EP1598150A1 - Hammer type hand tool - Google Patents

Hammer type hand tool Download PDF

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Publication number
EP1598150A1
EP1598150A1 EP05291033A EP05291033A EP1598150A1 EP 1598150 A1 EP1598150 A1 EP 1598150A1 EP 05291033 A EP05291033 A EP 05291033A EP 05291033 A EP05291033 A EP 05291033A EP 1598150 A1 EP1598150 A1 EP 1598150A1
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EP
European Patent Office
Prior art keywords
handle
tool according
hand tool
tool
weight
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Granted
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EP05291033A
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German (de)
French (fr)
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EP1598150B1 (en
Inventor
Sébastien Goubaud
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G Participations SARL
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G Participations SARL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F1/00—Combination or multi-purpose hand tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/01—Shock-absorbing means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D15/00—Apparatus or tools for roof working
    • E04D15/02—Apparatus or tools for roof working for roof coverings comprising tiles, shingles, or like roofing elements

Definitions

  • the present invention relates to a hammer-type hand tool, in particular for a roofer, consisting essentially of a head and a handle, sleeve having on at least a part of its length an edge cutting edge forming cutting blade.
  • roofing hammers are well known to those skilled in this art. They have the particularity of allowing, by means of the same tool, the exercise two functions, namely a percussion function by means of the head of the hammer and a cutting function of the cover elements by means of the part of the handle of the hammer extending in the vicinity of the head.
  • the function of percussion requires a center of inertia close to the hammer head. Indeed, the closer the center of inertia is to this head, the easier it will be to hit.
  • the cutting function requires a center of inertia remote from the head of the hammer. Thus, the more the center of inertia will be close to the point of rotation of the tool when cutting, it will be easy to make a quick rotation of the hammer around this point.
  • US-A-3,385,335 describes the possibility of varying the position of the head of the tool using a thread connecting the head of the tool to the handle.
  • An object of the present invention is therefore to propose a hand tool of the type hammer whose design allows to adapt the latter to the morphology of the user and the functions to be fulfilled by the tool, in particular cutting functions, requiring a rotational movement of the wrist of the user.
  • Another object of the present invention is to propose a hand tool of the type hammer whose design allows, by action on the handle of the tool, to facilitate rotational movements of the wrist of the user.
  • the subject of the invention is a hammer-type hand tool, in particular for a roofer, consisting essentially of a head and a handle, sleeve having, on at least part of its length, an edge cutting blade forming blade, characterized in that at least the handle is provided with means for immobilizing at least one feeder in at least a predetermined position so as to vary at will the center of gravity and / or the weight of the tool depending on the morphology of each user.
  • the possibility to vary at will the weight and / or the center of gravity of the tool according to the morphology of the user allows each user to have a tool perfectly suited to the work to be done by the user. Indeed, as the cutting operations of the elements of roofing, especially slates, require rotational movement of the wrist of the user, more this rotation movement will have to be fast, the more the center of gravity will be chosen close to the hand of the user. This possibility of adjusting the position of the center of gravity allows to adapt the tool the morphology of the user and the thickness of the slates to cut. So, the center of gravity will be chosen farther from the hand for slates thicker.
  • the hammer hand tool, object of the invention consists essentially of a head 1 and a handle 2.
  • the sleeve 2 has, for part of its length, a sharp edge forming a cutting blade 6 to allow a cutting function to be exercised cover elements as is the case for the hammers of roofer.
  • the head 1, which corresponds to the part of the tool extending transversely to the handle, has at one end for example a tip to allow to make holes in the slate. It can include also in its part extending the handle at least one notch which makes it possible to twist or pull a nail.
  • At least the handle 2 of the tool is provided with means for immobilizing at least one feeder 3 in at least a predetermined position so as to vary at will the center of gravity and / or the weight of the tool depending on the morphology of each user.
  • immobilization means are therefore means of immobilization temporary weight.
  • the immobilization means can be also of permanent type once the user has decided on the position and / or the type of flyweight to associate with the tool. It is also possible to vary the weight of the weight.
  • the handle 2 is provided with immobilization means of at least a weight in at least two predetermined positions offset axially along the shaft 2.
  • the axial offset of the positions can be associated or not with an alignment of said positions along the handle 2.
  • the handle 2 is provided with a plurality of 4 individual feeder receiving locations 3, each feeder 3 being, in the state positioned at a location 4, held in position by frictional contact and / or by appropriate means of restraint, such as gluing, screwing or the like.
  • head 1 could have been provided with one or more individual location (s). The number individual locations can be reduced to one, especially when has interchangeable weights.
  • each individual location 4 affects the form of a cavity of complementary shape to the shape of the weight for allow the housing of the weight inside said cavity.
  • These cavities are thus arranged aligned along the handle 2. The user can thus choose the number of weights and their position in the locations individual. It can thus vary at will the weight and the center of gravity of the tool.
  • the handle 2 and possibly the head 1 are provided with a plurality of locations 5 of receiving weight 3 communicating with each other so as to allow the passage of the same weight 3 from one location 5 to another.
  • the plurality of locations 5, preferably positioned along the handle 2 is for example delimited by means of an oblong light formed in the sleeve 2 and inside which at least one flyweight 3 is movable axially and immobilizable in any position.
  • the means of immobilization of the weight inside the light can to be diverse and varied. These means can be constituted by a screwing, a clipping, snapping or other.
  • the plurality of locations 5 may be delimited by means of a guide path, such as a rail or an axis, along which at least one flyweight slides and is immobilisable in any position.
  • This guide path develops preferably substantially parallel to the handle 2.
  • the hand tool comprises again, systematically, at the free end of the handle 2, a 3 additional weight.
  • the head 1 of the tool can also be provided with means for immobilizing at least one counterweight in at least a predetermined position so as to vary at will the weight of the tool depending on the morphology of each user.
  • the use of such a hand tool is extremely simple.
  • the user chooses the center of gravity and the weight he wishes to give to the tool.
  • it positions, temporarily or permanently, one or several weights on the handle 2 of the tool, in the case of FIG. 2, where axially displaces the flyweight 3 inside the light axially formed in the handle 2 of the tool in Figure 1. Once the position determined, it is sufficient to immobilize the weight 3 in its position.
  • the hand tool can then be used in a conventional manner.
  • the center of gravity can be chosen close to the hand, that is to say close to the free end of the handle, when the user wish to perform a rapid rotational movement of the wrist and has Thin cover elements.
  • the increase in thickness cover elements or a more robust morphology of the user can lead the latter to choose a center of gravity farther from the hand.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Domestic Plumbing Installations (AREA)
  • Steering Controls (AREA)

Abstract

The tool has a head (1), and a handle (2) presenting a cutting edge on a part of its length, where the cutting edge forms a cutting blade. The handle is equipped with a fixing unit for fixing a feed head (3) in a predetermined position so as to vary the centre of gravity and/or the weight of the tool according to morphology of each user. The handle is provided with a group of slots (4) for receiving the feed head.

Description

La présente invention concerne un outil à main de type marteau, notamment pour couvreur, constitué essentiellement d'une tête et d'un manche, ledit manche présentant sur au moins une partie de sa longueur une arête tranchante formant lame de coupe.The present invention relates to a hammer-type hand tool, in particular for a roofer, consisting essentially of a head and a handle, sleeve having on at least a part of its length an edge cutting edge forming cutting blade.

Les marteaux pour couvreur sont bien connus à ceux versés dans cet art. Ils présentent la particularité de permettre, au moyen d'un même outil, l'exercice de deux fonctions, à savoir une fonction de percussion au moyen de la tête du marteau et une fonction de coupe des éléments de couverture au moyen de la partie du manche du marteau s'étendant au voisinage de la tête. La fonction de percussion nécessite un centre d'inertie proche de la tête du marteau. En effet, plus le centre d'inertie sera proche de cette tête, plus la frappe sera aisée. A l'inverse, la fonction de coupe nécessite un centre d'inertie éloigné de la tête du marteau. Ainsi, plus le centre d'inertie sera proche du point de rotation de l'outil lors de la coupe, plus il sera facile d'effectuer une rotation rapide du marteau autour de ce point.Roofing hammers are well known to those skilled in this art. They have the particularity of allowing, by means of the same tool, the exercise two functions, namely a percussion function by means of the head of the hammer and a cutting function of the cover elements by means of the part of the handle of the hammer extending in the vicinity of the head. The function of percussion requires a center of inertia close to the hammer head. Indeed, the closer the center of inertia is to this head, the easier it will be to hit. AT conversely, the cutting function requires a center of inertia remote from the head of the hammer. Thus, the more the center of inertia will be close to the point of rotation of the tool when cutting, it will be easy to make a quick rotation of the hammer around this point.

Des outils à main dont la conception permet de faire varier le poids de l'outil par modification de la tête de l'outil sont connus. Ainsi, le brevet US-A-2.741.456 décrit, en particulier colonne 2 - lignes 16 à 20, la possibilité de loger, à l'intérieur d'alésages représentés en 21 et 22 aux figures, des poids pour faire varier à volonté le poids de la tête de l'outil.Hand tools whose design allows to vary the weight of the tool by modification of the head of the tool are known. Thus, US-A-2,741,456 described, in particular column 2 - lines 16 to 20, the possibility of housing, inside bores shown in 21 and 22 in the figures, weights to make vary at will the weight of the head of the tool.

De la même manière, le brevet US-A-5.216.939 décrit la possibilité de disposer, au niveau de la tête de l'outil, d'une extrémité amovible permettant de loger, à l'intérieur de la tête, des poids de différentes valeurs.In the same way, US Pat. No. 5,216,939 describes the possibility of disposing, at the head of the tool, a removable end for housing, to inside the head, weights of different values.

Le brevet US-A-2003/037641 décrit la possibilité d'incorporer des poids, représentés en 18A et 18B à la figure 5, au niveau de la tête de l'outil. US-A-2003/037641 discloses the possibility of incorporating weights, 18A and 18B in Figure 5, at the head of the tool.

Enfin, le brevet US-A-3.385.335 décrit la possibilité de faire varier la position de la tête de l'outil à l'aide d'un filetage reliant la tête de l'outil au manche.Finally, US-A-3,385,335 describes the possibility of varying the position of the head of the tool using a thread connecting the head of the tool to the handle.

Ces solutions, qui consistent à faire varier le poids de la tête de l'outil, ne répondent pas à la problématique posée par les marteaux destinés aux couvreurs. En effet, pour qu'un outil soit parfaitement adapté à la main d'un couvreur, il est nécessaire que cet outil permette au couvreur d'effectuer au mieux un mouvement de rotation du poignet lors des opérations de coupe des éléments de couverture. Pour faciliter cette rotation, il est donc nécessaire de pouvoir faire varier le centre de gravité de l'outil en le positionnant plus ou moins près de l'extrémité libre du manche, c'est-à-dire celle correspondant à l'emplacement du manche recouvert généralement par la main.These solutions, which consist in varying the weight of the head of the tool, do not do not respond to the problem posed by hammers intended for roofers. Indeed, for a tool to be perfectly adapted to the hand of a roofer, it is necessary for this tool to enable the roofer to carry out rotational movement of the wrist during cutting operations. cover elements. To facilitate this rotation, it is therefore necessary to ability to vary the center of gravity of the tool by positioning it more or less close to the free end of the handle, that is to say the one corresponding to the location of the handle usually covered by the hand.

Le seul fait de faire varier le poids de la tête de l'outil ne permet pas de résoudre ce problème d'aide au mouvement de rotation du poignet de l'utilisateur.The mere fact of varying the weight of the head of the tool does not allow solve this problem of helping the wrist rotation movement of the user.

Aujourd'hui, les marteaux sont choisis par l'utilisateur par habitude mais rarement en fonction des contraintes et des modes d'utilisation de ce dernier.Today, the hammers are chosen by the user by habit but rarely according to the constraints and the modes of use of the latter.

Un but de la présente invention est donc de proposer un outil à main de type marteau dont la conception permet d'adapter ce dernier à la morphologie de l'utilisateur et aux fonctions devant être remplies par l'outil, en particulier aux fonctions de coupe, nécessitant un mouvement de rotation du poignet de l'utilisateur.An object of the present invention is therefore to propose a hand tool of the type hammer whose design allows to adapt the latter to the morphology of the user and the functions to be fulfilled by the tool, in particular cutting functions, requiring a rotational movement of the wrist of the user.

Un autre but de la présente invention est de proposer un outil à main de type marteau dont la conception permet, par action sur le manche de l'outil, de faciliter les mouvements de rotation du poignet de l'utilisateur.Another object of the present invention is to propose a hand tool of the type hammer whose design allows, by action on the handle of the tool, to facilitate rotational movements of the wrist of the user.

A cet effet, l'invention a pour objet un outil à main de type marteau, notamment pour couvreur, constitué essentiellement d'une tête et d'un manche, ledit manche présentant, sur au moins une partie de sa longueur, une arête tranchante formant lame de coupe, caractérisé en ce qu'au moins le manche est pourvu de moyens d'immobilisation d'au moins une masselotte en au moins une position prédéterminée de manière à faire varier à volonté le centre de gravité et/ou le poids de l'outil en fonction de la morphologie de chaque utilisateur.For this purpose, the subject of the invention is a hammer-type hand tool, in particular for a roofer, consisting essentially of a head and a handle, sleeve having, on at least part of its length, an edge cutting blade forming blade, characterized in that at least the handle is provided with means for immobilizing at least one feeder in at least a predetermined position so as to vary at will the center of gravity and / or the weight of the tool depending on the morphology of each user.

La possibilité de faire varier à volonté le poids et/ou le centre de gravité de l'outil en fonction de la morphologie de l'utilisateur permet à chaque utilisateur de disposer d'un outil parfaitement adapté au travail devant être effectué par l'utilisateur. En effet, comme les opérations de coupe des éléments de couverture, en particulier des ardoises, nécessitent un mouvement de rotation du poignet de l'utilisateur, plus ce mouvement de rotation devra être rapide, plus le centre de gravité sera choisi proche de la main de l'utilisateur. Cette possibilité de réglage de la position du centre de gravité permet d'adapter l'outil à la morphologie de l'utilisateur et à l'épaisseur des ardoises à couper. Ainsi, le centre de gravité sera choisi plus éloigné de la main pour des ardoises d'épaisseur plus importante.The possibility to vary at will the weight and / or the center of gravity of the tool according to the morphology of the user allows each user to have a tool perfectly suited to the work to be done by the user. Indeed, as the cutting operations of the elements of roofing, especially slates, require rotational movement of the wrist of the user, more this rotation movement will have to be fast, the more the center of gravity will be chosen close to the hand of the user. This possibility of adjusting the position of the center of gravity allows to adapt the tool the morphology of the user and the thickness of the slates to cut. So, the center of gravity will be chosen farther from the hand for slates thicker.

L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels :

  • la figure 1 représente une vue de face d'un outil à main de type marteau conforme à l'invention ;
  • la figure 2 représente une vue de face d'un outil à main conforme à l'invention dans un autre mode de réalisation de l'invention et
  • la figure 3 représente une vue schématique de dessus d'un marteau de couvreur positionné à plat.
    • The invention will be better understood on reading the following description of exemplary embodiments, with reference to the appended drawings in which:
  • Figure 1 shows a front view of a hammer-type hand tool according to the invention;
  • FIG. 2 represents a front view of a hand tool according to the invention in another embodiment of the invention and
  • Figure 3 shows a schematic top view of a slab hammer positioned flat.

    • Comme mentionné ci-dessus, l'outil à main de type marteau, objet de l'invention, est constitué essentiellement d'une tête 1 et d'un manche 2. Le manche 2 présente, sur une partie de sa longueur, une arête tranchante formant une lame 6 de coupe pour permettre d'exercer une fonction de coupe des éléments de couverture comme cela est le cas pour les marteaux de couvreur. La tête 1, qui correspond à la partie de l'outil s'étendant transversalement au manche, comporte à une extrémité par exemple une pointe pour permettre de ménager des trous dans l'ardoise. Elle peut comporter également dans sa partie en prolongement du manche au moins une encoche qui permet de tordre ou d'extraire par traction un clou.As mentioned above, the hammer hand tool, object of the invention consists essentially of a head 1 and a handle 2. The sleeve 2 has, for part of its length, a sharp edge forming a cutting blade 6 to allow a cutting function to be exercised cover elements as is the case for the hammers of roofer. The head 1, which corresponds to the part of the tool extending transversely to the handle, has at one end for example a tip to allow to make holes in the slate. It can include also in its part extending the handle at least one notch which makes it possible to twist or pull a nail.

    De manière caractéristique à l'invention, au moins le manche 2 de l'outil est pourvu de moyens d'immobilisation d'au moins une masselotte 3 en au moins une position prédéterminée de manière à faire varier à volonté le centre de gravité et/ou le poids de l'outil en fonction de la morphologie de chaque utilisateur. Dans le cas où l'outil ne dispose que d'une seule position de réception de la masselotte 3, il est possible de faire varier le poids de l'outil simplement en disposant cette masselotte ou en ne la disposant pas sur l'outil. Ces moyens d'immobilisation sont donc des moyens d'immobilisation temporaire de la masselotte. Les moyens d'immobilisation peuvent être également de type permanent une fois que l'utilisateur a décidé de la position et/ou du type de masselotte à associer à l'outil. Il est également possible de faire varier le poids de la masselotte.In characteristic manner to the invention, at least the handle 2 of the tool is provided with means for immobilizing at least one feeder 3 in at least a predetermined position so as to vary at will the center of gravity and / or the weight of the tool depending on the morphology of each user. In the case where the tool has only one position of receiving the weight 3, it is possible to vary the weight of the tool simply by arranging this weight or not placing it on the tool. These immobilization means are therefore means of immobilization temporary weight. The immobilization means can be also of permanent type once the user has decided on the position and / or the type of flyweight to associate with the tool. It is also possible to vary the weight of the weight.

    Il est également possible d'associer à l'outil à main un jeu de masselottes 3 de poids différent, lesdites masselottes 3 présentant une forme extérieure similaire d'une masselotte 3 à une autre pour pouvoir être interchangeables. L'une quelconque de ces masselottes peut être positionnée indifféremment sur l'outil. Ainsi, la variation de poids est obtenue par changement de la masselotte disposée sur l'outil en un emplacement déterminé.It is also possible to associate with the hand tool a set of weights 3 of different weight, said weights 3 having a similar external shape from one feeder 3 to another to be interchangeable. Moon any of these weights can be positioned indifferently on the tool. Thus, the variation of weight is obtained by change of the weight disposed on the tool in a specific location.

    De préférence, le manche 2 est pourvu de moyens d'immobilisation d'au moins une masselotte en au moins deux positions prédéterminées décalées axialement le long du manche 2. Le décalage axial des positions peut être associé ou non à un alignement desdites positions le long du manche 2. Ainsi, dans l'exemple représenté à la figure 2, le manche 2 est pourvu d'une pluralité d'emplacements 4 individuels de réception de masselotte 3, chaque masselotte 3 étant, à l'état positionné en un emplacement 4, retenue en position par contact de friction et/ou par des moyens de retenue appropriés, tels que collage, vissage ou similaire. De manière analogue, la tête 1 aurait pu être pourvue d'un ou plusieurs emplacement(s) individuel(s). Le nombre d'emplacements individuels peut être réduit à un, en particulier lorsque l'on dispose de masselottes interchangeables.Preferably, the handle 2 is provided with immobilization means of at least a weight in at least two predetermined positions offset axially along the shaft 2. The axial offset of the positions can be associated or not with an alignment of said positions along the handle 2. Thus, in the example shown in FIG. 2, the handle 2 is provided with a plurality of 4 individual feeder receiving locations 3, each feeder 3 being, in the state positioned at a location 4, held in position by frictional contact and / or by appropriate means of restraint, such as gluing, screwing or the like. Similarly, head 1 could have been provided with one or more individual location (s). The number individual locations can be reduced to one, especially when has interchangeable weights.

    Dans les exemples représentés, chaque emplacement 4 individuel affecte la forme d'une cavité de forme complémentaire à la forme de la masselotte pour permettre le logement de la masselotte à l'intérieur de ladite cavité. Ces cavités sont ainsi disposées alignées le long du manche 2. L'utilisateur peut ainsi choisir le nombre de masselottes et leur position dans les emplacements individuels. Il peut ainsi faire varier à volonté le poids et le centre de gravité de l'outil.In the examples shown, each individual location 4 affects the form of a cavity of complementary shape to the shape of the weight for allow the housing of the weight inside said cavity. These cavities are thus arranged aligned along the handle 2. The user can thus choose the number of weights and their position in the locations individual. It can thus vary at will the weight and the center of gravity of the tool.

    Dans un autre mode de réalisation représenté à la figure 1, le manche 2 et éventuellement la tête 1 sont pourvus d'une pluralité d'emplacements 5 de réception de masselotte 3 communiquant entre eux de manière à permettre le passage d'une même masselotte 3 d'un emplacement 5 à un autre. Ainsi, la pluralité d'emplacements 5, de préférence positionnée le long du manche 2, est par exemple délimitée au moyen d'une lumière oblongue ménagée dans le manche 2 et à l'intérieur de laquelle au moins une masselotte 3 est déplaçable axialement et immobilisable en une position quelconque. A nouveau, les moyens d'immobilisation de la masselotte à l'intérieur de la lumière peuvent être divers et variés. Ces moyens peuvent être constitués par un vissage, un clipsage, un encliquetage ou autre.In another embodiment shown in FIG. 1, the handle 2 and possibly the head 1 are provided with a plurality of locations 5 of receiving weight 3 communicating with each other so as to allow the passage of the same weight 3 from one location 5 to another. So, the plurality of locations 5, preferably positioned along the handle 2, is for example delimited by means of an oblong light formed in the sleeve 2 and inside which at least one flyweight 3 is movable axially and immobilizable in any position. Again, the means of immobilization of the weight inside the light can to be diverse and varied. These means can be constituted by a screwing, a clipping, snapping or other.

    Dans un autre mode de réalisation, non représenté la pluralité d'emplacements 5 peut encore être délimitée au moyen d'un chemin de guidage, tel qu'un rail ou un axe, le long duquel au moins une masselotte coulisse et est immobilisable en une position quelconque. Ce chemin de guidage se développe préférentiellement sensiblement parallèlement au manche 2. In another embodiment, not shown the plurality of locations 5 may be delimited by means of a guide path, such as a rail or an axis, along which at least one flyweight slides and is immobilisable in any position. This guide path develops preferably substantially parallel to the handle 2.

    Dans les exemples représentés aux figures 1 et 2, l'outil à main comporte encore, de manière systématique, à l'extrémité libre du manche 2, une masselotte 3 supplémentaire.In the examples shown in FIGS. 1 and 2, the hand tool comprises again, systematically, at the free end of the handle 2, a 3 additional weight.

    Comme cela a été mentionné ci-dessus, la tête 1 de l'outil peut également être pourvue de moyens d'immobilisation d'au moins une masselotte en au moins une position prédéterminée de manière à faire varier à volonté le poids de l'outil en fonction de la morphologie de chaque utilisateur.As mentioned above, the head 1 of the tool can also be provided with means for immobilizing at least one counterweight in at least a predetermined position so as to vary at will the weight of the tool depending on the morphology of each user.

    L'utilisation d'un tel outil à main est extrêmement simple. Avant utilisation, l'utilisateur choisit le centre de gravité et le poids qu'il souhaite donner à l'outil. A cet effet, il positionne, de manière temporaire ou permanente, une ou plusieurs masselottes sur le manche 2 de l'outil, dans le cas de la figure 2, ou il déplace axialement axialement la masselotte 3 à l'intérieur de la lumière ménagée dans le manche 2 de l'outil dans la figure 1. Une fois la position optimale déterminée, il suffit alors d'immobiliser la masselotte 3 dans sa position. L'outil à main peut ensuite être utilisé de manière classique.The use of such a hand tool is extremely simple. Before use, the user chooses the center of gravity and the weight he wishes to give to the tool. For this purpose, it positions, temporarily or permanently, one or several weights on the handle 2 of the tool, in the case of FIG. 2, where axially displaces the flyweight 3 inside the light axially formed in the handle 2 of the tool in Figure 1. Once the position determined, it is sufficient to immobilize the weight 3 in its position. The hand tool can then be used in a conventional manner.

    Comme mentionné ci-dessus, le centre de gravité peut être choisi proche de la main, c'est-à-dire proche de l'extrémité libre du manche, lorsque l'utilisateur souhaite effectuer un mouvement de rotation rapide du poignet et dispose d'éléments de couverture de faible épaisseur. L'augmentation de l'épaisseur des éléments de couverture ou une morphologie plus robuste de l'utilisateur peuvent amener ce dernier à choisir un centre de gravité plus éloigné de la main.As mentioned above, the center of gravity can be chosen close to the hand, that is to say close to the free end of the handle, when the user wish to perform a rapid rotational movement of the wrist and has Thin cover elements. The increase in thickness cover elements or a more robust morphology of the user can lead the latter to choose a center of gravity farther from the hand.

    Claims (9)

    Outil à main de type marteau, notamment pour couvreur, constitué essentiellement d'une tête (1) et d'un manche (2), ledit manche (2) présentant sur au moins une partie de sa longueur une arête tranchante formant lame (6) de coupe,
    caractérisé en ce qu'au moins le manche (2) est pourvu de moyens d'immobilisation d'au moins une masselotte (3) en au moins une position prédéterminée de manière à faire varier à volonté le centre de gravité et/ou le poids de l'outil en fonction de la morphologie de chaque utilisateur.    Hammer-type hand tool, especially for a roofer, consisting essentially of a head (1) and a handle (2), said handle (2) having on at least a part of its length a cutting edge forming a blade (6) ) cutting,
    characterized in that at least the handle (2) is provided with means for immobilizing at least one flyweight (3) in at least one predetermined position so as to vary at will the center of gravity and / or the weight of the tool according to the morphology of each user.         Outil à main selon la revendication 1,
    caractérisé en ce que le manche (2) est pourvu de moyens d'immobilisation d'au moins une masselotte en au moins deux positions prédéterminées décalées axialement le long du manche (2).    Hand tool according to claim 1,
    characterized in that the handle (2) is provided with means for immobilizing at least one flyweight in at least two predetermined positions axially offset along the handle (2).         Outil à main selon l'une des revendications 1 et 2,
    caractérisé en ce que le manche (2) est pourvu d'au moins un, de préférence une pluralité d'emplacements (4) individuels de réception de masselotte (3), chaque masselotte (3) étant, à l'état positionné en un emplacement (4), retenue en position par contact de friction et/ou par des moyens de retenue appropriés tels que collage, vissage ou similaire.    Hand tool according to one of claims 1 and 2,
    characterized in that the handle (2) is provided with at least one, preferably a plurality of individual feeder receiving locations (4) (3), each counterweight (3) being, in the positioned state, a location (4), held in position by frictional contact and / or by appropriate retaining means such as gluing, screwing or the like.         Outil à main selon la revendication 3,
    caractérisé en ce que chaque emplacement (4) individuel affecte la forme d'une cavité.    Hand tool according to claim 3,
    characterized in that each individual location (4) has the shape of a cavity.         Outil à main selon l'une des revendications 1 et 2,
    caractérisé en ce que le manche (2) est pourvu d'une pluralité d'emplacements (5) de réception de masselotte (3) communiquant entre eux de manière à permettre le passage d'une même masselotte (3) d'un emplacement (5) à un autre.     Hand tool according to one of claims 1 and 2,
    characterized in that the handle (2) is provided with a plurality of feeder receiving locations (5) communicating with each other so as to allow the passage of a same weight (3) from a location ( 5) to another.         Outil à main selon la revendication 5,
    caractérisé en ce que la pluralité d'emplacements (5) est délimitée au moyen d'une lumière oblongue ménagée dans le manche (2) et à l'intérieur de laquelle au moins une masselotte (3) est déplaçable axialement et immobilisable en une position quelconque.    Hand tool according to claim 5,
    characterized in that the plurality of locations (5) is delimited by means of an oblong slot in the handle (2) and within which at least one feeder (3) is axially displaceable and immobilizable in a position any.         Outil à main selon la revendication 5,
    caractérisé en ce que la pluralité d'emplacements (5) est délimitée au moyen d'un chemin de guidage, tel qu'un rail ou un axe, le long duquel au moins une masselotte coulisse et est immobilisable en une position quelconque, ce chemin de guidage se développant préférentiellement sensiblement parallèlement au manche (2).    Hand tool according to claim 5,
    characterized in that the plurality of locations (5) is delimited by means of a guide path, such as a rail or an axis, along which at least one feeder slides and is immobilizable at any position, this path guide preferably developing substantially parallel to the handle (2).         Outil à main selon la revendication 1,
    caractérisé en ce que la tête (1) est également pourvue de moyens d'immobilisation d'au moins une masselotte (3) en au moins une position prédéterminée de manière à faire varier à volonté le poids de l'outil en fonction de la morphologie de chaque utilisateur.    Hand tool according to claim 1,
    characterized in that the head (1) is also provided with means for immobilizing at least one flyweight (3) in at least one predetermined position so as to vary at will the weight of the tool according to the morphology of each user.         Outil à main selon l'une des revendications 1 à 8,
    caractérisé en ce qu'il est associé à un jeu de masselottes (3) de poids différent, lesdites masselottes (3) présentant une forme extérieure similaire d'une masselotte (3) à une autre.    Hand tool according to one of claims 1 to 8,
    characterized in that it is associated with a set of weights (3) of different weights, said weights (3) having a similar external shape from one feeder (3) to another.
    EP05291033A 2004-05-18 2005-05-13 Hammer type hand tool Active EP1598150B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0405393 2004-05-18
    FR0405393A FR2870473B1 (en) 2004-05-18 2004-05-18 HAND TOOL OF HAMMER TYPE

    Publications (2)

    Publication Number Publication Date
    EP1598150A1 true EP1598150A1 (en) 2005-11-23
    EP1598150B1 EP1598150B1 (en) 2007-05-02

    Family

    ID=34942282

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP05291033A Active EP1598150B1 (en) 2004-05-18 2005-05-13 Hammer type hand tool

    Country Status (4)

    Country Link
    EP (1) EP1598150B1 (en)
    AT (1) ATE361181T1 (en)
    DE (1) DE602005001021T2 (en)
    FR (1) FR2870473B1 (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CN108523334A (en) * 2018-04-13 2018-09-14 山东里能鲁西矿业有限公司 A kind of miner's safety handle

    Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2741456A (en) * 1954-11-26 1956-04-10 Carl M Williams Break over hammer
    US3385334A (en) * 1967-03-17 1968-05-28 Ralph F Koebbeman Soft head hammer
    US5216939A (en) * 1992-10-02 1993-06-08 Swenson William B Interchangeable tip and/or weight hammer
    US6460210B1 (en) * 2000-11-08 2002-10-08 Alexander G. Alpert Multi-purpose hammer
    US20030037641A1 (en) * 1996-03-28 2003-02-27 Coonrad Todd Douglas Striking tool

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2741456A (en) * 1954-11-26 1956-04-10 Carl M Williams Break over hammer
    US3385334A (en) * 1967-03-17 1968-05-28 Ralph F Koebbeman Soft head hammer
    US5216939A (en) * 1992-10-02 1993-06-08 Swenson William B Interchangeable tip and/or weight hammer
    US20030037641A1 (en) * 1996-03-28 2003-02-27 Coonrad Todd Douglas Striking tool
    US6460210B1 (en) * 2000-11-08 2002-10-08 Alexander G. Alpert Multi-purpose hammer

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CN108523334A (en) * 2018-04-13 2018-09-14 山东里能鲁西矿业有限公司 A kind of miner's safety handle

    Also Published As

    Publication number Publication date
    EP1598150B1 (en) 2007-05-02
    FR2870473B1 (en) 2007-08-03
    DE602005001021T2 (en) 2008-01-03
    ATE361181T1 (en) 2007-05-15
    DE602005001021D1 (en) 2007-06-14
    FR2870473A1 (en) 2005-11-25

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