EP4262671A1 - Tete de massage a entrainement optimise pour appareil de massage et appareil de massage equipe d'une telle tete - Google Patents
Tete de massage a entrainement optimise pour appareil de massage et appareil de massage equipe d'une telle teteInfo
- Publication number
- EP4262671A1 EP4262671A1 EP21851816.5A EP21851816A EP4262671A1 EP 4262671 A1 EP4262671 A1 EP 4262671A1 EP 21851816 A EP21851816 A EP 21851816A EP 4262671 A1 EP4262671 A1 EP 4262671A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- massage
- axis
- rollers
- rotation
- head
- 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.)
- Pending
Links
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H15/0078—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains power-driven
- A61H15/0085—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains power-driven hand-held
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- A—HUMAN NECESSITIES
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H15/0078—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains power-driven
-
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
- A61H7/002—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for by rubbing or brushing
- A61H7/004—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for by rubbing or brushing power-driven, e.g. electrical
- A61H7/005—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for by rubbing or brushing power-driven, e.g. electrical hand-held
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
- A61H7/007—Kneading
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
- A61H7/007—Kneading
- A61H2007/009—Kneading having massage elements rotating on parallel output axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
- A61H2015/0014—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis cylinder-like, i.e. rollers
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
- A61H2015/0014—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis cylinder-like, i.e. rollers
- A61H2015/0021—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis cylinder-like, i.e. rollers multiple on the same axis
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
- A61H2015/0057—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis the axis being resiliently biased
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0153—Support for the device hand-held
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0157—Constructive details portable
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- A—HUMAN NECESSITIES
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
- A61H2201/1215—Rotary drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1238—Driving means with hydraulic or pneumatic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1657—Movement of interface, i.e. force application means
- A61H2201/1664—Movement of interface, i.e. force application means linear
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1657—Movement of interface, i.e. force application means
- A61H2201/1664—Movement of interface, i.e. force application means linear
- A61H2201/1666—Movement of interface, i.e. force application means linear multidimensional
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- A—HUMAN NECESSITIES
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/02—Head
- A61H2205/022—Face
Definitions
- the present invention relates to the general technical field of massage heads for skin massage devices, in particular for domestic use, and massage devices equipped with such massage heads.
- the present invention relates more particularly to a massage head for a massage device comprising a motor and a transmission means for transmitting to the massage head a rotational movement of the motor.
- the present invention also relates to a massage device comprising a massage head, a motor and a transmission means for transmitting rotational movement from a shaft of the motor to the massage head.
- Skin massagers intended to be held in the hand are already known, and which generally consist of a body fitted with a motor and a massage head which comprises massage rollers rotated by the motor, through a transmission mechanism.
- the massage head of these devices comprises a pair of massage rollers, the application of which to the skin makes it possible, when they are rotated, to massage the latter.
- the massage head of these devices is designed to ensure a rotation of the massage rollers in the opposite direction.
- the known massage heads and devices often proves to be complex and not very ergonomic, in particular by a person lacking particular professional skills in the field of skin massage.
- the known massage heads and devices sometimes encounter problems of mechanical reliability, with a risk of breakage, in the event of application of significant forces against the rollers during the massage.
- the heads and Known massage devices do not always make it possible to perform a mechanical massage of the skin that is as effective as desired.
- the massage carried out using these known massage heads and devices can sometimes prove to be unpleasant or even painful, in particular in the case of treatment of a zone of skin of the face.
- the known massage heads and devices are often of relatively complex design, which tends to make them expensive to manufacture and to negatively impact their reliability and robustness in use.
- the objects assigned to the invention therefore aim to propose a new massage head for a massage device, as well as a new massage device, the use of which is particularly practical, ergonomic and intuitive, in particular for use by a person without special professional skills in skin massage.
- Another object of the invention aims to provide a new massage head for a massage device, as well as a new massage device, which allow the realization of an effective and pleasant massage of the skin.
- Another object of the invention aims to provide a new massage head for a massage device, as well as a new massage device, which are particularly reliable and robust.
- Another object of the invention aims to provide a new massage head for a massage device, as well as a new massage device, the design of which is particularly simple.
- Another object of the invention aims to provide a new massage head for a massage device, as well as a new massage device, which have a particularly well-controlled bulk.
- Another object of the invention aims to provide a new massage head for a massage device, as well as a new massage device, which are relatively inexpensive to manufacture.
- Another object of the invention aims to provide a new massage head for a massage device, as well as a new massage device, the use of which is particularly safe.
- a massage head for a massage device comprising a motor and a transmission means for transmitting to the massage head a rotational movement of the motor, said transmission means comprising an output shaft mounted for rotation along an output axis, said massage head comprising a first massage roller and a second massage roller, which are intended to come into contact with the skin of a user and extend respectively longitudinally along a first axis and a second axis, and a drive system for simultaneously rotating said first and second massage rollers in a counter-rotating manner respectively along said first axis and said second axis, said drive system comprising a device for bevel gear for transforming the rotational movement of the output shaft along the output axis into a rotational movement of the first and second wheels Massage rollers along said first and second axes respectively, said first and second axes being inscribed in a plane secant to said output axis.
- a massage device comprising a massage head in accordance with the invention, said device comprising a motor and a transmission means for transmitting a rotational movement from the motor to the massage head, said transmission means comprising an output shaft rotatably mounted along an output axis.
- FIG. 1 illustrates schematically, and according to a perspective view, a preferred embodiment of a massage head according to the invention, the massage rollers being arranged in a position of minimal separation
- FIG. 2 illustrates schematically, and according to an exploded top view, the massage head of FIG. 1 .
- the half-shells of the casing forming the frame of the massage head and the second support means for the second massage roller are illustrated offset laterally so as to highlight part of the system for driving the massage rollers in rotation;
- FIG. 1 illustrates schematically, and according to a perspective view, a preferred embodiment of a massage head according to the invention, the massage rollers being arranged in a position of minimal separation
- FIG. 2 illustrates schematically, and according to an exploded top view, the massage head of FIG. 1 .
- the half-shells of the casing forming the frame of the massage head and the second support means for the second massage roller are illustrated offset laterally so as to highlight part of the system for driving the massage rollers in rotation;
- FIG. 3 schematically illustrates, and according to an exploded front view, the massage head of FIGS. 1 and 2.
- the half-shells of the housing are moved laterally and the second support means is offset vertically, so as to put evidence of part of the rotation drive system for the massage rollers;
- FIG. 4 schematically illustrates, and according to a sectional view in a median plane identified by arrows in FIG. 2, the massage head of FIG. 1.
- An example of an internal casing element is represented very schematically ;
- Figure 5 illustrates schematically, and in a top view, the massage head of Figure 1, the massage rollers being this time arranged in a position of maximum separation;
- FIG. 6 schematically illustrates, and according to a side view, the massage head of FIG. 5.
- FIG. 7 illustrates schematically, and according to a perspective side view, the massage head of FIG. 5, the half-shells of the casing and the second support means of the second massage roller having been omitted;
- Figure 8 illustrates schematically, and in a side view, the massage head of Figure 1, removably attached to a working end of a main body forming a handle.
- Figure 8 illustrates, as such, a preferred embodiment of a massage device according to the invention;
- FIG. 9 illustrates schematically, and according to a view in longitudinal median section, the massage head and the massage apparatus of FIG. 8;
- Figure 10 illustrates schematically, and in a side view, the massage head and the massage device of Figure 8, the massage rollers being arranged in a position of maximum separation, as in Figures 5 to 7.
- the invention relates, on the one hand, to a massage head 1 for a massage device 2, a preferred non-limiting embodiment of which is illustrated in FIGS. 1 to 10.
- the invention relates, on the other hand, to a device massager 2 comprising such a massage head 1, and an embodiment of which is illustrated for example in Figures 8 to 10.
- the massage head 1 and the massage device 2 according to the invention will be described in parallel for the sake of simplicity.
- head 1 and device 2 for skin massage intended to mechanically manipulate the skin, preferably of the face, preferably of a user or human user.
- the head 1 and the device 2 for massage according to the invention are intended for use in a domestic setting by a person (or user) without particular professional skills in personal care and more specifically in skin massage.
- Their use is not particularly limited in terms of areas of the body likely to be treated, although the massage head 1 according to the embodiment illustrated in FIGS. 1 to 10, as well as the massage device 2 illustrated in FIGS. 8 to 10, are more preferably intended for massaging an area of facial skin.
- Head 1 and device 2 for massage are particularly intended for use on oneself, that is to say that the user of head 1 and device 2 for massage is the recipient of the skin massage.
- the massage device 2 concerned by the invention is a portable, manual device, that is to say intended to be held and used by hand, preferably by a person using the massage device 2 to massage his own skin.
- the head 1 and the massage device 2 according to the invention can be implemented by a person to mechanically manipulate the skin of a third person, without departing from the scope of the invention.
- the massage device 2 preferably comprises a main body 3 forming a handle 4 (or handle) for manual gripping.
- the main body 3 preferably extends along an average direction of longitudinal extension A-A'.
- the main body 3 thus extends mainly in a single direction of space, corresponding to the mean direction of longitudinal extension A-A'.
- the handle 4 preferably has a slender, slender shape, so that it can be grasped with the whole hand by an adult user.
- the main body 3 extends longitudinally, in said mean direction of longitudinal extension A-A', between a first end 5, said end work, at which the massage head 1 is fixed, arranged, or at least is intended to be fixed, and a second end 6 opposite.
- the massage head 1 advantageously extends the main body 3 beyond the working end 5 of the latter.
- the distance separating said first and second ends 5, 6, corresponding to the length of said main body 3, is sufficient to allow all the fingers of one hand of a user to close on the handle 4.
- the body main 3 is for example of generally tubular shape (with for example a circular or elliptical mid-section, constant or not), and is shaped and sized to ensure a good grip by the user.
- Said main body 3 can, for example, be formed of two half-shells 7A, 7B assembled together, preferably in a watertight manner, so as to define on the one hand an outer surface forming a zone for gripping the massage device 2 by the user and, on the other hand, an internal space within which can be housed various functional elements necessary for the proper functioning of the massage device 2 and, in particular, to that of massage head 1 . If such an elongated conformation of the main body 3 of the massage device 2 and such an arrangement of the massage head 1 at one working end 5 of said main body 3 promotes easy handling of the massage device 2 by a user, the invention is however not limited to these preferred conformation and arrangement and other conformation and arrangement could of course be envisaged without departing from the scope of the invention.
- the massage head 1 comprises a first massage roller 8 and a second massage roller 9, which are intended to come into contact with the skin of a user in order to provide a mechanical massage of the skin.
- the first and second massage rollers 8, 9 extend respectively longitudinally along a first axis (or first direction) BB' and a second axis (or second direction) C-C', the first axis B-B' forming an axis along which the first massage roller 8 is rotatably mounted, the second axis C-C' respectively forming an axis along which the second massage roller 9 is rotatably mounted.
- the first axis B-B' of extension and rotation of the first massage roller 8 is substantially parallel to the second axis C-C' of extension and of rotation of the second massage roller 9.
- each of the massage rollers 8, 9 is of substantially cylindrical general shape with a circular base so that, the first and second axes B-B', C-C' being advantageously parallel, the space which separates the respective surfaces of the first and second massage rollers 8, 9 is constant along the first and second axes B-B', C-C'.
- first and/or the other of said first and second massage rollers 8, 9 could turn out to be advantageous, depending on the intended applications, for one and/or the other of said first and second massage rollers 8, 9 to have a different general shape, for example a convex or concave shape.
- the surface (or outer part) of the first and/or second massage rollers 8, 9 can have a substantially smooth appearance or, on the contrary, have different shapes or structures, such as, for example , streaks, beads, hooks, barbs, paddles or the like, in particular to promote grip of the skin by at least one of the massage rollers 8, 9.
- first and/or second rollers 8, 9 can be made of a material that is substantially hard and devoid of elasticity, or on the contrary in a material that has a certain elasticity (for example elastomer) to promote grip of the skin by at least one of the massage rollers 8, 9 and improve the comfort of use.
- the massage head 1 advantageously comprises a frame 10 (or chassis), which preferably forms a housing 11, as in the embodiment illustrated in the figures.
- a casing 11 can then advantageously define at least part of the visible outer envelope of the massage head 1.
- the casing 11 can for example be formed of two half-shells 12A, 12B (for example, plastic for reasons of cost and weight) assembled together by screwing, or by any other suitable means (for example, by gluing, welding, snap-fastening, etc.).
- housing 11 could be formed from a single, monolithic shell.
- the frame 10 thus advantageously defines a fixed frame of reference for the massage head 1, with respect to which the first and second massage rollers 8, 9 are therefore rotatable along their respective first and second axes B-B', C-C' of rotation.
- the massage head 1 also comprises a drive system 13 for simultaneously rotating the first and second massage rollers 8, 9 respectively along said first axis B-B' and said second axis C-C' of extension and rotation.
- the drive system 13 is thus designed to actively transmit the rotational movement of a motor 14 simultaneously to the two massage rollers 8, 9 (thus forming a system active training).
- the drive system 13 is housed within the housing 11 which here advantageously forms the frame 10.
- the massage head 1 advantageously comprises an application surface 15 intended to be positioned facing (and preferably in contact with) the user's skin surface, the first and second massage rollers 8, 9 protruding at least partially outside of (i.e. beyond) said application surface 15.
- the massage device 2 concerned by the invention comprises a motor 14 (or means of motorization), advantageously on board, and preferably housed within said main body 3 (FIG. 9), and therefore outside the massage head 1 .
- a motor 14 for example, a DC motor, preferably servo-controlled.
- the massage device 2 also comprises a transmission means 16 for transmitting to the massage head 1 a rotational movement of the motor 14, or more exactly of a rotor of the motor 14 (FIG. 9).
- said transmission means 16 is designed and configured to cooperate with the drive system 13 in rotation of the first and second massage rollers 8, 9, so that the rotation of the motor 14 causes a in corresponding rotation of said first and second massage rollers 8, 9.
- the transmission means 16 notably comprises an output shaft 17, which is output D-D' and via which the transmission means 16 is mechanically connected (or is at least capable of being connected) to the drive system 13 of the first and second massage rollers 8, 9 of the massage head 1 to ensure the rotation of the latter ( Figure 9).
- the transmission means 16 may include a geared motor to adapt the speed of rotation of the output shaft 17 to the need for use.
- the massage device 2 can also optionally comprise a control unit (electromechanical or electronic) for the general operation of the massage device 2 via which the user can start / stop the massage device. 2, adjust the general mode of operation or even adjust certain specific parameters (for example, the speed of rotation of the massage rollers 8, 9, the direction of rotation of the massage rollers 8, 9, etc.).
- the unit of control can advantageously be arranged in the main body 3 of the massage device 2 and be accessible to the user via a control panel 18.
- the massage device 2 can also optionally include an electrical power supply unit 19.
- This latter may, for example, comprise a replaceable or rechargeable electric accumulator battery arranged within the main body 3 of the massage device 2 to allow autonomous, nomadic use of the latter, or comprise an electrical transformer, on board or no, and intended to be connected to a conventional electrical outlet via an external power cord (not shown).
- the output axis D-D' of the output shaft 17 of the transmission means 16 is then advantageously arranged so that the average direction of longitudinal extension A-A' of the main body 3 of the massage device 2 is parallel to, or coincides with, said output axis D-D' of the output shaft 17 (FIGS. 8 to 10). This makes it possible in particular to simplify the design of the massage device 2 and to control its size.
- the main body 3 and the massage head 1 of the massage device 2 are fixed to each other, so that the massage head 1 does not cannot, in normal use, be separated from said main body 3 by the user.
- the massage head 1 is removable, detachable from the main body 3.
- the massage device 2 then comprises at this title of the removable attachment means (or coupling means) of the massage head 1 to said main body 3, for example by interlocking complementary reliefs respectively carried by the massage head 1 and the main body 3, or even by screwing, by force fitting or by any other suitable known fixing technique.
- first fixing means 20 for example hooks provided in the housing 11
- second fixing means 21 for example pivoting bead levers, mounted on spring and controlled by buttons projecting of the main body 3
- the massage head 1 is then removable, and can thus be temporarily assembled to the main body 3, then subsequently separated from the main body 3 by the user, for example at purposes of maintenance and/or replacement of the massage head 1.
- the massage device 2 can thus constitute a device 2 with an interchangeable massage head 1.
- the main body 3 of the massage device 2 defines a housing 22 shaped and configured to receive the massage head 1 in a removable manner, and thus fix the latter to the main body 3 in a reversible, temporary manner.
- said housing 22 is advantageously defined at the level of the working end 5 of the main body 3, so that the massage head 2 can thus be assembled, fixed, to the main body 3 in the vicinity of said working end 5 of the latter.
- Said housing 22 is thus advantageously delimited by a side wall 23 which defines a free space within which at least one fixing portion 24 of the massage head 1 can be received.
- the massage head 1 (or at the very least the frame 10/housing 11 of the latter) extends in the mean direction of extension E-E' between a proximal end 25, at the level of which the massage head 1 is fixed (non-removable variant) or is intended to be fixed (removable variant) to the main body 3 of the massage device 2, and an opposite distal end 26, at the level of, or beyond which is positioned the application surface 15 of the massage head 1 against the skin.
- the massage head 1 when the massage head 1 is attached to the main body 3 of the massage device 2 and the latter is held in the hand by the user, the proximal end 25 of the massage head 1 is the closest of the user's hand and furthest from the area of skin to be massaged by the latter, while the distal end 26 is farthest from the user's hand and closest to the area of skin to be massaged. massage of the latter.
- the massage head 1 when the massage head 1 is fixed to the main body 3 of the massage device 2, at the working end 5 of said main body 3, the mean direction of extension E-E' of the massage head 1 is parallel at, or merged with, the mean direction of longitudinal extension A-A' of the main body 3 (FIGS. 8 to 10).
- the direction mean of extension E-E' of the massage head 1 is parallel to, or coincides with, on the one hand the mean direction of longitudinal extension AA' of the main body 3 and, on the other hand, the exit axis D-D' of the output shaft 17 of the transmission means 16 of the rotational movement of the motor 14 to the massage head 1 (FIGS. 8 to 10).
- the drive system 13 of the massage head 1 is more specifically designed to simultaneously drive the first and second massage rollers 8, 9 in rotation in a counter-rotating manner.
- the drive system 13 is provided to ensure the simultaneous rotation of the first and second massage rollers 8, 9, respectively along the first axis B-B' of rotation and the second axis C-C' of rotation, in opposite directions of rotation, that is to say reversed, advantageously at the same speed of rotation.
- the drive system 13 advantageously prohibits said first and second rollers 8, 9 from any rotation in the same direction, as well as any free rotation along their axis B-B', C-C' of extension and respective rotation.
- the drive system 13 is designed to drive the first and second massage rollers 8, 9 in rotation so that, in a plan view perpendicular to the first and second axes B-B', C-C' of rotation with the first and second massage rollers 8, 9 arranged at the top, the part of the massage roller located on the left which protrudes from the application surface 15 rotates in the anti-trigonometric direction (or clockwise direction), while the part of the massage roller located on the right which protrudes from the application surface 15 rotates counterclockwise (or counterclockwise).
- the massage head 1 when the first and second massage rollers 8, 9 are positioned in contact with the skin, their rotational movement causes a wrinkling effect of the skin between the first and second rollers.
- massagers 8, 9. The massage head 1 can then advantageously be used to implement the so-called "palpate-roll” massage technique which notably allows the activation of venous and lymphatic circulation and the softening of the skin, by stimulating fibroblasts and accelerating the production of collagen, elastin and hyaluronic acid, by kneading the skin.
- the drive system 13 is designed to drive said first and second massage rollers 8, 9 in rotation so that, in a plan view perpendicular to the first and second axes B-B', C-C' of rotation with the first and second massage rollers 8, 9 arranged at the top, the part of the massage roller located at left that protrudes from the application surface 15 rotates counterclockwise (or counterclockwise), while the part of the massage roller located on the right that protrudes from the application surface 15 rotates anti-trigonometric (or clockwise).
- the massage rollers 8, 9 when the massage rollers 8, 9 are positioned in contact with the skin, their rotational movement causes a stretching effect (“stretching”) of the skin.
- the drive system 13 is designed to drive said first and second massage rollers 8, 9 in rotation alternately according to the first (folding) and the second (stretching) variants above. , according to the choice of the user (for example, by action of the latter on the control panel 18).
- the drive system 13 of the massage rollers 8, 9 is designed and configured to drive the first and second massage rollers 8, 9 in rotation, respectively according to the first and the second axis B-B', C-C' of rotation, at identical rotation speeds.
- the first and second axes B-B', C-C' of extension and rotation of the first and second massage rollers 8, 9 are inscribed in a plane Pi which is secant to the output axis D-D 'of the output shaft 17 of the transmission means 16 of the rotational movement of the motor 14 to the massage head 1, when the massage head 1 is fixed (either permanently or temporarily) to the main body 3 to form the massage device 2 (FIGS. 8 to 10).
- the drive system 13 in rotation of the first and second massage rollers 8, 9 comprises, in return, a bevel gear device to transform the rotational movement of the output shaft 17 along the output axis D-D 'in a rotational movement of the first and second massage rollers 8, 9 respectively along the first and second axes B-B', C-C' of rotation.
- the drive system 13 is therefore designed and configured to transform, by means of said bevel gear device, an input rotational movement of the massage head 1, according to an input rotation axis which is secant to the plane Pi in which the first and second axes B-B', C-C' of rotation of the first and second massage rollers 8, 9 are inscribed, in a movement of rotation of the first and second massage rollers 8, 9 respectively along the first and second axes B-B', C-C' of rotation.
- said axis of rotation at the input of the massage head 1 advantageously coincides, co-linear, with the output axis D-D' of the output shaft 17 of the means transmission of the rotational movement of the motor 14 to the massage head 1.
- said axis of rotation at the entrance to the massage head 1 is then parallel to, or coinciding with, the mean direction of extension E-E' of the head massager 1 between its proximal 25 and distal 26 ends (FIGS. 8 to 10).
- the massage head 1 and the massage device 2 equipped with it are particularly simple, ergonomic and intuitive to use for the user.
- the main body 3, forming the handle 4 of the massage device 2 extends along said mean direction of longitudinal extension AA' between said working end 5 at which the massage head 1 is fixed and said second end 6 opposite, the output axis D-D 'of the output shaft 17 of the transmission means 16 being parallel to, or coinciding with, said mean direction of longitudinal extension A-A' of the main body 3
- the massage head 1 can then define a plane P2 of application (or plane of contact) of the massage rollers 8, 9 against the skin which is ideally oriented with respect to the general conformation of the massage device 2 and to its handling.
- the user can in fact thus maintain in a simple, intuitive and ergonomic manner the massage rollers 8, 9 against the area of his skin to be massaged, the wrist of the hand holding the handle remaining naturally aligned in the extension of the corresponding arm.
- the massage head 1 and of the massage device 2 fitted with it it is advantageous to further provide that the first extension axis B-B' and rotation of the first massage roller 8 being parallel to the second axis C-C' of extension and rotation of the second massage roller 9, the output axis D-D' of the output shaft 17 of the transmission means 16 of the movement of rotation of the motor 14 to the massage head 1 is orthogonal to said first and second axes B-B', C-C' of extension and rotation.
- the massage head 1 is in this case on the one hand advantageously designed and configured, as envisaged previously, so that the first and second axes B-B', C-C' of extension and rotation of the first and second massage rollers 8, 9 are parallel to each other and, on the other hand, advantageously designed and configured so that, the massage head 1 being fixed (permanently or temporarily) to the body main 3 of the massage device 2, the output axis D-D' of the output shaft 17 is then orthogonal to the first and second axes B-B'-C-C' of extension and rotation of the first and second rollers massage 8, 9.
- the massage head 1 further comprises an adjustment system for adjusting a relative spacing of the first and second massage rollers 8, 9, that is to say for modify their relative position, in response to an external force exerted against at least one of the first and second massage rollers 8, 9 by the skin of the user during the rotation of said roller(s) massagers 8, 9 (against which/which is therefore exerted said effort), between a minimum spacing Emin (FIGS. 1 to 4, 8 and 9) and a maximum spacing Emax (FIGS. 5 to 7 and 10) of said first and second massage rollers 8, 9.
- spacing is meant here the space, the distance, separating the respective surfaces of the massage rollers 8, 9.
- the system for adjusting the relative spacing (that is to say the relative position) of the first and second rollers of massager 8, 9 is therefore capable of modifying the spacing of the latter relative to each other as a function of the intensity of the external force exerted against at least one of the rollers of massage 8, 9 by the skin of the user, which effort generally tends to spread, move away, the massage rollers 8, 9 from each other.
- this force results in particular from the reaction of the skin to the force of application of the massage head 1 to the skin by the user.
- the distance between the massage rollers 8, 9 can thus increase depending on the intensity of the force exerted by the skin.
- Such an adjustment thus allows a perfect adaptation of the massage head 1 to the area of skin of the user being treated, thus ensuring a massage that is both effective and pleasant (by limiting the risk of local pain linked to the action of massage rollers 8, 9) of the skin.
- the risk of pinching of the skin between the first and second rollers 8, 9, which could possibly be encountered with the massage heads of the prior art, is remarkably limited (for not to say deleted) thanks to said system for adjusting the relative spacing of the massage rollers 8, 9.
- the massage head 1 advantageously comprising, as already considered above, a frame 10 with respect to which the first and second massage rollers 8, 9 are rotatably mounted respectively along said first and second axes B-B', C-C 'of extension and rotation of the massage rollers 8, 9, such an adjustment system can optionally be designed and configured to allow movement (simultaneous or not) of each of the first and second massage rollers 8, 9 relative to the frame 10, in response to an external force exerted against them.
- the system for adjusting the relative spacing of the first and second massage rollers 8, 9 may possibly be designed and configured to allow a displacement of the first axis B-B' of rotation of the first massage roller 8 and a displacement of the second axis C-C of rotation of the second massage roller 9, therefore in response to an external force exerted against at least one of the massage rollers 8, 9, between
- said adjustment system is designed and configured to, on the contrary, allow movement of only one of the first and second massage rollers 8, 9 relative to said frame 10, in response to an external force exerted on against the massage roller 8, 9 concerned.
- this advantageously makes it possible to simplify the design of the massage head 1 and to improve its compactness, robustness, reliability and ease of use, and this without however harming the effectiveness of the massage provided and the comfort of use of the massage head 1.
- the fact of thus authorizing the displacement of only one of the massage rollers 8, 9 even makes it possible to avoid an unpleasant and jerky massage that one could possibly be observed in certain situations in the case where the two massage rollers 8, 9 are capable of moving relative to the frame 10 of the massage head 1.
- the system for adjusting the relative spacing of the first and second massage rollers 8, 9 can advantageously be designed and configured to maintain the first axis A-A' of the first massage roller 8 fixed (that is to say immobile in translation) relative to the frame 10 of the massage head 1, while allowing movement of the second axis CC of the second massage roller 9, therefore in response to an external force exerted against at least the second massage roller 9, between a first position defining said minimum distance Emin between the first and second massage rollers 8, 9 (FIGS. 1 to 4, 8 and 9 ), and a second position defining said maximum spacing Emax between the first and second massage rollers 8, 9 (FIGS. 5 to 7 and 10).
- said minimum Emin and maximum Emax spacings are defined, by design of the adjustment system and according to the proper sizing (and in particular, the diameter) of the massage rollers 8, 9, so that when the second axis C -C 'occupies its first position, the first and second massage rollers 8, 9 are separated from each other by a minimum distance dmin between approximately 2 mm and 10 mm, more preferably between 4 mm and 8 mm, and more preferably still equal to 6 mm, when the second axis C-C' occupies its second position, the first and second massage rollers 8, 9 are separated from each other by a maximum distance dmax included between 8 mm and 20 mm, more preferably between 10 mm and 12 mm, and more preferably still equal to 10 mm.
- minimum dmin and maximum dmax distances are to be considered here as corresponding to the minimum and maximum distances which separate two given points on the respective surface of the first and second massage rollers 8, 9 positioned facing each other, in a plane containing the axes B-B', C-C' of the massage rollers 8, 9 (plane Pi), respectively when the second massage roller 9 occupies its first position and when it occupies its second position.
- the minimum dmin and maximum dmax distances may advantageously be chosen differently depending in particular on the zone of skin of the body to be treated, in order to optimize the effectiveness of the massage and the comfort of use.
- the minimum distance Emin will advantageously be defined so that the minimum distance dmin between the first and second massage rollers 8, 9 is preferably equal to approximately 6 mm, while the maximum spacing Emin will advantageously be defined so that the maximum distance dmax between the first and second massage rollers 8, 9 is preferably equal to approximately 10 mm .
- the minimum spacing Emin may advantageously be defined so that the minimum distance dmin between the first and second massage rollers 8, 9 is preferably equal to approximately 10 mm, while the maximum spacing Emin may advantageously be defined so that the maximum distance dmax between the first and second massage rollers 8, 9 is preferably equal to approximately 15 mm.
- the minimum spacing Emin may advantageously be defined so that the minimum distance dmin between the first and second massage rollers 8, 9 is preferably equal to 5 mm approximately, while the maximum spacing Emin may advantageously be defined so that the maximum distance dmax between the first and second massage rollers 8, 9 is preferably equal to approximately 10 mm.
- the system for adjusting the relative spacing of said first and second massage rollers 8, 9 is moreover designed and configured to maintain the first and second massage rollers 8, 9 initially separated from one another. another in the absence of any external force exerted by at least one of said first and second rollers 8, 9 (and in particular against at least the second massage roller 9 in the case where only the latter is capable to move).
- the adjustment system is then provided to ensure an initial spacing Eini (non-zero) of the first and second massage rollers 8, 9 even though the latter are not in contact with the skin of the user and that the massage head is at rest, or even completely stopped.
- the first and second massage rollers 8, 9 can thus be advantageously kept initially separated from each other by an initial distance of at least 2 mm to 8 mm, and more preferably of at least 5 mm (or even 6 mm).
- the adjustment system may be designed to maintain the first and second massage rollers 8, 9 according to an initial spacing Eini identical to the minimum spacing Emin described above.
- the adjustment system then maintains the second axis C-C' of rotation of the second massage roller 9 in its first position.
- Said second position of the second axis CC is therefore a rest position. This contributes to further simplifying the design of the system for adjusting the relative spacing of the massage rollers 8, 9, and more generally of the massage head 1.
- the system for adjusting the relative spacing of the first and second massage rollers 8, 9 is designed and configured so that the movement of the second axis C-C' of the second massage roller 9 between said first and second positions (or, symmetrically, the displacement of the first and second axes B-B', C-C' between their first and second relative positions) follows an arc trajectory(s) of circle, with a center of curvature advantageously positioned towards the inside of the frame 10.
- Such a configuration advantageously makes it possible to facilitate the adjustment of the relative spacing of the first and second massage rollers 8, 9 under the effect of the pressure exercised by the user, depending on the topography of the area of skin to be treated.
- the adjustment system preferably comprises a first support means 27 (or first support arm) for the first massage roller 8, and a second support means 28 (or first support arm) for the second massage roller. massage 9, separate from said first support means 27.
- the first and second support means 27, 28 are respectively designed and configured to support the first and second massage rollers 8, 9 rotating along the first and second axes B-B' , C-C' of rotation, for example via a first rigid axis 29 and a second rigid axis 30 which pass axially respectively through the first and second massage rollers 8, 9, and thus advantageously form rigid axes 29 , 30 rotation of the massage rollers 8, 9.
- the first support means 27 of the first massage roller 8 is then stationary with respect to the frame 10, while the second support means 28 of the second massage roller 9 is for its part pivotally mounted relative to the frame 10 along a pivot axis F-F' which is parallel to said second axis C-C' (and also parallel to said first axis B-B' on the assumption, retained in the figures, where the first and second axes B-B', C-C' are advantageously parallel to each other).
- the pivot axis F-F' is advantageously positioned under the application surface 15, so that the center of curvature of the arcuate trajectory of the second axis C-C' is thus positioned towards the inside of the frame 10 and housing 11 .
- the first support means 27 can be integral with all or part of the frame 10 or the housing 11.
- the first support means 11 is advantageously formed by two complementary support elements 31A, 31B each forming a single, monolithic part, with one of the two half-shells 12A, 12B .
- the second support means 28 can be formed from a single, monolithic piece, mounted on the one hand to pivot relative to the frame 10 via a rigid pivot axis 32 which extends longitudinally along the pivot axis F-F', and connected on the other hand to the second massage roller 9 via said second rigid axis 30.
- the first and second support means 27, 28 advantageously define the application surface 15 of the massage head 1 mentioned previously.
- the application surface 15 also constitutes a support surface, a sort of guide, allowing the user not to push the massage rollers 8, 9 too far into the skin, so as to optimize the ergonomics and safety of use of the massage head 1.
- the first and second support means 27, 28 are shaped so as to advantageously limit the risks of pinching the skin or the fingers of the user between the frame 10 and the first and second massage rollers 8, 9.
- the massage head 1 comprises a return member 33 configured and arranged to exert a force tending to automatically bring said first and second massage rollers 8, 9 towards their minimum spacing Emin.
- the member return 33 is then configured and arranged to exert a force tending to return the second axis C-C' of extension and rotation of the second massage roller 9 towards said first position when it occupies said second position.
- the return member 33 can be configured and arranged to exert a force tending to return the first and second axes B-B', C-C' of extension and rotation of the first and second massage rollers 8, 9 towards said first relative position when they occupy said second relative position.
- the return member 33 thus has the effect of bringing the massage rollers 8, 9 closer together when the latter are moved away from each other under the effect, in particular of an external force exerted against at least one of the massage rollers 8, 9 by the skin of the user.
- the implementation of such a return member 33 makes it possible to advantageously confer on the system for adjusting the relative spacing of the massage rollers 8, 9 a dynamic character, in particular promoting permanent contact between the massage rollers 8, 9 and the skin during the massage of the latter.
- Such a return member 33 also advantageously allows the adjustment system to adjust the spacing of the massage rollers 8, 9 until a balance of the forces exerted directly and/or indirectly on the latter is reached. Indeed, the force exerted by the skin against at least one of the massage rollers 8, 9, when it is greater than the force exerted by the return member 33, makes it possible to counter the return effect of the return member 33 and to separate the massage rollers 8, 9 by moving the second massage roller 9 in the direction of its second position (or, symmetrically, by moving the massage rollers 8, 9 towards their second relative position).
- the implementation of the return member 33 makes it possible to choose, by design, the maximum admissible force within the work zone, that is to say between the massage rollers 8, 9, and therefore not to leave the assessment of this effort (which results in particular from the pressure applied to the skin) to the user, as could be the case with the massage heads of the prior art.
- This thus considerably reinforces the safety and ease of use of the head 1 and of the device 2 for massage, in particular allowing their use by a user lacking special skills or knowledge in the field of massage.
- the return member 33 may be of any suitable known type, and may for example comprise one or more helical traction or compression springs ("coil" springs), one or more helical torsion springs, one or more blade(s), or a combination thereof.
- the return member 33 comprises a single helical torsion spring, one of the legs of which is positioned in abutment against a surface of the frame 10 and the other of the legs is positioned bearing against a surface of the second support means 28 of the second roller 9, and whose turns are wound around the rigid pivot axis 32 which connects the second support means 28 to pivot with respect to the frame 10.
- the tare of the return member 33 is chosen, according to the intended application and the skin area to be treated, as a function of the resistance threshold of the skin.
- the massage rollers 8, 9 are moved closer to each other under the action of the body of return 33.
- the return force of the return member 33 is on the contrary less than the force of resistance of the skin, so that the massage rollers 8, 9 tend to deviate one of the other.
- the return member 33 is calibrated to exert a return force of between 2 N and 20 N, and more preferably between 4 N and 10 N.
- the torque of this torsion coil spring may advantageously be between 10 Nmm and 50 Nmm, more advantageously still between 20 Nmm and 40 Nmm.
- the first and second positions of the second axis CC of extension and rotation of the second massage roller 9 are abutment positions, so as to mechanically limit, in a reliable and repeatable manner, the range of relative spacing of the massage rollers 8, 9.
- said first and second positions are defined by fixed mechanical stops, defined once and for all during the design of the massage head 1. No particular adjustment is so requested by the user.
- the second position of the second axis C-C' of the second massage roller 9 is defined by two fixed lateral stops 34 arranged at the level of the second support means 28, and which bear against an external surface of the housing 11, which advantageously forms the frame 10 of the massage head 1, when the second axis C-C of rotation occupies its second position (FIG. 10).
- a single fixed stop could alternatively be envisaged.
- the stops 34 are designed and dimensioned to ensure that the surface of the second massage roller 9 is maintained at a distance from the frame 10, so as to avoid any contact between the latter when the second axis CC of rotation of the second massage roller 9 occupies its second position ( Figure 10).
- the first position of the second axis CC of rotation can itself be defined, for example, by at least one fixed stop (and preferably two, not visible in the figures) arranged at the level of the second support means 28, and which comes resting against a surface of the first support means 27 of the first massage roller 8 when the second axis CC of rotation occupies its first position.
- this fixed stop also advantageously makes it possible to avoid any interaction between the second support means 28 and the drive system 13 housed within the housing 11.
- said first and second positions could on the contrary be one and/or the other defined by adjustable mechanical stops (for example, screws), so that the user can define and adjust himself the value of the desired minimum Emin and maximum Emax distances, that is to say said minimum distances dmin and maximum dmax.
- the massage head 1 is advantageously designed and configured so that the plane P2 of contact of the first and second massage rollers 8, 9 with the skin is oriented secantly and not orthogonal to the mean direction of extension E-E' of the massage head 1, and this again preferably regardless of the (first or second) position occupied by the second axis C-C' of extension and rotation of the second roller of massage 9 (respectively, regardless of the first or second relative position occupied by the first and second axes B-B', C-C' of the first and second massage rollers 8, 9).
- the contact plane P2 of the first and second massage rollers 8, 9 with the skin is secant and not orthogonal to said mean direction of extension E-E' of the massage head 1 according to a minimum contact angle amin of at least 15°, when the first and second massage rollers 8, 9 are in their minimum spacing Emin (FIGS. 8 and 9), and according to a maximum contact angle a ma x of 110° at most when the first and second rollers massage 8, 9 are in their maximum spacing Emax ( Figure 10).
- Such an inclination of the contact plane P2 of the massage rollers 8, 9 with the skin contributes to excellent ergonomics of the head 1 and of the massage device 2, further facilitating their grip and their use whatever the area of skin to be treated.
- the minimum contact angle amin may advantageously be chosen equal to 72.5°, while the maximum contact angle dmax may advantageously be chosen equal to 91.5°.
- the pivot axis F-F' of the second support means 28 of the second massage roller 9 with respect to the frame 10 of the massage head 1 may be included in a plane containing the average direction of extension EE' of the massage head 1, which contributes to the simplicity of design and the compactness of the massage head 1 .
- the system for adjusting the relative spacing of the massage rollers 8, 9 could advantageously be designed and configured so as to define between, on the one hand, a plane P3 comprising the first axis B-B' of rotation and the 'pivot axis F-F' and, on the other hand, a plane P4 comprising the second axis C-C' of rotation and the pivot axis F-F', a minimum opening angle
- the drive system 13 in rotation of the massage rollers 8, 9 comprises a first set of gear(s) 35A and a second set of gear(s) 35B, separate from each other, and which are respectively provided to drive the first massage roller 8 and the second massage roller 9 in rotation.
- Each of the first and second sets of gear(s) 35A, 35B comprises at least one driving toothed wheel 36A, 36B and a driven toothed wheel 37A, 37B secured (axially) to one of the first and second massage rollers 8, 9 and driven (directly or indirectly) in rotation by the driving toothed wheel 35A, 35B.
- the driven toothed wheel 37A, 37B of each of the first and second sets of gear(s) 35A, 35B is rotatably mounted integrally with one of the first and second massage rollers 8, 9 according to the first or second axis B-B', C-C' of rotation of the latter, so that the rotation of the driven toothed wheel 37A, 7B along the first or second axis B-B', C-C' of rotation causes the joint rotation of the first or second massage roller 8, 9 corresponding.
- Said drive gears 36A, 36B and driven gears 37A, 37B are preferably spur gears.
- the bevel gear device is advantageously formed of a double gear with intersecting axes (gear whose axes of rotation are secant) or orthogonal (gear whose axes of rotation are inscribed in planes orthogonal to each other) comprising a (single) input toothed wheel 38 and two output toothed wheels 39A, 39B meshed at the input toothed wheel 38.
- Each output toothed wheel 39A, 39B is respectively connected to the corresponding driving toothed wheel 36A, 36B of the first set of gear(s) 35A and of the second set of gear(s) 35B, for drive said drive gear 36A, 36B in rotation.
- the angle transmission device therefore comprises two gears with concurrent or orthogonal axes which share the same toothed wheel. input 38 and respectively drive the first and second sets of gear(s) 35A, 35B via two separate output toothed wheels 39A, 39B.
- Such a drive system 13 proves to be particularly robust and reliable while being of relatively simple and effective design. Its various components can thus advantageously be made of a rigid plastic material, which advantageously makes it possible to reduce the manufacturing cost and the weight of the massage head 1.
- each output toothed wheel 39A, 39B forms a single piece, monolithic, with the corresponding driving toothed wheel 36A, 36B, so that the output toothed wheel 39A, 39B and the corresponding driving toothed wheel 36A, 36B are therefore interconnected by continuity of material.
- This in particular makes it possible to simplify and make the design of the drive system 13 even more reliable, by limiting the number of parts.
- the bevel gear device is more preferably formed of a double gear with concurrent axes, as envisaged above, which is a double bevel gear.
- the input gear wheel 38 of the bevel gear device is a bevel gear
- the output gear wheels 39A, 39B of the bevel gear device are both also bevel gears. conical.
- the angle transmission device is designed and configured to ensure a 90° angle transmission.
- the input toothed wheel 38 and the output toothed wheels 39A, 39B of the angle transmission device are therefore configured and arranged so that the axis of rotation G-G' of the output toothed wheels 39A, 39B is concurrent and orthogonal to the axis of rotation H-H' of the input toothed wheel 38 (FIGS. 3 and 7).
- the axis of rotation H-H' of the input toothed wheel 38 is advantageously parallel to, or coincides with, the direction E-E' of extension of the massage head 1 on the one hand, and advantageously parallel to, or coincident with, the output axis D-D' of the output shaft 17 (when the massage head 1 is fixed to the main body 3) on the other hand.
- the massage head 1 further comprises a coupling member, preferably temporary, for coupling the input toothed wheel 38 of the angle transmission device to a distal end of the output shaft 17 of the means of transmission 16 of the rotational movement of the motor 14 to the massage head 1, and thus allow the transmission of the rotational movement of the output shaft 17 to the drive system 13 of the massage rollers 8, 9.
- the coupling member can form a female coupling member 40 which cooperates, or is at least intended to cooperate, by form complementarity with a male coupling member 41 secured to the distal end of the shaft of outlet 17.
- the coupling member of the massage head 1 could form a male coupling member which cooperates, or is at all month intended to cooperate, by complementarity shaped with a female coupling member secured to the distal end of the output shaft 17.
- the male coupling member 41 can advantageously have a generally conical shape and include fins whose the free edges define said generally conical shape.
- the female coupling member 40 can then define in return an imprint, an inner side wall of which has a generally conical or frustoconical shape, shaped and configured to receive and cooperate with the fins of the male coupling member 41 by complementarity of form.
- the input toothed wheel 38 of the bevel gear device preferably forms a single piece, monolithic with said control member. coupling, which simplifies the design of the massage head 1.
- Such a configuration is particularly interesting in the case where the massage head 1 is intended to be fixed to the main body 3 of the massage device 2 in a removable manner, as in the embodiments illustrated in the figures.
- the male coupling member 41 secured to the distal end of the output shaft 37 can advantageously project from the bottom of the housing 22 intended to receive the massage head 1 of removable manner, as previously described.
- the input toothed wheel 28 of the angle transmission device is thus coupled, by complementarity of the male 41 and female 40 coupling members, at the distal end of the shaft of output 17 of the transmission means 16 of the rotational movement of the motor 14 to the massage head 1 (FIG. 9).
- the bevel gear device is identical to that described above, except that it has no input toothed wheel, the latter being directly attached to the distal end of the output shaft of the means for transmitting the rotational movement of the motor to the massage head.
- Such a variant proves to be more particularly interesting, because in particular simpler and less expensive to implement, in particular in the case where the massage head is fixed to the main body of the massage device in an irremovable manner.
- the angle transmission device of the massage head therefore constitutes, as such, only part of an angle transmission mechanism.
- the first and second sets of gear(s) 35A, 35B each comprise an intermediate gear wheel 43A, 43B which is arranged between the driving gear wheel 36A, 36B and the driven gear wheel 37A, 37B, and with which the driven gear 37A, 37B is (directly) meshed.
- the intermediate toothed wheels 43A, 43B have straight teeth.
- the intermediate toothed wheel 43A, 43B of each of the first and second sets of gears 35A, 35B is meshed (preferably (directly) with the driving toothed wheel 36A, 36B of the sets of gears 35A, 35B corresponding, and has a diameter which is greater on the one hand than a respective diameter of said driving toothed wheel 36A, 36B, and on the other hand, to a respective diameter of said driven toothed wheel 37A, 37B.
- 43A, 43B thus advantageously constitute toothed wheels for reducing the speed of rotation, which make it possible to reduce the speed of rotation of the massage rollers 8, 9 with regard to the speed of rotation of the motor 14.
- the intermediate toothed wheel 43B of the second set of gears 35B is rotatably mounted along an axis of rotation l-l' which coincides with the pivot axis F-F' of the second support means 28 of the second roller of massage 9 compared to frame 10.
- the driven toothed wheel 37B of the second set of gear(s) 35B therefore rotates advantageously, on the one hand along the second axis C-C' of rotation of the second massage roller 9 and, on the other hand, around the axis of rotation l-l' of the intermediate toothed wheel 43B, with which the driven toothed wheel 37B therefore remains permanently meshed.
- the first set of gear(s) 35A and the second set of gear(s) 35B are preferably identical to one another.
- the driving sprockets 36A, 36B of the drive system 13 are identical to each other (dimensions, number of teeth, etc.)
- the driven sprockets 37A, 37B are identical to each other and, likewise manner, the intermediate toothed wheels 43A, 43B are, where appropriate, identical to each other.
- the output toothed wheels 39A, 39B of the bevel gear device are also identical to each other.
- the design of the drive system 13 in rotation of the massage rollers 8, 9 is thus greatly simplified, and its manufacturing cost reduced. In the event that the massage rollers 8, 9 are of identical diameters, this also advantageously makes it possible to ensure in a simple and effective manner a rotation of the massage rollers 8, 9 at identical speeds, as previously envisaged.
- the output toothed wheels 39A, 39B of the bevel gear device and the driving toothed wheels 36A, 36B of the first and second sets of gear(s) 35A, 35B are mounted to rotate around one and the same rigid axis 44, and therefore along the same axis of rotation J-J'.
- this common axis of rotation J-J' then coincides with the axis of rotation G-G' of each of the output toothed wheels 39A, 39B.
- the cogwheels intermediates 43A, 43B are, if necessary, mounted for rotation around one and the same rigid axis 45, and therefore along the same axis of rotation K-K' as in the embodiment illustrated in the figures.
- this rigid axis 45 coincides with (that is to say formed by) the rigid pivot axis 32, and said axis of rotation K-K' coincides with the pivot axis F-F' of the second support means 28 of the second massage roller 9 and with the axis of rotation l-l' of each of the intermediate toothed wheels 43A, 43B.
- said rigid axes 44, 45/32 are connected to the frame 10 of the massage head 1 in order to ensure good recovery of the forces in operation of the massage head 1, and in particular in order to counter rotational forces according to axis of rotation H-H' of the input toothed wheel 38, and thus guarantee great robustness of the drive system 13.
- the rigid axes 44, 45 can be fitted into an internal wall of the housing 11 by between their ends. As illustrated for example by the arrows in FIG.
- the toothed wheels 36A, 37A, 43A of the first set of gear(s) 35A extend substantially in a first plane which is parallel to a second plane in which the toothed wheels 36B, 37B, 43B of the second set of gear(s) 35B extend substantially respectively (as well as, preferably, the corresponding output toothed wheel 39B), these first and second planes being, even more advantageously, arranged facing each other at an equidistance from the axis of rotation H-H' of the input toothed wheel 38 of the angle transmission.
- This contributes in particular to an excellent dimensional and weight balance of the massage head 1 and to its good mechanical stability in operation.
- all or part of the toothed wheels 36A, 37A, 43A, 36B, 37B, 43B of the first and second sets of gear(s) 35A, 36B is rotatably mounted with a non-zero movement along the axis of rotation of said sprockets 36A, 37A, 43A, 36B, 37B, 43B.
- all or only some of the driving cogwheels 36A, 36B, the driven cogwheels 37A, 37B and, possibly, the intermediate cogwheels 43A, 43B are mounted on the one hand for rotation along their respective axis of rotation, and on the other hand in translation along their respective axis of rotation, so that the toothed wheels concerned can thus translate axially, typically over a distance (or deflection, that is to say on either side of the position illustrated) between 0.4 mm and 1 mm, and more preferably between 0.4 mm and 0.6 mm.
- the driven toothed wheels 37A, 37B are connected to their respective massage rollers 8, 9 with zero movement (that is to say without movement allowed) along their own axes of rotation, that is to say along the first and second axes B-B', C-C' of the first and second massage rollers 8, 9, and that only the driven toothed wheels 36A , 36B and, possibly, the intermediate toothed wheels 43A, 43B, are mounted for rotation with such a non-zero clearance along their own axis of rotation.
- the invention is not limited to such an advantageous design of the drive system 13 in rotation of the massage rollers 8, 9.
- the drive system 13 may thus comprise other known and suitable mechanisms (gears, pulleys, belts, etc.), instead of the first and second sets of gear(s) 35A, 35B described above, for transmit a rotational movement at the output of the bevel gear device to each of the massage rollers 8, 9.
- the massage head 1 comprises a casing (or protective casing) designed and configured to isolate, at least in part and preferably in major part, the drive system 13 from the first and second massage rollers 8, 9 from the environment outside the massage head 1.
- a protective casing advantageously makes it possible, on the one hand, to limit the risk of clogging of the drive system 13 (for example by debris of dead skin, make-up, hair, etc.) and therefore to make the operation of the latter more reliable.
- the presence of the casing makes it possible, on the other hand, to limit the risk of pinching or jamming of the skin, of a finger, or even of the user's hair in the drive system 13, which makes the use of the particularly safe massage head 1.
- the casing makes it possible to protect the drive system 13 of the massage rollers 8, 9 against the introduction of external elements or objects likely to deteriorate its operation.
- the casing can advantageously comprise an outer casing element 46, which typically defines at least part of an outer casing of the massage head 1, and which is for example formed at least in part by the casing 11 of the massage head 1 .
- said outer casing element 46 can also advantageously be formed by the support means 27, 28 of the massage rollers 8, 9 which advantageously comprise the system for adjusting the relative spacing massage rollers 8, 9.
- the casing can advantageously comprise an internal casing element 47, arranged within the massage head 1 itself, under the massage rollers 8, 9, the latter thus being arranged between the skin of the user and the internal casing element 47, as illustrated very schematically as an example in FIG. 4.
- the internal casing element 47 thus advantageously overlaps at least a part of the drive system 13 of massage rollers 8, 9, without hindering the rotation of the latter.
- the internal casing element 47 can advantageously have a curvature which follows the contour of the surfaces of the massage rollers 8, 9, as illustrated by example in FIG. 4.
- the internal casing element 47 can advantageously be formed from an elastically deformable material, so that the internal casing element 47 performs its protective role regardless of the relative spacing of the massage rollers 8, 9.
- the invention finds its application in the design and manufacture of massage heads for skin massage devices, in particular for domestic use, and of massage devices equipped with such massage heads.
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Massaging Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2013739A FR3117772B1 (fr) | 2020-12-18 | 2020-12-18 | Tete de massage a entrainement optimise pour appareil de massage et appareil de massage equipe d’une telle tete |
PCT/FR2021/052254 WO2022129738A1 (fr) | 2020-12-18 | 2021-12-09 | Tete de massage a entrainement optimise pour appareil de massage et appareil de massage equipe d'une telle tete |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4262671A1 true EP4262671A1 (fr) | 2023-10-25 |
Family
ID=74871578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21851816.5A Pending EP4262671A1 (fr) | 2020-12-18 | 2021-12-09 | Tete de massage a entrainement optimise pour appareil de massage et appareil de massage equipe d'une telle tete |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4262671A1 (fr) |
JP (1) | JP2023553716A (fr) |
KR (1) | KR20230121755A (fr) |
CN (1) | CN116615169A (fr) |
FR (1) | FR3117772B1 (fr) |
WO (1) | WO2022129738A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2306424A (en) * | 1938-11-16 | 1942-12-29 | William G Betz | Massager |
FR934070A (fr) * | 1946-10-01 | 1948-05-11 | Appareil de massage | |
JPS5150703Y2 (fr) * | 1973-04-26 | 1976-12-06 | ||
FR3012035B1 (fr) * | 2013-10-17 | 2016-01-01 | Seb Sa | Appareil de massage avec tete de massage equipee d'un rouleau a palette et d'un rouleau a surface de type lisse |
-
2020
- 2020-12-18 FR FR2013739A patent/FR3117772B1/fr active Active
-
2021
- 2021-12-09 WO PCT/FR2021/052254 patent/WO2022129738A1/fr active Application Filing
- 2021-12-09 CN CN202180085129.5A patent/CN116615169A/zh active Pending
- 2021-12-09 EP EP21851816.5A patent/EP4262671A1/fr active Pending
- 2021-12-09 KR KR1020237020333A patent/KR20230121755A/ko unknown
- 2021-12-09 JP JP2023536929A patent/JP2023553716A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR3117772A1 (fr) | 2022-06-24 |
FR3117772B1 (fr) | 2023-03-03 |
CN116615169A (zh) | 2023-08-18 |
WO2022129738A1 (fr) | 2022-06-23 |
JP2023553716A (ja) | 2023-12-25 |
KR20230121755A (ko) | 2023-08-21 |
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