EP1455992A1 - Electric hand clipper in particular for cutting animal hairs - Google Patents

Electric hand clipper in particular for cutting animal hairs

Info

Publication number
EP1455992A1
EP1455992A1 EP02805405A EP02805405A EP1455992A1 EP 1455992 A1 EP1455992 A1 EP 1455992A1 EP 02805405 A EP02805405 A EP 02805405A EP 02805405 A EP02805405 A EP 02805405A EP 1455992 A1 EP1455992 A1 EP 1455992A1
Authority
EP
European Patent Office
Prior art keywords
mower
finger
eccentric
oscillating
axis
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
Application number
EP02805405A
Other languages
German (de)
French (fr)
Other versions
EP1455992B1 (en
Inventor
Bernard Comminges
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.)
Fabrications Barbot Genia Ste
Original Assignee
Fabrications Barbot Genia Ste
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 Fabrications Barbot Genia Ste filed Critical Fabrications Barbot Genia Ste
Publication of EP1455992A1 publication Critical patent/EP1455992A1/en
Application granted granted Critical
Publication of EP1455992B1 publication Critical patent/EP1455992B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
    • 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
    • B26B19/24—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers specially adapted for shearing animals, e.g. sheep

Definitions

  • the present invention relates to an electric hand clipper for cutting in particular animal hair, of the type comprising a body housing an electric motor for actuating, in reciprocating movement, by means of an oscillating finger, a head cutting comb of mower.
  • a mower comprising a speed reducer which is mentioned as having a planetary friction action.
  • This document also describes a state of the art consisting of gear speed reducers which are of limited efficiency and of complex design.
  • the speed reducer consists of a freely rotating housing, two ball bearings mounted inside the housing, two rings on which the rings of bearing are fixed, one ring being free and the other ring being fixed to one shaft of the electric motor.
  • the rings have grooves on their end face with balls which ensure the adjustment of the torque as a function of the load.
  • the speed reduction device requires here on the one hand a friction drive, on the other hand a variation of the torque by means of balls moving inside bearings.
  • the result is an extremely complex device which does not guarantee a constant speed when empty and in charge of the cutting member.
  • the qualification of the speed reducer as described in this document as a reducer having a planetary friction action is erroneous, because at no gears do not intervene, unlike a system of the planetary reduction type in which the reduction is effected by meshing.
  • the speed reducer mentioned for this mower is therefore not a planetary reducer.
  • An object of the present invention is to provide an electric mower whose design allows and to maintain a constant speed when empty and under load of the mower's comb without heating the latter by increasing the torque transmitted between the output shaft. motor and oscillating finger.
  • Another object of the present invention is to provide an electric clipper whose design makes it possible to reduce, due to the absence of heating and an increase in the quality of cut, a reduction in grooming time without increasing the cost overall of such a mower and without modifying the power of the engine used.
  • the subject of the invention is an electric hand clipper for cutting in particular animal hair, of the type comprising a body housing an electric motor for actuating, in reciprocating motion, by means of an oscillating finger.
  • a cutting head mower comb characterized in that it comprises, between the motor output shaft and the oscillating finger, housed inside the body, a planetary reduction gear of small thickness to increase the torque between the motor output and oscillating finger and thus obtain a constant speed when empty and under load from the cutting members and the motor.
  • the presence of a planetary gear reducer allows one to increase the transmitted torque without proportionally increasing the power of the motor used and thus obtain a constant speed when empty and loaded with the cutting member and the motor without causing d heating of said mower.
  • FIG. 1 represents a partial perspective view of the constituent elements of the mower housed inside the body of the latter in the exploded position of said elements;
  • FIG. 2 represents respectively a front perspective view and a rear perspective view of the planetary gearbox engaged with the oscillating finger and
  • FIG. 3 shows an overview of a mower according to the invention.
  • the electric hand clipper 1, object of the invention, is intended more particularly for cutting the hair of small animals.
  • This mower comprises a body 2 housing a low voltage electric motor 3 with a power of the order of 22 Watts.
  • This electric motor 3 actuates, in reciprocating movement, by means of an oscillating finger 4, a comb 6 cutting the head of mower.
  • This mower head in accordance with that shown in FIG. 3 generally comprises two combs, one fixed, the other mobile. This head is generally snap-in at one end of the body 2 of the mower.
  • the. 1 electric mower includes' - "again, between the motor output shaft 3A and the oscillating finger 4, housed inside the body 2, a planetary reduction gear 7 of small thickness to increase the torque between motor output shaft 3A and oscillating finger 4.
  • This planetary reducer 7 makes it possible, due to its small size, to obtain a mower body the dimensions of which are substantially identical to those of a prior art mower.
  • the planetary reduction gear 7 consists of a stationary ring 8 housed in the body 2 of the mower.
  • This stationary crown 8 is internally provided with teeth.
  • This internal toothing of the crown 8 cooperates by gearing with at least two satellites 9 themselves driven by a pinion 10 carried by the shaft 3A of the output of the electric motor 3.
  • These satellites 9 have the general shape of pinions and are supported free to rotate by a planet carrier 11.
  • This planet carrier 11 has the shape of a circular plate carrying on one of its faces the axes 12 of the satellites 9 and on the 'other side an eccentric 13 intended to attack the oscillating finger 4 of animation of the mower head.
  • the eccentric 13 is positioned on a central axis 11A of the satellite carrier. 11.
  • the satellite carrier 11 is rotated around an axis XX 'passing through the axis 11A, this axis XX' also being coaxial with the motor output shaft 3A.
  • the design of such a planetary reducer 7 allows easy accommodation of the latter inside the housing body as well as easy assembly of the constituent parts.
  • the oscillating finger 4, driven in reciprocating movement by means of this planetary reducer 7, has two branches 4A, 4B connected to one of their ends, this common end being intended to be fitted on an axis 5 of oscillation mounted fixed inside the body 2 of the mower.
  • a connecting piece 14 is also provided, between the eccentric 13 of the planet carrier 11 and one 4A of the branches of the finger 4, a connecting piece 14 allowing the drive of the finger 4 oscillating by the eccentric 13.
  • This connecting piece 14 here affects the shape of a cube or a cross. In the case of a cube, this cube comprises, on two of its adjacent orthogonal faces, two bearings 14A, 14B. In the case of a cross, the bearings 14A and 14B are formed in two orthogonal branches of the cross.
  • the bearing 14A receives the eccentric axis 13 while the bearing 14B receives an axis 4C of the branch 4A of the oscillating finger.
  • This axis 4C is perpendicular to the eccentric axis 13 and is of course parallel to the axis 5 of oscillation of the finger.
  • the second bearing 14B thus slides along the axis of the branch 4A of the finger 4 to allow an oscillating movement of the finger 4.
  • the finger 4 can for its part be held on the axis 5 of oscillation via of a ring 20 of fixation.
  • the motor output shaft 3A 3 carries a ventilation turbine 15.
  • the turbine 15 of the ventilation provides cooling air sch- 'and / or through the housing of the electric motor 3 ⁇ . Thanks to this successive stacking of the ventilation turbine 15 and of the planetary reduction gear 7, the ventilation turbine 15 and the planetary reduction gear 7 can be housed inside a metal cage 21, preferably made of aluminum, to favor 1 ' removal of the calories generated by the electric motor 3.
  • This aluminum cage 21 thus forms a radiator, the fan cooling this cage so as to maintain it at constant temperature. For this reason, the choice of aluminum is particularly important.
  • the cage also has windows for evacuating ventilation air and therefore calories.
  • This casing 16 constituting the external body 2 of the mower.
  • This casing 16 can be made of synthetic material.
  • This casing 16 comprises, as illustrated in FIG. 3, grids 17 arranged opposite the windows of the cage in order to make the internal constituent elements of the cage communicate with the outside atmosphere of the mower 1 so as to again perfect the cooling of the assembly.
  • These grids 17 are also positioned outside the manual grip area of the mower body and are thus positioned at neighborhood of the mower head.
  • These grids 17 are also positioned on the top face and the bottom face of the body 2 so as to limit the risks of overlapping of these grids.
  • the body 2 of the mower Includes imprints 18 materializing the zone of .-; grip .. manual, these imprints further promoting the grip of the mower without slipping.
  • These imprints 18 are materialized by simple recessed areas formed on the outer surface of the body 2 of the mower.
  • the body 2 of the mower also comprises, at its end opposite to the mower head, a flexible handle 19 for suspending the mower from a hook.
  • this mower is provided, at its end opposite to the head, with a pin used for the connection of an electric cable connecting the mower to the sector via a transformer.
  • the mower thus obtained makes it possible to offer an irreproachable quality of mowing and allows a saving of 50% of the time of grooming compared to mowers of one state of 'the art without changing the engine power traditionally used for this type of mower.

Abstract

The clipper is driven by an electric motor (3) with an integral fan (15). The motor output shaft (3A) engages a three satellite (9) planetary gear (8) which increases the torque to an eccentric member (13). The eccentric drives an oscillating finger (4) through a coupling element (14) and the finger actuates a cutting comb. The clipper is housed in an aluminum case (21) which is shaped for easy secure gripping

Description

Tondeuse électrique à main pour la coupe notamment de poils d 'animauxElectric hand clipper for cutting animal hair in particular
La présente invention concerne une tondeuse électrique à main pour la coupe notamment de poils d'animaux, du type comprenant un corps logeant un moteur électrique pour actionner, en mouvement alternatif, par l'intermédiaire d'un doigt oscillant, un peigne coupant de tête de tondeuse.The present invention relates to an electric hand clipper for cutting in particular animal hair, of the type comprising a body housing an electric motor for actuating, in reciprocating movement, by means of an oscillating finger, a head cutting comb of mower.
La tonte d'animaux à toison épaisse engendre aujourd'hui, outre un temps de toilettage important, une qualité de tonte médiocre due à une puissance insuffisante qui génère une oscillation trop faible des peignes et par suite une coupe non nette des poils. Par ailleurs, on constate un échauffement rapide de la tondeuse qui oblige à interrompre l' opération, de tonte jusqu'à refroidissement complet de la tondeuse . Tous ces inconvénients sont dus à la conception des tondeuses dont l'arbre de sortie moteur est soit une vis sans fin qui agit sur un pignon excentrique, lui-même venant en prise par l'intermédiaire d'une pièce de liaison sur un doigt oscillant entraînant en déplacement un peigne coupant de la tondeuse, soit un arbre d'entraînement d'un roulement à billes excentré agissant directement sur le doigt 'oscillant entraînant en déplacement un peigne coupant de la tondeuse.The shearing of thick fleece animals generates today, in addition to a long grooming time, a poor quality of shearing due to insufficient power which generates too weak oscillation of the combs and consequently an unclean cut of the hairs. In addition, there is a rapid heating of the mower which makes it necessary to interrupt the operation , from mowing until complete cooling of the mower. All of these drawbacks are due to the design mowers whose motor output shaft is either an endless screw which acts on an eccentric pinion, itself engaging via a connecting piece on an oscillating finger driving in displacement a comb cutting the mower, that is to say a drive shaft of an eccentric ball bearing acting directly on the oscillating finger driving in displacement a cutting comb of the mower.
Dans le brevet GB-A-1.021.615, est proposée une tondeuse comportant un réducteur de vitesse qui est mentionné comme disposant d'une action de friction planétaire. Ce document décrit également un état de la technique constitué de réducteurs de vitesse à engrenage qui sont d'efficacité limitée et de conception complexe. Dans la tondeuse décrit par ce brevet GB-A-1.021.615, le réducteur de vitesse est constitué d'un boîtier libre en rotation, de deux roulements à bille montés à l'intérieur du boîtier, de deux bagues sur lesquelles les anneaux de roulement sont fixés, une bague étant libre et l'autre bague étant fixée à 1 ' arbre du moteur électrique . Les bagues présentent sur leur face d'extrémité des rainures avec des billes qui assurent l'ajustement du couple en fonction de la charge. Le dispositif de réduction de vitesse nécessite ici d'une part un entraînement par friction, d'autre part une variation du couple au moyen de billes se déplaçant à l'intérieur de paliers. Il en résulte un dispositif extrêmement complexe qui ne permet pas de garantir une vitesse constante à vide et en charge de l'organe de coupe. En outre, la qualification du réducteur de vitesse tel que décrit dans ce document comme réducteur disposant d'une action de friction planétaire est erronée , car à aucun moment n'interviennent des pignons contrairement à un système du type réducteur planétaire dans lequel la réduction s'effectue par engrènement. Le réducteur de vitesse mentionné pour cette tondeuse n'est donc pas un réducteur planétaire.In patent GB-A-1,021,615, a mower is proposed comprising a speed reducer which is mentioned as having a planetary friction action. This document also describes a state of the art consisting of gear speed reducers which are of limited efficiency and of complex design. In the mower described by this patent GB-A-1,021,615, the speed reducer consists of a freely rotating housing, two ball bearings mounted inside the housing, two rings on which the rings of bearing are fixed, one ring being free and the other ring being fixed to one shaft of the electric motor. The rings have grooves on their end face with balls which ensure the adjustment of the torque as a function of the load. The speed reduction device requires here on the one hand a friction drive, on the other hand a variation of the torque by means of balls moving inside bearings. The result is an extremely complex device which does not guarantee a constant speed when empty and in charge of the cutting member. In addition, the qualification of the speed reducer as described in this document as a reducer having a planetary friction action is erroneous, because at no gears do not intervene, unlike a system of the planetary reduction type in which the reduction is effected by meshing. The speed reducer mentioned for this mower is therefore not a planetary reducer.
Un but dβ la présente invention est de., proposera' une tondeuse électrique dont la conception perm.et de maintenir une vitesse constante à vide et en charge du peigne de la tondeuse sans échauffement de cette dernière par accroissement du couple transmis entre arbre de sortie moteur et doigt oscillant.An object of the present invention is to provide an electric mower whose design allows and to maintain a constant speed when empty and under load of the mower's comb without heating the latter by increasing the torque transmitted between the output shaft. motor and oscillating finger.
Un autre but de la présente invention est de proposer une tondeuse électrique dont la conception permet de réduire, du fait de l'absence d' échauffement et d'une augmentation de la qualité de coupe, une réduction du temps de toilettage sans augmenter le coût global d'une telle tondeuse et sans modifier la puissance du moteur utilisé.Another object of the present invention is to provide an electric clipper whose design makes it possible to reduce, due to the absence of heating and an increase in the quality of cut, a reduction in grooming time without increasing the cost overall of such a mower and without modifying the power of the engine used.
A cet effet, l'invention a pour objet une tondeuse électrique à main pour la coupe notamment de poils d'animaux, du type comprenant un corps logeant un moteur électrique pour actionner, en mouvement alternatif, par l'intermédiaire d'un doigt oscillant, un peigne coupant de tête de tondeuse, caractérisée en ce qu'elle comporte, entre l'arbre de sortie moteur et le doigt oscillant, logé à l'intérieur du corps, un réducteur planétaire de faible épaisseur pour accroître le couple entre arbre de sortie moteur et doigt oscillant et ainsi obtenir une vitesse constante à vide et en charge des organes de coupe et du moteur . La présence d'un réducteur planétaire à engrenement permet 1 ' augmentation du couple transmis sans augmenter en proportion la puissance du moteur utilisé et d'obtenir ainsi une vitesse constante à vide et en charge de l'organe de coupe et du moteur sans provoquer d' échauffement de ladite tondeuse.To this end, the subject of the invention is an electric hand clipper for cutting in particular animal hair, of the type comprising a body housing an electric motor for actuating, in reciprocating motion, by means of an oscillating finger. , a cutting head mower comb, characterized in that it comprises, between the motor output shaft and the oscillating finger, housed inside the body, a planetary reduction gear of small thickness to increase the torque between the motor output and oscillating finger and thus obtain a constant speed when empty and under load from the cutting members and the motor. The presence of a planetary gear reducer allows one to increase the transmitted torque without proportionally increasing the power of the motor used and thus obtain a constant speed when empty and loaded with the cutting member and the motor without causing d heating of said mower.
L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels :The invention will be clearly understood on reading the following description of exemplary embodiments, with reference to the appended drawings in which:
la figure 1 représente une vue partielle en perspective des éléments constitutifs de la tondeuse logés à 1 ' intérieur du corps de cette dernière en position éclatée desdits éléments ;FIG. 1 represents a partial perspective view of the constituent elements of the mower housed inside the body of the latter in the exploded position of said elements;
la figure 2 représente respectivement une vue en perspective avant et une vue en perspective arrière du réducteur planétaire en prise avec le doigt oscillant etFIG. 2 represents respectively a front perspective view and a rear perspective view of the planetary gearbox engaged with the oscillating finger and
la figure 3 représente une vue d'ensemble d'une tondeuse conforme à l'invention.Figure 3 shows an overview of a mower according to the invention.
La tondeuse 1 électrique à main, objet de l'invention, est destinée plus particulièrement à la coupe de poils de petits animaux. Cette tondeuse comprend un corps 2 logeant un moteur 3 électrique basse tension d'une puissance de l'ordre de 22 Watts. Ce moteur 3 électrique permet d'actionner, en mouvement alternatif, par l'intermédiaire d'un doigt 4 oscillant, un peigne 6 coupant de tête de tondeuse . Cette tête de tondeuse conforme à celle représentée à la figure 3 comporte généralement deux peignes, l'un fixe, l'autre mobile. Cette tête est généralement encliquetable à une extrémité du corps 2 de la tondeuse .The electric hand clipper 1, object of the invention, is intended more particularly for cutting the hair of small animals. This mower comprises a body 2 housing a low voltage electric motor 3 with a power of the order of 22 Watts. This electric motor 3 actuates, in reciprocating movement, by means of an oscillating finger 4, a comb 6 cutting the head of mower. This mower head in accordance with that shown in FIG. 3 generally comprises two combs, one fixed, the other mobile. This head is generally snap-in at one end of the body 2 of the mower.
De manière caractéristique à l'invention, la. tondeuse 1 électrique comporte '-"encore, entre l'arbre 3A de sortie moteur et le doigt 4 oscillant, logé à l'intérieur du corps 2, un réducteur 7 planétaire de faible épaisseur pour accroître le couple entre arbre 3A de sortie moteur et doigt 4 oscillant. Ce réducteur 7 planétaire permet, du fait de son faible encombrement, d'obtenir un corps de tondeuse dont les dimensions sont sensiblement identiques à celles d'une tondeuse de l'état de la technique.Characteristically to the invention, the. 1 electric mower includes' - "again, between the motor output shaft 3A and the oscillating finger 4, housed inside the body 2, a planetary reduction gear 7 of small thickness to increase the torque between motor output shaft 3A and oscillating finger 4. This planetary reducer 7 makes it possible, due to its small size, to obtain a mower body the dimensions of which are substantially identical to those of a prior art mower.
Comme l'illustrent les figures 1 et 2 , le réducteur 7 planétaire est constitué d'une couronne 8 stationnaire logée dans le corps 2 de tondeuse. Cette couronne 8 stationnaire est munie intérieurement d'une denture. Cette denture intérieure de la couronne 8 coopère par engrenage avec au moins deux satellites 9 entraînés eux-mêmes par un pignon 10 porté par l'arbre 3A de sortie du moteur 3 électrique. Ces satellites 9 affectent la forme générale de pignons et sont supportés libre à rotation par un porte satellites 11. Ce porte satellite 11 affecte la forme d'un plateau circulaire portant sur l'une de ses faces les axes 12 des satellites 9 et sur l'autre face un excentrique 13 destiné à attaquer le doigt 4 oscillant d'animation de la tête de tondeuse .As illustrated in FIGS. 1 and 2, the planetary reduction gear 7 consists of a stationary ring 8 housed in the body 2 of the mower. This stationary crown 8 is internally provided with teeth. This internal toothing of the crown 8 cooperates by gearing with at least two satellites 9 themselves driven by a pinion 10 carried by the shaft 3A of the output of the electric motor 3. These satellites 9 have the general shape of pinions and are supported free to rotate by a planet carrier 11. This planet carrier 11 has the shape of a circular plate carrying on one of its faces the axes 12 of the satellites 9 and on the 'other side an eccentric 13 intended to attack the oscillating finger 4 of animation of the mower head.
Dans les exemples représentés, l'excentrique 13 est positionné sur un axe 11A central du porte satellites.11.In the examples shown, the eccentric 13 is positioned on a central axis 11A of the satellite carrier. 11.
En effet, le porte satellite 11 est entraîné en rotation autour d'un axe XX' passant par l'axe 11A, cet axe XX' étant également coaxial à l'arbre 3A de sortie moteur. La conception d'un tel réducteur 7 planétaire permet un logement aisé de ce dernier à 1 ' intérieur du corps de carter ainsi qu'un assemblage aisé des pièces le constituant .In fact, the satellite carrier 11 is rotated around an axis XX 'passing through the axis 11A, this axis XX' also being coaxial with the motor output shaft 3A. The design of such a planetary reducer 7 allows easy accommodation of the latter inside the housing body as well as easy assembly of the constituent parts.
Le doigt 4 oscillant, entraîné en déplacement alternatif par l'intermédiaire de ce réducteur 7 planétaire, présente quant à lui deux branches 4A, 4B reliées entre elles à une de leurs extrémités, cette extrémité commune étant destinée à venir s'emmancher sur un axe 5 d'oscillation monté fixe à l'intérieur du corps 2 de la tondeuse. Il est prévu par ailleurs, entre l'excentrique 13 du porte satellites 11 et l'une 4A des branches du doigt 4, une pièce 14 de liaison autorisant 1 ' entraînement du doigt 4 oscillant par l'excentrique 13. Cette pièce 14 de liaison affecte ici la forme d'un cube ou d'un croisillon. Dans le cas d'un cube, ce cube comporte, sur deux de ses faces adjacentes orthogonales, deux paliers 14A, 14B. Dans le cas d'un croisillon, les paliers 14A et 14B sont ménagés dans deux branches orthogonales du croisillon. Le palier 14A reçoit l'axe d'excentrique 13 tandis que le palier 14B reçoit un axe 4C de la branche 4A du doigt oscillant. Cet axe 4C est perpendiculaire à l'axe d'excentrique 13 et est bien sûr parallèle à l'axe 5 d'oscillation du doigt. Le second palier 14B forme ainsi coulisse le long de l'axe de la branche 4A du doigt 4 pour autoriser un mouvement oscillant du doigt 4. Le doigt 4 peut quant à lui être maintenu sur l'axe 5 d'oscillation par l'intermédiaire d'une bague 20 de fixation.The oscillating finger 4, driven in reciprocating movement by means of this planetary reducer 7, has two branches 4A, 4B connected to one of their ends, this common end being intended to be fitted on an axis 5 of oscillation mounted fixed inside the body 2 of the mower. There is also provided, between the eccentric 13 of the planet carrier 11 and one 4A of the branches of the finger 4, a connecting piece 14 allowing the drive of the finger 4 oscillating by the eccentric 13. This connecting piece 14 here affects the shape of a cube or a cross. In the case of a cube, this cube comprises, on two of its adjacent orthogonal faces, two bearings 14A, 14B. In the case of a cross, the bearings 14A and 14B are formed in two orthogonal branches of the cross. The bearing 14A receives the eccentric axis 13 while the bearing 14B receives an axis 4C of the branch 4A of the oscillating finger. This axis 4C is perpendicular to the eccentric axis 13 and is of course parallel to the axis 5 of oscillation of the finger. The second bearing 14B thus slides along the axis of the branch 4A of the finger 4 to allow an oscillating movement of the finger 4. The finger 4 can for its part be held on the axis 5 of oscillation via of a ring 20 of fixation.
Pour faciliter le refroidissement d'une tondeuse du type décrit ci-dessus, l'arbre 3A de sortie du moteur 3 porte une turbine 15 de ventilation. Cette turbine 15 de ventilation assure le refroidissement d'air autour- 'et/ou à travers la carcasse du moteur 3 ^électrique . Grâce à cet empilement successif de la turbine 15 de ventilation et du réducteur 7 planétaire, la turbine 15 de ventilation et le réducteur 7 planétaire peuvent être logés a 1 ' intérieur d'une cage 21 métallique, de préférence en aluminium, pour favoriser 1 ' évacuation des calories générées par le moteur 3 électrique. Cette cage 21 en aluminium forme ainsi radiateur, le ventilateur refroidissant cette cage de manière à la maintenir à température constante . Pour cette raison, le choix de l'aluminium est particulièrement important . La cage comporte encore des fenêtres d'évacuation de l'air de ventilation et par suite des calories .To facilitate the cooling of a mower of the type described above, the motor output shaft 3A 3 carries a ventilation turbine 15. The turbine 15 of the ventilation provides cooling air autour- 'and / or through the housing of the electric motor 3 ^. Thanks to this successive stacking of the ventilation turbine 15 and of the planetary reduction gear 7, the ventilation turbine 15 and the planetary reduction gear 7 can be housed inside a metal cage 21, preferably made of aluminum, to favor 1 ' removal of the calories generated by the electric motor 3. This aluminum cage 21 thus forms a radiator, the fan cooling this cage so as to maintain it at constant temperature. For this reason, the choice of aluminum is particularly important. The cage also has windows for evacuating ventilation air and therefore calories.
Pour parfaire l'habillage de l'ensemble, l'ensemble des pièces motrices et de transmission des mouvements de la tondeuse sont logées dans un carter 16 constituant le corps 2 externe de la tondeuse. Ce carter 16 peut être réalisé en matière de synthèse. Ce carter 16 comporte, comme l'illustre la figure 3, des grilles 17 ménagées en regard de fenêtres de la cage pour faire communiquer les éléments constitutifs internes à la cage avec l'ambiance extérieure à la tondeuse 1 de manière à nouveau à parfaire le refroidissement de l'ensemble. Ces grilles 17 sont par ailleurs positionnées en dehors de la zone de prise manuelle du corps de tondeuse et sont ainsi positionnées au voisinage de la tête de tondeuse. Ces grilles 17 sont par ailleurs positionnées sur la face du dessus et la face du dessous du corps 2 de manière à limiter les risques .de recouvrement de ces grilles.To improve the overall appearance, all the driving and transmission parts for the mower's movements are housed in a casing 16 constituting the external body 2 of the mower. This casing 16 can be made of synthetic material. This casing 16 comprises, as illustrated in FIG. 3, grids 17 arranged opposite the windows of the cage in order to make the internal constituent elements of the cage communicate with the outside atmosphere of the mower 1 so as to again perfect the cooling of the assembly. These grids 17 are also positioned outside the manual grip area of the mower body and are thus positioned at neighborhood of the mower head. These grids 17 are also positioned on the top face and the bottom face of the body 2 so as to limit the risks of overlapping of these grids.
Pour éviter à nouveau une mauvaise .préhension d'un tel corps de tondeuse, le corps 2 de la tondeuse., , comporte des empreintes 18 matérialisant la zone de.-;prise.. manuelle, ces empreintes favorisant en outre la prise en main de la tondeuse sans glissement. Ces empreintes 18 sont matérialisées par de simples zones en creux ménagées sur la surface extérieure du corps 2 de tondeuse .To avoid again a bad .préhension of such a mower body, the body 2 of the mower.,, Includes imprints 18 materializing the zone of .-; grip .. manual, these imprints further promoting the grip of the mower without slipping. These imprints 18 are materialized by simple recessed areas formed on the outer surface of the body 2 of the mower.
Le corps 2 de la tondeuse comporte encore, à son extrémité opposée à la tête de tondeuse, une anse 19 souple pour la suspension de la tondeuse à un crochet. Enfin, on note que cette tondeuse est munie, à son extrémité opposée à la tête, d'une broche servant au raccordement d'un câble électrique de liaison de la tondeuse au secteur par l'intermédiaire d'un transformateur. La possibilité de débrancher entièrement le câble sans présence permanente d'un cordon souple de raccordement à l'extrémité de la tondeuse permet un changement rapide du câble d'alimentation. En effet, il est fréquent que les animaux mordent dans le câble et endommagent de manière irréversible ce dernier. La présence d'une broche métallique rigide de raccordement du câble d'alimentation permet, lorsqu'un tel accident se produit, de procéder rapidement à un changement du câble d'alimentation.The body 2 of the mower also comprises, at its end opposite to the mower head, a flexible handle 19 for suspending the mower from a hook. Finally, it should be noted that this mower is provided, at its end opposite to the head, with a pin used for the connection of an electric cable connecting the mower to the sector via a transformer. The possibility of completely disconnecting the cable without the permanent presence of a flexible connection cord at the end of the mower allows a quick change of the power cable. Indeed, it is common for animals to bite into the cable and irreversibly damage the cable. The presence of a rigid metal pin connecting the power cable allows, when such an accident occurs, to quickly change the power cable.
La tondeuse ainsi obtenue permet d'offrir une qualité de tonte irréprochable et permet un gain de 50 % du temps de toilettage comparé aux tondeuses de 1 ' état de ' la technique sans pour autant modifier la puissance du moteur utilisé traditionnellement pour ce type de tondeuse . The mower thus obtained makes it possible to offer an irreproachable quality of mowing and allows a saving of 50% of the time of grooming compared to mowers of one state of 'the art without changing the engine power traditionally used for this type of mower.

Claims

REVENDICATIONS
1. Tondeuse (1) électrique à main pour la coupe notamment de poils d'animaux, du type comprenant un corps (2) logeant un moteur (3) électrique pour actionner, en mouvement alternatif, par l'intermédiaire d'un doigt (4) oscillant, un peigne (6) coupant de tête de tondeuse, caractérisée en ce .qu'elle comporte, entre l'arbre' (3A) de sortie moteur et le doigt (4) oscillant, logé à l'intérieur du corps (2) , un réducteur (7) planétaire de faible épaisseur pour accroître le couple entre arbre (3A) de sortie moteur et doigt (4) oscillant et ainsi obtenir une vitesse constante à vide et en charge de l'organe (6) de coupe et du moteur (3) .1. Electric hand clipper (1) for cutting in particular animal hair, of the type comprising a body (2) housing an electric motor (3) for actuating, in reciprocating motion, by means of a finger ( 4) oscillating, a comb (6) cutting the mower head, characterized in that it comprises, between the motor output shaft (3A) and the oscillating finger (4), housed inside the body (2), a planetary gearbox (7) of small thickness to increase the torque between the motor output shaft (3A) and the oscillating finger (4) and thus obtain a constant speed when empty and in charge of the member (6) and engine (3).
2. Tondeuse (1) selon la revendication 1, caractérisée en ce que le réducteur (7) planétaire est constitué d'une couronne (8) stationnaire- logée dans le corps de tondeuse, la denture intérieure de la couronne (8) coopérant par engrenage avec au moins deux satellites (9) entraînés eux-mêmes par un pignon (10) porté par l'arbre (3A) de sortie du moteur (3) électrique, lesdits satellites (9) étant supportés libre à rotation par un porte satellites (11) portant sur une face les axes (12) des satellites (9) et sur l'autre face un excentrique .(13) destiné à attaquer le doigt (4) oscillant d'animation de la tête de tondeuse .2. Mower (1) according to claim 1, characterized in that the planetary reduction gear (7) consists of a stationary crown (8) housed in the mower body, the internal toothing of the crown (8) cooperating by gear with at least two satellites (9) themselves driven by a pinion (10) carried by the output shaft (3A) of the electric motor (3), said satellites (9) being supported free to rotate by a planet carrier (11) carrying on one side the axes (12) of the satellites (9) and on the other side an eccentric . (13) intended to attack the oscillating finger (4) animating the mower head.
3. Tondeuse (1) selon la revendication 2, caractérisée en ce que l'excentrique (13) est positionné sur un axe (11A) central du porte satellites (11) . 3. Mower (1) according to claim 2, characterized in that the eccentric (13) is positioned on an axis (11A) central to the planet carrier (11).
4. Tondeuse (1) selon l'une des revendications 2 et 3 , caractérisée en ce que le doigt (4) oscillant présente deux branches (4A, 4B) et en ce qu'il est prévu, entre l'excentrique (13) du porte satellites (11) et l'une (4A) des branches du doigt (4) , une pièce (14) de liaison autorisant L'entraînement du doigt (4) oscillant .par l'excentrique (13) .4. Mower (1) according to one of claims 2 and 3, characterized in that the oscillating finger (4) has two branches (4A, 4B) and in that it is provided, between the eccentric (13) of the planet carrier (11) and one (4A) of the branches of the finger (4), a connecting piece (14) authorizing the drive of the finger (4) oscillating by the eccentric (13).
5. Tondeuse (1) selon la revendication 4, caractérisée en ce que la pièce (14) de liaison comporte deux paliers (14A, 14B) , l'un (14A) recevant l'axe d'excentrique (13), l'autre (14B) un axe (4C) de la branche (4A) du doigt perpendiculaire à l'axe d'excentrique (13), ce second palier (14B) formant coulisse le long de l'axe de la branche (4A) du doigt (4) .5. Mower (1) according to claim 4, characterized in that the connecting piece (14) has two bearings (14A, 14B), one (14A) receiving the eccentric axis (13), the other (14B) an axis (4C) of the branch (4A) of the finger perpendicular to the eccentric axis (13), this second bearing (14B) forming a slide along the axis of the branch (4A) of the finger (4).
6. Tondeuse (1) selon l'une des revendications 1 à 5, caractérisée en ce que l'arbre (3A) de sortie du moteur (3) porte une turbine (15) de ventilation pour assurer le refroidissement d'air autour et/ou à travers la carcasse du moteur (3) électrique, au moins la turbine (15) de ventilation et le réducteur (7) planétaire étant logés à l'intérieur d'une cage métallique, de préférence en aluminium, pour favoriser l'évacuation des calories générées par le moteur (3) électrique.6. Mower (1) according to one of claims 1 to 5, characterized in that the shaft (3A) of the engine outlet (3) carries a turbine (15) for ventilation to cool the air around and / or through the carcass of the electric motor (3), at least the ventilation turbine (15) and the planetary reduction gear (7) being housed inside a metal cage, preferably made of aluminum, to promote the removal of the calories generated by the electric motor (3).
7. Tondeuse (1) selon la revendication 6, caractérisée en ce que la cage comporte des fenêtres d'évacuation de l'air de ventilation et par suite des calories.7. Mower (1) according to claim 6, characterized in that the cage has windows for evacuating the ventilation air and therefore the calories.
8. Tondeuse (1) selon l'une des revendications 1 à 7, caractérisée en ce que l'ensemble des pièces motrices et de transmission des mouvements de la tondeuse sont logées dans un carter (16) constituant le corps (2) externe de la tondeuse .8. Mower (1) according to one of claims 1 to 7, characterized in that all the driving and transmission parts of the mower's movements are housed in a casing (16) constituting the external body (2) of the mower.
9. Tondeuse (1) selon l'une des revendications 7 et 8 , caractérisée en ce> que le carter (16) comporte des grilles (17) ménagées en' 'regard de fenêtres de la cage pour faire communiquer les éléments constitutifs internes à la cage avec l'ambiance extérieure à la tondeuse (1), lesdites grilles (17) étant positionnées en dehors de la zone de prise manuelle du corps de tondeuse.9. Mower (1) according to one of claims 7 and 8, characterized in that> the casing (16) comprises grids (17) arranged in '' facing windows of the cage to communicate the internal components to the cage with the atmosphere external to the mower (1), said grids (17) being positioned outside the manual grip area of the mower body.
10. Tondeuse (1) selon l'une des revendications 1 à 9, caractérisé en ce que le corps (2) de la tondeuse comporte, à son extrémité opposée à la tête de tondeuse, une anse (19) souple pour la suspension de la tondeuse à un crochet.10. Mower (1) according to one of claims 1 to 9, characterized in that the body (2) of the mower comprises, at its end opposite to the mower head, a handle (19) flexible for the suspension of the mower has a hook.
11. Tondeuse (1) selon l'une des revendications 1 à 10, caractérisé en ce que le corps (2) de la tondeuse comporte des empreintes (18) matérialisant la zone de prise manuelle pour favoriser la prise en main sans glissement. 11. Mower (1) according to one of claims 1 to 10, characterized in that the body (2) of the mower has imprints (18) materializing the manual grip area to promote grip without slipping.
EP02805405A 2001-12-21 2002-12-20 Electric hand clipper in particular for cutting animal hairs Expired - Lifetime EP1455992B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0116665 2001-12-21
FR0116665A FR2833881B1 (en) 2001-12-21 2001-12-21 ELECTRIC HAND MOWER FOR CUTTING IN PARTICULAR ANIMAL HAIR
PCT/FR2002/004478 WO2003053641A1 (en) 2001-12-21 2002-12-20 Electric hand clipper in particular for cutting animal hairs

Publications (2)

Publication Number Publication Date
EP1455992A1 true EP1455992A1 (en) 2004-09-15
EP1455992B1 EP1455992B1 (en) 2005-12-07

Family

ID=8870842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02805405A Expired - Lifetime EP1455992B1 (en) 2001-12-21 2002-12-20 Electric hand clipper in particular for cutting animal hairs

Country Status (7)

Country Link
US (1) US20050060893A1 (en)
EP (1) EP1455992B1 (en)
AT (1) ATE311963T1 (en)
DE (1) DE60207888T2 (en)
ES (1) ES2257600T3 (en)
FR (1) FR2833881B1 (en)
WO (1) WO2003053641A1 (en)

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Also Published As

Publication number Publication date
ATE311963T1 (en) 2005-12-15
US20050060893A1 (en) 2005-03-24
ES2257600T3 (en) 2006-08-01
DE60207888D1 (en) 2006-01-12
EP1455992B1 (en) 2005-12-07
DE60207888T2 (en) 2006-08-17
FR2833881A1 (en) 2003-06-27
FR2833881B1 (en) 2004-06-04
WO2003053641A1 (en) 2003-07-03

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