EP1348522A1 - Mit einem Staubsauger verbundenes Harschneidegerät - Google Patents

Mit einem Staubsauger verbundenes Harschneidegerät Download PDF

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Publication number
EP1348522A1
EP1348522A1 EP02447047A EP02447047A EP1348522A1 EP 1348522 A1 EP1348522 A1 EP 1348522A1 EP 02447047 A EP02447047 A EP 02447047A EP 02447047 A EP02447047 A EP 02447047A EP 1348522 A1 EP1348522 A1 EP 1348522A1
Authority
EP
European Patent Office
Prior art keywords
template
knife
hair
cutting
mower
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.)
Withdrawn
Application number
EP02447047A
Other languages
English (en)
French (fr)
Inventor
Bernard Portois
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP02447047A priority Critical patent/EP1348522A1/de
Publication of EP1348522A1 publication Critical patent/EP1348522A1/de
Withdrawn legal-status Critical Current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
    • B26B19/38—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

  • the present invention relates to a hand clipper for cutting straight hair essentially perpendicular to the scalp by adequate power suction.
  • the invention also relates to the method cutting implemented by said hair clipper.
  • the cutting principle is to vacuum the hair through the clipper and straighten it perpendicular to the head.
  • the hair is then cut by a rotary knife driven by a motor universal electric and offset from the axis suction, at the dimension defined by the position of the knife.
  • the entry of the mower is adjustable, for example by change the tip, and gives the cutting height; the outlet provides attachment for the vacuum hose.
  • the axis of the rotary knife is preferably not parallel to the axis of the mower to increase the cutting power.
  • This device has the disadvantage that long hair wrap around the knife axis between two passes successive of the blade. It only allows one length in the same haircut. The length obtained cannot vary because the cutting system and the template do not not allow.
  • the mower includes circular knife, built-in fan powered by an electric motor and an adjustable tip located in front of the knife.
  • the hair entry axis is offset from the axis of rotation of the knife.
  • the device has an output for adapting the hose of a standard household vacuum cleaner, which allows the removal of cut hair.
  • the present invention aims to provide a solution to overcome the resulting problems state of the art.
  • the invention aims to suggest a hair clipper for use personal, inexpensive, simple and precise.
  • the invention also aims to provide a mower for easily obtaining any what length of hair in the same cut.
  • the invention has the complementary aim of allow the realization of a neat haircut in a very short time, of the order of 3 to 5 minutes.
  • the plane formed by said edge internal and the line formed by the end of the teeth forms with the horizontal section plane an angle whose value is less than 90 °.
  • the mower present behind said template a valve provided with a return spring and can pivot around an axis and be placed in a intermediate position between an open position maximum and a minimum open position, said intermediate position automatically adjusting depending on the suction and the position of the template on the head.
  • the valve in the absence of use, the valve is in the maximum open position under the effect of the return spring.
  • the movable blade of the knife is protruding from the fixed blade when the gauge is in place, the mower having means for make the blade of fixed teeth protruding from the blade of movable teeth, when the template is not in square.
  • the mower can accept a series of removable templates or a template adjustable by sliding, the particular template chosen being a function desired cutting parameters, preferably length cutting.
  • the universal motor driving the knife has a power between 10 and 25 watt, preferably 20 watt, while the vacuum cleaner associated with the mower has a degree of depression between 25 and 30 kPa and a suction air flow of between 35 and 40 liters per second.
  • the movable blade has 5 teeth per centimeter.
  • a self-adjusting valve in operation positioned at the inlet of the duct suction prevents an air flow between the knife and strands of hair to be cut in the area of chopped off.
  • the hair is washed beforehand with a shampoo containing fabric softener.
  • Figure 1 shows schematically a sectional view of a hair clipper according to the present invention.
  • Figure 2 shows a front view of the mower shown in Figure 1.
  • the mower 1 the suction duct 20 of which is connected to a vacuum cleaner, preferably external, has a section 2 protected by a cover 2a forming a conduit for suction with the side flanges of a nozzle input 5.
  • the cutting head 2 contains a knife 3 made up of at least two blades with teeth oscillating transversely in a plane, called the cutting plane.
  • the knife 3 has a fixed blade and a movable blade.
  • the movable blade has 5 teeth per centimeter.
  • Hood 2a is connected to the inlet nozzle 5 serving as a template cutting length.
  • the cover 2a has a recess whose innermost point 4 forms a straight line 6 with the end of the teeth 7.
  • Line 6 forms with the plane blades at an angle 10.
  • This angle has a value less than 90 °.
  • the mower also has a valve 8 can be opened or closed along an axis 14 perpendicular to the plane of Figure 1.
  • the valve 8 is provided with a return spring tending to bring it back in fully open position 8a.
  • the end of the valve in closed position 8b connected to point 4 forms a straight line 11.
  • the latter forms an angle 12 with the part 9 of the cover. 2a connecting to the template 5.
  • Lines 6 and 11 form an angle 13.
  • the angle 13 determines the maximum high point of job.
  • the angle 12 must be sufficient to allow good re-entry of the hair and suction air.
  • the removal of point 9 from the fictitious point 23 avoids "sticking" by depression of the template on the scalp.
  • the mower is designed to work always with the same inclination at an angle ⁇ , the guidance being provided by the template 5.
  • the valve will be more or less open, the maximum open position 8a corresponding to the cut on the top of the head and the minimum open position 8b corresponding to the cut in the neck and neck for example.
  • Distance 15 represents a bottleneck throttle at the suction duct 20. If one considers the path traveled by the air sucked in, seen in section, the surface of the suction duct 20 decreases by the outside of the mower towards the knife and then increasing from the knife to the external vacuum cleaner (effect "Dolly"). Air is compressed before entering the area and relaxes afterwards. This configuration is important in order to maximize the pressure aerodynamics exerted by the air on the hair at the place where they are going to be cut, i.e. where the knife. This configuration also avoids the flapping hair.
  • valve 8 The primary function of valve 8 is prevent air from getting under the hair and come between the teeth of the knife and the hair.
  • the axis of rotation of the valve 8 must be outermost possible from the hair path.
  • the position of valve rotation is automatically adjusted by the suction according to the position of the template 5 on the head of the person.
  • the valve increases the pressure exerted by the air on the hair at the important point which is the tip of fixed and movable cutting blades: hair are therefore "plated” on the cutting area.
  • the returning air on the outside of the strands of hair should always escape above the hair.
  • the template is therefore airtight free.
  • Another important feature of the invention is to present movable teeth which are longer than the fixed teeth, unlike the common situation in state mowers the technical.
  • the aim is to allow, by the movement of moving teeth a detangling effect of hair. If the hair length is very important, these can indeed appear in a ball or tangled and the arrangement of the movable knife makes it possible to work in this mass of hair, while using pressure air. This also has a drawback since the device becomes dangerous. We must then absolutely provide protection that prevents use of the device without template.
  • a device is therefore provided additional, according to the invention, which makes it possible to repel the teeth fixed back when placing the template. So, the movable teeth do not project beyond fixed teeth only when the template is fixed, which secures the device.
  • the different templates that can be used in the framework of the present invention have been studied according of all the previous settings and the cutting style that we want to achieve. They allow to calibrate the length hair after cutting. They are removable and / or adjustable by a sliding which transmits the parameters to respect.
  • the mower knife is driven by a universal electric motor (DC or AC) whose speed rotation and torque are adequate for this kind of application and well known to those skilled in the art (from preferably, the engine power will be around 20 watt).
  • DC or AC universal electric motor
  • the air flow sucked will be of the order of 38 to 40 liters per second and the air depression of about 26 kPa.
  • the cutting plane is essentially parallel to the axis of the mower and the engine, which implies that the mower is used permanently in position horizontal.
  • the angle ⁇ must be around zero.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
EP02447047A 2002-03-28 2002-03-28 Mit einem Staubsauger verbundenes Harschneidegerät Withdrawn EP1348522A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02447047A EP1348522A1 (de) 2002-03-28 2002-03-28 Mit einem Staubsauger verbundenes Harschneidegerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02447047A EP1348522A1 (de) 2002-03-28 2002-03-28 Mit einem Staubsauger verbundenes Harschneidegerät

Publications (1)

Publication Number Publication Date
EP1348522A1 true EP1348522A1 (de) 2003-10-01

Family

ID=27798980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02447047A Withdrawn EP1348522A1 (de) 2002-03-28 2002-03-28 Mit einem Staubsauger verbundenes Harschneidegerät

Country Status (1)

Country Link
EP (1) EP1348522A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519815A1 (de) * 2002-06-26 2005-04-06 Koninklijke Philips Electronics N.V. Haarschneidevorrichtung mti haarsauggerät
CN109092806A (zh) * 2018-07-26 2018-12-28 庞成军 一种用于头部直立的长发人物蜡像头发清洁维护机
MA63532A1 (fr) * 2023-12-21 2025-06-30 Université Internationale de RABAT Dispositif de coupe de cheveux amélioré

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1834737A (en) * 1930-06-09 1931-12-01 Casper L Redfield Hair clipper
US4216581A (en) * 1979-05-07 1980-08-12 Slooten Kevin D Van Hair cutting appliance
US4628601A (en) * 1985-12-16 1986-12-16 Slooten Kevin D Van Hair cutting appliance
DE29715350U1 (de) * 1997-08-27 1997-12-11 Klöckner, Peter, 70329 Stuttgart Haarschneideadapter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1834737A (en) * 1930-06-09 1931-12-01 Casper L Redfield Hair clipper
US4216581A (en) * 1979-05-07 1980-08-12 Slooten Kevin D Van Hair cutting appliance
US4628601A (en) * 1985-12-16 1986-12-16 Slooten Kevin D Van Hair cutting appliance
DE29715350U1 (de) * 1997-08-27 1997-12-11 Klöckner, Peter, 70329 Stuttgart Haarschneideadapter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519815A1 (de) * 2002-06-26 2005-04-06 Koninklijke Philips Electronics N.V. Haarschneidevorrichtung mti haarsauggerät
CN109092806A (zh) * 2018-07-26 2018-12-28 庞成军 一种用于头部直立的长发人物蜡像头发清洁维护机
MA63532A1 (fr) * 2023-12-21 2025-06-30 Université Internationale de RABAT Dispositif de coupe de cheveux amélioré

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