WO2004002691A1 - Hair-cutting apparatus comprising means for preventing cut hair from flying off - Google Patents
Hair-cutting apparatus comprising means for preventing cut hair from flying off Download PDFInfo
- Publication number
- WO2004002691A1 WO2004002691A1 PCT/IB2003/002770 IB0302770W WO2004002691A1 WO 2004002691 A1 WO2004002691 A1 WO 2004002691A1 IB 0302770 W IB0302770 W IB 0302770W WO 2004002691 A1 WO2004002691 A1 WO 2004002691A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hair
- cutting apparatus
- suction
- cutting
- arrangement
- Prior art date
Links
- 210000004209 hair Anatomy 0.000 title claims abstract description 57
- 230000009977 dual effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 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
- B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
- B26B19/44—Suction means for collecting severed hairs or for the skin to be shaved
Definitions
- Hair-cutting apparatus comprising means for preventing cut hair from flying off
- the invention relates to hair-cutting apparatus comprising a cutting arrangement for cutting hair and comprising means for counter-acting flying off cut hair from the hair-cutting apparatus.
- Hair-cutting apparatus of the kind specified in the first paragraph has been put on the market and is therefore known.
- the means for preventing cut hair from flying off are formed by a suction arrangement, which arrangement has a suction passage that extends to a point close to the cutting arrangement and that ends there in a suction opening through which air can be sucked into the suction passage at a given velocity of flow in a direction of suction, the intention being for cut hair to be prevented from flying off by the flow of air that is generated.
- Hair-cutting apparatus comprising a cutting arrangement for cutting hair and comprising means for counter-acting flying off cut hair from the hair-cutting apparatus, which means comprising a boundary wall, which boundary wall extends close to the cutting arrangement and which boundary wall comprising a stationary portion and a portion that is movable relative to the stationary portion, the movable portion being arranged and positioned to cooperate with the hair to be cut.
- the provision of the features according to the invention affords, in a manner that is relatively easy and space-saving and with only a small amount of additional cost and complication, a useful possible way of, in an improved manner, preventing cut hair from flying off the hair-cutting apparatus according to the invention, because a sort of protective shield, which very effectively prevents cut hair from flying off, is formed by means of the movable portion of the boundary wall and by means of the hair to be cut that cooperates with the said movable portion.
- the movement of the movable portion can be performed by hand, for example by means of a sliding button that acts on the movable portion. It has however proved particularly advantageous if the features detailed in claim 2 are also provided. This makes it possible for the means that prevent cut hair from flying off to be moved and adjusted automatically as a function of the hair to be cut.
- Fig. 1 is an oblique view from above showing an embodiment of hair-cutting apparatus according to the invention.
- Fig. 2 is an exploded view showing the principal components of the hair- cutting apparatus of Fig. 1.
- Fig. 3 is a cross-section through part of the hair-cutting apparatus of Fig. 1.
- Fig. 4 shows the same part of the hair-cutting apparatus as in Fig. 3, in a similar way to Fig. 3, but with an air-flow that can be generated in the hair-cutting apparatus also shown.
- Fig. 5 shows the part of the hair-cutting apparatus that is shown in Figs. 3 and 4 diagrammatically and to a scale that is larger than in Fig. 4.
- Fig. 6 shows the part of the hair-cutting apparatus that is shown in Figs. 3 to 6 in a view looking in the direction of arrow VII in Fig. 5.
- Fig. 7 shows the hair to be cut that cooperates with the hair-cutting apparatus shown in Figs. 1 to 6, in a view that is completely diagrammatic.
- Fig. 1 shows a hair-cutting apparatus 1.
- the hair-cutting apparatus 1 has a housing 2 that comprises a top housing section 3, a bottom housing section 4 and a front housing section 5. Between the front housing section 5 and the other two housing sections 3 and 4 is provided an adjusting ring 6 by means of which, by rotating the same, a comb 7 of the hair-cutting apparatus, which is not shown in Fig. 1 but is shown in Fig. 2, can be adjusted parallel to the longitudinal direction of the hair-cutting apparatus 1, as is known per se.
- patent document EP 0 325 326 Bl the disclosure of which is considered to be included here by virtue of this reference.
- the hair-cutting apparatus 1 is fitted with a cutting arrangement 9.
- the cutting arrangement 9 is intended and arranged to cut hair.
- the cutting arrangement 9 has two toothed cutter blades 10 and 11, the first toothed cutter blade 10 being held stationary on a carrier 12 of the toothed cutting arrangement 9, and the second toothed cutter blade 11 being guided to be movable to and fro, and being drivable to and fro, in relation to the first toothed cutter blade 10, as has long been known.
- the hair-cutting apparatus 1 contains a motor 13 that has a first drive shaft 14 and a second drive shaft 15. Mounted on the first drive shaft 14 in such a way as to be secure in rotation therewith is a cam configuration 16. The cam configuration 16 is coupled to the second toothed cutter blade 11 in such a way that the second toothed cutter blade 11 can be driven to and fro by means of the cam configuration 16.
- the hair-cutting apparatus 1 is further fitted with a suction arrangement 17.
- the suction arrangement 17 is intended and arranged to suck away cut hair.
- the suction arrangement 17 has a fan 18 that can be driven in rotation, that is mounted on the second drive shaft 15 in such a way as to be secure in rotation therewith and that is provided with additional support by an air baffle member 19.
- the fan 18 may however also be mounted to rotate by means of the drive shaft 15 alone, in which case the air baffle member 19 does not then perform a dual function.
- An air-flow that is indicated in Figs. 4 and 5 by arrows 20 can be generated in the hair-cutting apparatus 1 by means of the fan 17.
- the air-flow is diverted by means of the air baffle member 19 to the through-openings 8.
- the suction arrangement 17 has a suction passage 21 that is bounded by passage walls 22, 23, 24, 25, 26, 27, 28 and 29. Of the passage walls, some, namely passage walls 22, 24, 26 and 28, extend to a point close to the cutting arrangement 9, i.e. to a point close to the two toothed cutter blades 10 and 11 of the cutting arrangement 9. At their ends situated close to the cutting arrangement 9, i.e. close to the toothed cutter blades 10 and 11, the four boundary walls 22, 24, 26 and 28 define a suction opening 30. Air can be sucked into the suction passage 21 through the suction opening 30 in a direction indicated by an arrow 31, at a velocity of flow that can advantageously be varied.
- a collecting container 32 Connecting up with the suction passage 21 is a collecting container 32 that is intended and arranged to collect cut hair.
- the collecting container 32 is provided with a filter 33 that is diagrammatically indicated in Figs. 5 and 6.
- the cut hair is separated out of the flow of air by means of the filter 33, so that no cut hair is then contained downstream of the collecting container 32 in the flow of air that is emitted through the through-openings 8.
- the design of the first passage wall 22 is also advantageously such that the first passage wall 22 comprises a stationary portion 34 and a portion 35 that can be moved and therefore adjusted relative to the stationary portion 34 and relative to all the passage walls 23 to 29, the adjustment taking place in this case in a straight line and, in this straight line, parallel to the direction of suction 31.
- the passage wall 35 may however also be arranged to be slightly curved and to be adjustably guided to follow the shape of the curve. At its free end, the movable and adjustable portion 35 defines the suction opening 30.
- the movable and adjustable portion 35 of the passage wall 22 forms part of varier means 36 that are provided to allow the air-flow to be varied in the region of the suction opening 30.
- the varier means 36 comprise the movable and adjustable portion 35 of the passage wall 22 and also a spring means 37 that cooperates with the adjustable portion 35 of the passage wall 22 and that can be see in Fig. 6.
- the spring means 37 loads the adjustable portion 35 in the opposite direction to the direction of suction 31 and attempts to hold the adjustable portion 35 in an initial position.
- the adjustable portion 35 of the passage wall 22 is intended and arranged to cooperate with hair to be cut, as is shown in a highly diagrammatic way in Fig. 7.
- the said adjustable portion 35 of the passage wall 22 When the adjustable portion 35 of the passage wall 22 is cooperating with hair to be cut, the said adjustable portion 35 is adjustable in opposition to the force exerted by the spring means 37, i.e. in the direction of suction 31 , as indicated in Fig. 7.
- the amount by which the adjustable portion 35 is adjusted is dependent in this case on the nature and condition of the hair, i.e. on the density of the hair, the length of the hair, the thickness of the hair and the stiffness of the hair. As can be seen from Fig.
- the spring means 37 is formed in the hair-cutting apparatus 1 by a rod-life spring 37 that extends substantially transversely to the direction of suction 31, that extends in a curve, that is fastened in place in the region of the lateral passage wall 28 and the free, curved end of which cooperates with a strip 38 projecting from the portion 35.
- the spring 37 may however also be leaf-like.
- the resilient force exerted by the spring 37 is, nominally, approximately 40 mN.
- the resilient force exerted by the spring 37 may be within a range of between 10 mN and 40 mN.
- the spring 37 is the form of a so-called bent spring that, when the adjustable portion 35 is situated in its initial position, is shaped to a so-called bent parabola.
- the spring 37 assumes a shape in which it extends almost in a straight line, though this is not shown in Fig.6.
- the adjustable portion 35 of the passage wall 22 is also part of means that prevent cut hair from flying off from the hair-cutting apparatus 1, which means comprise the first passage wall 22 that also forms a boundary wall 22 of the hair-cutting apparatus 1.
- the means that prevent cut hair from flying off the hair-cutting apparatus 1 also comprise, in addition to the passage wall 22 having the adjustable portion 33, the spring means 37, the stationary portion 34 of the passage wall 22, and the other passage walls 24, 26 and 28.
- the adjustable portion 35 of the passage wall 22 is that the velocity of the air-flow in the region of the suction opening 30 is easily and automatically adjusted to the nature and condition of the hair at the time, the suction opening 30 being kept as small as possible as a function of the nature and condition of the hair at the time, i.e. of the amount of hair being fed in at the time for example, which results in a maximum velocity of flow always being obtained. This in turn produces resulting suction that is adjusted to the nature and condition of the hair at the time and thus is good.
- the adjustable portion 35 of the passage wall 22 is held in the initial position shown in Figs. 3 to 6 by means of the spring 37.
- the resilient force exerted by the spring 37 is advantageously sufficiently high to balance the weight of the adjustable portion 35 under all circumstances.
- the force exerted by the spring 37 is so high in this case that the adjustable portion 35 can be moved back to its initial position no matter what attitude the hair-cutting apparatus 1 is in.
- the force exerted by the spring 37 is only so high that, even when there are relatively few hairs cooperating with the adjustable portion 35, the adjustable portion 35 can still be adjusted in opposition to the force exerted by the spring 37.
- the adjustable portion 35 is adjusted by the hair to be cut in the direction of suction 31, which ensures that the size of the suction opening is adjusted in the optimum way to the nature and condition of the hair that exist at the time.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/518,262 US7975385B2 (en) | 2002-06-26 | 2003-06-18 | Hair-cutting apparatus comprising means for preventing cut hair from flying off |
DE60305702T DE60305702T2 (en) | 2002-06-26 | 2003-06-18 | HAIR CUTTING DEVICE WITH MEANS THAT PREVENT THE FLYING OF THE HAIR |
JP2004517118A JP4499561B2 (en) | 2002-06-26 | 2003-06-18 | Haircut device having means for preventing hair from scattering |
AU2003237033A AU2003237033A1 (en) | 2002-06-26 | 2003-06-18 | Hair-cutting apparatus comprising means for preventing cut hair from flying off |
EP03735935A EP1519814B1 (en) | 2002-06-26 | 2003-06-18 | Hair-cutting apparatus comprising means for preventing cut hair from flying off |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02100750 | 2002-06-26 | ||
EP02100750.5 | 2002-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004002691A1 true WO2004002691A1 (en) | 2004-01-08 |
Family
ID=29797282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2003/002770 WO2004002691A1 (en) | 2002-06-26 | 2003-06-18 | Hair-cutting apparatus comprising means for preventing cut hair from flying off |
Country Status (8)
Country | Link |
---|---|
US (1) | US7975385B2 (en) |
EP (1) | EP1519814B1 (en) |
JP (1) | JP4499561B2 (en) |
CN (1) | CN100346946C (en) |
AT (1) | ATE327867T1 (en) |
AU (1) | AU2003237033A1 (en) |
DE (1) | DE60305702T2 (en) |
WO (1) | WO2004002691A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1775080A1 (en) | 2005-10-11 | 2007-04-18 | Matsushita Electric Works, Ltd. | Hair clipper |
EP3771527A1 (en) | 2019-07-30 | 2021-02-03 | Koninklijke Philips N.V. | Hair-cutting apparatus |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5826517B2 (en) * | 2011-05-27 | 2015-12-02 | 株式会社マキタ | Cutting tool |
TR201906686T4 (en) * | 2015-01-28 | 2019-05-21 | Koninklijke Philips Nv | Hair clipper. |
US9919439B2 (en) * | 2015-12-28 | 2018-03-20 | Anming FU | Cordless vacuum haircut kit |
CN105856284B (en) * | 2016-06-06 | 2017-10-13 | 毛妈妈(苏州)电器科技有限公司 | A kind of negative pressure pneumatic hair cutter |
US20240058975A1 (en) * | 2022-08-19 | 2024-02-22 | Raymond Industrial Ltd. | Beard trimmer |
USD981043S1 (en) | 2022-12-12 | 2023-03-14 | E. Mishan & Sons, Inc. | Shaver |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1506139A (en) * | 1923-07-23 | 1924-08-26 | Severson Samuel | Hair-cutting appliance |
US3654699A (en) * | 1970-07-17 | 1972-04-11 | Ralph Garcia | Hair trimming device |
US4843717A (en) * | 1988-09-28 | 1989-07-04 | Crane Larry A | Hair cutting device with a vacuum disposal |
JP2002190871A (en) | 2000-12-20 | 2002-07-05 | Yanmar Agricult Equip Co Ltd | Maintenance system for service machine |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2323046A (en) * | 1942-03-16 | 1943-06-29 | Francis R Jenkins | Hair clipper |
US2496613A (en) * | 1944-05-30 | 1950-02-07 | William H Woodward | Guard for rotary disks |
US2807086A (en) * | 1955-12-12 | 1957-09-24 | Alfred T Staples | Hair clipper |
US2929140A (en) * | 1957-09-03 | 1960-03-22 | Sherman B Wilson | Accessory for barber tools |
US2914849A (en) * | 1958-05-29 | 1959-12-01 | Alfred T Staples | Vacuum operated hair clipper |
US2946122A (en) * | 1958-10-21 | 1960-07-26 | Lemuel W Gaskins | Attachment for barber's shears |
US2946123A (en) * | 1959-02-27 | 1960-07-26 | Murel B Bray | Combination hair clipper |
US3302286A (en) * | 1964-09-08 | 1967-02-07 | Gottlieb F Zucker | Haircutting mechanism |
US3331130A (en) * | 1965-10-20 | 1967-07-18 | Nasco Inc | Suction head for barber shears |
US3447577A (en) * | 1966-06-13 | 1969-06-03 | Stanley Works | Circular trim saw |
US3654599A (en) * | 1970-04-10 | 1972-04-04 | Life Technology Inc | Vehicle steering reversal rate alarm system |
JPS51125565A (en) * | 1975-01-29 | 1976-11-02 | Seki Koiwa | Hair cutter |
US4074427A (en) * | 1976-01-12 | 1978-02-21 | Sperry Rand Corporation | Auxiliary trimmer assembly |
US5153994A (en) * | 1991-08-26 | 1992-10-13 | Emmett Frank E | Hair cutting system |
GB9904481D0 (en) * | 1999-02-27 | 1999-04-21 | Represented By Director Of Nat | Locking arrangemnt for table saw guard |
CN2375426Y (en) * | 1999-04-12 | 2000-04-26 | 杨海廷 | Eccentric electric hair clippers with hair-attracting function |
JP2001149672A (en) * | 1999-11-25 | 2001-06-05 | Matsushita Electric Works Ltd | Hair cutter |
JP3931512B2 (en) | 2000-01-14 | 2007-06-20 | 松下電工株式会社 | Hair clipper with hair absorption function |
JP2002159765A (en) * | 2000-11-27 | 2002-06-04 | Matsushita Electric Works Ltd | Haircutter |
US6739053B2 (en) * | 2000-12-14 | 2004-05-25 | Wahl Clipper Corporation | Hair clipping device with internal vacuum |
US6978547B2 (en) * | 2001-02-14 | 2005-12-27 | Degregorio Jr Dennis P | Beard trimmer with internal vacuum |
US6571478B1 (en) * | 2001-12-05 | 2003-06-03 | M.D.C. Romani, Inc. | Vacuum attachment and method of converting hair grooming clipper to mount vacuum attachment |
-
2003
- 2003-06-18 JP JP2004517118A patent/JP4499561B2/en not_active Expired - Fee Related
- 2003-06-18 WO PCT/IB2003/002770 patent/WO2004002691A1/en active IP Right Grant
- 2003-06-18 US US10/518,262 patent/US7975385B2/en not_active Expired - Fee Related
- 2003-06-18 CN CNB038151898A patent/CN100346946C/en not_active Expired - Fee Related
- 2003-06-18 AT AT03735935T patent/ATE327867T1/en not_active IP Right Cessation
- 2003-06-18 AU AU2003237033A patent/AU2003237033A1/en not_active Abandoned
- 2003-06-18 DE DE60305702T patent/DE60305702T2/en not_active Expired - Lifetime
- 2003-06-18 EP EP03735935A patent/EP1519814B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1506139A (en) * | 1923-07-23 | 1924-08-26 | Severson Samuel | Hair-cutting appliance |
US3654699A (en) * | 1970-07-17 | 1972-04-11 | Ralph Garcia | Hair trimming device |
US4843717A (en) * | 1988-09-28 | 1989-07-04 | Crane Larry A | Hair cutting device with a vacuum disposal |
JP2002190871A (en) | 2000-12-20 | 2002-07-05 | Yanmar Agricult Equip Co Ltd | Maintenance system for service machine |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1775080A1 (en) | 2005-10-11 | 2007-04-18 | Matsushita Electric Works, Ltd. | Hair clipper |
EP3771527A1 (en) | 2019-07-30 | 2021-02-03 | Koninklijke Philips N.V. | Hair-cutting apparatus |
WO2021018924A1 (en) | 2019-07-30 | 2021-02-04 | Koninklijke Philips N.V. | Hair-cutting apparatus |
JP2022529084A (en) * | 2019-07-30 | 2022-06-16 | コーニンクレッカ フィリップス エヌ ヴェ | Hair cutting device |
JP7268207B2 (en) | 2019-07-30 | 2023-05-02 | コーニンクレッカ フィリップス エヌ ヴェ | hair cutting equipment |
Also Published As
Publication number | Publication date |
---|---|
ATE327867T1 (en) | 2006-06-15 |
US7975385B2 (en) | 2011-07-12 |
CN1665649A (en) | 2005-09-07 |
DE60305702T2 (en) | 2007-02-22 |
JP2005530580A (en) | 2005-10-13 |
AU2003237033A1 (en) | 2004-01-19 |
CN100346946C (en) | 2007-11-07 |
EP1519814A1 (en) | 2005-04-06 |
JP4499561B2 (en) | 2010-07-07 |
US20060053628A1 (en) | 2006-03-16 |
EP1519814B1 (en) | 2006-05-31 |
DE60305702D1 (en) | 2006-07-06 |
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