EP3995271A1 - Tête d'un dispositif de soins personnels et dispositif de soins personnels - Google Patents

Tête d'un dispositif de soins personnels et dispositif de soins personnels Download PDF

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Publication number
EP3995271A1
EP3995271A1 EP20205856.6A EP20205856A EP3995271A1 EP 3995271 A1 EP3995271 A1 EP 3995271A1 EP 20205856 A EP20205856 A EP 20205856A EP 3995271 A1 EP3995271 A1 EP 3995271A1
Authority
EP
European Patent Office
Prior art keywords
mechanical engagement
head
locking element
engagement element
personal care
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
Application number
EP20205856.6A
Other languages
German (de)
English (en)
Inventor
Martin Diehl
Roxana Ella PETROVIC
Dominique BIENFAIT
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.)
Braun GmbH
Original Assignee
Braun 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 Braun GmbH filed Critical Braun GmbH
Priority to EP20205856.6A priority Critical patent/EP3995271A1/fr
Priority to CN202111297503.6A priority patent/CN114434500B/zh
Publication of EP3995271A1 publication Critical patent/EP3995271A1/fr
Pending legal-status Critical Current

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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
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B26B19/145—Cutters being movable in the cutting head
    • 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
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • 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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3806—Accessories

Definitions

  • the present disclosure is concerned with a head of a personal care device comprising a separate head portion that is positionally confined at a head housing by a first locking element.
  • personal care devices may comprise small parts or sharp parts. It is generally advisable to arrange such personal care devices so that these parts do not easily disassemble or detach from the personal care device even in case the device is dropped in use to a stone floor as small parts may be swallowed by children or a user or other person may step onto a sharp part with a bare foot, which is not unusual if the personal care device is used in the bathroom in a regular morning personal care procedure.
  • a head for a personal care device comprises a head housing having a top aperture and a bottom portion arranged for attachment to a body of the personal care device, a separate head portion, preferably a treatment assembly, extending through and beyond the top aperture, a first locking element for positionally confining the separate head portion at the head housing, the head housing comprising at least a first mechanical engagement element and the first locking element comprising at least a second mechanical engagement element, the first and the second mechanical engagement elements being mechanically engaged for positionally locking the first locking element at the head housing, and the head housing further comprising at least a third mechanical engagement element positioned underneath the first mechanical engagement element with respect to a direction from the top aperture towards the bottom portion, the third mechanical engagement element being structured for engagement with the second mechanical engagement element.
  • a head for a personal care device comprises a head housing having a top aperture and a bottom portion arranged for attachment to a body of the personal care device, a separate head portion, preferably a treatment assembly, extending through and beyond the top aperture, a first locking element for positionally confining the treatment assembly at the head housing, a second locking element being disposed underneath the first locking element with respect to a direction from the top aperture towards the bottom portion, the head housing comprising at least a first mechanical engagement element and the first locking element comprising at least a second mechanical engagement element, the first and the second mechanical engagement elements being mechanically engaged for positionally locking the first locking element at the head housing, and the head housing further comprising at least a third mechanical engagement element and the second locking element comprising at least a fourth mechanical engagement element, the third and the fourth mechanical engagement elements being mechanically engaged for positionally locking the second locking element at the head housing.
  • a personal care device that comprises a head as disclosed herein.
  • personal care shall mean the nurture (or care) of the skin and of its adnexa (i.e. hairs and nails) and of the teeth and the oral cavity (including the tongue, the gums etc.), where the aim is on the one hand the prevention of illnesses and the maintenance and strengthening of health and on the other hand the cosmetic treatment and improvement of the appearance of the skin and its adnexa. It shall include the maintenance and strengthening of wellbeing. This includes skin care, hair care, and oral care as well as nail care. This further includes grooming activities such as beard care, shaving, and depilation.
  • a "personal care device” thus means any device for performing such nurturing or grooming activity, e.g.
  • (cosmetic) skin treatment devices such as skin massage devices or skin brushes; wet razors; electric shavers or trimmers; electric epilators; and oral care devices such as manual or electric toothbrushes, (electric) flossers, (electric) irrigators, (electric) tongue cleaners, or (electric) gum massagers.
  • oral care devices such as manual or electric toothbrushes, (electric) flossers, (electric) irrigators, (electric) tongue cleaners, or (electric) gum massagers.
  • an electric rotary shaver was chosen to present details of the proposed personal care device. To the extent in which the details are not specific for an electric rotary shaver, the proposed technology can be used in any other personal care device.
  • a head for a personal care device comprises a separate head portion that is positionally confined at a head housing by a first locking element.
  • the separate head portion may be a treatment assembly for providing a personal care treatment, e.g. a cutter assembly comprising an outer cutter element and an inner cutter element.
  • the separate head portion is exemplified by a rotary cutter assembly for a rotary shaver that provides facial skin care or body skin care by means of shaving off hairs to improve the appearance of the skin.
  • the basic structure of the head shall be understood as comprising a hollow head housing that defines a top aperture through which the separate head portion extends. The separate head portion may extend beyond the top aperture.
  • the head housing further comprises a bottom portion that is arranged for in particular detachable attachment to a body of the personal care device so that the head and the body together form the personal care device when they are attached to each other.
  • the bottom portion of the head housing and a body housing of the body may comprise mechanical connection elements such as coupling partners of a bayonet mount or partners of a snap connection to establish the connection.
  • the head housing and the first locking element are mechanically engaged with each other to secure the first locking element at the head housing under normal operation conditions.
  • the head housing and the first locking element each have at least one mechanical engagement element that together form at least a first engaged pair of mechanical engagement elements.
  • the head housing and the first locking element may each comprise one or several further mechanical engagement elements and some of them may form further engaged pairs of mechanical engagement elements.
  • the head may comprise a second locking element that has as well one or several mechanical engagement elements of which at least one is mechanically engaged with a mechanical engagement element of the head housing.
  • the mechanical engagement elements may be realized as projections and recesses, in particular as snap-fit connection elements such a as a protruding edge and a corresponding snap-in area, where at least one of the partners of the snap-fit connection is arranged to elastically deform in an attachment process and optionally also in a detachment process.
  • the head housing is said to comprise a first mechanical engagement element and the first locking element to comprise a second mechanical engagement element and the head housing further comprises a third mechanical engagement element.
  • the second mechanical engagement element comprises a fourth mechanical engagement element.
  • the terms “first”, “second”, “third” and “fourth” are not to be understood as a numbering having any specific meaning but are used for semantically differentiating the mechanical engagement elements.
  • the head housing and the first and second locking elements may each comprise one or several further mechanical engagement elements.
  • the head housing comprises four mechanical engagement elements and the first locking element comprises two mechanical engagement elements (likewise, the second locking element also comprises two mechanical engagement elements in the respective examples). But this shall not be understood as limiting.
  • the first and third mechanical engagement elements may be provided on an inner side of the head housing.
  • the head housing, the first locking element or the second locking element are made at least partially from metal or any other suitable material
  • the respective parts shown in the figures shall be understood as consisting of a plastic material allowing the parts to be made by a plastic injection molding process.
  • the head housing and the first locking element are secured to each other by at least a first engaged pair of mechanical engagement elements and optionally by at least a second engaged pair of mechanical engagement elements.
  • the head housing comprises a first mechanical engagement element that is part of the first engaged pair of mechanical engagement elements and the first locking element comprises a second mechanical engagement element that is as well part of the first engaged pair of mechanical engagement elements.
  • the head housing comprises a third mechanical engagement element that is provided underneath the first mechanical engagement element.
  • the third mechanical engagement element is arranged to be able to become engaged with the second mechanical engagement element, e.g. the third mechanical engagement element may essentially be a copy of the first mechanical engagement element.
  • the third mechanical engagement element is aligned in position with the first mechanical engagement element with respect to the direction from the top aperture to the bottom portion.
  • the second mechanical engagement element may then become engaged with the third mechanical engagement element.
  • the distance between the first mechanical engagement element and the third mechanical engagement element may be chosen so that the separate head portion is then flush with the head housing portion defining the top aperture.
  • the force acting on the separate head portion then acts also or only on the head housing and cannot further push the separate head portion downwards.
  • the first locking element would then not disengage from the head housing and would still positionally confine the separate head portion with respect to the head housing.
  • the separate head portion or parts thereof will then not detach from the head, e.g. when the head detaches from the body of the personal care device due to the impact or when a user detaches the head from the body.
  • the risk stemming from small parts and/or sharp parts that detach from the head is thus effectively reduced.
  • the position of the third mechanical engagement element may be chosen so that in an attached state, i.e. when the head is attached to a body of a personal care device, a lower contact surface may essentially be in contact with
  • the first mechanical engagement element and/or the second mechanical engagement element may comprise a chamfer that supports that the first and second mechanical engagement elements can disengage from each other in an impact event with a lower risk of destruction, e.g. plastic deformation of one of the mechanical engagement elements or even cutting off of a piece from one of the mechanical engagement elements.
  • the third mechanical engagement element is engaged with a fourth mechanical engagement element of a second locking element.
  • the first locking element is thus supported in its locking function by the second locking element.
  • the second locking element In the attached state, i.e. when the head is attached to the body of the personal care device), the second locking element may abut a stopper surface of the body housing or may at least be arranged close to a portion of the body housing so that the second locking element cannot become detached from the head housing in an impact event but would transfer the impact force to the body housing, which portion of the body may provide the stopper surface. Even if the first locking element would become detached from the head housing or if the first locking element would become destroyed in a manner that it could not perform its locking function, the second locking element would then probably still be in place to positionally confine the separate head portion at the head housing.
  • Fig. 1A is a depiction of an example personal care device 1, here realized as a rotary shaver.
  • the personal care device 1 has a head 100 and a body 200.
  • the head 100 comprises a head housing 101 and a separate head portion 110 that is positionally confined at the head housing as will be explained in detail further below.
  • the separate head portion 110 is here realized as a treatment assembly, specifically as a cutter assembly of a rotary shaver.
  • the personal care device extends along a longitudinal axis L.
  • Fig. 1B is a depiction of the personal care device 1 shown in Fig. 1A but in a state in which the head 100 is detached from the body 200.
  • the head 100 may be attachable to the body 200 by means of a bayonet mount, but this is just of many attachment possibilities generally known by a skilled person and should not be understood as limiting.
  • the body comprises a drive shaft 210 for interaction with a drive shaft receiver element so that in operation a motion of the drive shaft 210 can be transmitted to a movable part of the separate head portion 110 (e.g. to a movable inner cutter element).
  • Fig. 2A is an isolated depiction of the head 100 shown in Figs. 1A and IB.
  • the head 100 comprises a head housing 101 and a separate head portion 110 here realized as a treatment assembly, namely as a shaver assembly, specifically as a rotary shaver assembly.
  • the shaver assembly here comprises an outer static cutter element 111 and a movable inner cutter element as can be better seen in Fig. 2B .
  • the separate head portion 110 extends through and beyond a top aperture 102.
  • the head 100 comprises a bottom portion 103 that is arranged for coupling with a body of a personal care device as shown in Figs. 1A and 1B .
  • the head 100 has a longitudinal axis L that centrally extends through the top aperture 102 and the bottom portion 103.
  • a direction from the top aperture 102 towards the bottom portion 103 will be referred to a direction from the top aperture 102 towards the bottom portion 103.
  • this direction is coinciding with the longitudinal axis and thereby defines a reference for terms like "above” or "underneath”, where above shall mean that something is closer to the top aperture 102 than something else and underneath that something is closer to the bottom portion than something else.
  • the phrase "part A is arranged underneath part B with respect to the direction from the top aperture towards the bottom portion” means that part A is located closer to the bottom portion than part B.
  • Fig. 2B is a cross-sectional cut through the head 100 shown in Fig. 2A .
  • the head 100 comprises a head housing 101 having a top aperture 102, a bottom portion 103, a bottom aperture 104 and an inner side 130, a separate head portion 110 and a first locking element 120.
  • the separate head portion 110 is realized as a treatment assembly, namely as a shaver assembly for providing a hair cutting treatment.
  • the cutter assembly comprises an outer cutter element 111 intended for getting into skin contact, the outer cutter element 111 comprising openings for hairs to extend through to get cut by a movable cutter element 112, namely a movably arranged set of cutting knives that in operation will glide along an inner surface of the outer cutter element 111 in the area of the mentioned slits.
  • the cutter assembly here also comprises a drive shaft receiver 113 for receiving a drive shaft of the body of the personal care device as was discussed in connection with Fig. 1B .
  • the separate head portion 110 extends through and beyond the top aperture 102 and the separate head portion 110 is positionally confined at the head 100 by a first locking element 120.
  • the head housing 101 has a first mechanical engagement element 131 formed on the inner side 130 of the head housing 101, which first mechanical engagement element 131 is engaged with a second mechanical engagement element 121 of the first locking element 120.
  • the first mechanical engagement element 131 and the second mechanical engagement element 121 together form a first engaged pair of mechanical engagement elements.
  • the head 100 comprises a second engaged pair of mechanical engagement elements 122, 132 provided by the first locking element 120 and the head housing 101, where a mechanical engagement element 122 is formed at the first locking element and another mechanical engagement element 132 is formed at the head housing 101.
  • the first mechanical engagement element 131 is here realized as a depression in the inner side 130 of the head housing 101 and the second mechanical engagement element 121 is realized as a projection of the first locking element 120.
  • the head housing 101 comprises a third mechanical engagement element 133 that is located underneath the first mechanical engagement element 131.
  • the third mechanical engagement element 133 is essentially a copy of the first mechanical engagement element and thus arranged to engage with the second mechanical engagement element 121.
  • the head housing 101 here also comprises one or several projections 139 disposed on the inner side 130 of the head housing 101 in the bottom portion 103. These projections 139 are suitable for engaging with a bayonet receptor in the body of the personal care device as discussed in connection with Fig. 1B .
  • Fig. 2C shows a cross-sectional cut through the head 100 taken along plane A-A as indicated in Fig. 2B , where the view direction is from the bottom up.
  • the head housing 101 comprises the first mechanical engagement element 131 and another mechanical engagement element 132 that are here realized as depressions or recesses in the inner side 130 of the head housing 101.
  • the first locking element 120 is here realized as a ring-like element that has here two projections that realize the second mechanical engagement element 121 and a further mechanical engagement element 122.
  • the first mechanical engagement element 131 and the second mechanical engagement element 121 together form a first engaged pair of mechanical engagement elements 1231 and the further mechanical engagement elements form a second engaged pair of mechanical engagement elements 1232.
  • the ring-like first locking element will deform, e.g. into a more elliptic shape until the projections 121 and 122 snap into the recesses 131 and 132 of the head housing 101.
  • the first locking element 120 may have any suitable shape and the ring-like shape shown here is just one example that is suited for positionally confining a circular cutter assembly at the head housing 101.
  • Fig. 3 is a perspective depiction of the first locking element 120 of Figs. 2B and 2C shown in isolation.
  • the ring-like first locking element 120 has two projections 121 and 122 and a top contact surface 128 and a bottom contact surface 129.
  • Fig. 4 is a cross-sectionally cut through the head 100 shown in Figs. 2A to 2C after an external force F has acted on the separate head portion 110 that is realized as a rotary cutter assembly.
  • an external force F may act on the separate head portion 110, specifically at the outer cutter element 111 when the head 100 hits the ground, e.g. after a user has dropped the personal care device.
  • a force may act on the separate head portion 110 that is transferred to the first locking element 120 and that may cause that the second locking element 121 becomes disengaged from the first mechanical engagement elements 131.
  • a further pair of engaged mechanical engagement elements 122, 132 became disengaged.
  • the separate head portion 110 that has originally extended beyond the top aperture 102 as is indicated with dotted lines was be pushed into the head housing 101 when it hits the ground - it is here assumed that it hits the ground in a straight top-down manner where the force F is evenly distributed over the outer area of the separate head portion 110, namely here the outer cutter element 111.
  • the force F will act on the head housing 101 and the separate head portion 110 can then not be further pushed inside the head housing 101.
  • the head housing 101 may be structured to absorb the energy of the impact on the ground by elastic deformation and the head housing 101 will also transfer impact energy onto the body housing of the personal care device so that the device may not fracture when it is dropped.
  • the distance by which the separate head portion 110 is pushed inwards is indicated by reference numeral d.
  • the third mechanical engagement element 133 which is structured to allow engagement with the second mechanical engagement element 121, is located underneath the first mechanical engagement element 131 at a distance d, i.e. once the pushing inwards of the separate head portion 110 is stopped in the position as shown in Fig. 4 where the outer surface of the separate head portion 110 is flush with the head housing portion defining the top aperture 102, then the first locking element 120 is at a position so that the third mechanical engagement element 133 and the second mechanical engagement element 121 can engage as is shown.
  • the further mechanical engagement element 122 of the first locking element became engaged with a further mechanical engagement element 134 of the head housing 101.
  • the first locking element 120 will then still positionally confine the separate head portion 110 at the head housing 101 and even if the head 100 would disengage from the body of the personal care device when it hits the ground, the separate head portion 110 would not detach from the head 100.
  • the latter may be specifically problematic if - as in the shown example - the separate head portion is a cutter assembly that comprises a very sharp inner cutter element 112. While the described impact event is a highly dynamic process, the elastic deformations of the various parts of the head 100 are here not discussed.
  • the position of the third mechanical engagement element 133 may be chosen so that a contact surface 129 of the first locking element 120 may come into contact with a stopper surface of the body housing of the body in the attached state of the head 100.
  • the second mechanical engagement element 121 may comprise a chamfer 1221 that supports a non-destructive disengagement of the second mechanical engagement element 121 from the first mechanical engagement element 131.
  • the first and the third mechanical engagement elements and eventually further mechanical engagement elements provided at the head housing 101 may each comprise an outer chamfer 1311, 1321, 1331, 1341 that supports a non-destructive assembling of the first locking element 120. A user may be able to re-insert the first locking element 120 into its upper original position by applying an upwards directed force onto the first locking element 120.
  • the head housing and the body housing may be designed so that a lower contact surface 129 of the first locking element 120 contacts a stopper surface of the body housing so that a disengagement of the first locking element 120 from the lower engagement position shown in Fig. 4 is effectively prevented.
  • the force F acting on the separate head portion 110 and thus on the first locking element 120 may cause a destruction of at least one of the first mechanical engagement element 131 or the second mechanical engagement element 121.
  • the projection forming the second mechanical engagement element 121 may simply be shorn off.
  • the second mechanical engagement element 121 may comprise a chamfer 1211 as was already discussed and/or the first mechanical engagement element 131 may comprise an inner chamfer so that in the impact event the engaged first and second mechanical engagement elements 131 and 121 can disengage without a relevant destruction or plastic deformation.
  • Fig. 5 is a cross-sectional cut through an example head 100A, where a first locking element 120A and a second locking element 140A serve to positionally confine a separate head portion 110A at a head housing 101A.
  • the head housing comprises a first mechanical engagement element 131A, a third mechanical engagement element133A and two further mechanical engagement elements 132A and 134A;
  • the first locking element 120A comprises a second mechanical engagement element 121A and a further mechanical engagement element 122A;
  • the second locking element 140A comprises a fourth mechanical engagement element 141A and a further mechanical engagement element 142A.
  • the first mechanical engagement element 131A and the second mechanical engagement element 121A are engaged as are the further mechanical engagement elements 132A and 122A; the third mechanical engagement element 133A and the fourth mechanical engagement element 141A are engaged as are the further mechanical engagement elements 134A and 142A.
  • the first locking element 120A has a lower contact surface 129A and the second locking element 140A has an upper contact surface 148A, which are facing each other, and which may get into contact in an impact event.
  • the second locking element 140A has a lower contact surface 149A that here abuts a stopper surface 202A of the body housing 201A.
  • the body comprises a drive unit comprising a drive shaft 211A to which drive adapter 210A is attached, which drive adapter is engaged with a drive shaft receiver 113A so that motion can be transferred from the drive unit to a movable part 112A of the separate head portion 120A.
  • Fig. 6 is a cross-sectional cut through a portion of an example head 100B attached to a body housing 201B of a body of a personal care device - Fig. 6 is rather similar to what is shown in and discussed with reference to Fig. 5 .
  • the head 100B comprises a separate head portion 110B realized as a cutter assembly.
  • the separate head portion 110B is positionally confined at a head housing 101B by a first locking element 120B.
  • the head housing 101B comprises a first mechanical engagement element 131B that is engaged with a second mechanical engagement element 121B of the first locking element 120B.
  • the second mechanical engagement element 121B comprises a chamfer 1211B arranged on the lower side of the second mechanical engagement element 121B so that it can glide along a lower edge 135B of the first mechanical engagement element 131B when a force acts on the first locking element 120B to push it downwards.
  • the head housing 101B comprises a third mechanical engagement element 133B that is engaged with a fourth mechanical engagement element 141B of a second locking element 140B.
  • the fourth mechanical engagement element 141B comprises a chamfer 1411B arranged on the lower side of the second mechanical engagement element 141B so that it can glide along a lower edge of the third mechanical engagement element 133B when a force acts on the first locking element 120B to push it downwards.
  • a lower contact surface 149B of the second locking element 140B is arranged at a distance c to a stopper surface 202B of the body housing 201B.
  • the gap i.e. distance c, may be chosen to be smaller than a thickness of second locking element 140B so that the latter can elastically deform in an impact event but will not disengage from the head housing 101A as it is stopped by the stopper surface 202B prior to any disengagement.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)
EP20205856.6A 2020-11-05 2020-11-05 Tête d'un dispositif de soins personnels et dispositif de soins personnels Pending EP3995271A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20205856.6A EP3995271A1 (fr) 2020-11-05 2020-11-05 Tête d'un dispositif de soins personnels et dispositif de soins personnels
CN202111297503.6A CN114434500B (zh) 2020-11-05 2021-11-04 个人护理装置的头部和个人护理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20205856.6A EP3995271A1 (fr) 2020-11-05 2020-11-05 Tête d'un dispositif de soins personnels et dispositif de soins personnels

Publications (1)

Publication Number Publication Date
EP3995271A1 true EP3995271A1 (fr) 2022-05-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20205856.6A Pending EP3995271A1 (fr) 2020-11-05 2020-11-05 Tête d'un dispositif de soins personnels et dispositif de soins personnels

Country Status (2)

Country Link
EP (1) EP3995271A1 (fr)
CN (1) CN114434500B (fr)

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US6044558A (en) * 1998-03-10 2000-04-04 Modas Shing Company Ltd. Combination of hair combing trimmer, shaver, and head side profile cutter
EP1591211A1 (fr) * 2004-04-27 2005-11-02 Izumi Products Company Rasoir électrique rotatif
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US5490328A (en) * 1993-05-31 1996-02-13 Matsushita Electric Works, Ltd. Dry shaver
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EP1591211A1 (fr) * 2004-04-27 2005-11-02 Izumi Products Company Rasoir électrique rotatif
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