housing 24 and aswitch 26 the manner of operation and function of which will be discussed below. Anozzle 28 is provided within theair deflector 12. -
Figs. 7 to 12 show various views of thenozzle 28. Thenozzle 28 has anair inlet 30 at one longitudinal end and anair outlet 32 at an opposite longitudinal end, defining anair conduit 34 therebetween. It: should be noted that: - a. the area of the
air outlet 32 is smaller than the area of theair inlet 30; - b. when the
nozzle 28 is assembled to theair deflector 12, it can oscillate to and fro about an axis of oscillation L-L. When thenozzle 28 is assembled with theair deflector 12, the axis of oscillation L-L is fixed relative to thehousing 24; - c. as shown more clearly in
Fig. 8 , aright side 36 of the air outlet 32 (in the sense as shown inFig. 8 ) is thicker than theleft side 38 of theair outlet 32. The weight of thenozzle 28 is therefore not symmetrically distributed about a longitudinal plane containing its central longitudinal axis A-A as shown inFig. 9 and its axis of oscillation L-L as shown inFig. 8 . Put another way, the centre of gravity of thenozzle 28 lies away from the longitudinal plane containing its central longitudinal axis A-A and its axis of oscillation L-L. More particularly, the centre of gravity of thenozzle 28 lies rightward of the longitudinal plane containing its central longitudinal axis A-A and its axis of oscillation L-L, again in the sense as shown inFig. 8 ; and - d. two
narrow rims 40 are provided along the inner edge of theair outlet 32 of thenozzle 28. Both rims 40 extend inwardly towards the central longitudinal axis A-A of thenozzle 28. - As shown in
Figs. 13 and 14 , when thenozzle 28 is assembled within theair deflector 12, thenozzle 28 is freely hinged to thehousing 24 for to-and-fro oscillation relative to thehousing 24 about the axis of oscillation L-L within the confines of thehousing 24, and within an angle of less than 180°. - As shown more clearly in
Figs. 15 and16 , theair deflector 12 includes ahousing 24 comprising afront cover 42, abody 44 and anend piece 46, with a common ventral longitudinal axis M-M. Thenozzle 28 includes two diametrically opposite pins 48, 50. Thepin 48 is received within anupper hole 52 of thebody 44 and thepin 50 is received within a lower hole 53 (seeFig. 16 ) of thebody 44. Thenozzle 28 can thus freely oscillate: relative to thebody 44 of thehousing 24 about the axis L-L which joins thepins switch 26 is slidable to and fro along aslot 54 on anouter surface 56 of thebody 44 in a direction along the bi-directional arrow G-G inFig. 15 , which is parallel to the central longitudinal axis M-M of thehousing 24. - In operation, when the
air deflector 12 is engaged with theair exit 16 of thehair dryer 10, air (heated or otherwise) exiting theair exit 16 of thehair dryer 10 will be received through theair ingress 20 of theair deflector 12, through theair inlet 30 of thenozzle 28, through theair conduit 34, out of theair outlet 32 of thenozzle 28, and out of theair egress 22 of theair deflector 12. It is found that passing of air from theair inlet 30 to theair outlet 32 of the nozzle 28 (and thus through the nozzle 28) will set thenozzle 28 into to-and-fro oscillating movement about its axis L-L, thus continuously changing the direction of the air exiting thenozzle 28, and thus exiting theair deflector 12. The fact that the weight of thenozzle 28 is asymmetrically distributed about the longitudinal plane containing its central longitudinal axis A-A and its axis of oscillation L-L ensures that even when thenozzle 28 is at its centre position, the reaction force of air impinging on the inner surface of thenozzle 28 is not balanced, thus ensuring continuous oscillating movement of thenozzle 28. It is found in practice that the presence of the tworims 40 along the inner edge of theair outlet 32 of thenozzle 28 enhances the oscillating movement. - It can be seen from
Fig. 16 that theend piece 46 includes anouter shell 64 and aninner funnel 66 which are integrally formed with each other. An inner openingend 67 of thefunnel 66 is received into thenozzle 28 through theair inlet 30 of thenozzle 28. By way of such an arrangement, all air from thehair dryer 10 will enter the end piece 46 (and thus thehousing 24 of the air deflector 12) through thefunnel 66. This also means that all air from thehair dryer 10 will enter thenozzle 28, to cause thenozzle 28 to oscillate. All such air will subsequently exit theair outlet 32 of thenozzle 28 and eventually theair egress 22 of theair deflector 32 - The
switch 26 is engaged with awire spring 58 with a bent recess 60. In operation, when thenozzle 28 is in a centre position, theswitch 26 may be moved, e.g. manually by a user, to push thespring 58 so as to have the recess 60 engaged with aprotrusion 62 extending upwardly from thenozzle 28, so as to prevent oscillation of thenozzle 28, thus locking thenozzle 28, even upon passing of air through thenozzle 28. The user may subsequently move theswitch 26 away from theprotrusion 62 so as to disengage thewire spring 58 from the protrusion, thus unlocking thenozzle 28, allowing it to oscillate upon passing of air therethrough. - In the above discussion and the relevant drawings, the
air deflector 12 is discussed and shown as being engageable with theair exit 16 of thehair dryer 10 in a configuration in which the axis of oscillation L-L of thenozzle 28 is vertical (in the sense ofFig. 4 ), such that thenozzle 28 can oscillate horizontally (again in the sense ofFig. 4 ). It is envisaged that theair deflector 12 may be engaged with theair exit 16 of thehair dryer 10 in more than one configuration. In an alternative configuration, theair deflector 12 is engaged with theair exit 16 of thehair dryer 10 such that the axis of oscillation L-L of thenozzle 28 is rotated by 90°, and is thus horizontal (in the sense ofFig. 4 ), in which case thenozzle 28 can oscillate up and down (again in the sense ofFig. 4 ). In a still further configuration, the axis of oscillation L-L of thenozzle 28 may be slanted (in the sense ofFig. 4 ) such that thenozzle 28 can oscillate in a slanted manner (again in the sense ofFig. 4 ). In a yet further configuration, theair deflector 12, when engaged with theair exit 16 of thehair dryer 10, may be freely rotatable relative to thehair dryer 10 about an axis substantially parallel to the central longitudinal axis M-M of theair deflector 12, including the central longitudinal axis M-M of theair deflector 12, thus bringing about simultaneous corresponding rotation of thenozzle 28. - A second exemplary air deflector, being an accessory for a hair treatment device according to another embodiment of the present invention, is shown
Figs. 17 to 26 , generally designated as 12a. The structure of theair deflector 12a is very similar to that of theair deflector 12 discussed above. - One difference between the
air deflector 12a and theair deflector 12 is that, in theair detector 12a, anair outlet 32a of anozzle 28a hinged with and within theair deflector 12a for to-and-fro oscillation about an axis La-La relative to and within the confines of ahousing 24a and within an angle of less than 180° is thicker on itsleft side 38a (in the sense ofFig. 20 ) than itsright side 36a (again in the sense ofFig. 20 ). - A more important difference between the
air deflector 12a and theair deflector 12 resides in the locking mechanism. As shown more clearly inFigs. 21 to 26 , aswitch 26a engaged with theair deflector 12a has alocking plate 68a with arecess 70a facing aprotrusion 62a of and fixed to thenozzle 28a.Figs. 21 ,22 ,25 and 26 show the switch 26a. in an outer position in which theprotrusion 62a of thenozzle 28a is clear of therecess 70a of the locking plate 68. When theswitch 26a is in this unlocked position, thenozzle 28a can oscillate within thehousing 24a of theair deflector 12a and about its axis La-La upon passing of air therethrough. When theswitch 26a is moved towards thenozzle 28a to its inner locking position, and when thenozzle 28a is in its centre position (as shown inFigs. 23 and 24 ), theprotrusion 62a is received within therecess 70a. In such a scenario, thenozzle 28a cannot oscillate about the axis La-La relative to thehousing 24a even upon passing of air therethrough. - In the embodiments discussed above, the effect of the weight of the
nozzle nozzle - a. the nozzle is made by joining two body halves of symmetrical outer shapes, but of materials of different densities. The nozzle so formed is thus symmetrical in outer shape about the longitudinal plane containing its central longitudinal axis and its axis of oscillation, but its centre of gravity lies away from this plane and towards the body half made of the material with a higher density; for
- b. while the outer shape of the nozzle is symmetrical about the longitudinal plane containing its central longitudinal axis and its axis of oscillation, part of the material in one side of the nozzle is removed, so that the centre of gravity of the nozzle lies away from this plane and towards the side of the body from which no material is removed.
- Each of
Figs. 27 to 29 is a cross sectional view of theair deflector Fig. 27 shows thenozzle Fig. 28 shows thenozzle Fig. 29 shows thenozzle hair dryer 10 through thenozzle nozzle housing 24a so as to continuously change the direction in which the air exits theair deflector Figs. 27, 28 and 29 respectively. It can be seen that the air exiting theair deflector air deflector - Experiments have been carried out to assess the performance of an electric hair dryer attached with an air deflector according to the present invention, with the following basic experiment parameters:
- Input Voltage: 220 volts
- Output Wattage/Full Power: 1875 watts
- The electric hair dryer has a High-Speed mode of operation and a Low-Speed mode of operation.
Frequency of Oscillation of Sample Air Deflector Mode of Operation Frequency of Oscillation High Speed 402 rounds per minute Low Speed 125 rounds per minute - Given the very high speed of oscillation of the air deflector, the user will not feel pulses of air flow from the hair dryer, but a continuous stream of air flow of an even temperature and of a wider area of coverage than with the hair dryer alone and without the air deflector.
- The present invention has so far been discussed in the context of the hair treatment device being an electric hair dryer. It is of course readily apparent to a person skilled in the art that the hair treatment device may be in other nature or forms, e.g. a diffuser.
- In the foregoing discussion of the present invention, the air deflector is disclosed as being releasably engageable with the air exit of the electric hair dryer. It is envisaged that the present invention also encompasses the arrangement in which a built-in air deflecting mechanism is provided in the air passageway way of an electric hair treatment device, such as a hair dryer or diffuser.
- In such an alternative arrangement, the hair treatment device (e.g. a hair dryer or diffuser) includes an air entrance and an air exit defining an air passageway therebetween, an air flow generator to draw air into the device through the air entrance and to drive the air out of the device through the air exit, and a nozzle in the air passageway downstream of the air flow generator. The nozzle includes an air inlet and an air outlet, the air inlet being configured to receive all or at least part of the air flowing in the air passageway from the air flow generator, and thus from the air entrance, and the air outlet allows exit of the air received by the air inlet. The nozzle is engaged with (e.g. being freely hinged to) the hair treatment device for to-and-fro oscillation about an axis of oscillation and within an angle of less than 180° relative to and within the passageway to continuously change the direction of the air exiting the nozzle, and thus the hair treatment device. The nozzle is preferably positioned close to the air exit of the hair treatment device. All other features of the air deflector discussed above (e.g. the locking/unlocking mechanism, the shapes and construction of the nozzle, and different possible orientations of the nozzle relative to the hair treatment device) may also be incorporated in this arrangement. It is also envisaged that the nozzle may be freely rotatable relative to the passageway about an axis substantially parallel to the central longitudinal axis A-A of the nozzle, including the central longitudinal axis A-A of the nozzle.
- It should be understood that the above only illustrates examples whereby the present invention may be carried out, and that various modifications and/or alterations may be made thereto without departing from the scope of the appended claims.
Claims (5)
- An accessory (12, 12a) for a hair treatment device, said accessory including:a housing (24, 24a) having an air ingress (20) and an air egress (22) defining an air passage therebetween;anda nozzle (28, 28a) in said air passage, said nozzle having a central longitudinal axis (A-A);wherein said nozzle includes an air inlet (30) and an air outlet (32, 32a); andwherein said nozzle is oscillatable relative to said passage about an axis of oscillation (L-L, La-La) to continuously change the direction of the air exiting said nozzle in use;characterized in that the centre of gravity of said nozzle lies away from the longitudinal plane containing said central longitudinal axis and said axis of oscillation of said nozzle.
- An accessory (12) according to Claim 1 wherein said nozzle is positionable relative to said air passage in at least two configurations, and wherein said axis of oscillation of said nozzle differs by substantially 90° between said two configurations.
- An accessory (12) according to Claim 1 wherein said nozzle is rotatable relative to said passage about an axis substantially parallel to said central longitudinal axis of said nozzle.
- A hair treatment device (10) comprising
an air entrance (14) and an air exit (16) defining an air passage therebetween;
an air flow generator adapted to draw air into said device through said air entrance and to drive air out of said device through said air exit; and
an accessory in accordance with any one of claims 1 to 3. - A hair treatment device (10) according to Claim 4 wherein said air inlet of the accessory receives substantially all air flowing from said air flow generator.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2010/071050 WO2011113193A1 (en) | 2010-03-15 | 2010-03-15 | Accessory for hair treatment device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2547229A1 EP2547229A1 (en) | 2013-01-23 |
EP2547229A4 EP2547229A4 (en) | 2015-04-08 |
EP2547229B1 true EP2547229B1 (en) | 2016-09-07 |
Family
ID=44648411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10847662.3A Not-in-force EP2547229B1 (en) | 2010-03-15 | 2010-03-15 | Accessory for hair treatment device |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130000139A1 (en) |
EP (1) | EP2547229B1 (en) |
CN (1) | CN102639024B (en) |
WO (1) | WO2011113193A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011150689A1 (en) * | 2010-06-03 | 2011-12-08 | Yoe Han Hian | Air collecting nozzle for hair dryer |
CN202436376U (en) * | 2012-02-17 | 2012-09-19 | 广州市菲力克斯电器有限公司 | Long-short dual-purpose electric hair dryer |
FR3026926B1 (en) * | 2014-10-13 | 2016-12-23 | Seb Sa | HAIRSTYLE HAIR ACCESSORY AND HAIRSTYLE EQUIPMENT EQUIPPED WITH SUCH AN ACCESSORY |
KR101692484B1 (en) * | 2015-02-24 | 2017-01-04 | 유닉스전자주식회사 | Apparatus for vibrating wind and hairdryer having the same |
CN105559311B (en) * | 2016-02-01 | 2019-04-16 | 新联电器厂有限公司 | A kind of hair dryer that can change airflow effects |
JP6902383B2 (en) * | 2017-04-18 | 2021-07-14 | マクセルイズミ株式会社 | Hair dryer |
CN112006412B (en) * | 2018-10-31 | 2023-01-31 | 深圳素士科技股份有限公司 | Hair drying device |
US11547193B2 (en) * | 2019-06-11 | 2023-01-10 | Elchim S.P.A. | Diffuser device for cosmetic liquids for hair dryers |
JP7494042B2 (en) * | 2020-07-30 | 2024-06-03 | 株式会社マキタ | Connection structure between power tool and attachment |
JP1706981S (en) * | 2021-03-02 | 2022-02-07 | Accessories for hair care equipment | |
JP1706980S (en) * | 2021-03-02 | 2022-02-07 | Accessories for hair care equipment |
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US4019260A (en) * | 1975-06-04 | 1977-04-26 | Sperry Rand Corporation | Hair treatment method and device |
EP0284690A2 (en) * | 1987-03-30 | 1988-10-05 | Tai-Her Yang | Hair dryer |
US5054211A (en) * | 1990-11-05 | 1991-10-08 | Shulman Burt H | Hair dryer attachment for creating an orbiting stream of air |
GB2281035A (en) * | 1993-08-18 | 1995-02-22 | John Mcarthur | Hair dryer deflector nozzle |
US5473824A (en) * | 1994-03-21 | 1995-12-12 | Conair Corporation | Rotating outlet for hair dryers |
US5765292A (en) * | 1997-02-28 | 1998-06-16 | China Pacific Trade Ltd. | Hair dryer attachment |
FR2817450B1 (en) * | 2000-12-06 | 2003-02-14 | Seb Sa | HAIR DRYER WITH DEVICE FOR VARIATION OF THE AIR FLOW OUTLET SECTION |
US6739071B2 (en) * | 2002-03-01 | 2004-05-25 | Andis Company | Combined diffuser and concentrator for a hair dryer |
US6966125B2 (en) * | 2003-09-18 | 2005-11-22 | Shoot The Moon Products Ii, Llc | Automatic air movement for hair dryers |
US7178261B2 (en) * | 2004-03-05 | 2007-02-20 | Wahl Clipper Corporation | Air pulsing attachment for handheld dryer |
WO2005087039A1 (en) * | 2004-03-10 | 2005-09-22 | Hobe Robert D | Hair conditioner applicator for use with a hair dryer |
FR2892278B1 (en) * | 2005-10-25 | 2007-11-30 | Seb Sa | HAIR DRYER COMPRISING A DEVICE FOR MODIFYING THE GEOMETRY OF THE AIR FLOW |
CN2933112Y (en) * | 2006-08-12 | 2007-08-15 | 东莞东城梨川伟廷电器制品厂 | Vibrating-wind structure of hair drier |
JP4420059B2 (en) * | 2007-04-24 | 2010-02-24 | パナソニック電工株式会社 | Hair dryer |
WO2009094519A1 (en) * | 2008-01-25 | 2009-07-30 | Conair Corporation | Conditioning attachment for hair dryer |
US8082679B1 (en) * | 2009-06-22 | 2011-12-27 | Carol Arnim | Magnetically directed hair dryer nozzle |
-
2010
- 2010-03-15 CN CN201080054649.1A patent/CN102639024B/en active Active
- 2010-03-15 WO PCT/CN2010/071050 patent/WO2011113193A1/en active Application Filing
- 2010-03-15 EP EP10847662.3A patent/EP2547229B1/en not_active Not-in-force
- 2010-03-15 US US13/500,192 patent/US20130000139A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN102639024B (en) | 2016-01-20 |
CN102639024A (en) | 2012-08-15 |
EP2547229A1 (en) | 2013-01-23 |
US20130000139A1 (en) | 2013-01-03 |
EP2547229A4 (en) | 2015-04-08 |
WO2011113193A1 (en) | 2011-09-22 |
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