EP2205412A1 - Hair trimmer - Google Patents
Hair trimmerInfo
- Publication number
- EP2205412A1 EP2205412A1 EP08802839A EP08802839A EP2205412A1 EP 2205412 A1 EP2205412 A1 EP 2205412A1 EP 08802839 A EP08802839 A EP 08802839A EP 08802839 A EP08802839 A EP 08802839A EP 2205412 A1 EP2205412 A1 EP 2205412A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- teeth
- cutting element
- fixed cutting
- protective pad
- hair trimmer
- 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
Links
- 210000004209 hair Anatomy 0.000 title claims abstract description 71
- 230000001681 protective effect Effects 0.000 claims abstract description 90
- 239000000463 material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 208000028990 Skin injury Diseases 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000006378 damage Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 210000000746 body region Anatomy 0.000 description 4
- 230000003534 oscillatory effect Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010040880 Skin irritation Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004392 genitalia Anatomy 0.000 description 1
- 230000003370 grooming effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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
- B26B19/20—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers with provision for shearing hair of preselected or variable length
-
- 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
- B26B19/382—Built-in accessories
-
- 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
- B26B19/3846—Blades; Cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
Definitions
- the invention relates to a hair trimmer with a fixed cutting element having teeth on the front and an oscillatingly movable against the fixed cutting element cutting element having teeth on the front, so that when using the Haartrimmers between the teeth of the fixed and movable cutting element arrive, be separated.
- Hair trimmers of the type mentioned are known. They are used by hairdressers, for example, in the professional hair care sector, or by the home user for trimming main or beard hair.
- Another area of application is added body grooming, in which the user wants to achieve above all an esthetically effective effect by a thorough hair removal in other body regions, such as the underarm area, in the bikini area or in the genital area.
- Disadvantage of the known trimmer is that either the distance between the teeth of the cutting elements is so large that the thinner skin in the body regions mentioned can get between the teeth and is then cut painful o- which is the tooth itself when the teeth of the cutting elements must be made so narrow that they can thread into the relatively wide hair channels in the skin of the body regions mentioned and can tear them painfully when moving the hair trimmer.
- a razor which has a designed as a long-hair trimmer hair trimmer of the type mentioned.
- the trimmer has a skin protection element, which is arranged in front of the mutually movable cutting elements and protects the skin from direct contact with the cutting teeth of the cutting elements.
- a disadvantage of this skin protection element is that when shaving in the body regions mentioned the skin come into contact with the metal, fixed cutting element and this cold contact can be perceived by the user as unpleasant.
- a fold of the skin between the skin protection element and the cutting elements can be clamped by the resiliently arranged fingers of the skin protection element when moving the Haartrimmers on the skin, which can cause the skin between the teeth of the fixed cutting element threaded and then cut becomes.
- the object of the present invention is to provide an improved hair trimmer in which a high comfort of use and a prevention of painful skin injuries are achieved while at the same time thoroughly cutting off the hair near the skin surface.
- the object is achieved by a hair trimmer according to the Merkmaien of claim 1.
- the dependent claims indicate further embodiments.
- the hair trimmer according to claim 1 comprises a protective pad which is disposed on the fixed cutting element and for supporting the Haartrimmers in use on the skin of the user.
- a pleasant feeling for the user can be achieved, such as the fact that a plastic material is selected as the material of the protective pad, so that the skin contact no cold feeling.
- the protective pad has teeth in the front area, these teeth of the protective pad can extend to the front area of the stationary cutting element without necessarily covering the teeth of the stationary cutting element.
- the teeth of the protective pad with the teeth of the fixed cutting element front complete or only slightly beyond the teeth of the fixed cutting element, it is achieved that the skin of the user in a conventional use does not come into contact with the teeth of the fixed cutting element or only with the front of the teeth comes into contact and at the same time provide the teeth of the protective pad and that the teeth of the fixed cutting element can not thread into hair channels, since the front end or slightly protruding teeth of the protective pad prevent this by their additional front bearing surface.
- the front bearing surfaces of the teeth of the protective pad are so to choose so that threading into hair channels essentially can not occur.
- the teeth of the protective pad may extend slightly beyond the teeth of the fixed cutting element, this extension is preferably provided only in the plane of extent of the teeth of the fixed cutting element so that the teeth of the protective pad will not extend in front of the front of the teeth of the fixed cutting element. This allows the front face of the teeth of the stationary cutting element to be brought very close to the skin surface, which also allows clipping of the hair very close to the skin surface. Known protective requirements do not allow this. By “slightly” is meant here that the teeth of the protective pad do not project beyond the teeth of the fixed cutting element further than one of the front-side thickness of the teeth of the fixed cutting element corresponding length.
- the center distance of the teeth of the protective pad is greater than the center distance of the teeth of the fixed cutting element. It is particularly interesting if the center distance of the teeth of the protective pad is an integral multiple of the center distance of the teeth of the fixed cutting element. Then, there is a regular pattern of registration between the teeth of the protective pad and the teeth of the fixed cutting element. In a further embodiment of the hair trimmer, the teeth of the protective pad are wider than the teeth of the fixed cutting element. The increased width of the teeth of the protective pad still helps prevent the Einf ⁇ deins of teeth of the fixed cutting element in hair channels.
- each one tooth of the protective overlay covers at least one space between two teeth of the fixed cutting element.
- the teeth of the protective pad can be constructed particularly wide compared to the teeth of the fixed cutting element, which particularly supports the prevention of Einf ⁇ deins of teeth of the fixed cutting element in hair channels. If exactly a gap between the teeth of the fixed cutting element is covered, then the overlaying teeth of the protective overlay also only ever influence a gap in its cutting efficiency.
- a tooth of the protective pad has a projection which projects into the overlapped space between two teeth of the fixed cutting element.
- the protective pad rests substantially gap-free on the fixed cutting element (in some embodiments, the fixed cutting element is crimped with the protective pad)
- the teeth of the protective pad but resiliently rest on the stationary cutting element, when using the Haartrimmers hair between the teeth Clamp the protective support and teeth of the fixed cutting element, whereupon these hairs can be pulled out painfully when the trimmer moves against the skin.
- the protrusion projecting into the gap effectively prevents hair from becoming trapped between the teeth, particularly when the projection is flush with the teeth of the fixed cutting element at the front or extends slightly beyond the front of the teeth of the fixed cutting element.
- the teeth of the protective pad are rounded at the front, which supports a pleasant feeling on the skin when using the hair trimmer.
- the height of the teeth of the protective pad decreases towards the front of the hair trimmer, which promotes thorough hair removal, since then the cutting elements can be brought very close to the skin and hairs are severed very close to the skin.
- the protective overlay is at least in the region of the teeth gap-free connected to the fixed cutting element, such as by gluing. In a gap-free connection no hair can pinch between the teeth of the protective pad and the teeth of the fixed cutting element.
- the center distance between the teeth of the fixed cutting element is 0.1 to 0.9 mm, preferably 0.3 to 0.7 mm.
- the teeth of the fixed cutting element still have enough stability, but it is also prevents skin between the teeth of the fixed cutting element Since skin folds are typically thicker than the gap of about 0.2 mm between the teeth of the fixed cutting element.
- the fixed cutting element is made of a metal sheet with a thickness of 0.1 to 0.5 mm, preferably 0.25 to 0.35 mm. This provides the sheet with sufficient stability and also results in a thorough hair removal, since the separation can then be carried out because of the relatively small thickness of the sheet very close to the skin surface.
- FIG. 1 shows an exemplary example of an exemplary embodiment of a hair trimmer in a lateral front view
- FIG. 2 is an exploded view of the head portion of the Haartrimmers of FIG. 1,
- FIG. 3 is a plan view of the head portion of the Haartrimmers of FIG. 1,
- FIG. 4 is an enlarged detail of the top view of the hair trimmer of FIG. 3,
- FIG. 5 is a side view of a vertical, cut perpendicular to the front of a hair trimmer head
- Fig. 6 is a detail of the teeth of the cutting elements and the protective pad in an obliquely upward viewing angle.
- a trimmer unit 20 which (as seen in Figure 2) consists of a fixed cutting element and a movable cutting element, is disposed on the head of the hair trimmer and a wet razor with a blade cartridge 40 is slidably disposed on the back of the hair trimmer. so that in addition to (or at the same time) the electrical hair removal and hair removal by blade shaving is allowed.
- a protective pad 3 is arranged on the trimmer unit 20, a protective pad 3 is arranged.
- the protective pad in this embodiment is made of a plastic material that creates a pleasant feeling on the skin when The hair trimmer with the protective pad is placed on the skin and pulled over the skin.
- Fig. 2 is an exploded view of the head portion of the hair trimmer of Fig. 1 without exploded view of the wet shaver.
- the protective overlay 3 has been made in one piece with a plastic frame 30, such as by means of a plastic injection molding process.
- a metal frame 31 is connected to the plastic frame 30.
- the trimmer unit 20 consists of a fixed cutting element 20 '(comb) and a cutting element 20 "(blade) movable in a linear oscillatory manner against the fixed cutting element 20'
- the stationary cutting element 20 ' is crimped on the head side with the protective overlay
- the stationary cutting element 20' has Front arranged teeth, which cooperate with likewise arranged on the front teeth of the movable cutting element 20 "such that hair, threading between the teeth of the fixed cutting element 20 'by the oscillatory movement of the movable cutting element 20" are separated, the separation process depending on Execution of the teeth of the movable cutting element 20 "is a cutting or shearing.
- the movable cutting element 20 "sits on a driver 21, the foot has a guide, in which a movement transformer (not shown) engages to the driver 21 with the movable cutting element 20" linearly oscillatory, parallel to the front against the fixed cutting element 20 ' move.
- a pressure element 22 By means of a pressure element 22, are arranged in the springs, the movable cutting element 20 is pressed 'against the fixed cutting element 20'.
- FIG. 3 is a plan view of the head of the hair trimmer 1 according to FIG. 1.
- the protective overlay 3 has teeth 4 in the front region. Between the teeth 4 of the protective pad 3 teeth of the fixed cutting element 20 'can be seen. With a dashed frame a section A is determined, which is shown enlarged in Fig. 4.
- FIG. 4 shows the enlarged detailed detail A from FIG. 3.
- Five teeth 4 of the protective overlay 3 can be seen.
- the teeth 4 of the protective pad 3 extend slightly over the front of the teeth of the fixed cutting element 20 '(which is better seen in Fig. 6).
- the teeth 4 of the protective support extend only slightly in their Warre-, which is the plane of extension of the teeth of the fixed cutting element 20 ', slightly in front of the teeth of the fixed cutting element 20'.
- the teeth 4 of the protective pad 3 do not extend in front of the front side of the teeth of the fixed cutting element 20 '.
- the center distance M between the teeth 4 of the protective pad is three times as large as the center distance M '(which is shown in Fig.
- Fig. 5 shows a side-frontal view of the vertically, cut at right angles to the front side head portion of the hair trimmer with the trimmer unit.
- the fixed cutting element 20 ' is bent upwards stepwise behind the teeth arranged in the front region, so that the friction between the fixed cutting element 20' and the movable cutting element 20 "is minimized. lie parallel to each other and thus define a cutting plane.
- the movable cutting element 20 is pressed onto projections of the driver 21.
- the projections also engage in precision slots of the fixed cutting element 20 'to ensure parallel guidance in the linear oscillatory movement of the movable cutting element 20".
- the height of the teeth 4 of the protective support 3 is reduced towards the front side and that the teeth 4 of the protective support 3 are rounded in the front region.
- the height of the teeth 4 of the protective overlay here is about 0.5 mm.
- the teeth 4 of the protective support 3 lie substantially free of gaps on the fixed cutting element 20 '. Since the fixed cutting element 20 'is crimped in the described embodiment in the bent portion with the protective pad 3, the teeth 4 of the protective pad 3 are only loosely on the teeth of the fixed cutting element.
- Hair that pinches into the minimal gap between the teeth 4 of the protective pad 3 and the teeth of the fixed cutting element 20 'when using the hair trimmer can pry this minimal gap against the spring force of the crimping in the rear area of the protective pad and between the Teeth 4 of the protective pad 3 and the teeth of the fixed cutting element 20 'are firmly clamped so that they can be torn from the skin painful and clog the trimmer unit, so that no further hair can thread.
- the teeth 4 of the protective support 3 are connected without gaps to the teeth of the fixed cutting element 20 ', for example by gluing with a suitable adhesive. Another possibility is to provide the teeth with a suitable projection. This will be described in the next section with reference to FIG.
- Fig. 6 shows in detail the teeth of the movable cutting element 20 ", the teeth of the fixed cutting element 20 'and the teeth 4 of the protective overlay 3 at an obliquely upward viewing angle, the teeth of the movable cutting element 20" are, as usual, against the Teeth of the fixed cutting element 20 'set back from the front.
- the teeth of the movable cutting element 20 “have, as usual, another, here a greater center distance than the teeth of the fixed cutting element 20 ', so that the cutting events along the front not as in occur at the same center distance at a time and load the energy source punctually, but almost continuously cutting events take place and the energy source is also continuously charged uniformly.
- the teeth 4 of the protective overlay protrude slightly beyond the teeth of the fixed cutting element 20 'only in their plane of extension, without the teeth 4 of the protective overlay being pulled in front of the teeth of the cutting elements, as is the case with known spacer combs or protective combs Case is.
- the sheet thickness of the fixed cutting element is 0.35 mm and the teeth 4 of the protective pad protrude about 0.1 mm beyond the teeth of the fixed cutting element 20 'addition.
- the width b of a tooth 4 of the protective overlay 3 is about two and a half times the width b '(FIG. 4 shows the widths b and b') of the teeth of the fixed cutting element 20 'and a tooth 4 of the protective overlay each covers a gap between two teeth of the fixed cutting element 20 '.
- the width b is about 0.7 mm and the center distance M 'is about 0.55 mm, so that a tooth 4 of the protective pad covers two teeth of the fixed cutting element 20' and the space lying between them.
- the center distance M (as shown in Fig. 4) of the teeth 4 of the protective pad is three times as large as the center distance M 'of the teeth of the fixed cutting element 20', so that in each case two spaces between the teeth of the fixed cutting element 20 'between two teeth 4th the protective cover remain uncovered.
- a tooth 4 of the protective cover further has a projection 5, which projects into the space covered by the tooth 4 of the protective pad between two teeth of the fixed cutting element 20 '(the projection has a height of about 0.2 mm and a length of 0.5 mm) , wherein the projection here protrudes slightly beyond the front of the teeth of the fixed cutting element 20 '(in the example shown, this is about 0.04 mm) and thus effectively prevents hair in a remaining gap between the teeth 4 of the protective pad and the teeth of the fixed clamping element 20 'can pinch.
- the protrusions 5 are shown here as part of the embodiment of FIGS. 5 and 6, the protrusions 5 are to be understood as an optional feature, which may also be omitted in the embodiment according to FIGS.
- the size of the teeth 4 of the protective pad also prevents the teeth of the fixed cutting element 20 'can thread into hair channels and then tear them.
- a typical value for the front width b of the teeth of the protective overlay is about 0.6 mm to 0.8 mm in order to substantially avoid threading into hair channels.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710050379 DE102007050379A1 (en) | 2007-10-22 | 2007-10-22 | hair trimmer |
PCT/EP2008/008518 WO2009052952A1 (en) | 2007-10-22 | 2008-10-09 | Hair trimmer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2205412A1 true EP2205412A1 (en) | 2010-07-14 |
EP2205412B1 EP2205412B1 (en) | 2013-03-13 |
Family
ID=40104655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08802839A Active EP2205412B1 (en) | 2007-10-22 | 2008-10-09 | Hair trimmer |
Country Status (6)
Country | Link |
---|---|
US (1) | US8850707B2 (en) |
EP (1) | EP2205412B1 (en) |
JP (1) | JP5242693B2 (en) |
CN (1) | CN101952090B (en) |
DE (1) | DE102007050379A1 (en) |
WO (1) | WO2009052952A1 (en) |
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DE102007050381A1 (en) * | 2007-10-22 | 2009-04-23 | Braun Gmbh | Hair removal device |
DE102007050379A1 (en) | 2007-10-22 | 2009-04-23 | Braun Gmbh | hair trimmer |
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WO2013072840A1 (en) * | 2011-11-17 | 2013-05-23 | Koninklijke Philips Electronics N.V. | Skin guard for hair trimmer |
PL2614938T3 (en) * | 2012-01-12 | 2020-06-29 | Spectrum Brands, Inc. | Electric hair trimmer |
WO2014191867A1 (en) * | 2013-05-30 | 2014-12-04 | Koninklijke Philips N.V. | Stationary cutting blade for a hair clipping device |
DE102013009306A1 (en) | 2013-06-04 | 2014-12-04 | Edmund Galster | Electric wet razor |
EP2875917A1 (en) * | 2013-11-22 | 2015-05-27 | Koninklijke Philips N.V. | Hair cutting appliance and blade set |
WO2015103248A1 (en) * | 2014-01-01 | 2015-07-09 | Daniel Lawrence Roth | Shaving and grooming apparatus |
USD748862S1 (en) * | 2014-03-13 | 2016-02-02 | Wahl Clipper Corporation | Hair clipper attachment comb with clip |
US20170057104A1 (en) * | 2014-03-31 | 2017-03-02 | Koninklijke Philips N.V. | Hair clipping device |
JP6341379B2 (en) * | 2014-09-30 | 2018-06-13 | パナソニックIpマネジメント株式会社 | Trimmer blade and trimmer equipped with the same |
BR112017016529B1 (en) * | 2015-02-04 | 2021-07-06 | Koninklijke Philips N.V. | CUTTING HEAD FOR A HAIR AND HAIR CUTTING APPLIANCE AND A HAIR AND HAIR CUTTING APPLIANCE |
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EP3854538A1 (en) * | 2020-01-23 | 2021-07-28 | Braun GmbH | Electric beard trimmer |
EP4112245A1 (en) * | 2021-06-28 | 2023-01-04 | Braun GmbH | Hair cutting kit |
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DE102007050381A1 (en) | 2007-10-22 | 2009-04-23 | Braun Gmbh | Hair removal device |
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CN102099158A (en) | 2008-07-16 | 2011-06-15 | 吉列公司 | Combination shaving and trimming device |
-
2007
- 2007-10-22 DE DE200710050379 patent/DE102007050379A1/en not_active Ceased
-
2008
- 2008-10-09 CN CN200880112594.8A patent/CN101952090B/en active Active
- 2008-10-09 JP JP2010530299A patent/JP5242693B2/en active Active
- 2008-10-09 WO PCT/EP2008/008518 patent/WO2009052952A1/en active Application Filing
- 2008-10-09 US US12/679,017 patent/US8850707B2/en active Active
- 2008-10-09 EP EP08802839A patent/EP2205412B1/en active Active
Non-Patent Citations (1)
Title |
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See references of WO2009052952A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009052952A1 (en) | 2009-04-30 |
JP5242693B2 (en) | 2013-07-24 |
US20110016723A1 (en) | 2011-01-27 |
JP2011500234A (en) | 2011-01-06 |
CN101952090A (en) | 2011-01-19 |
CN101952090B (en) | 2013-07-10 |
EP2205412B1 (en) | 2013-03-13 |
DE102007050379A1 (en) | 2009-04-23 |
US8850707B2 (en) | 2014-10-07 |
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