EP1632311B1 - Pole sander with interchangeable polishing head - Google Patents

Pole sander with interchangeable polishing head Download PDF

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Publication number
EP1632311B1
EP1632311B1 EP05300629A EP05300629A EP1632311B1 EP 1632311 B1 EP1632311 B1 EP 1632311B1 EP 05300629 A EP05300629 A EP 05300629A EP 05300629 A EP05300629 A EP 05300629A EP 1632311 B1 EP1632311 B1 EP 1632311B1
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EP
European Patent Office
Prior art keywords
modular element
tool
sander
giraffe
quick
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EP05300629A
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German (de)
French (fr)
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EP1632311A1 (en
Inventor
Marc Bottazzi
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MBH Developpement SARL
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MBH Developpement SARL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
    • B24B7/184—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings pole sanders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/222—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding vertical surfaces

Definitions

  • the invention relates to the technical sector of sanding equipment used in construction and construction.
  • giraffe sanders known on the market comprise a gripping arm (1) and carrying by the user on which the motor part (2), the gripping handle (3) fits. and the active head portion (4).
  • the latter has a curved neck shape and receives at its end the grinding wheel (5).
  • This type of sander is therefore referred to in the professional circles concerned with the expression pictured sander giraffe because of the particular shape of the grinding head of the grinding wheel. This allows to work ceilings, the upper part of the walls and up to a height of about 3 meters, depending on equipment.
  • the giraffe sanders thus equipped are also equipped with a suction pipe (6) for dust and other residues resulting from sanding.
  • giraffe sanders are thus equipped with a grinding-type tool that is integrated and fixed at the end of the head.
  • the device is unique and not modifiable.
  • the obvious initial step was from the giraffe sander body known to provide in end of the tool support head a possibility of changing the wheel used to replace another of different shape and / or diameter.
  • this requires the use of a tool type of keys to act on the connecting members of the nut shaft type.
  • the manipulation is not very practical to execute, it is necessary to switch the sander and orient it to make the change of tools.
  • the giraffe sander comprises a base member which comprises in front a gripping arm portion, a motor means and a receiving portion of the flexible particle evacuation duct, and in that the base member is connected and coupled by a quick-fit device to a modular element receiving a tool head, and in that a quick-fit device is arranged to allow continuity in the mechanical power transmission from the power unit to the tool to ensure its rotation and operation, and that the tool head is interchangeable and allows the use of a plurality of tools arranged and fixed from a configuration of the standard tool head fitting on the modular element.
  • the giraffe sander according to the invention is referenced as a whole by (P). It comprises a base member (10) which comprises in front a gripping arm portion (10a), the driving means (11), and then the receiving portion (10b) of the flexible exhaust duct (12) of abrasion particles. , dust and the like.
  • the base member (10) can be connected and coupled by a quick-fit device (13) to a modular element (14) receiving a specific tool head (15).
  • the quick coupling device (13) is such that it ensures on the one hand the connection and locking in position of the base element (10) with the modular element (14) but also and on the other hand allows a continuity in the mechanical power transmission of the power unit to the tool to ensure its rotation and operation.
  • the handle (32) is attached to the modular element in any suitable manner and furthermore it is also the means for gripping and gripping the modular element taken independently.
  • the base member (10) is arranged at its end with a shouldered cylindrical portion (10a) of smaller section capable of receiving a ring ( 16) axially sliding against a return spring (17) mounted on said shoulder portion (10a).
  • a first end (17a) of the spring abuts against the connecting edge (10b) between the shoulder portion and the outer body of the base member, and the other end (17b) of the spring bears on a flange.
  • a circlip (18) locks the ring (16) in position.
  • the shoulder portion is arranged with radial openings (10d) receiving balls (19).
  • the ring (16) has a ramp profile (16b) formed in front and inwardly of the latter so as to form a raceway of the ring in the locking and unlocking position of the fitting device.
  • the inner body of the base member (10) is arranged set back from the positioning zone of said ring with annular protruding shapes (10e) receiving rolling means (20) of the transmission shaft.
  • rigid (21) secured to the power unit. Said ring-shaped shapes themselves have openings for the passage of dust and debris.
  • the rigid transmission shaft (21) is end-arranged with a cylindrical shape and then at different points internally likely to constitute a coupling means.
  • the modular element (14) is arranged with complementary shapes capable of allowing a fitting on the body of the base element (10) and also to ensure a connection with the part of the transmission shaft (22) arranged in said modular element and connecting to the tool to ensure his training.
  • the modular element comprises at one end (14a) an extension shouldered relative to the body (14b) of said cylindrical element and penetrating into the base member.
  • impressions (14c) V-shaped for example may be the seat of the balls (19) above.
  • the end of said extension internally receives projections (14d) forming a ring and allowing on the one hand the positioning of the bearing members (23) of the aforementioned flexible transmission shaft (22) and on the other hand the passage and suction of abrasive particles, dust and others.
  • the flexible transmission means (22) has an overhanging end forming an appendage (22a) with respect to the end of the modular element, and being able to engage and cooperate by driving with the complementary end-formed part. end of the rigid transmission means.
  • the configuration of the appendix is designed to ensure the manual fitting of the assembly.
  • the other end of the flexible transmission means is coupled and secured in any appropriate manner to the active part of the tool to rotate it.
  • the modular element is arranged with a branch of a suction duct (24) which originates and is fixed on said modular element and opens into the area of the grinding and / or sanding tool for sampling dust and others.
  • the front end of the modular element is fixed to the head of the active support part of the tool by any appropriate means.
  • the support head (15) of the tool is thus able to receive a quick mounting on an axis, in the manner of a ball joint, the front end of the modular element with a locking means in position.
  • the tool support head is common to all tools in a vibrating wheel, drum, orbital rotary wheel and other configuration. Locking in position is effected by means of a handle (26) disposed at the end of a lever (27) for pivoting and tilting connection.
  • a handle (26) disposed at the end of a lever (27) for pivoting and tilting connection.
  • the end of the modular element is mounted on an axis (28) disposed between a clevis shape (29) of the active head while deformable intermediate means (30) are mounted. on said axis in the two spaces formed on either side, between the wings of said yoke (29) and the end of the modular element.
  • the lever (27) is secured at its lower end to the axis (28) by means of a keying (31) or the like, and said end is profiled to form a cam.
  • a keying (31) or the like the lever is secured at its lower end to the axis (28) by means of a keying (31) or the like, and said end is profiled to form a cam.
  • This particular implementation allows blocking in position and orientation of the active head relative to said areas to work.
  • the giraffe sander offers its rapid interchangeability of tools, optimized use according to the needs and work to be done. Furthermore, each tool is mounted on a tool support head which is standard to all embodiments and is adapted to the end of the modular element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Laminated Bodies (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

The sander has a lower unit (10) with a gripping arm part (10a), a motor unit (11) and a receiving part (10b) of an evacuation pipe (12) of abrasive and dust particles. A rapid fitting device connects the unit (10) to a modular unit (14) which receives an interchangeable head (15) supporting a tool. The device allows continuity in transmission of power from the unit (11) to the tool to ensure rotation and functioning of the tool.

Description

L'invention se rattache au secteur technique des équipements de ponçage utilisés dans le bâtiment et la construction.The invention relates to the technical sector of sanding equipment used in construction and construction.

Actuellement, les ponceuses girafes connue sur le marché dont un exemple est illustré figure 1 comprennent un bras de préhension (1) et de portage par l'utilisateur sur lequel s'adapte la partie moteur (2), la poignée de préhension (3) et la partie tête active (4). Cette dernière a une forme en col courbée et reçoit à son extrémité la meule de ponçage (5). Ce type de ponceuse est donc dénommé dans les milieux professionnels concernés par l'expression imagée ponceuse girafe de part la forme particulière de la tête réceptrice de la meule. Cela permet de travailler des plafonds, la partie haute des murs et ce jusqu'à une hauteur de l'ordre de 3 mètres, en fonction des équipements. Les ponceuses girafes ainsi équipées sont aussi équipées d'un conduit d'aspiration (6) des poussières et autres résidus résultant du poncage.At present, giraffe sanders known on the market, an example of which is illustrated in FIG. 1 comprise a gripping arm (1) and carrying by the user on which the motor part (2), the gripping handle (3) fits. and the active head portion (4). The latter has a curved neck shape and receives at its end the grinding wheel (5). This type of sander is therefore referred to in the professional circles concerned with the expression pictured sander giraffe because of the particular shape of the grinding head of the grinding wheel. This allows to work ceilings, the upper part of the walls and up to a height of about 3 meters, depending on equipment. The giraffe sanders thus equipped are also equipped with a suction pipe (6) for dust and other residues resulting from sanding.

Selon l'art antérieur, et à la connaissance du demandeur les ponceuses girafes sont ainsi équipées d'un outil du type meule qui est intégré et fixé en extrémité de la tête. L'appareil est donc unique et non modifiable.According to the prior art, and to the knowledge of the applicant giraffe sanders are thus equipped with a grinding-type tool that is integrated and fixed at the end of the head. The device is unique and not modifiable.

Un exemple de réalisation d'une telle ponceuse est publié dans le brevet US-B1-6 500 057 et correspond au préambule de la revendication 1.An exemplary embodiment of such a sander is published in US-B1-6 500 057 and corresponds to the preamble of claim 1.

Si cette conception apparaît satisfaisante pour l'ensemble des travaux à effectuer, il n'en demeure pas moins que dans certains cas, les outils actifs sous forme de meule ne sont pas toujours adaptés aux travaux appropriés.Although this design appears satisfactory for all the work to be done, the fact remains that in some cases, the active tools in the form of a grinding wheel are not always suitable for the appropriate work.

La démarche du demandeur a donc été de réfléchir à une nouvelle conception de ponceuse girafe susceptible d'offrir l'adaptation en fonction des besoins et travaux d'une variété d'outils.The applicant's approach was therefore to consider a new giraffe sander design that could offer adaptation to the needs and work of a variety of tools.

La démarche initiale évidente était à partir du corps de ponceuse girafe connue de prévoir en extrémité de la tête support de l'outil une possibilité de changer la meule utilisée en remplacement d'une autre de forme et/ou de diamètre différent. Cela nécessite cependant l'utilisation d'un outillage du type à clés pour agir sur les organes de liaison du type écrou axe. En pratique, la manipulation n'est pas très pratique à exécuter, il faut basculer la ponceuse et l'orienter pour faire le changement d'outils.The obvious initial step was from the giraffe sander body known to provide in end of the tool support head a possibility of changing the wheel used to replace another of different shape and / or diameter. However, this requires the use of a tool type of keys to act on the connecting members of the nut shaft type. In practice, the manipulation is not very practical to execute, it is necessary to switch the sander and orient it to make the change of tools.

Le demandeur face à ces contraintes a donc recherché une autre solution qui soit facile à mettre en oeuvre en manipulation par des personnes non expertes, et qui offre une large capacité de choix d'outils, tout en conservant une qualité de fonctionnement et de transmission de puissance satisfaisante.The applicant faced with these constraints has therefore sought another solution which is easy to implement in manipulation by non-experts, and which offers a wide capacity of choice of tools, while maintaining a quality of operation and transmission of satisfactory power.

La solution trouvée par le demandeur réside dans une conception modifiée des ponceuses girafes actuelles ayant entraîné une reconsidération complète de leur conception, conformément à la revendication 1.The solution found by the applicant resides in a modified design of current giraffe sanders which has led to a complete reconsideration of their design, according to claim 1.

Selon une première caractéristique, la ponceuse girafe comprend un élément de base qui comprend en avant une partie bras de préhension, un moyen moteur et une partie réceptrice du conduit flexible d'évacuation des particules, et en ce que l'élément de base est raccordé et accouplé par un dispositif d'emmanchement rapide à un élément modulaire récepteur d'une tête d'outil, et en ce que dispositif d'emmanchement rapide est agencé pour autoriser une continuité dans la transmission mécanique de puissance du groupe moteur à l'outil pour assurer sa rotation et fonctionnement, et en ce que a tête d'outil est interchangeable et permet l'utilisation d'une pluralité d'outils disposés et fixés à partir d'une configuration de la tête d'outil standard s'ajustant sur l'élément modulaire.According to a first feature, the giraffe sander comprises a base member which comprises in front a gripping arm portion, a motor means and a receiving portion of the flexible particle evacuation duct, and in that the base member is connected and coupled by a quick-fit device to a modular element receiving a tool head, and in that a quick-fit device is arranged to allow continuity in the mechanical power transmission from the power unit to the tool to ensure its rotation and operation, and that the tool head is interchangeable and allows the use of a plurality of tools arranged and fixed from a configuration of the standard tool head fitting on the modular element.

Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These and other characteristics will be apparent from the rest of the description.

Pour fixer l'objet de l'invention illustré d'une manière non limitative aux figures des dessins :

  • la figure 1 est une vue d'une ponceuse girafe en perspective selon l'art antérieur.
  • la figure 2 est une vue d'une ponceuse girafe selon l'invention
  • la figure 3 est une vue en coupe illustrant le dispositif d'emmanchement permettant l'interchangeabilité des têtes avec outils différents, et ce avant montage.
  • la figure 4, 5, 6 et 7 sont des vues de quatre têtes d'outils différentes
  • la figure 8 est une vue partielle illustrant la fixation et blocage de la tête d'outils par rapport à l'extrémité d'élément modulaire.
  • La figure 9 est vue selon la figure 8 avec basculement du moyen de blocage.
For fixing the object of the invention illustrated in a non-limiting manner to the figures of the drawings:
  • Figure 1 is a view of a giraffe sander perspective according to the prior art.
  • FIG. 2 is a view of a giraffe sander according to the invention
  • Figure 3 is a sectional view illustrating the fitting device allowing the interchangeability of heads with different tools, and before assembly.
  • Figure 4, 5, 6 and 7 are views of four different tool heads
  • Figure 8 is a partial view illustrating the attachment and locking of the tool head relative to the modular element end.
  • Figure 9 is seen according to Figure 8 with tilting of the locking means.

Afin de rendre plus concret l'objet de l'invention, on le décrit d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is described in a nonlimiting manner illustrated in the figures of the drawings.

La ponceuse girafe selon l'invention, représentée figure 2, est référencée dans son ensemble par (P). Elle comprend un élément de base (10) qui comprend en avant une partie bras (10a) de préhension, le moyen moteur (11), puis la partie réceptrice (10b) du conduit flexible d'évacuation (12) de particules d'abrasion, poussières et similaires.The giraffe sander according to the invention, represented in FIG. 2, is referenced as a whole by (P). It comprises a base member (10) which comprises in front a gripping arm portion (10a), the driving means (11), and then the receiving portion (10b) of the flexible exhaust duct (12) of abrasion particles. , dust and the like.

Selon l'invention, l'élément de base (10) est susceptible d'être raccordé et accouplé par un dispositif d'emmanchement rapide (13) à un élément modulaire (14) récepteur d'une tête d'outils spécifique(15). Le dispositif d'emmanchement rapide (13) étant tel qu'il assure d'une part la liaison et verrouillage en position de l'élément de base (10) avec l'élément modulaire (14) mais aussi et d'autre part permette une continuité dans la transmission mécanique de puissance du groupe moteur à l'outil pour assurer sa rotation et fonctionnement.According to the invention, the base member (10) can be connected and coupled by a quick-fit device (13) to a modular element (14) receiving a specific tool head (15). . The quick coupling device (13) is such that it ensures on the one hand the connection and locking in position of the base element (10) with the modular element (14) but also and on the other hand allows a continuity in the mechanical power transmission of the power unit to the tool to ensure its rotation and operation.

Dans cette nouvelle conception de ponceuse girafe, la poignée de préhension (32) se trouve fixée sur l'élément modulaire de toute manière appropriée et par ailleurs elle constitue également le moyen de prise et de préhension de l'élément modulaire pris indépendamment.In this new giraffe sander design, the handle (32) is attached to the modular element in any suitable manner and furthermore it is also the means for gripping and gripping the modular element taken independently.

En se référant à la figure 3, montrant le dispositif d'emmanchement rapide, il apparaît que l'élément de base (10) est agencé à son extrémité avec une partie cylindrique épaulée (10a) de plus petite section susceptible de recevoir une bague (16) à coulissement axial à l'encontre d'un ressort de rappel (17) monté sur ladite partie épaulée (10a). Une première extrémité (17a) du ressort vient en butée contre le chant de raccordement (10b) entre la partie épaulée et le corps extérieur de l'élément de base, et l'autre extrémité (17b) du ressort vient en appui sur une collerette intérieure (16a) formée sur la bague. Un circlip (18) assure le verrouillage en position de la bague (16). La partie épaulée est agencée avec des ouvertures radiales (10d) réceptionnant des billes (19). La bague (16) présente un profil en rampe (16b) formée à l'avant et intérieurement de celle-ci de sorte à former un chemin de roulement de la bague en situation de verrouillage et de déverrouillage du dispositif d'emmanchement.Referring to FIG. 3, showing the quick fit device, it appears that the base member (10) is arranged at its end with a shouldered cylindrical portion (10a) of smaller section capable of receiving a ring ( 16) axially sliding against a return spring (17) mounted on said shoulder portion (10a). A first end (17a) of the spring abuts against the connecting edge (10b) between the shoulder portion and the outer body of the base member, and the other end (17b) of the spring bears on a flange. interior (16a) formed on the ring. A circlip (18) locks the ring (16) in position. The shoulder portion is arranged with radial openings (10d) receiving balls (19). The ring (16) has a ramp profile (16b) formed in front and inwardly of the latter so as to form a raceway of the ring in the locking and unlocking position of the fitting device.

Par ailleurs, le corps intérieur de l'élément de base (10) est agencé en retrait de la zone de positionnement de ladite bague avec des formes en saillies annulaire (10e) recevant des moyens de roulement (20) de l'arbre de transmission rigide (21) solidarisé au groupe moteur. Lesdites formes en saillie annulaire ont elles-mêmes des ouvertures de passage à l'aspiration des poussières et détritus. L'arbre de transmission (21) rigide est agencé en bout avec une forme cylindrique puis en différents points intérieurement susceptibles de constituer un moyen d'accouplement. Parallèlement, l'élément modulaire (14) est agencé avec des formes complémentaires susceptibles de permettre un emmanchement sur le corps de l'élément de base (10) et d'assurer d'autre part une liaison avec la partie de l'arbre de transmission (22) disposée dans ledit élément modulaire et se raccordant à l'outil pour assurer son entraînement. Ainsi l'élément modulaire comprend à une extrémité (14a) un prolongement épaulé par rapport au corps (14b) cylindrique dudit élément et pénétrant dans l'élément de base. Sur ledit prolongement (14a) sont formées des empreintes (14c) en forme de Vé par exemple pouvant constituer le siège des billes (19) précitées. L'extrémité dudit prolongement reçoit intérieurement des saillies (14d) formant anneau et autorisant d'une part le positionnement des organes (23) formant palier de l'arbre de transmission souple (22) précitée et d'autre part le passage et aspiration des particules abrasives, poussières et autres. Le moyen de transmission souple (22) présente une extrémité débordante formant un appendice (22a) par rapport à l'extrémité de l'élément modulaire, et étant susceptible de s'engager et coopérer par entraînement avec la partie complémentaire formée en bout d'extrémité du moyen de transmission rigide. Par exemple la configuration de l'appendice est conçu pour assurer l'emmanchement manuel de l'ensemble. L'autre extrémité du moyen de transmission souple est accouplée et solidarisée de toute manière appropriée à la partie active de l'outil pour assurer la rotation de celle-ci.Furthermore, the inner body of the base member (10) is arranged set back from the positioning zone of said ring with annular protruding shapes (10e) receiving rolling means (20) of the transmission shaft. rigid (21) secured to the power unit. Said ring-shaped shapes themselves have openings for the passage of dust and debris. The rigid transmission shaft (21) is end-arranged with a cylindrical shape and then at different points internally likely to constitute a coupling means. Meanwhile, the modular element (14) is arranged with complementary shapes capable of allowing a fitting on the body of the base element (10) and also to ensure a connection with the part of the transmission shaft (22) arranged in said modular element and connecting to the tool to ensure his training. Thus the modular element comprises at one end (14a) an extension shouldered relative to the body (14b) of said cylindrical element and penetrating into the base member. On said extension (14a) are formed impressions (14c) V-shaped for example may be the seat of the balls (19) above. The end of said extension internally receives projections (14d) forming a ring and allowing on the one hand the positioning of the bearing members (23) of the aforementioned flexible transmission shaft (22) and on the other hand the passage and suction of abrasive particles, dust and others. The flexible transmission means (22) has an overhanging end forming an appendage (22a) with respect to the end of the modular element, and being able to engage and cooperate by driving with the complementary end-formed part. end of the rigid transmission means. For example, the configuration of the appendix is designed to ensure the manual fitting of the assembly. The other end of the flexible transmission means is coupled and secured in any appropriate manner to the active part of the tool to rotate it.

Par ailleurs, l'élément modulaire est agencé avec une dérivation d'un conduit d'aspiration (24) qui prend naissance et est fixé sur ledit élément modulaire et débouche dans la zone de l'outil de meulage et/ou de poncage pour prélever les poussières et autres. L'extrémité avant de l'élément modulaire est lui fixé à la tête de la partie active support de l'outil par tout moyen approprié.Furthermore, the modular element is arranged with a branch of a suction duct (24) which originates and is fixed on said modular element and opens into the area of the grinding and / or sanding tool for sampling dust and others. The front end of the modular element is fixed to the head of the active support part of the tool by any appropriate means.

La tête support (15) de l'outil est ainsi susceptible de recevoir à montage rapide sur un axe, à la manière d'une rotule, l'extrémité avant de l'élément modulaire avec un moyen de verrouillage en position. La tête support d'outil est commune à tous les outils dans une configuration de meule vibrante, de tambour, de meule rotative orbitale et autres. Le verrouillage en position s'effectue à l'aide d'une poignée (26) disposée en bout d'un levier (27) de liaison orientable et basculant. Ainsi en se référant aux figures 8 et 9, l'extrémité de l'élément modulaire est montée sur un axe (28) disposé entre une forme en chape (29) de la tête active tandis que des moyens intercalaires (30) déformables sont montés sur ledit axe dans les deux espaces formés de part et d'autre, entre les ailes de ladite chape (29) et l'extrémité de l'élément modulaire.The support head (15) of the tool is thus able to receive a quick mounting on an axis, in the manner of a ball joint, the front end of the modular element with a locking means in position. The tool support head is common to all tools in a vibrating wheel, drum, orbital rotary wheel and other configuration. Locking in position is effected by means of a handle (26) disposed at the end of a lever (27) for pivoting and tilting connection. Thus, with reference to FIGS. 8 and 9, the end of the modular element is mounted on an axis (28) disposed between a clevis shape (29) of the active head while deformable intermediate means (30) are mounted. on said axis in the two spaces formed on either side, between the wings of said yoke (29) and the end of the modular element.

Par ailleurs, le levier (27) est rendu solidaire à son extrémité inférieure à l'axe (28) au moyen d'un clavetage (31) ou similaire, et ladite extrémité est profilée pour former une came. Ainsi en position libre de non-verrouillage, le levier est abaissé (figure 9) et l'effet came ne joue pas. Il n'y a pas dans cette situation de compression des moyens intercalaires (30) et donc pas de serrage.Furthermore, the lever (27) is secured at its lower end to the axis (28) by means of a keying (31) or the like, and said end is profiled to form a cam. Thus in the free position of non-locking, the lever is lowered (Figure 9) and the cam effect does not play. In this compression situation there is no intermediate means (30) and therefore no clamping.

En position blocage, figure 9, le levier est relevé et par l'effet came cela provoque le rapprochement des ailes de la partie chape de la tête active support d'outils et serrage desdits moyens (30) contre l'extrémité inférieure de l'élément modulaire.In the locked position, FIG. 9, the lever is raised and by the cam effect it causes the wings of the screed portion of the active tool support head to move closer together and to clamp said means (30) against the lower end of the modular element.

Cette mise en oeuvre particulière permet le blocage en position et orientation de la tête active par rapport auxdites zones à travailler.This particular implementation allows blocking in position and orientation of the active head relative to said areas to work.

Sans sortir du cadre de l'invention, d'autres moyens de blocage peuvent être utilisés, assurant la même fonction.Without departing from the scope of the invention, other locking means can be used, ensuring the same function.

Ainsi, selon l'invention, la ponceuse girafe offre par ses capacités rapides d'interchangeabilité d'outils, une utilisation optimisée en fonction des besoins et travaux à effectuer. Par ailleurs, chaque outil est monté sur une tête support d'outils qui est standard à toutes les réalisations et vient s'adapter en extrémité de l'élément modulaire.Thus, according to the invention, the giraffe sander offers its rapid interchangeability of tools, optimized use according to the needs and work to be done. Furthermore, each tool is mounted on a tool support head which is standard to all embodiments and is adapted to the end of the modular element.

Il est donc aisé d'avoir un ensemble incluant l'élément de base, l'élément modulaire et plusieurs têtes supports d'outils différents.It is therefore easy to have an assembly including the base element, the modular element and several different tool support heads.

Claims (8)

  1. - A giraffe sander of the type comprising a gripper and carrying arm, a motor means, a handle and an active head part that receives a grinding or sanding tool, a suction duct, a base unit (10) that forwardly comprises a gripper arm (10a), a motor means and a part (10b) accommodating the hose for removing particles and dust, characterised
    in that base unit (10) is connected and coupled by a quick-fit device (13) to a modular element (14) that receives a tool head (15),
    and in that the quick-fit device is designed to enable continuous mechanical power transmission from the motor drive to the tool in order to ensure its rotation and operation,
    and in that said tool head (15) is interchangeable and allows the use of a plurality of tools fitted and attached on the basis of a standard tool head configuration that fits onto the modular element.
  2. - A giraffe type sander as claimed in claim 1, characterised in that the end of base unit (10) is designed with a shouldered cylindrical part (10a) of reduced cross-section making it possible to fit a quick-fit device, end (14a) of modular element (14) fitting into said shouldered cylindrical part and cooperating with the quick-fit device,
    and in that said end parts (10a) (14a) are designed to ensure centring and retention of rigid transmission shaft (21) and flexible transmission shaft (22) and are internally designed to allow the flow and suction of abraded particles, dust, etc.
  3. - A giraffe sander as claimed in claim 2, characterised in that the quick-fit device includes a bush (16) that slides axially in opposition to a return spring (17) mounted on shouldered part (10a) of the base unit, the first end (17a) of the spring pressing against connection edge (10b) between the shouldered part and the outer body of the base unit and the other end (17b) of the spring pressing against an internal flange ring (10a) formed on bush (1),
    and in that the shouldered part has radial openings (10d) that accommodate ball bearings (19),
    and in that bush (16) has a cross-section (16b) forming a ramp for the ball bearings,
    and in that extension (14a) of the modular element has indentations (14c) constituting the seat of the ball bearings,
    and in that circlip (18) ensures locking and limits the position of the bush.
  4. - A giraffe sander as claimed in claim 2, characterised in that base unit (10) and modular element (14) are designed, close to their end, with annular protruding shapes (10e-14d) accommodating bearing means of rigid transmission shaft (21) and flexible transmission shaft (22),
    and in that said shafts (21-22) are linked to each other,
    and in that said protruding shapes allow flow and suction of particles, dust, etc.
  5. - A giraffe sander as claimed in claim 4, characterised in that flexible transmission means (22) has an open end forming a tip (22a) that fits in and cooperates, by driving, with the matching shaped part at the end of the rigid transmission means.
  6. - A giraffe sander as claimed in claim 1, characterised in that support head (15) for the tool receives, on a shaft, the quick-fit forward end of the modular element with a means of locking in position.
  7. - A giraffe sander as claimed in claim 6, characterised in that means of locking in position comprises a knob (26) located at the end of a connecting lever (27) that can be oriented and swivelled,
    and in that the modular element is fitted by its end on shaft (28) located between a clevis-shaped mounting (29) on the head, deformable separating means (30) being fitted on said shaft in the spaces left between the sides of said clevis (29) and the end of the modular element,
    and in that the end of lever (27) is designed with a cam shape (27a) that ensures or does not ensure locking in position.
  8. - A giraffe sander as claimed in any of claims 1, 2, 6 and 7, characterised in that tool support head (15) has an appropriate profile for all the tools.
EP05300629A 2004-08-10 2005-07-29 Pole sander with interchangeable polishing head Active EP1632311B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0451832A FR2874191B1 (en) 2004-08-10 2004-08-10 GIRAFFE SANDER WITH INTERCHANGEABLE HEAD

Publications (2)

Publication Number Publication Date
EP1632311A1 EP1632311A1 (en) 2006-03-08
EP1632311B1 true EP1632311B1 (en) 2007-04-11

Family

ID=34948385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05300629A Active EP1632311B1 (en) 2004-08-10 2005-07-29 Pole sander with interchangeable polishing head

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EP (1) EP1632311B1 (en)
AT (1) ATE359152T1 (en)
DE (1) DE602005000864T2 (en)
ES (1) ES2285662T3 (en)
FR (1) FR2874191B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897551A1 (en) * 2006-02-20 2007-08-24 M B H Dev Sarl Pole sander for e.g. buffing high ceiling, has arm with motor block integrated in case, and lighting unit arranged on base part of body of case to focus light beam in zone located behind head during starting and operation of sander
WO2008033377A2 (en) 2006-09-12 2008-03-20 Black & Decker Inc. Sanding tool with pivotally coupled head assembly
DE102007012394A1 (en) * 2007-03-15 2008-09-18 Festool Gmbh Handle of a hand-held machine tool
FR2928571B1 (en) 2008-03-12 2010-03-19 Mbh Dev ROLLING STRUCTURE SUPPORT OF AT LEAST ONE SANDING TOOL AND SIMILAR FOR WORK ON WALLS AND CEILINGS
CN102773778B (en) * 2011-12-20 2015-08-26 赵建康 The wall surface grinding machine of adjustable-angle
FR2994540B1 (en) * 2012-08-17 2015-02-13 Cefasc Environnement TOOL HOLDER DEVICE FOR HANDLING A SURFACE TREATMENT TOOL
FR3043002A1 (en) 2015-10-28 2017-05-05 Mbh Dev ASPIRATOR FOR EMPTYING MATERIAL FROM A PORTABLE TOOL, AND AUTONOMOUS SYSTEM COMPRISING A VACUUM AND A PORTABLE TOOL

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6500057B1 (en) * 2000-08-09 2002-12-31 Vinicio Medina Drywall abrasive sanding disk, sanding pad, and method

Also Published As

Publication number Publication date
FR2874191A1 (en) 2006-02-17
DE602005000864T2 (en) 2008-01-17
FR2874191B1 (en) 2006-10-13
DE602005000864D1 (en) 2007-05-24
EP1632311A1 (en) 2006-03-08
ATE359152T1 (en) 2007-05-15
ES2285662T3 (en) 2007-11-16

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