EP2509755A1 - Dispositif de tondeuse à cheveux - Google Patents

Dispositif de tondeuse à cheveux

Info

Publication number
EP2509755A1
EP2509755A1 EP10787708A EP10787708A EP2509755A1 EP 2509755 A1 EP2509755 A1 EP 2509755A1 EP 10787708 A EP10787708 A EP 10787708A EP 10787708 A EP10787708 A EP 10787708A EP 2509755 A1 EP2509755 A1 EP 2509755A1
Authority
EP
European Patent Office
Prior art keywords
blade member
motor
pivot
coupling element
shaft
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.)
Granted
Application number
EP10787708A
Other languages
German (de)
English (en)
Other versions
EP2509755B1 (fr
Inventor
Hans Moll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Exonda Salon Tools GmbH
Original Assignee
ONDAL Friseurtechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ONDAL Friseurtechnik GmbH filed Critical ONDAL Friseurtechnik GmbH
Priority to EP10787708.6A priority Critical patent/EP2509755B1/fr
Publication of EP2509755A1 publication Critical patent/EP2509755A1/fr
Application granted granted Critical
Publication of EP2509755B1 publication Critical patent/EP2509755B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/06—Cutting heads therefor; Cutters therefor; Securing equipment thereof involving co-operating cutting elements both of which have shearing teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive

Definitions

  • the present invention relates to clippers for use in hair-dressing, and particularly to a motor- ised clipper device for use in trimming hair.
  • Hair clippers of this type are often used in hair salons, as well as in the home or domestic environment, for trimming hair around the collar and/or side-burns of male customers, as well as for trimming facial hair, such as beards and moustaches. Indeed, for people who prefer to wear their hair with a relatively short-cropped or shaved appearance, such clippers may be utilised for trimming over the entire head area.
  • Conventional hair clipper devices typically comprise a pair of blade members, one of which is driven reciprocally with respect to the other to generate a cutting action there-between.
  • the reciprocating movement of the one blade member is generated by an electric motor, and in particular by a pin member which is connected to a shaft of the motor eccentrically of, but extending parallel to, the rotational axis thereof such that the pin member is received in and engages with the sides of a slot formed in a transmission component attached to the blade member.
  • the pin member transcribes a circular path of motion around the rotational axis as the rotor or shaft of the motor rotates.
  • the interaction between the pin member and the slot of the transmission component is such that essentially only lateral movements of the pin member from the circular path it transcribes are transmitted to the blade member, and this produces the reciprocating motion of the blade member.
  • a significant disadvantage of this arrangement is that the pin member essentially makes line contact with the sides of the slot formed in the transmission component.
  • the contact area between the rounded outer surface of the pin and the inner, substantially flat and parallel sides of the slot is exceptionally small.
  • This extremely small con- tact area combined with the high motor speeds and the loads on the blade members create significant pressure between the pin member and the transmission component, and this leads to wear and a resulting reduction in the precision of the fit between the pin member and the slot. This, in turn, leads to a deterioration in the cutting performance and noisier operation.
  • the present invention is directed to the object of providing a new hair clipper device that substantially overcomes or solves the above problems of conventional devices. Summary of the Invention
  • the present invention provides a hair clipper comprising:
  • a second blade member adapted for reciprocating movement relative to the first blade member and which cooperates with the first blade member to generate a cutting action there-between;
  • a motor for driving the reciprocating movement of the second blade member wherein the motor has a rotor or shaft which rotates about a rotational axis;
  • connecting member which interconnects the rotor or shaft of the motor and the second blade member, wherein the connecting member extends in a direction transverse to the rotational axis and is connected with the second blade member at a position laterally spaced from the rotational axis.
  • the connecting member provides a positive coupling between the rotor or shaft of the motor and the second blade member for directly transferring movement from the motor to the second blade member.
  • the connecting member is substantially rigid for ensuring an efficient transfer of motion from the motor to the second blade member.
  • the connecting member is typically elongate and may be formed as a rod designed to link the motor with the second blade member.
  • the connecting member may, for example, have a length within the range of about 8 mm to 24 mm, preferably in the range of about 10 mm to 20 mm, and more preferably within the range of about 12 mm to 16 mm.
  • the connecting member or rod is desirably connected with the rotor or shaft of the motor at a position eccentric to the rotational axis.
  • the connecting member is preferably connected to the rotor or shaft of the motor via an intermediate member rigidly mounted on the rotor or shaft of the motor.
  • One end region of the connecting member may include a pivot coupling element, such as an eyelet (e.g. circular bore) or a pin, for pivoting connection with the rotor or shaft of the motor.
  • An opposite end region of the connecting member may also include a pivot coupling element, such as an eyelet (e.g. circular bore) or a pin, for pivoting connection with the second blade member.
  • the connecting member is pivotally coupled with the rotor or shaft of the motor and/or is pivotally coupled with the second blade member.
  • the pivot coupling between the connecting member and the rotor or shaft of the motor, on the one hand, and/or between the connecting member and the second blade member, on the other hand, provides for pivoting movement about respective pivot axes.
  • Each pivot coupling or connection desirably provides surface contact with the connecting member.
  • the pivot couplings between the connecting member and the motor shaft and/or the second blade member preferably comprise a journal-type bearing or pin-and-eyelet type coupling.
  • the first blade member is stationary within the clipper device.
  • the second blade member is also referred to herein as the movable blade member, it being configured to move relative to the first, stationary blade member.
  • the second blade member is preferably positioned on or adjacent to the first blade member and is adapted to move relative to the first blade member in a cutting plane.
  • either or both of the first blade member and the second blade member is/are substantially flat.
  • the reciprocating movement, of the second blade member relative to the first blade member is a substantially linear displacement within the range of about 2 mm to about 6 mm, and preferably within the range of about 3 mm to about 4 mm.
  • the first blade member and the second blade member together define a substantially linear cutting region.
  • this cutting region typically forms a leading or front edge of the clipper device during a hair cutting operation.
  • the rotational axis of the motor is preferably located rearwardly of the cutting region.
  • the rotational axis of the motor desirably intersects the cutting plane rearward of the cutting region with respect to an in-use orientation in which the cutting region forms the leading or front edge of the clipper device.
  • the cutting plane is furthermore preferably intersected by the rotational axis of the motor at a non-perpendicular angle, particularly preferably at an angle within the range of about 30° to about 60°. This inclined or pitched orientation of the rotational axis, and thus of the motor and drive shaft, produces a configuration which, during hand-held use of the clipper device, is economically advantageous.
  • the connecting member is connected with the second blade member such that rotation of the motor generates a force component that acts to bias or maintain the second blade member into contact or engagement with the first blade member.
  • the connecting member when viewed along the rotational axis of the motor, is desirably connected to the second blade member at a position laterally spaced to a side of the rotational axis at which the direction of rotation of the rotor or shaft around the axis is towards the cutting region.
  • a line extended between points of maximum lateral displacement of the eccentric connection of the connecting member to the motor shaft defines a line which also extends to the position at which the connecting member is connected with the second blade member. This line, which also passes through the rotational axis of the motor, typically runs substantially parallel to the substantially linear cutting region.
  • Fig. 1 is a side view of the main operating parts of a hair clipper device according to a prior art arrangement
  • Fig. 2 is a sectioned side view of the main operating parts of a hair clipper device as shown in Fig. 1 , with the section taken along the rotational axis
  • Fig. 3 is a sectioned top view of the main operating parts of a hair clipper device as shown in Fig. 1 , with the section taken parallel to the rotational axis;
  • Fig. 4 is a partially sectioned view of the main operating parts of a prior art hair clipper device as shown in Fig. 2 and taken in the direction of arrows IV-IV;
  • Fig. 5 is a side view of the main operating parts of a hair clipper device according to a preferred embodiment of the present invention.
  • Fig. 6 is a sectioned side view of the main operating parts of the hair clipper device as shown in Fig. 5, with the section taken along the rotational axis;
  • Figs. 7 to 10 are partially sectioned views of the main operating parts of the hair clipper device of the invention taken along the rotational axis in the direction of the arrows A-A in Fig. 6 at different positions of angular rotation of the motor;
  • Fig. 1 1 is a top view of a connecting member for a hair clipper device according to a preferred embodiment of the invention
  • Fig. 12 is a partially sectioned view of the part of the hair clipper of the invention corresponding to the view in Fig. 9, with the motor at the same position of angular rotation and illustrating the force components acting on the movable cutting blade;
  • Fig. 13 is a partially sectioned view of the part of the hair clipper of the invention corresponding to the view in Fig. 7, with the motor at the same position of angular rotation and illustrating the force components acting on the movable cutting blade;
  • Fig. 14 is a top view of a connecting member for a hair clipper device according to a further preferred embodiment of the invention, wherein each of the circular bores or eyelets of the connecting member is realized as a slotted circular bore.
  • a conventional hair clipper device P according to a prior art arrangement will be briefly described.
  • the main parts of the hair clipper device P shown in Fig. 1 and Fig. 2 of the drawings include a drive means 1 and a cutting head 2, both of which are mounted on a frame or in a casing 3 of the device P, which frame or casing 3 is shown in a broken outline in Fig. 1 .
  • the frame or casing 3 of the hair clipper device P is typically configured to be hand-held by a user during a hair trimming operation.
  • the drive means 1 comprises an electric motor 4, which is securely mounted within the casing 3 and may be designed for either battery-powered operation or for cable-connected power supply.
  • the rotor of the motor 4 has a drive shaft 5 which is driven in rotation about a central rotational axis 6.
  • the cutting head 2 of the hair clipper P is mounted at a distal end of the casing 3 and comprises a first, stationary blade member 7 fixed relative to the casing 3 and a second, moveable blade member 8 positioned on the first blade member 7 and designed for reciprocating movement in a lateral or transverse direction relative to the first blade member 7 such that the two blade members 7, 8 cooperate to generate a cutting action there-between.
  • the first blade member 7 has a substantially flat or plate- like configuration and the second blade member 8 is mounted on an upper surface of the first blade member.
  • each of the blade members 7, 8 comprises a plurality of parallel teeth or prongs 9 forming a comb structure along a front or leading edge region 1 1 of the cutting head 2.
  • the teeth or prongs 9 of the second blade member 8 move back-and-forth (i.e. reciprocate) in a lateral direction relative to the teeth or prongs 9 of the first blade member 7, a shearing action effects cutting of any hair projecting between the comb elements of the blade members 7, 8.
  • a transmission mechanism between the electric motor 4 and the movable blade member 8.
  • a circular stud or pin member 12 is connected to the shaft 5 of the motor 4 eccentrically or offset from the rotational axis 6 and extends parallel to the rotational axis 6 towards the second blade member.
  • a transmission component 13 provided on the second blade member 8 includes a slot 14 which is dimensioned to snugly receive the circular stud or pin member 12 between facing parallel side surfaces of that slot 14. This is particularly evident from Figs. 3 and 4 of the drawings, which illustrate the stud or pin 12 and the slot 14 being dimensioned such that the stud or pin 12 contacts the sides of the slot 14 in the transverse or lateral direction, with the slot 14 being open in the vertical or upward and downward directions.
  • the pin member 12 transcribes a circular path of motion around the axis 6 as the shaft rotates.
  • the stud or pin interacts with the slot 14 in the transmission component in such a way that the lateral or sideways movements of the pin member 12 are directly transmitted to the second blade member 8 whereas movements of the pin 12 in the vertical or upward and downward directions occur within the slot without any meaningful transmission to the blade member 8 in those directions.
  • a pair of spring ele- ments 15 which bias the second blade member 8 into contact with the first blade member 7 and inhibit movement of the second blade member 8 in anything but a lateral direction.
  • the fit of the stud or pin member 12 within the slot 14 should be quite precise. That is, there should essentially be no "play” in the lateral directions while still allowing relative movement between the pin 12 and the slot 14 in the vertical or upward and downward directions; i.e. the slot 14 should not grip the sides of the pin 12.
  • the circular stud or pin member 12 makes essentially line contact with the sides of the slot 14 formed in the transmission component 13. As a result, the contact area between the curved outer surface of the stud or pin 12 and the inner, parallel sides of the slot 14 is exceptionally small.
  • the hair clipper device 1 0 according to the invention has various parts in common with the prior art hair clipper device P described with reference to Figs. 1 to 4.
  • the corresponding features of the clipper device 10 are identified by the same reference characters.
  • the main parts of the hair clipper device 10 shown in Figs. 5 and 6 again include a drive means 1 and a cutting head 2, both of which are mounted in/on a frame or casing 3 of the device 10, with that casing 3 again being shown in broken outline in Fig. 5.
  • the drive means 1 comprises an electric motor 4 se- curely mounted within the casing 3 and designed for either battery-powered operation or for a cable-connected power supply.
  • the motor 4 has a drive shaft 5 which is driven in rotation about a central rotational axis 6.
  • the cutting head 2 of the hair clipper 10 is mounted at a distal end of the casing 3 and comprises a first, stationary blade member 7 fixed relative to the casing 3 and a second, moveable blade member 8 positioned on the first blade member 7 and designed for reciprocating movement in a lateral or transverse direction relative to the first blade member 7.
  • the two blade members 7, 8 cooperate to generate a cutting or shearing action there-between in a cutting plane C. That is, the first, stationary blade member 7 has a gen- erally flat or plate-like form and the second blade member 8 is mounted on an upper surface of the first blade member 7.
  • each of the blade members 7, 8 comprises a plurality of parallel teeth or prongs 9 forming a comb structure along a front or leading edge region 1 1 of the cutting head 2.
  • teeth or prongs 9 of the second blade member 8 move reciprocatingly (i.e. back-and-forth) in a lateral direction relative to the teeth or prongs 9 of the first blade member 7, a shearing action in the cutting plane C effects cutting of any hair projecting between the comb elements of the blade members 7, 8 in the cutting region 1 1 .
  • the reciprocating movement of the second blade member 8 relative to the first blade member 7 is generated by a transmission mechanism 30 between the electric motor 4 and the moveable blade member 8.
  • the transmission mechanism 30 comprises a connecting member 31 in the form of a substantially rigid connecting rod, which interconnects the rotor or shaft 5 of the motor 4 and the second blade member 8.
  • the connecting rod 31 is pivotally connected with the shaft 5 eccentric of, or offset from, the rotational axis 6.
  • the connecting rod 31 extends in a direction transverse to the rotational axis 6 and is connected to the second blade member 8 at a position that is laterally spaced from the rotational axis 6.
  • the interconnection and the physical positioning of the connecting member 31 within the hair clipper device 10 of the invention are illustrated in Figs. 7 to 10 of the drawings, while the shape or configuration of the connecting rod 31 is specifically illustrated in Fig. 1 1 .
  • the connecting rod 31 is elongate and has a length L in the range of about 10 mm to about 20 mm, more preferably in a range of about 12 mm to 1 6 mm.
  • the connecting rod 31 is made of a suitable plastic material, e.g. of a polymeric material.
  • a respective pivot coupling element 32, 33 is provided for pivoting connection with a complementary element on the shaft 5 of the motor and on the second blade member 8, respec- tively.
  • the pivot coupling element 32 at the end region of the connecting rod 31 for connection to the shaft 5 comprises a circular bore or eyelet, which may be in the form of a circular journal bearing or a short cylindrical sleeve for receiving a respective pin element 34 projecting from the shaft 5 of the motor 4.
  • the coupling element 33 at the other, opposite end of the connecting rod 31 may also comprise an eyelet for complementary pivoting connection with a circular pin member 35 formed on and upstanding from the second blade member 8.
  • the coupling element 32 defines a first pivot axis through the centre of the eyelet of the coupling element 32, and the coupling element 33 defines a second pivot axis through the centre of the eyelet of the coupling element 33.
  • each coupling element 32, 33 defines a pivot axis through a respective centre of the eyelet and is configured for surface contact with the complementary pin element 34, 35.
  • the first pivot axis of the coupling element 32 and the second pivot axis of the coupling element 33 are parallel to one another.
  • both the first pivot axis of the coupling element 32 and the second pivot axis of the coupling element 33 are perpendicular to a plane, with the movements of the connecting member 31 being performed within said plane.
  • pivot coupling element 32, 33 at each end of the elongate connecting rod 31 is formed as a circular eyelet, sleeve or journal for receiving a complementary pin element 34, 35
  • the connecting rod 31 may alternatively comprise coupling elements 32, 33 in the form of projecting pins for receipt in corresponding circular pivot bearing recesses formed in the shaft 5 and/or in the second blade member 8, respectively.
  • the pivoting connection between the connecting rod 31 and the shaft 5 of the motor occurs via an intermediate member 36, which is partially disc-shaped and is rigidly attached to the lower end of the motor shaft 5.
  • the pin element 34 projects from the partially disc-shaped member 35 attached at the end of the shaft 5 and the pivot coupling element or eyelet 32 of the connecting rod 31 forms the pivot connection with the pin element 34 eccentric to, or offset from, the rotational axis 6.
  • the partial disc-shaped member 35 may serve to assist in dynamically balancing of the shaft 5 during operation of the clipper device 10.
  • each of the drawings shows a relative position of the shaft 5 and the connecting rod 31 at con- secutive 90° intervals in four steps throughout one complete rotation of the motor.
  • the eccentric pivot connection 32, 34 between the connecting rod 31 and the shaft 5 transcribes a circular path around the rotational axis 6 and the diameter of this circular path dictates the extent of reciprocating movement in the lateral direction. That is, the pivoting connections provided by the connecting rod 31 between the shaft 5 and the blade member 8 transform the eccentric circular motion at the pin element 34 into a reciprocating movement of the second blade member 8 in the lateral or sideways direction. The full extent or stroke of the reciprocating movement of the second blade member 8 in the lateral or sideways direction occurs between the positions shown in Fig.
  • the reciprocating movement of the second blade member 8 relative to the first blade member 7 comprises a substantially linear displacement in the range of about 2 mm to about 6 mm, and particularly in the range of about 3 mm to about 4 mm.
  • the two spring elements 1 5, which are also visible in Figs. 7 to 10, assist to ensure that the movement of the second blade member 8 relative to the first blade member 7 is essentially only in the transverse direction.
  • the motor 4 of the clipper device 10 is typically arranged in the casing 3 such that the rotational axis 6 is pitched or inclined at a non-perpendicular angle a to the cutting plane C of the cutting head 2 and such that the rotational axis 6 intersects the cutting plane C rearward of the front or leading cutting region 1 1 .
  • This arrangement has ergonomic advantages for the user.
  • the positioning of the pivoting connection 33, 35 between the connecting rod 31 and the mov- able blade member 8 can be selected such that a force component generated by the transmission mechanism 30 serves to bias the second, movable blade member 8 into contact or engagement with the first blade member 7.
  • the connecting rod 31 is connected to the second blade member 8 in substantial lateral alignment with the rotational axis 6. That is, a line between the points of maximum lateral displacement (i.e. in Fig. 8 and Fig. 10) of the eccentric coupling 32, 34 of the connecting rod 31 to the motor shaft defines a line which also extends to the position of the pivot coupling 33, 35 of the connecting rod 31 with the second blade member 8. This line, which corresponds to the axis X in Figs. 8 and 10, also extends through the rotational axis 6 and runs substantially parallel to the cutting region 1 1 .
  • the connecting rod 31 is connected with the second blade member 8 at a position 35 that is laterally spaced to that side of the rotational axis 6 at which the direction of rotation of the motor 4 around the axis 6 is towards the cutting region 1 1 of the cutting head 2.
  • the connecting rod 31 is connected with the second blade member 8 at a position 35 that is laterally spaced to that side of the rotational axis 6 at which a tangential component of the motor's rotational velocity around the axis 6 points towards the cutting region 1 1 of the cutting head 2.
  • the tangential or instantaneous velocity of the motor shaft 5 at that side of the rotational axis 6 to which the connecting rod 31 extends for connection with the second blade member 8 has a directional or vector component towards the cutting region 1 1 of the blade members 7, 8.
  • the connecting rod 31 is connected with the second blade member 8 at a position 35 that is laterally spaced to the right side of the rotational axis 6.
  • the relative magnitude of the force component F H will depend upon the degree of eccentricity of the coupling element 32 from the rotational axis 6 and the length L of the connecting rod 31 .
  • the arrangement of the connecting rod 31 in the clipper device 10 gives rise to this recurring, transient or intermittent force component F H , which acts to bias the second, movable cutting blade 8 into engagement or contact with the stationary blade 7.
  • the force component F H reinforces the action of the spring elements 15 in supporting the engagement or contact between the blade members 7, 8 in the cutting plane C to ensure maintenance of the desired cutting performance.
  • the axis X is a straight line which inter- connects the points of maximum lateral displacement (shown in Figs. 8 and 10) of the eccentric connection 32, 34 of the connecting member 31 with the motor shaft 5. Furthermore, it will be noted that this axis X intersects with the rotational axis 6 of the motor and that the connection 33, 35 of the connecting member 31 with the movable blade 8 lies permanently on this axis X.
  • FIG. 14 yet another embodiment of a connecting rod is shown.
  • the connecting rod 37 is elongate and has a length in the range of about 10 mm to about 20 mm, more preferably in a range of about 12 mm to 1 6 mm.
  • a respective pivot coupling element 38, 39 is provided for pivoting connection with a complementary element on the shaft 5 of the motor and on the second blade member 8, respectively.
  • the pivot coupling element 38 at the end region of the connecting rod 37 for connection to the shaft 5 comprises a slotted circular bore or eyelet with a slot or groove 40.
  • the slotted circular bore or eyelet may be in the form of a slotted circular journal bearing or a slotted cylindrical sleeve for receiving a respective pin element 34 projecting from the shaft of the motor 4.
  • the coupling element 39 at the other, opposite end of the connecting rod 37 may also comprise a slotted circular bore or eyelet with a slot or groove 41 for complementary pivoting connection with a circular pin member 35 formed on and upstanding from the second blade member 8.
  • the coupling element 38 defines a first pivot axis through the centre of the eyelet of the coupling element 38, and the coupling element 39 defines a second pivot axis through the centre of the eyelet of the coupling element 39.
  • each coupling element 38, 39 defines a pivot axis through a respective centre of the eyelet and is configured for surface contact with the complementary pin element 34, 35.
  • the first pivot axis of the coupling element 38 and the second pivot axis of the coupling element 39 are parallel to one another.
  • both the first pivot axis of the coupling element 38 and the second pivot axis of the coupling element 39 are perpendicular to a plane, with the movements of the connecting member 37 being performed within said plane.
  • the slots or grooves 40, 41 are provided to compensate for an undersize of the circular bore or for an oversize of the pin element 34 on the shaft 5 and of the pin element 35 on the second blade member 8, respectively.
  • the plastic material is made of a suitable plastic material, e.g. of an elastic polymer material, and due to the presence of the slots or grooves 40, 41 , the slotted circular bores or eyelets may adapt to the size of the complementary pin element 34, 35. Due to the slots or grooves 40, 41 , the amount of friction between the slotted circular bores and the complementary pin elements 34, 35 is rather small.
  • the diameter of a slotted circular bore or of a slotted eyelet is about 0.01 to 0.03 mm smaller than the corresponding outer diameter of the complementary pin element 34, 35.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

La présente invention concerne un dispositif de tondeuse à cheveux (10) comprenant : un premier élément de lame (7), un second élément de lame (8) conçu pour effectuer un mouvement de va-et-vient par rapport au premier élément de lame (7) et qui agit conjointement avec le premier élément de lame (7) pour générer une action de coupe entre eux ; un moteur (4) destiné à entraîner le mouvement de va-et-vient du second élément de lame (8), le moteur comprenant un rotor ou un arbre (5) qui se met en rotation autour d'un axe de rotation (6) ; et un élément de raccordement, tel qu'une bielle (31), qui relie le rotor ou l'arbre (5) du moteur (4) et le second élément de lame (8) entre eux. L'élément de raccordement ou la bielle (31) s'étend dans une direction transversale à l'axe de rotation (6) et est raccordé(e) au second élément de lame (8) en un emplacement disposé latéralement à distance de l'axe de rotation (6). L'élément de raccordement (31) est conçu pour être raccordé de manière pivotante au rotor ou à l'arbre (5) du moteur (4) et/ou raccordé de manière pivotante au second élément de lame (8).
EP10787708.6A 2009-12-11 2010-12-10 Dispositif de tondeuse à cheveux Not-in-force EP2509755B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10787708.6A EP2509755B1 (fr) 2009-12-11 2010-12-10 Dispositif de tondeuse à cheveux

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09015380A EP2332699A1 (fr) 2009-12-11 2009-12-11 Dispositif de tondeuse à cheveux
PCT/EP2010/007541 WO2011069673A1 (fr) 2009-12-11 2010-12-10 Dispositif de tondeuse à cheveux
EP10787708.6A EP2509755B1 (fr) 2009-12-11 2010-12-10 Dispositif de tondeuse à cheveux

Publications (2)

Publication Number Publication Date
EP2509755A1 true EP2509755A1 (fr) 2012-10-17
EP2509755B1 EP2509755B1 (fr) 2014-09-17

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP09015380A Withdrawn EP2332699A1 (fr) 2009-12-11 2009-12-11 Dispositif de tondeuse à cheveux
EP10787708.6A Not-in-force EP2509755B1 (fr) 2009-12-11 2010-12-10 Dispositif de tondeuse à cheveux

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09015380A Withdrawn EP2332699A1 (fr) 2009-12-11 2009-12-11 Dispositif de tondeuse à cheveux

Country Status (3)

Country Link
EP (2) EP2332699A1 (fr)
CN (1) CN102652051B (fr)
WO (1) WO2011069673A1 (fr)

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US10093029B2 (en) 2012-07-31 2018-10-09 Koninklijke Philips N.V. Hair clipping device
RU2638717C2 (ru) 2012-07-31 2017-12-15 Конинклейке Филипс Н.В. Устройство для стрижки волос

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* Cited by examiner, † Cited by third party
Title
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CN102652051B (zh) 2015-10-14
EP2332699A1 (fr) 2011-06-15
WO2011069673A1 (fr) 2011-06-16
CN102652051A (zh) 2012-08-29
EP2509755B1 (fr) 2014-09-17

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