EP2361169A1 - Multipurpose hitting device with a mechanism for absorbing the energy transmitted to the gripping means - Google Patents

Multipurpose hitting device with a mechanism for absorbing the energy transmitted to the gripping means

Info

Publication number
EP2361169A1
EP2361169A1 EP09768139A EP09768139A EP2361169A1 EP 2361169 A1 EP2361169 A1 EP 2361169A1 EP 09768139 A EP09768139 A EP 09768139A EP 09768139 A EP09768139 A EP 09768139A EP 2361169 A1 EP2361169 A1 EP 2361169A1
Authority
EP
European Patent Office
Prior art keywords
handle
striking
tool according
head
ring
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
EP09768139A
Other languages
German (de)
French (fr)
Other versions
EP2361169B1 (en
Inventor
Jean-Louis Boehm
Arnaud Drevon
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.)
Boehm & Cie Ets
Original Assignee
Boehm & Cie Ets
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 Boehm & Cie Ets filed Critical Boehm & Cie Ets
Publication of EP2361169A1 publication Critical patent/EP2361169A1/en
Application granted granted Critical
Publication of EP2361169B1 publication Critical patent/EP2361169B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D1/00—Hand hammers; Hammer heads of special shape or materials
    • B25D1/12—Hand hammers; Hammer heads of special shape or materials having shock-absorbing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D1/00—Hand hammers; Hammer heads of special shape or materials
    • B25D1/02—Inserts or attachments forming the striking part of hammer heads
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00—Marking-out or setting-out work
    • B25H7/04—Devices, e.g. scribers, for marking
    • B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements

Definitions

  • the invention relates to the technical sector of hand-held tools that can be used for various purposes. They are single-handed tools for driving any product into a support of various materials. It can be marking tools on a product. It can be tools for cutting type cookie cutters.
  • the invention is specifically aimed at hand-held tools for which many problems remain.
  • Another problem lies in the deterioration of the striking head of these types of hand-held tools, and this in different applications mentioned above without limitation, requiring a complete change of tool.
  • the multi-purpose striking tool comprises a mechanism absorbing the energy transmitted to the gripping means, said mechanism comprising four main elements, namely a support body, a handle, a return means elastic and an interchangeable head, these four elements being assembled to form a common base and then being able to receive complementary means integrating with this base according to the applications concerned, and in that the cylindrical body has in its lower part a part shouldered larger diameter than its upper part so as to allow the positioning and support of an associated ring and shaped with the handle portion, and in that the handle is arranged with an inner shoulder portion whose upper face constitutes the support of an elastic means having an energy absorbing function transmitted to the handle and thus limiting the vibrati and in that the interchangeable striking head comprises a portion centered in the ring and an appendage engaging in an internal bore of the body, and in that said striking head is in direct abutment with the body to transmit to
  • FIG. 1 is an exploded view in perspective before mounting the constituent elements of the striking tool comprising the energy absorbing mechanism with its essential components before receiving the tool according to the applications under consideration, a mandrel for punch being represented by way of example.
  • - Figure 2 is a perspective view of the striking tool according to the invention in its punching application.
  • FIG. 3 is a plan view of the tool according to FIG.
  • FIG. 4 is a cross-sectional view along the line A-A of Figure 3 of the hand-held tool in its mounted version, with punch.
  • FIG. 5 is a sectional view along line F-F of FIG. 4.
  • FIG. 6 is a sectional view along the line H-H of Figure 4.
  • FIG. 7 is an exploded perspective view of the striking tool according to the invention in its marking application.
  • FIG. 8 is a plan view of the tool according to FIG. 7.
  • FIG. 9 is a cross-sectional view along the line B-B of Figure 8 of the hand-held tool in its mounted version.
  • FIG. 10 is an exploded perspective view from above showing the hand-held tool in its carry-room version as an example to illustrate the mounting characteristics.
  • the multi-purpose punching tool according to the invention is referenced as a whole by (O) and it comprises a mechanism absorbing the energy transmitted to the gripping means.
  • This mechanism comprises four main elements, namely a support body (1), a handle (2), an elastic return means (3) and an interchangeable head (4), these four elements being assembled to constitute a common base and being may then receive additional resources integrating this base according to the applications concerned.
  • FIG. 1 thus illustrates the aforementioned common base, with the introduction by way of example of a take-up mandrel-piece.
  • the striking tool comprises a cylindrical body (1) with in its lower part a shouldered portion (la) of larger diameter than the upper part (Ib) so as to allow the positioning and support of a ring (2a ) associated and shaped with the handle part.
  • the cylindrical body (1) has a through bore (Ic), the shoulder portion (la) being of a diameter substantially greater than the underlying portion (Here).
  • the body (1) has a grooving (Id) over the entire height of the portion (Ib) having an anti-rotation function, as will be explained later.
  • This body is made of any suitable material.
  • the handle portion (2) comprises a ring (2a) for centering and fixing on the body and is arranged internally with an inner shoulder (2b) and a notch (2c), the latter being able to penetrate into the groove (Id ) formed on the body.
  • the stepped inner part (2b) therefore surrounds the upper part (Ib) of the body (1), and defines on its upper horizontal face (2d) a support plane of an elastic means (3) having an absorbing function of energy, transmitted to the handle and limiting the vibrations.
  • the handle (2) is extended at the rear by an arm (2e) including if necessary a support zone (5) of flexible material, adapted to the comfort of the hand of the operator, in a manual version.
  • This handle therefore creates a part detation deported relative to the body (1) and the striking head (4) avoiding or significantly limiting the vibratory effects when typing.
  • the arm portion (2e) can be grasped by any gripping means.
  • the handle (2) is for example monobloc and is made of any suitable material generating flexibility, comfort and ergonomics.
  • the arm (2e) of the handle may have one or two housings (2f) for receiving an angled wrench (6) with the sides of the type known under the trademark ALEN with hexagon socket cooperate with screwing and connecting means (7) which will be exposed thereafter.
  • the resilient means (3) is for example of the wave spring type, helical type compression spring or any equivalent means of the elastomeric ring type or the like providing the same compression function.
  • the resilient means (3) bears on the bearing surface (2d) of the handle ring.
  • the striking head (4) which is intended to be interchangeable to take into account its deterioration, comprises a central portion (4a) centered in the ring (2a) bearing and in compression on the elastic means (3).
  • the striking head (4) further comprises a cylindrical appendix (4b) capable of being engaged in the internal bore (Ic) of the body (1). Said head therefore comes into elastic support on the means (3) energy absorber and its face (4e) on the upper face (If) of the body.
  • the striking head is in direct support on the body for the full transmission of the striking power.
  • the upper part (4d) of the head undergoes for example a surface treatment that allows it to receive the blows given by a mass or the like.
  • the concept of interchangeable head allows for a range of heads with different technical characteristics.
  • the striking head can be maintained in the ring (2a) of the handle with a certain freedom of movement by pressing on the elastic means, while being retained at the top by a clipping of detention.
  • the striking head may nevertheless be removed depending on the need for change.
  • the first application of the invention is directed to the punch-pieces to cut discs, pellets, washers for example on metal material supports or others.
  • the striking tool then includes three complementary parts, namely a mandrel (8) that fits and attach around the shoulder portion (la) formed on the body, one or more screws (7) connecting radially the tightening of the whole.
  • the mandrel is of the type known in patent FR 2807692 belonging to the applicant.
  • the mandrel comprises a plurality of steps (8a) of progressive diameter with complementary shapes described in this patent to allow the attachment of cutting tool (9) known per se.
  • the mandrel (8) is screwed onto the body, allowing on the one hand its engagement by its upper recessed central part (8b) around the cylindrical bearing surface (la) with a connecting screw (7). and secondly for screwing the profiled end (Ih) into the tapping (8c) provided for this purpose in the mandrel.
  • the cylindrical body internally receives the marking tool (10) whose end has the mark.
  • One or more screws (7) arranged in shapes on the shoulder portion (1a) of the body provide clamping in position.
  • the body can be arranged in a complementary manner depending on the applications.
  • the body may be arranged to allow the passage of a rod in the use of a cutting compass (patent FR 2788459).
  • the invention emphasizes the multi-purpose capacity of the striking tool comprising a mechanism absorbing the energy transmitted to the gripping means, its adaptability to meet the needs, the best safety for the operator for which his grip and his grip in general is deported by the handle out of the striking field. It also emphasizes the interchangeability of the impact head according to needs and its surface condition.
  • Another important advantage of the invention in particular in the die-cutter application lies in the fact that the mass has been reduced in movement thanks to the offset of the grip of the tool. As a result, the power transmitted to the tool is greater thanks to this arrangement.
  • the suppression or quasi-suppression of the vibrations also makes it possible to obtain a cutting or a marking according to the applications, of better quality, because of the limitation of the rebound of the bearing surface of the punch or the marking means on the worked support.
  • the effectiveness of the damping is not related to the manual holding force of the tool. We also get a better hold of the set when typing.
  • the constitutive materials used for the components are chosen according to the applications.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

The invention relates to a tool that includes a mechanism for absorbing the energy transmitted to the gripping means, said mechanism including four main elements, i.e. a carrier body (1), a handle (2), an elastic return means (3) and an interchangeable head (4), said four members being assembled so as to form a common base and being capable of receiving additional means which are integrated into said base depending on the pertinent use.

Description

OUTIL DE FRAPPE MULTI-USAGES A MECANISME ABSORBANT L'ENERGIE TRANSMISE AU MOYEN DE MULTI-PURPOSE TOOL WITH A MECHANISM ABSORBING THE ENERGY TRANSMITTED BY MEANS OF
PREHENSIONGRIPPING
L'invention se rattache au secteur technique des outils de frappe à main qui peuvent être utilisés à des fins diverses. Ce sont des outils à simple frappe pour enfoncer un produit quelconque dans un support en matériaux divers. Ce peut être des outils de marquage sur un produit. Ce peut être des outils pour découper du type emporte-pièces.The invention relates to the technical sector of hand-held tools that can be used for various purposes. They are single-handed tools for driving any product into a support of various materials. It can be marking tools on a product. It can be tools for cutting type cookie cutters.
II est par ailleurs connu dans d'autres fonctionnalités par exemple de serrage-desserrage d'avoir des clés à main et plus précisément des clés à douilles réceptionnant des gammes de douilles de formes, dimensions et empreintes variées susceptibles d'assurer la fonction de serrage-desserrage dans de bonnes conditions.It is moreover known in other features, for example tightening and loosening, to have hand-held keys and, more precisely, socket wrenches receiving ranges of sockets of various shapes, dimensions and imprints capable of providing the clamping function. -drawing in good conditions.
L'invention vise spécifiquement les outils de frappe à main pour lesquels de nombreux problèmes demeurent.The invention is specifically aimed at hand-held tools for which many problems remain.
II y a tout d'abord un problème de sécurité lors de la frappe pour ne pas blesser la main de l'opérateur engendrant par exemple l'utilisation de garde pour outil de frappe à main en matériau élastomère tel que décrit dans le brevet FR 2431352. Ce type de garde est bien courant et donne une protection en cas de ripage de la tête de l'outil de frappe. Ce type de garde est intéressant, mais demeure limité à un emploi spécifique.First of all, there is a safety problem when striking so as not to injure the operator's hand, for example the use of a guard for a hand-held tool made of elastomeric material as described in patent FR 2431352. This type of guard is very common and gives protection in case of shifting of the head of the striking tool. This type of care is interesting, but is limited to a specific job.
Un autre problème réside dans la détérioration de la tête de frappe de ces types d'outils de frappe à main, et ce dans les différentes applications précitées citées à titre non limitatif, nécessitant un changement complet d'outil.Another problem lies in the deterioration of the striking head of these types of hand-held tools, and this in different applications mentioned above without limitation, requiring a complete change of tool.
Malgré certains traitements de surface, les têtes de frappe des outils sont détériorées, ce qui facilite les effets de ripage et donc de blessures. De ce fait, en cas de détérioration trop forte, la seule solution consiste à changer l'outil dans son ensemble, ce qui entraine des coûts conséquents.Despite some surface treatments, the striking heads of the tools are deteriorated, which facilitates the effects of shifting and thus injuries. Therefore, in case of deterioration too strong, the only solution is to change the tool as a whole, which entails consequent costs.
Un autre problème réside dans l'effet de .rebondissement et de l'effet vibratoire de l'outil après frappe de part la réaction de contre -poussée suite à la force de frappe, ce qui peut générer des imprécisions lors de la frappe et des accidents. Ce phénomène peut être gênant pour l'utilisateur, et en particulier au plan musculaire.Another problem lies in the effect of .rebondissement and the vibratory effect of the tool after hit by the counter-push reaction following the force of striking, which can generate inaccuracies during the striking and accidents. This phenomenon can be inconvenient for the user, and in particular at the muscular level.
Face à cette diversité de problèmes posés, qui sont tous étroitement combinés avec des effets cumulatifs pénalisants, la démarche du demandeur a donc été de rechercher un nouveau type d'outil de frappe à main qui soit plus sécurisé pour l'opérateur, qui soit adaptable selon les besoins et applications avec une tête de frappe amovible pour être remplacée et/ou jetée en fonction du moyen de frappe, de la détérioration de l'aire de frappe.Faced with this diversity of problems, which are all closely combined with penalizing cumulative effects, the applicant's approach has been to find a new type of hand-held tool that is more secure for the operator, which is adaptable according to needs and applications with a removable impact head to be replaced and / or thrown according to the impactor, the deterioration of the striking area.
Un autre but recherché était d'améliorer la sécurité physique de l'opérateur en éloignant sa prise de main par rapport au corps de l'outil en l'éloignant de la zone de frappe.Another goal sought was to improve the physical safety of the operator by moving his grip away from the body of the tool away from the striking zone.
Après différents travaux de recherche en tenant compte de l'ensemble des contraintes précitées, une solution a été apportée qui répond aux différents problèmes posés. Ainsi, l'outil de frappe multi-usages est remarquable en ce qu'il comprend un mécanisme absorbant l'énergie transmise au moyen de préhension, ledit mécanisme comprenant quatre éléments principaux, à savoir un corps support, une poignée, un moyen de rappel élastique et une tête interchangeable, ces quatre éléments étant assemblés pour constituer une base commune et étant susceptibles ensuite de recevoir des moyens complémentaires s 'intégrant à cette base selon les applications concernées, et en ce que le corps cylindrique présente dans sa partie basse une partie épaulée de plus grand diamètre que sa partie supérieure de manière à autoriser le positionnement et l'appui d'une bague associée et conformée avec la partie poignée, et en ce que la poignée est agencée avec une partie intérieure épaulée dont la face supérieure constitue l'appui d'un moyen élastique ayant une fonction absorbante d'énergie transmise à la poignée et limitant ainsi les vibrations, et en ce que la tête de frappe interchangeable comprend une partie centrée dans la bague et un appendice s 'engageant dans un alésage intérieur du corps, et en ce que ladite tête de frappe est en appui direct sur le corps pour lui transmettre l'intégralité de la puissance de frappe , et en ce que la poignée se prolonge à l'arrière par un bras.After various research works taking into account all the aforementioned constraints, a solution has been provided that responds to the various problems raised. Thus, the multi-purpose striking tool is remarkable in that it comprises a mechanism absorbing the energy transmitted to the gripping means, said mechanism comprising four main elements, namely a support body, a handle, a return means elastic and an interchangeable head, these four elements being assembled to form a common base and then being able to receive complementary means integrating with this base according to the applications concerned, and in that the cylindrical body has in its lower part a part shouldered larger diameter than its upper part so as to allow the positioning and support of an associated ring and shaped with the handle portion, and in that the handle is arranged with an inner shoulder portion whose upper face constitutes the support of an elastic means having an energy absorbing function transmitted to the handle and thus limiting the vibrati and in that the interchangeable striking head comprises a portion centered in the ring and an appendage engaging in an internal bore of the body, and in that said striking head is in direct abutment with the body to transmit to the body. all the striking power, and in that the handle is extended at the back by an arm.
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 illustrée d'une manière non limitative aux figures des dessins où : - la figure 1 est une vue éclatée en perspective avant montage des éléments constitutifs de l'outil de frappe comprenant le mécanisme absorbant d'énergie avec ses éléments constitutifs essentiels avant réception de l'outil selon les applications considérées, un mandrin pour emporte-pièce étant représenté à titre d'exemple. - la figure 2 est une vue en perspective de l'outil de frappe selon l'invention dans son application emporte-pièces.For fixing the object of the invention illustrated in a non-limiting manner to the figures of the drawings in which: - Figure 1 is an exploded view in perspective before mounting the constituent elements of the striking tool comprising the energy absorbing mechanism with its essential components before receiving the tool according to the applications under consideration, a mandrel for punch being represented by way of example. - Figure 2 is a perspective view of the striking tool according to the invention in its punching application.
- la figure 3 est une vue en plan de l'outil selon la figure 2.FIG. 3 is a plan view of the tool according to FIG.
- la figure 4 est une vue en coupe transversale selon la ligne A-A de la figure 3 de l'outil de frappe à main dans sa version montée, avec emporte pièce.- Figure 4 is a cross-sectional view along the line A-A of Figure 3 of the hand-held tool in its mounted version, with punch.
- la figure 5 est une vue en coupe selon la ligne F-F de la figure 4.FIG. 5 is a sectional view along line F-F of FIG. 4.
- La figure 6 est une vue en coupe selon la ligne H-H de la figure 4.- Figure 6 is a sectional view along the line H-H of Figure 4.
- la figure 7 est une vue en perspective éclatée de l'outil de frappe selon l'invention dans son application de marquage.- Figure 7 is an exploded perspective view of the striking tool according to the invention in its marking application.
- La figure 8 est une vue en plan de l'outil selon la figure 7.FIG. 8 is a plan view of the tool according to FIG. 7.
- la figure 9 est une vue en coupe transversale selon la ligne B-B de la figure 8 de l'outil de frappe à main dans sa version montée.- Figure 9 is a cross-sectional view along the line B-B of Figure 8 of the hand-held tool in its mounted version.
- la figure 10 est une vue en perspective éclatée et de dessus montrant l'outil de frappe à main dans sa version emporte -pièce à titre d'exemple pour en illustrer les caractéristiques de montage.- Figure 10 is an exploded perspective view from above showing the hand-held tool in its carry-room version as an example to illustrate the mounting characteristics.
Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner illustrated in the figures of the drawings.
L'outil de frappe multi-usages selon l'invention est référencé dans son ensemble par (O) et il comprend un mécanisme absorbant l'énergie transmise au moyen de préhension. Ce mécanisme comprend quatre éléments principaux, à savoir un corps support (1), une poignée (2), un moyen de rappel élastique (3) et une tête interchangeable (4), ces quatre éléments étant assemblés pour constituer une base commune et étant susceptibles ensuite de recevoir des moyens complémentaires s'intégrant à cette base selon les applications concernées. La figure 1 illustre ainsi la base commune précitée, avec la mise en place à titre d'exemple d'un mandrin d'emporté -pièce. L'outil de frappe comprend un corps cylindrique (1) avec dans sa partie basse une partie épaulée (la) de plus grand diamètre que la partie supérieure (Ib) de manière à autoriser le positionnement et l'appui d'une bague (2a) associée et conformée avec la partie poignée. Le corps cylindrique (1) présente un alésage (Ic) traversant, la partie épaulée (la) étant d'un diamètre sensiblement supérieur à la partie sous-jacente (Ici). En outre, le corps (1) présente un rainurage (Id) sur toute la hauteur de la partie (Ib) ayant une fonction anti-rotation, comme il sera exposé par la suite. Ce corps est réalisé en tout matériau approprié.The multi-purpose punching tool according to the invention is referenced as a whole by (O) and it comprises a mechanism absorbing the energy transmitted to the gripping means. This mechanism comprises four main elements, namely a support body (1), a handle (2), an elastic return means (3) and an interchangeable head (4), these four elements being assembled to constitute a common base and being may then receive additional resources integrating this base according to the applications concerned. FIG. 1 thus illustrates the aforementioned common base, with the introduction by way of example of a take-up mandrel-piece. The striking tool comprises a cylindrical body (1) with in its lower part a shouldered portion (la) of larger diameter than the upper part (Ib) so as to allow the positioning and support of a ring (2a ) associated and shaped with the handle part. The cylindrical body (1) has a through bore (Ic), the shoulder portion (la) being of a diameter substantially greater than the underlying portion (Here). In addition, the body (1) has a grooving (Id) over the entire height of the portion (Ib) having an anti-rotation function, as will be explained later. This body is made of any suitable material.
La partie poignée (2) comprend une bague (2a) de centrage et de fixation sur le corps et est agencée intérieurement avec un épaulement intérieur (2b) et une encoche (2c), celle-ci étant susceptible de pénétrer dans la rainure (Id) formée sur le corps. La partie intérieure épaulée (2b) vient donc entourer la partie supérieure (Ib) du corps (1), et elle définit sur sa face (2d) supérieure horizontale un plan d'appui d'un moyen élastique (3) ayant une fonction absorbante d'énergie, transmise à la poignée et limitant les vibrations.The handle portion (2) comprises a ring (2a) for centering and fixing on the body and is arranged internally with an inner shoulder (2b) and a notch (2c), the latter being able to penetrate into the groove (Id ) formed on the body. The stepped inner part (2b) therefore surrounds the upper part (Ib) of the body (1), and defines on its upper horizontal face (2d) a support plane of an elastic means (3) having an absorbing function of energy, transmitted to the handle and limiting the vibrations.
La poignée (2) se prolonge à l'arrière par un bras (2e) en incluant le cas échéant une zone d'appui (5) en matériau souple, apte au confort de la main de l'opérateur, dans une version manuelle. Cette poignée créée donc une partie de .préhension déportée par rapport au corps (1) et à la tête de frappe (4) évitant ou limitant considérablement les effets vibratoires lors de la frappe. Dans une version d'utilisation robotisée de l'outil de frappe, la partie bras (2e) peut être saisie par tout moyen de préhension. La poignée (2) est par exemple monobloc et est réalisée en tout matériau approprié générant souplesse, confort et ergonomie. Dans sa longueur, le bras (2e) de la poignée peut présenter un ou des logements (2f) pour la réception d'une clé coudée (6) à pans du type de celle connue sous la marque ALEN avec six pans pour coopérer avec des moyens de vissage et de liaison (7) qui seront exposés par la suite.The handle (2) is extended at the rear by an arm (2e) including if necessary a support zone (5) of flexible material, adapted to the comfort of the hand of the operator, in a manual version. This handle therefore creates a part depréhension deported relative to the body (1) and the striking head (4) avoiding or significantly limiting the vibratory effects when typing. In a robotic use version of the striking tool, the arm portion (2e) can be grasped by any gripping means. The handle (2) is for example monobloc and is made of any suitable material generating flexibility, comfort and ergonomics. In its length, the arm (2e) of the handle may have one or two housings (2f) for receiving an angled wrench (6) with the sides of the type known under the trademark ALEN with hexagon socket cooperate with screwing and connecting means (7) which will be exposed thereafter.
Le moyen élastique (3) est par exemple du type ressort à vagues, ressort de compression de type hélicoïdal ou tout moyen équivalent du type bague élastomère ou similaire assurant la même fonction de compression. Le moyen élastique (3) prend appui sur la portée (2d) de la bague de la poignée. La tête de frappe (4), qui est destinée à être interchangeable pour tenir compte de sa détérioration, comprend une partie médiane (4a) centrée dans la bague (2a) en venant en appui et en compression sur le moyen élastique (3). La tête de frappe (4) comprend en outre un appendice (4b) cylindrique susceptible d'être engagé dans l'alésage intérieur (Ic) du corps (1). Ladite tête vient donc en appui élastique sur le moyen (3) absorbeur d'énergie et par sa face (4e) sur la face supérieure (If) du corps. Ainsi la tête de frappe est en appui direct sur le corps pour la transmission intégrale de la puissance de frappe. La partie supérieure (4d) de la tête subit par exemple un traitement de surface qui lui permet de recevoir les coups donnés par une masse ou similaire. Ainsi, le concept de tête interchangeable permet de réaliser une gamme de têtes avec des caractéristiques techniques différentes.The resilient means (3) is for example of the wave spring type, helical type compression spring or any equivalent means of the elastomeric ring type or the like providing the same compression function. The resilient means (3) bears on the bearing surface (2d) of the handle ring. The striking head (4), which is intended to be interchangeable to take into account its deterioration, comprises a central portion (4a) centered in the ring (2a) bearing and in compression on the elastic means (3). The striking head (4) further comprises a cylindrical appendix (4b) capable of being engaged in the internal bore (Ic) of the body (1). Said head therefore comes into elastic support on the means (3) energy absorber and its face (4e) on the upper face (If) of the body. Thus the striking head is in direct support on the body for the full transmission of the striking power. The upper part (4d) of the head undergoes for example a surface treatment that allows it to receive the blows given by a mass or the like. Thus, the concept of interchangeable head allows for a range of heads with different technical characteristics.
Pour éviter tout échappement inopiné de la tête de frappe, celle-ci peut être maintenue dans la bague (2a) de la poignée avec une certaine liberté de mouvement par appui sur le moyen élastique, tout en étant retenue par le haut par un clipsage de retenue. La tête de frappe peut néanmoins être enlevée en fonction des besoins de changement.To avoid any unexpected escape of the striking head, it can be maintained in the ring (2a) of the handle with a certain freedom of movement by pressing on the elastic means, while being retained at the top by a clipping of detention. The striking head may nevertheless be removed depending on the need for change.
On souligne que lors de la frappe, l'accélération verticale que subit l'ensemble du corps (1) et tête (4) provoque la compression du moyen élastique (3) et donc un mouvement relatif par rapport à la bague (2a) de la poignée (2).It is emphasized that during the striking, the vertical acceleration experienced by the whole body (1) and head (4) causes compression of the medium elastic (3) and therefore a relative movement relative to the ring (2a) of the handle (2).
L'outil de frappe ayant été décrit dans ses moyens principaux de base, il convient maintenant en se référant aux figures des dessins de décrire à titre non limitatif deux exemples d'application de l'invention.The striking tool having been described in its basic basic means, it is now appropriate with reference to the figures of the drawings to describe non-limiting two examples of application of the invention.
La première application de l'invention vise les emporte -pièces pour découper des disques, pastilles, rondelles par exemple sur des supports en matériau métallique ou autres.The first application of the invention is directed to the punch-pieces to cut discs, pellets, washers for example on metal material supports or others.
L'outil de frappe inclut alors trois pièces complémentaires, à savoir un mandrin (8) qui vient s'adapter et se fixer autour de la partie épaulée (la) formée sur le corps, une ou des vis (7) de liaison assurant radialement le serrage de l'ensemble. Le mandrin est du type connu dans le brevet FR 2807692 appartenant au demandeur. Le mandrin comprend une pluralité de gradins (8a) de diamètre progressif avec des formes complémentaires décrites dans ce brevet pour permettre la fixation d'outil coupant (9) connu en soi.The striking tool then includes three complementary parts, namely a mandrel (8) that fits and attach around the shoulder portion (la) formed on the body, one or more screws (7) connecting radially the tightening of the whole. The mandrel is of the type known in patent FR 2807692 belonging to the applicant. The mandrel comprises a plurality of steps (8a) of progressive diameter with complementary shapes described in this patent to allow the attachment of cutting tool (9) known per se.
Dans une mise en œuvre par exemple le mandrin (8) est vissé sur le corps en permettant d'une part son engagement par sa partie centrale supérieure évidée (8b) autour de la portée cylindrique (la) avec une vis de liaison (7) et d'autre part pour le vissage de l'extrémité profilée (Ih) dans le taraudage (8c) prévue à cet effet dans le mandrin.In an implementation, for example, the mandrel (8) is screwed onto the body, allowing on the one hand its engagement by its upper recessed central part (8b) around the cylindrical bearing surface (la) with a connecting screw (7). and secondly for screwing the profiled end (Ih) into the tapping (8c) provided for this purpose in the mandrel.
En raison de la nature de l'application, il est prévu à la fois sur le corps (1) et sur la bague (2a) de la poignée des ouvertures (In) et (2m) pour l'évacuation des déchets de coupe de matériaux. Ceux-ci remontent en effet dans le corps de l'outil et sont évacués radialement. L'orientation de ces ouvertures (In) et (2m) sera fonction de l'application de l'outil de frappe. En se référant à la seconde application de marquage, le corps cylindrique reçoit intérieurement l'outil de marquage (10) dont l'extrémité présente la marque. Une ou des vis (7) disposées dans des formes sur la partie épaulée (la) extrême du corps assurent le serrage en position.Due to the nature of the application, it is provided both on the body (1) and on the ring (2a) of the handle openings (In) and (2m) for the disposal of cutting waste. materials. They go up in the body of the tool and are evacuated radially. The orientation of these openings (In) and (2m) will depend on the application of the striking tool. Referring to the second marking application, the cylindrical body internally receives the marking tool (10) whose end has the mark. One or more screws (7) arranged in shapes on the shoulder portion (1a) of the body provide clamping in position.
Sans sortir du cadre de l'invention, le corps peut être aménagé de manière complémentaire en fonction des applications. Par exemple, le corps peut être aménagé pour permettre le passage d'une tige dans l'utilisation d'un compas coupant (brevet FR 2788459).Without departing from the scope of the invention, the body can be arranged in a complementary manner depending on the applications. For example, the body may be arranged to allow the passage of a rod in the use of a cutting compass (patent FR 2788459).
Les avantages ressortent bien de l'invention. On souligne la capacité multi usages de l'outil de frappe comprenant un mécanisme absorbant l'énergie transmise au moyen de préhension, son adaptabilité à répondre aux besoins, la meilleure sécurité pour l'opérateur pour lequel sa prise de main et sa préhension en général est déportée par la poignée hors du champ de frappe. On souligne aussi l'interchangeabilité de la tête de frappe en fonction des besoins et de son état de surface.The advantages are apparent from the invention. It emphasizes the multi-purpose capacity of the striking tool comprising a mechanism absorbing the energy transmitted to the gripping means, its adaptability to meet the needs, the best safety for the operator for which his grip and his grip in general is deported by the handle out of the striking field. It also emphasizes the interchangeability of the impact head according to needs and its surface condition.
On souligne également la quasi suppression des vibrations absorbées transmis à la main de l'opérateur, puisque celle-ci se trouve éloignée de la zone de frappe.It also emphasizes the virtual elimination of absorbed vibrations transmitted to the hand of the operator, since it is far from the strike zone.
Un autre avantage important de l'invention notamment dans l'application emporte-pièces réside dans le fait que l'on a réduit la masse en mouvement grâce au déport de la prise en main de l'outil. En conséquence, la puissance transmise à l'outil est supérieure grâce à cet agencement.Another important advantage of the invention in particular in the die-cutter application lies in the fact that the mass has been reduced in movement thanks to the offset of the grip of the tool. As a result, the power transmitted to the tool is greater thanks to this arrangement.
Par ailleurs, la suppression ou quasi suppression des vibrations permet également d'obtenir une découpe ou un marquage selon les applications, de meilleure qualité, du fait de la limitation du rebond de la surface d'appui de l' emporte-pièce ou du moyen de marquage sur le support travaillé. L'efficacité de l'amortissement n'est pas lié à la force manuelle de tenue de l'outil. On obtient aussi une meilleure tenue de l'ensemble lors de la frappe.Moreover, the suppression or quasi-suppression of the vibrations also makes it possible to obtain a cutting or a marking according to the applications, of better quality, because of the limitation of the rebound of the bearing surface of the punch or the marking means on the worked support. The effectiveness of the damping is not related to the manual holding force of the tool. We also get a better hold of the set when typing.
Les matériaux utilisés constitutifs des composants sont choisis en fonction des applications.The constitutive materials used for the components are chosen according to the applications.
On souligne enfin un avantage indirect mais pratique qui est le rangement de la clé coudée (6) de serrage-desserrage des vis de liaison à l'intérieur du bras de la poignée, en débordant partiellement par son petit côté (6a) et s 'incrustant dans la face arrière de la poignée. Finally, there is an indirect but practical advantage which is the storage of the bent-wrench (6) for tightening and loosening of the connecting screws inside the arm of the handle, partially projecting by its short side (6a) and embedded in the back of the handle.

Claims

R E V E N D I C A T I O N SR E V E N D I C A T IO N S
-1- Outil pour frappe multi-usages, caractérisé en ce qu'il comprend un mécanisme absorbant d'énergie transmise au moyen de préhension, ledit mécanisme comprenant quatre éléments principaux, à savoir un corps support (1), une poignée (2), un moyen (3) de rappel élastique et une tête interchangeable (4), ces quatre éléments étant assemblés pour constituer une base commune et étant susceptibles ensuite de recevoir des moyens complémentaires s 'intégrant à cette base selon les applications concernées, et en ce que le corps cylindrique (1) présente dans sa partie basse une partie épaulée (la) de plus grand diamètre que sa partie supérieure (Ib) de manière à autoriser le positionnement et l'appui d'une bague (2a) associée et conformée avec la partie poignée (2), et en ce que la poignée (2) est agencée avec une partie intérieure épaulée (2b) dont la face supérieure (2d) constitue l'appui d'un moyen élastique (3) ayant une fonction absorbante d'énergie transmise à la poignée et limitant ainsi les vibrations et en ce que la tête de frappe interchangeable comprend une partie (4a) centrée dans la bague et un appendice (4b) s 'engageant dans un alésage intérieur du corps (1), et en ce que ladite tête de frappe est en appui direct sur le corps pour lui transmettre l'intégralité de la puissance de frappe et en ce que la poignée (2) se prolonge à l'arrière par un bras (2e).-1- multi-purpose typing tool, characterized in that it comprises a mechanism absorbing energy transmitted to the gripping means, said mechanism comprising four main elements, namely a support body (1), a handle (2) , an elastic return means (3) and an interchangeable head (4), these four elements being assembled to form a common base and then being able to receive complementary means integrating with this base according to the applications concerned, and in that that the cylindrical body (1) has in its lower part a shoulder portion (la) of larger diameter than its upper part (Ib) so as to allow the positioning and support of a ring (2a) associated and shaped with the handle part (2), and in that the handle (2) is arranged with a stepped inner part (2b) whose upper face (2d) constitutes the support of an elastic means (3) having an absorbing function of energy t transmitted to the handle and thus limiting the vibrations and in that the interchangeable striking head comprises a portion (4a) centered in the ring and an appendix (4b) engaging in an internal bore of the body (1), and in that said striking head is in direct support on the body to transmit all the striking power and in that the handle (2) is extended at the rear by an arm (2e).
-2- Outil pour frappe selon la revendication 1 , caractérisé en ce que le corps cylindrique (1) présente un alésage (Ic) traversant avec la partie épaulée (la) étant d'un diamètre supérieur à la partie sous jacente de (Ici), le corps présentant un rainurage (Id) sur toute la hauteur de la partie (Ib) ayant une fonction anti-rotation . -3- Outil pour frappe selon la revendication 2, caractérisé en ce que la partie poignée (2) comprend une bague (2a) de centrage et de fixation sur le corps et est agencée intérieurement avec un épaulement intérieur (2b) et une encoche (2c), celle-ci étant susceptible de pénétrer dans la rainure (Id) formée sur le corps, et en ce que la partie intérieure épaulée (2b) vient entourer la partie supérieure du corps (1), et définit sur sa face (2d) supérieure horizontale un plan d'appui d'un moyen élastique (3) ayant une fonction absorbante d'énergie transmise à la poignée en limitant les vibrations.-2- striking tool according to claim 1, characterized in that the cylindrical body (1) has a bore (Ic) passing through with the shoulder portion (la) being of a diameter greater than the underlying portion of (Here) , the body having a grooving (Id) over the entire height of the portion (Ib) having an anti-rotation function. -3- striking tool according to claim 2, characterized in that the handle portion (2) comprises a ring (2a) for centering and fixing on the body and is arranged internally with an inner shoulder (2b) and a notch ( 2c), the latter being capable of penetrating into the groove (Id) formed on the body, and in that the inner shoulder portion (2b) surrounds the upper part of the body (1), and defines on its face (2d ) upper horizontal a support plane of an elastic means (3) having an energy absorbing function transmitted to the handle by limiting the vibrations.
-4- Outil pour frappe selon la revendication 1, caractérisé en ce que dans sa longueur le bras de la poignée (2e) peut présenter un ou des logements (2f) pour la réception d'une clé coudée (6) à pans.-4- striking tool according to claim 1, characterized in that in its length the arm of the handle (2e) may have one or slots (2f) for receiving a bent wrench (6) flanged.
-5- Outil pour frappe selon la revendication 1, caractérisé en ce que le moyen élastique (3) est du type ressort à vagues, ou tous type de moyen assurant par la fonction compression.-5- striking tool according to claim 1, characterized in that the elastic means (3) is of the wave spring type, or any type of means ensuring the compression function.
-6- Outil pour frappe selon la revendication 1 , caractérisé en ce que la tête de frappe (4), qui est destinée à être interchangeable pour tenir compte de sa détérioration, comprend une partie médiane (4a) centrée dans la bague (2a) en venant en appui et en compression sur le moyen élastique, et en ce que la tête de frappe (4) comprend en outre un appendice (4b) cylindrique susceptible d'être engagé dans l'alésage intérieur du corps (1), et en ce que ladite tête vient en appui élastique sur le moyen (3) et par sa face (4e) sur la face supérieure (If) du corps.(l).-6- striking tool according to claim 1, characterized in that the striking head (4), which is intended to be interchangeable to account for its deterioration, comprises a central portion (4a) centered in the ring (2a) bearing and compressing on the resilient means, and in that the striking head (4) further comprises a cylindrical appendix (4b) engageable in the internal bore of the body (1), and that said head bears elastically on the means (3) and by its face (4e) on the upper face (If) of the body (1).
-7- Outil pour frappe selon la revendication 1, caractérisé en ce que dans l'application emporte -pièces, il inclut trois pièces complémentaires, à savoir un mandrin (8) qui vient s'adapter et se fixer autour de la portée (la) formée sur le corps, une ou des vis (7) de liaison assurant radialement le serrage de l'ensemble, et un outil coupant (9).-7- typing tool according to claim 1, characterized in that in the application carries-pieces, it includes three complementary parts, namely a mandrel (8) which fits and is fixed around the bearing surface (la) formed on the body, one or more screws (7) for connecting radially the tightening of the assembly, and a cutting tool (9) .
-8- Outil pour frappe selon la revendication 7, caractérisé en ce que sur le corps (1) et sur la bague (2a) de la poignée sont prévues des ouvertures (In) et (2m) pour l'évacuation des déchets de coupe de matériaux.-8- striking tool according to claim 7, characterized in that on the body (1) and on the ring (2a) of the handle are provided openings (In) and (2m) for the disposal of cutting waste of materials.
-9- Outil pour frappe selon la revendication 1 , caractérisé en ce que dans son application au marquage le corps cylindrique reçoit intérieurement un outil de marquage (10) dont l'extrémité présente la marque, une ou des vis (7) disposés dans des formes sur la collerette extrême du corps assurant le serrage en position. -9- striking tool according to claim 1, characterized in that in its application to marking the cylindrical body internally receives a marking tool (10) whose end has the mark, one or screws (7) arranged in forms on the extreme collar of the body ensuring the tightening in position.
EP09768139.9A 2008-12-22 2009-11-04 Multipurpose striking device with a mechanism for absorbing the energy transmitted to the gripping means Active EP2361169B1 (en)

Applications Claiming Priority (2)

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FR0858951A FR2940162B1 (en) 2008-12-22 2008-12-22 MULTI-PURPOSE TOOL WITH MECHANISM ABSORBING ENERGY TRANSMITTED BY MEANS OF GRIPPING
PCT/FR2009/052127 WO2010072931A1 (en) 2008-12-22 2009-11-04 Multipurpose hitting device with a mechanism for absorbing the energy transmitted to the gripping means

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EP2361169A1 true EP2361169A1 (en) 2011-08-31
EP2361169B1 EP2361169B1 (en) 2014-03-26

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EP (1) EP2361169B1 (en)
JP (1) JP5362031B2 (en)
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FR2940162A1 (en) 2010-06-25
EP2361169B1 (en) 2014-03-26
JP5362031B2 (en) 2013-12-11
US8939230B2 (en) 2015-01-27
JP2012513311A (en) 2012-06-14
ES2469800T3 (en) 2014-06-20
US20120024554A1 (en) 2012-02-02
WO2010072931A1 (en) 2010-07-01
FR2940162B1 (en) 2011-02-25

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