EP2465652B1 - Hair cutter - Google Patents
Hair cutter Download PDFInfo
- Publication number
- EP2465652B1 EP2465652B1 EP20110190782 EP11190782A EP2465652B1 EP 2465652 B1 EP2465652 B1 EP 2465652B1 EP 20110190782 EP20110190782 EP 20110190782 EP 11190782 A EP11190782 A EP 11190782A EP 2465652 B1 EP2465652 B1 EP 2465652B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- comb
- cutting unit
- blade
- skin contact
- hair cutter
- 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.)
- Active
Links
- 210000004209 hair Anatomy 0.000 title claims description 65
- 244000126211 Hericium coralloides Species 0.000 claims description 31
- 210000004761 scalp Anatomy 0.000 claims description 24
- 210000003128 head Anatomy 0.000 claims description 18
- 230000001154 acute effect Effects 0.000 claims description 7
- 238000010008 shearing Methods 0.000 description 7
- 206010040880 Skin irritation Diseases 0.000 description 6
- 230000036556 skin irritation Effects 0.000 description 6
- 231100000475 skin irritation Toxicity 0.000 description 6
- 208000019300 CLIPPERS Diseases 0.000 description 4
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 230000037380 skin damage Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
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
- B26B19/20—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
- B26B19/3813—Attachments
Definitions
- the invention relates to a hair cutter for shearing hair so that the hair is trimmed short.
- FIGS. 7A and 7B An electric shaver as shown in FIGS. 7A and 7B is one of the most common hair cutters.
- hair (H) is trimmed short, hair is sheared with a cutting unit directly kept in contact with a scalp (G).
- a hair cutter disclosed in Japanese Patent Application Publication No. 8-187374 (hereinafter referred to as a "Document-1”) is known as a hair cutter with which hair can be trimmed at home without requiring comparatively a lot of skill.
- the hair cutter of the Document-1 has a cutting unit which is at an end of a body and configured to shear hair, and a supporting member for supporting comb teeth sticking out of the tip of the cutting unit so that the cutting unit is apart from a scalp by a predetermined interval. Hair is cut with the cutting unit while the body is moved from above to below with the tip of the supporting member kept in contact with the scalp.
- a presser for pushing hair when the hair is sheared by moving the body is provided in parallel with the cutting faces of the cutting unit, and the presser is placed behind the shearing position of the cutting unit. Thereby, any body can shear the whole easily and uniformly with dispatch.
- FIG. 7A when hair is sheared by moving a body 2 forward (D), the hair can be sheared safely with a cutting unit 3 because an end side of the body 2 comes into contact with the scalp (G).
- FIG. 7B when hair is sheared by drawing (pulling) the body 2 rearward (E) with the tip of the cutting unit 3 kept at right angle with the scalp (G) (draw cutting), there is a possibility of skin damage by the cutting unit 3 because a force for pressing the tip of the cutting unit 3 is liable to concentrate on the scalp (G). Therefore, the draw cutting as shown in FIG. 7B is under the ban through the owner's manual or the like. There is however a use error possibility.
- US 3,651,570 A discloses a clipper unit comprising a body, a cutting unit including a fixed blade and a movable blade, and a contact member with a bearing surface for engaging and sliding on the hair of a user.
- US 2,867,902 A discloses a power driven hair clipper with a clipper head providing a flat bearing surface or face which extends transversely for the entire width of the clipper and which has laterally spaced cutting slots of substantial depth extending from the leading edge to the trailing edge of the face.
- a hair cutter (1) of the present invention comprises: a body (2); a cutting unit (3) for cutting hair, the cutting unit (3) being placed at an end side of the body (2); and a contact member (10) that is located around a tip of the cutting unit (3) and configured to come into contact with a skin of a region on which hair to be cut with the cutting unit (3) grows.
- the contact member (10) comprises a comb member (13) having comb teeth (12) arranged side by side. Each tip of the comb teeth (12) is a skin contact edge face (11).
- the cutting unit (3) is arranged so that a part of the cutting unit (3) sticks further out than each skin contact edge face (11) of the comb member (13).
- the cutting unit (3) has first and second faces. At least a part of the comb teeth (12) comprises pairs of first and second comb tooth halves (12a, 12b).
- the first comb tooth halves (12a) and the second comb tooth halves (12b) in the comb member (13) are arranged at the first face side and the second face side of the cutting unit (3), respectively so that the cutting unit (3) is intervened between the first comb tooth halves (12a) and the second comb tooth halves (12b).
- the contact member (10) is placed so that each edge direction (D, E) of the skin contact edge faces (11) of the comb member (13) and a direction that the part of the cutting unit (3) sticks out are in the shape of a cross.
- the cutting unit (3) comprises a fixed blade (4) which is a comb blade and a movable blade (5) which is a comb blade and configured to oscillate so that the movable blade (5) slides against the fixed blade (4).
- the fixed blade (4) is arranged so that a tip of the fixed blade (4) sticks further out than each skin contact edge face (11) of the comb member (13).
- the movable blade (5) is arranged so that a tip of the movable blade (5) is set further back than each skin contact edge face (11) of the comb member (13).
- a projection direction (A) of the part of the cutting unit (3) is inclined to be an obtuse angle with the long axis (B) of the body (2).
- Each skin contact edge face (11) of the comb member (13) is an acute angle ( ⁇ ) with the long axis (B) of the body (2).
- the body (2) comprises a head (2a) at said end side of the body (2).
- the head (2a) is provided with the cutting unit (3).
- the contact member (10) is detachably attached to the head (2a).
- the comb teeth (12) are flat pieces arranged side by side in parallel with each other along a width direction (F) of the cutting unit (3).
- the movable blade (5) is configured to oscillate so that a distance between the tooth tips of the comb blade as the movable blade (5) and the tooth tips of the comb blade as the fixed blade (4) is constant.
- each tooth tip of the comb blade as the fixed blade (4) has an R-chamfer.
- the body (2) comprises a handle grip (2b) along said long axis (B).
- each skin contact edge face (11) of the comb member (13) is flush with a plane that is at the acute angle ( ⁇ ) with the long axis (B) of the body (2).
- a hair cutter 1 is an electric shaver that includes a body 2 and a contact member 10 detachably attached to an end (a first end) 2a side of the body 2.
- the first end side of the body 2 is referred to as a head 2a
- a second end side of the body 2 is referred to as a handle grip 2b.
- the body 2 has a long axis, and has and the handle grip 2b along the long axis.
- the body 2 also has a first face and a second face that are, for example, a front face and a rear face, respectively.
- the handle grip 2b is in the shape of a cylinder with the long axis and a bottom, and the body 2 has a rectangular cross section with rounded corners in the handle grip 2b. And, one of two sides, in a longitudinal direction, of the body 2 is the first face of the body 2 and the other is the second face.
- a manual operation button 17 as, for example, a power switch is located at the first face (the front face) of the body 2.
- the head 2a is provided with a cutting unit 3 for cutting hair.
- the cutting unit 3 is located at an inner end face of the first end of the body 2 so that a part (a tip) of the cutting unit 3 sticks out in an oblique direction (an obliquely forward and upward) from the inside of the first end of the body 2 (the inside of the upper end of the head 2a) to the first end side in the first surface of the body 2.
- the cutting unit 3 includes a fixed blade 4 and a movable blade 5 each of which is a comb blade.
- the movable blade 5 is configured to oscillate (reciprocate) so that the movable blade 5 slides against the fixed blade 4.
- Each comb blade of the fixed blade 4 and the movable blade 5 is a flat piece of metal having flat blade faces and has a row of teeth along one side edge (a blade edge). Therefore, the cutting unit 3 has a first face and a second face that are the outer blade face of the movable blade 5 and the outer blade face of the fixed blade 4, respectively. The first face and the second face of the cutting unit 3 are located at the first face side and the second face side of the body 2, respectively.
- each tooth tip of the fixed blade 4 has an R-chamfer, which allows each tooth tip of the fixed blade 4 touch, for example, a human scalp.
- the movable blade 5 is oscillated through an electrical driving mechanism (not shown) put in the body 2.
- the driving mechanism includes a battery (e.g., a secondary battery), a motor and a conversion mechanism configured to convert the motor's rotational motion into linear motion.
- the movable blade 5 is oscillated by the linear motion. Hair can be sheared between the fixed blade 4 and the movable blade 5 by oscillating the movable blade 5.
- the movable blade 5 is configured, through the driving mechanism, to oscillate so that a distance between the tooth tips of the movable blade 5 and the tooth tips of the fixed blade 4 is kept constant.
- a contact member 10 is located around a tip (blade edges) of the cutting unit 3, and configured to come into contact with a skin of a region (e.g., a scalp G) on which hair to be cut (sheared) with the cutting unit 3 grows.
- the contact member 10 is a comb-shaped head cap of e.g., plastic (hereinafter also referred to as a "cap 10") that is formed to cover the head 2a.
- the cap 10 is comprised of a cylindrical fixed part 14 detachably attached to the head 2a of the body 2, and a comb member 13 integrally formed at an end of the cylindrical fixed part 14.
- 15 is a cap release button for detaching the cap 10 from the head 2a.
- the comb member 13 of the cap 10 includes a plurality of comb teeth 12 arranged side by side, and a contact part 16 as a contact face.
- the comb teeth 12 are flat pieces arranged side by side in parallel with each other along a width direction (F) of the cutting unit 3.
- the comb teeth 12 are evenly spaced in parallel with each other in a width direction (F) of the blades of the cutting unit 3.
- Tips of the comb teeth 12 each are skin contact edge faces 11 which are flush with each other and constitute the contact part 16.
- each skin contact edge face 11 is flush with a plane that is at the acute angle ( ⁇ ) with the long axis (B) of the body 2.
- At least a part of the comb teeth 12 includes pairs of first and second comb tooth halves 12a and 12b.
- the pairs of first and second comb tooth halves 12a and 12b are arranged between two comb teeth 12 located at both ends of the comb member 13.
- the first comb tooth halves 12a and the second comb tooth halves 12b in the comb member 13 are arranged at the first face side and the second face side of the cutting unit 3, respectively so that the cutting unit 3 is intervened between the first comb tooth halves 12a and the second comb tooth halves 12b.
- the first face and the second face of the cutting unit 3 are placed at a front side (D) and a rear side (E) of the body 2, respectively.
- each edge direction (E, D) of the skin contact edge faces 11 of the comb member 13 and a direction (A) that the part of the cutting unit 3 sticks out are in the shape of a cross (+).
- the direction (A) is hereinafter referred to as a "projection direction (A)".
- an edge direction (E, D) of a comb tooth 12 at an end of the comb member 13 and the projection direction (A) is cruciform as seen from the side of the body 2
- an edge direction (E, D) of each pair of comb tooth halves 12a and 12b between both ends of the comb member 13 and the projection direction (A) is also cruciform as seen from the side.
- each skin contact edge face 11 of the comb member 13 is arranged to be substantially at right angle with the projection direction (A) as seen from the side.
- Each skin contact edge face 11 has a significant function for preventing an excess suppress strength from the tip of the cutting unit 3 onto a skin.
- the excess suppress strength causes discomfort such as skin damage and skin irritation by excess press of the cutting unit 3 on the skin. Therefore, the skin contact edge faces 11 is provided to reduce such irritation.
- the projection direction (A) of the cutting unit 3 i.e., the blade edges of the fixed and movable blades 4 and 5) from the head 2a slopes forward (D) (an obliquely forward and downward) with respect to the long axis (B) of the body 2.
- the cutting unit 3 is arranged so that a part (tip) of the cutting unit 3 (i.e., a part of the blade edge of the fixed blade 5) sticks further out than each skin contact edge face 11 of the comb member 13 by a predetermined little length.
- the fixed blade 4 is arranged so that the tip of the fixed blade 4 sticks further out than each skin contact edge face 11 configured to come into contact with a scalp (G) by a predetermined length (M).
- the movable blade 5 is arranged so that the tip of the movable blade 5 is set further back than each skin contact edge face 11 by a predetermined length (N).
- M and N can be appropriately set by change of design.
- first comb tooth halves 12a and the second comb tooth halves 12b of the comb member 13 are arranged at the front side and the second side of the cutting unit 3, respectively, hair (G) is held by the skin contact edge faces 11 at both sides of the cutting unit 3. Thereby, the orientation of the comb member 13 is stabilized, and irritation can be more reduced.
- the comb member 13 is arranged so that each edge direction of the skin contact edge faces 11 is substantially at a right angle with the projection direction (A) of the cutting unit 3. Accordingly, the guiding performance of hair towards the cutting unit 3 can be secured and also through the skin contact edge faces 11, a scalp (G) is protected from being damaged by the blade edge of the cutting unit 3 (the movable blade 5).
- the fixed blade 4 is arranged so that only the tip of the fixed blade 4 stick further out than the skin contact edge faces 11, and the movable blade 5 is arranged so that the tip of the movable blade 5 does not stick further out than the skin contact edge faces 11.
- Each gap 120a of the first comb tooth halves 12a and each gap 120b of the second comb tooth halves 12b are at a position in front (D) and rear (E) of the cutting unit 3, respectively. Accordingly, sheared hairs (H) are guided to the gaps 120a of the first comb tooth halves 12a and the gaps 120b of the second comb tooth halves 12b from side edges 121a of the first comb tooth halves 12a and side edges 121b of the second comb tooth halves 12b, respectively ( FIG. 1 ), and the sheared hairs are smoothly discharged without the sheared hairs accumulating near the cutting unit 3. Since the cap 10 including the comb member 13 can be detachably attached to the head 2a of the body 2, the cutting unit 3 and the comb member 13 can be easily cleaned.
- the first comb tooth halves 12a and the second comb tooth halves 12b of the comb member 13 are located in front (D) (an obliquely forward and downward) and rear (E) (an obliquely rearward and upward) of the cutting unit 3, respectively but the present invention is not limited to that configuration.
- the comb member 13 is located at least in front of the cutting unit 3, and the comb member 13 in rear (E) of the cutting unit 3, namely the second comb tooth halves 12b between the two comb teeth 12 at both ends of the comb member 13 may be removed so that the rear side of the two comb teeth 12 function only as the contact part 16.
- the skin contact edge faces 11 of the two comb teeth 12 and the skin contact edge faces 11 of the first comb tooth halves 12a between the two comb teeth 12 function as the contact part 16.
- the comb teeth 12 of the comb member 13 may be located only in (just) front (D) of the cutting unit 3 in a range that an angle of the long axis (B) of the body 2 with a scalp (G) is an acute angle ( ⁇ ) (see FIG. 4 ) when a projection direction of the blade edges of the cutting unit 3 is perpendicular to the scalp (G).
- the hair cutter 1 can be moved (push cutting) so that the contact part 16 comes into contact with a scalp.
- the hair cutter 1 can be moved (draw cutting) so that the contact part 16 comes into contact with a scalp (G).
- a reduction performance of skin irritation which the prior art ( FIG. 7B ) can obtain, and a compact comb member 13 can be obtained.
- each skin contact edge face 11 is in the shape of a straight line that is substantially an right angle with the projection direction of the cutting unit 3 as seen from the side of the body 2, but the present invention is not limited to that configuration.
- each skin contact edge face 11 is in the shape of a circular arc as seen from the side of the body 2. That is, each skin contact edge face 11 of the first and second comb tooth halves is in the shape of a circular arc formed so that its own end side near the cutting unit 3 is higher than its own other end side near the upper end of the cylindrical fixed part 14.
- the hair cutter 1 can be easily moved so that each skin contact edge face 11 comes into contact with a narrow scalp behind an ear or the like. Shearing handle-ability can be improved.
- the movable blade 5 is arranged so that the tip (blade edge) of the movable blade 5 does not stick further out than each skin contact edge face 11, but the present invention is not limited to that configuration.
- the movable blade 5 may be arranged so that the tip of the movable blade 5 sticks further out than each skin contact edge face 11. In short, what is needed is the tip of the movable blade 5 is set further back than the fixed blade 4.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010282097A JP5821005B2 (ja) | 2010-12-17 | 2010-12-17 | ヘアーカッター |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2465652A1 EP2465652A1 (en) | 2012-06-20 |
EP2465652B1 true EP2465652B1 (en) | 2014-01-08 |
Family
ID=45092264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20110190782 Active EP2465652B1 (en) | 2010-12-17 | 2011-11-25 | Hair cutter |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2465652B1 (zh) |
JP (1) | JP5821005B2 (zh) |
CN (1) | CN102528830B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2623532C2 (ru) * | 2011-11-17 | 2017-06-27 | Конинклейке Филипс Н.В. | Защитный элемент для защиты кожи в машинке для стрижки волос |
CN102896646B (zh) * | 2012-11-12 | 2014-08-27 | 上海奔腾电工有限公司 | 具有理光头功能的理发剪 |
US10105856B2 (en) | 2013-08-29 | 2018-10-23 | Koninklijke Philips N.V. | Hair clipping device |
WO2015149993A1 (en) * | 2014-03-31 | 2015-10-08 | Koninklijke Philips N.V. | Hair clipping device. |
EP3037224A1 (fr) * | 2014-12-22 | 2016-06-29 | BaByliss Faco sprl | Tondeuse à barbe avec une ou plusieurs têtes rotatives |
EP3636401A1 (en) * | 2018-10-10 | 2020-04-15 | Koninklijke Philips N.V. | Attachment comb for a hair cutting device |
EP3666478A1 (en) * | 2018-12-12 | 2020-06-17 | Koninklijke Philips N.V. | Hair collector for a hair cutting appliance having a cutting element |
EP3677393A1 (en) * | 2019-01-04 | 2020-07-08 | Koninklijke Philips N.V. | Combs for hair cutting appliances |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1899102A (en) * | 1930-11-27 | 1933-02-28 | Michael Hugo | Hair clipper |
US2880504A (en) * | 1957-09-24 | 1959-04-07 | Finn Entpr | Electric razor hair-cutting gauge |
US2867902A (en) * | 1958-04-08 | 1959-01-13 | Wade Tom | Power driven hair clipper |
US3116550A (en) * | 1960-04-30 | 1964-01-07 | De-Paoli Mariano | Cap having a series of comb teeth for a razor |
US3651570A (en) * | 1970-06-08 | 1972-03-28 | Donald L Groves | Hair cutting clipper attachment |
JPS4877191U (zh) * | 1971-12-23 | 1973-09-22 | ||
NL7404358A (nl) * | 1974-04-01 | 1975-10-03 | Philips Nv | Elektrische tondeuse. |
US4151644A (en) * | 1976-12-06 | 1979-05-01 | Sperry Rand Corporation | Device for dislodging ingrown facial hairs |
US4131995A (en) * | 1977-08-17 | 1979-01-02 | Sperry Rand Corporation | Smoothing comb for a hair trimmer |
JPS5839180Y2 (ja) * | 1978-10-14 | 1983-09-03 | 松下電工株式会社 | 電動バリカン |
JPS55170068U (zh) * | 1979-05-25 | 1980-12-06 | ||
JPS6039391B2 (ja) * | 1982-10-28 | 1985-09-05 | 松下電工株式会社 | 電気かみそり |
JP3601092B2 (ja) * | 1995-01-09 | 2004-12-15 | 松下電工株式会社 | ヘアーカッター |
JP4103873B2 (ja) * | 2004-09-01 | 2008-06-18 | 松下電工株式会社 | ヘアカッターのコーム振動防止構造 |
KR200396689Y1 (ko) * | 2005-06-21 | 2005-09-26 | 오태준 | 전기 바리깡 |
DE202006007059U1 (de) * | 2005-12-12 | 2006-10-12 | Koninklijke Philips Electronics N.V. | Schneideeinheit mit Schutzzähnen und Haarschneidevorrichtung |
CN201086306Y (zh) * | 2007-01-15 | 2008-07-16 | 皇家飞利浦电子股份有限公司 | 剪发设备 |
CN201419408Y (zh) * | 2009-06-09 | 2010-03-10 | 深圳市宝安区沙井科德士电子厂 | 电推剪推杆调节锁紧装置 |
-
2010
- 2010-12-17 JP JP2010282097A patent/JP5821005B2/ja active Active
-
2011
- 2011-11-25 EP EP20110190782 patent/EP2465652B1/en active Active
- 2011-12-13 CN CN201110414439.5A patent/CN102528830B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102528830A (zh) | 2012-07-04 |
EP2465652A1 (en) | 2012-06-20 |
JP5821005B2 (ja) | 2015-11-24 |
CN102528830B (zh) | 2015-04-01 |
JP2012125514A (ja) | 2012-07-05 |
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