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EP0711219B1 - Device for gripping and absorbing shocks in stamping tools - Google Patents

Device for gripping and absorbing shocks in stamping tools Download PDF

Info

Publication number
EP0711219B1
EP0711219B1 EP95920144A EP95920144A EP0711219B1 EP 0711219 B1 EP0711219 B1 EP 0711219B1 EP 95920144 A EP95920144 A EP 95920144A EP 95920144 A EP95920144 A EP 95920144A EP 0711219 B1 EP0711219 B1 EP 0711219B1
Authority
EP
European Patent Office
Prior art keywords
tool
sleeve tube
sleeve
plastic
gripping
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.)
Expired - Lifetime
Application number
EP95920144A
Other languages
German (de)
French (fr)
Other versions
EP0711219A1 (en
Inventor
Gérald RACODON
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.)
D'exploitation Des Ets Racodon Sa Ste
Original Assignee
D'exploitation Des Ets Racodon Sa Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by D'exploitation Des Ets Racodon Sa Ste filed Critical D'exploitation Des Ets Racodon Sa Ste
Publication of EP0711219A1 publication Critical patent/EP0711219A1/en
Application granted granted Critical
Publication of EP0711219B1 publication Critical patent/EP0711219B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D3/00—Hand chisels
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/12—Hand grips, preformed and semi-permanent

Definitions

  • the invention relates to the technical sector of tooling and in particular tools to strike such as in particular pin punch.
  • guards carried out in the form of a flange or cup having a central opening allowing tool engagement and attaching to it with lips likely to engage in a flange or groove circular formed on the tool body. This type of guard has for function only to protect the hand of the user.
  • the aim sought after according to the invention was therefore to design a new device which allows a good grip of the tool, and which absorbs vibrations due to the forces of aforementioned strikes.
  • Another goal was to design a device simple, low cost and which can be adapted to any section of the tool body.
  • the device for grip adapting to striking tools of the type comprising a plastic sleeve engaging on the body of the tool is remarkable in that it includes a plastic sleeve having flexibility in its structure, and comprising a plurality of ring shapes, of large diameter, interconnected by forms of connection of smaller section by defining a bellows structure and undulations, and in that, at the place of each connection between the rings, is provided a circular inner projection bearing against the body of the tool, and in that the sleeve has at least an inner collar capable of engaging and clipping to the interior of at least one circular groove formed in the tool body.
  • the device according to the invention is designed and produced under the shape of a plastic sleeve (1) having a flexibility in its structure to allow its deformation.
  • This sleeve is established over a long length and it includes the along it a plurality of ring shapes (1.1) of large diameter interconnected by connecting forms (1.2) of smaller section, the assembly defining a bellows structure with undulations.
  • an internal projection circular (1.3) capable of coming to bear against the body of the tool.
  • an inner collar (1.4) which is likely to come engage and clip inside at least one groove circular (2.1) formed in the body (2) of the tool. This flange forming lip is clipped into the groove in thus ensuring perfect holding of the device.
  • the device according to the invention by its structure and its forms, by the bellows effect the absorption of shocks due to impact forces causing the deformation of the sleeve either by elongation or by compression, and by sliding on the tool body.
  • the sleeve has a guard shape in its head part protection of the user's hand, having a cross-section diametral suitable for ensuring such a function.
  • said head may have a complementary connection zone with the front part of the striking tool, opposite its zone useful contact with the part to be struck.
  • the sleeve can have all or part of its length a granite coating obtained by soaking in a bath appropriate.
  • the sleeve according to the invention can be applied to any tool striking, such as pin punch or other, chisel or other, and be of all sections in diameter and length.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

L'invention se rattache au secteur technique de l'outillage et notamment des outils à frapper tels que notamment les chasse-goupilles.The invention relates to the technical sector of tooling and in particular tools to strike such as in particular pin punch.

Il est connu de disposer sur de tels outils qui sont maintenus manuellement de disposer des formes en poignées en matériau rigide, facilitant la préhension par l'utilisateur. Ces formes en poignées sont établies sous forme de manchons en matériau plastique ayant une grande rigidité et fixés par collage ou autre sur le corps de l'outil. On a par exemple décrit dans le document US-A-3 763 865 un outil dont le corps est recouvert, par collage, d'un Manchon semi-rigide présentant des ondulations periphériques.It is known to have such tools which are maintained manually to have shapes in handles in rigid material, facilitating gripping by the user. These forms in handles are established in the form of sleeves in plastic material with high rigidity and fixed by gluing or the like on the body of the tool. We have for example described in document US-A-3,763,865 a tool whose body is covered, by gluing, with a semi-rigid sleeve having peripheral ripples.

On connaít également par le document FR-A-2 437 352 des gardes réalisées sous forme d'un flasque ou coupelle ayant une ouverture centrale permettant l'engagement de l'outil et se fixant à celui-ci à l'aide de lèvres susceptibles de s'engager dans une collerette ou rainure circulaire formée sur le corps de l'outil. Ce type de garde a pour fonction uniquement d'assurer la protection de la main de l'utilisateur.We also know by document FR-A-2 437 352 guards carried out in the form of a flange or cup having a central opening allowing tool engagement and attaching to it with lips likely to engage in a flange or groove circular formed on the tool body. This type of guard has for function only to protect the hand of the user.

En pratique, la multiplication des frappes entraíne des vibrations qui sont gênantes pour l'utilisateur. In practice, the multiplication of strikes leads to vibrations which are troublesome for the user.

Le but recherché selon l'invention était donc de concevoir un nouveau dispositif qui permette une bonne préhension de l'outil, et qui assure l'amortissement des vibrations dues aux efforts de frappe précités.The aim sought after according to the invention was therefore to design a new device which allows a good grip of the tool, and which absorbs vibrations due to the forces of aforementioned strikes.

Un autre but recherché était de concevoir un dispositif simple, de faible coût de revient et qui puisse s'adapter sur toute section du corps de l'outil.Another goal was to design a device simple, low cost and which can be adapted to any section of the tool body.

Ces buts et d'autres encore ressortiront bien de la suite de la description.These and other goals will emerge well from the rest of the description.

Selon une première caractéristique, le dispositif de préhension s'adaptant sur des outils de frappe du type comprenant un manchon en matière plastique s'engageant sur le corps de l'outil, est remarquable en ce qu'il comprend un manchon en matière plastique présentant une souplesse dans sa structure, et comprenant une pluralité de formes en anneaux, de grand diamètre, reliées entre elles par des formes de liaison de section plus réduite en définissant une structure en soufflet et ondulations, et en ce que, à l'endroit de chaque liaison entre les anneaux, est prévue une saillie intérieure circulaire venant en appui contre le corps de l'outil, et en ce que le manchon présente au moins une collerette intérieure susceptible de s'engager et se clipser à l'intérieur d'au moins une rainure circulaire formée dans le corps de l'outil. According to a first characteristic, the device for grip adapting to striking tools of the type comprising a plastic sleeve engaging on the body of the tool, is remarkable in that it includes a plastic sleeve having flexibility in its structure, and comprising a plurality of ring shapes, of large diameter, interconnected by forms of connection of smaller section by defining a bellows structure and undulations, and in that, at the place of each connection between the rings, is provided a circular inner projection bearing against the body of the tool, and in that the sleeve has at least an inner collar capable of engaging and clipping to the interior of at least one circular groove formed in the tool body.

Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These and other features will emerge well from the rest of the description.

Pour fixer l'objet de l'invention illustré non limitativement aux figures des dessins où :

  • La figure 1 est une vue du dispositif avant montage selon l'invention adapté sur un outil de frappe dénommé "chasse-goupille".
  • La figure 2 est une vue après montage selon la figure 1 du dispositif lors des opérations de frappe.
  • La figure 3 est une vue en coupe selon la ligne A-A de la figure 2.
  • Les figures 4 et 5 sont des vues montrant la déformation en compression et en allongement du manchon par rapport à son état en cas de non sollicitation.
    • To fix the subject of the invention illustrated without limitation in the figures of the drawings where:
  • Figure 1 is a view of the device before mounting according to the invention adapted on a striking tool called "pin punch".
  • Figure 2 is a view after assembly according to Figure 1 of the device during striking operations.
  • FIG. 3 is a sectional view along the line AA in FIG. 2.
  • Figures 4 and 5 are views showing the compression and elongation deformation of the sleeve relative to its state in the event of non-stress.

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

    Le dispositif selon l'invention est conçu et réalisé sous la forme d'un manchon (1) en matière plastique présentant une souplesse dans sa structure pour permettre sa déformation. Ce manchon est établi sur une grande longueur et il comprend le long de celle-ci une pluralité de formes en anneaux (1.1) de grand diamètre reliées entre elles par des formes de liaison (1.2) de section plus réduite, l'ensemble définissant une structure en soufflet avec ondulations. Intérieurement, à l'endroit de chaque liaison entre les anneaux est prévue une saillie intérieure circulaire (1.3) susceptible de venir en appui contre le corps de l'outil. Ces saillies circulaires sont établies d'une certaine épaisseur et notamment supérieure à la profondeur des zones de liaison (1.2) précitées qui ne sont pas en contact avec le corps de l'outil.The device according to the invention is designed and produced under the shape of a plastic sleeve (1) having a flexibility in its structure to allow its deformation. This sleeve is established over a long length and it includes the along it a plurality of ring shapes (1.1) of large diameter interconnected by connecting forms (1.2) of smaller section, the assembly defining a bellows structure with undulations. Internally, to the place of each connection between the rings is provided an internal projection circular (1.3) capable of coming to bear against the body of the tool. These circular projections are established of a certain thickness and in particular greater than the depth of the zones of above-mentioned link (1.2) which are not in contact with the body of the tool.

    Dans la partie supérieure du dispositif, est prévue au moins une collerette intérieure (1.4) qui est susceptible de venir s'engager et se clipser à l'intérieur d'au moins une rainure circulaire (2.1) formée dans le corps (2) de l'outil. Cette collerette formant lèvre vient se clipser dans la rainure en assurant ainsi une parfaite tenue du dispositif.At least in the upper part of the device an inner collar (1.4) which is likely to come engage and clip inside at least one groove circular (2.1) formed in the body (2) of the tool. This flange forming lip is clipped into the groove in thus ensuring perfect holding of the device.

    Le dispositif selon l'invention, de par sa structure et ses formes, permet par l'effet de soufflet l'absorption des chocs dus aux efforts de frappe en provoquant la déformation du manchon soit par allongement, soit par compression, et en coulisant sur le corps de l'outil.The device according to the invention, by its structure and its forms, by the bellows effect the absorption of shocks due to impact forces causing the deformation of the sleeve either by elongation or by compression, and by sliding on the tool body.

    Le manchon présente dans sa partie tête une forme en garde de protection de la main de l'utilisateur, ayant une section diamétrale appropriée pour assurer une telle fonction. En outre, ladite tête peut présenter une zone de liaison complémentaire avec la partie avant de l'outil de frappe, à l'opposé de sa zone utile de contact avec la pièce à frapper.The sleeve has a guard shape in its head part protection of the user's hand, having a cross-section diametral suitable for ensuring such a function. In addition, said head may have a complementary connection zone with the front part of the striking tool, opposite its zone useful contact with the part to be struck.

    Le manchon peut présenter sur tout ou partie de sa longueur un revêtement granité obtenu par trempage dans un bain approprié.The sleeve can have all or part of its length a granite coating obtained by soaking in a bath appropriate.

    Le manchon selon l'invention peut s'appliquer sur tout outil de frappe, tel que chasse-goupille ou autre, burin ou autre, et être de toutes sections en diamètre et longueur.The sleeve according to the invention can be applied to any tool striking, such as pin punch or other, chisel or other, and be of all sections in diameter and length.

    Claims (6)

    1. Gripping device that can be adapted for percussion tools of the type comprising a sleeve tube made of plastic that fits onto the body of the tool characterised in that it comprises a plastic sleeve tube (1) that is structurally flexible and comprises a plurality of large-diameter annular shapes (1.1) linked to each other by connecting shapes (1.2) of smaller cross-section that define a bellows structure with undulations, and in that, at the location of each connection between rings, an internal circular projection (1.3) is provided that presses against the body of the tool, and in that the sleeve tube has at least one internal collar (1.4) capable of fitting and clipping inside at least one circular groove (2.1) formed on the body of the tool.
    2. Device as claimed in claim 1, characterised in that the sleeve tube extends in a top-end shape that constitutes a protective guard.
    3. Device as claimed in claim 1, characterised in that the bellows part of said sleeve tube is capable of deformation in elongation or compression and slides along the body of the percussion tool.
    4. Device as claimed in claim 3, characterised in that the internal circular projections (1.3) have a certain thickness which exceeds the depth of the connecting areas (1.2) and interconnecting areas between them that are not in contact with the body of the tool.
    5. Device as claimed in claim 1, characterised in that the sleeve tube has a granite fabric covering over all or part of its length.
    6. Device as claimed in claim 2, characterised in that the extension of the sleeve tube forming a top end has an additional area for fixing onto the body of the tool.
    EP95920144A 1994-05-24 1995-05-16 Device for gripping and absorbing shocks in stamping tools Expired - Lifetime EP0711219B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR9406639 1994-05-24
    FR9406639A FR2720314B1 (en) 1994-05-24 1994-05-24 Gripping and shock absorbing device on striking tools.
    PCT/FR1995/000630 WO1995032077A1 (en) 1994-05-24 1995-05-16 Device for gripping and absorbing shocks in stamping tools

    Publications (2)

    Publication Number Publication Date
    EP0711219A1 EP0711219A1 (en) 1996-05-15
    EP0711219B1 true EP0711219B1 (en) 1999-01-13

    Family

    ID=9463714

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95920144A Expired - Lifetime EP0711219B1 (en) 1994-05-24 1995-05-16 Device for gripping and absorbing shocks in stamping tools

    Country Status (8)

    Country Link
    US (1) US5730231A (en)
    EP (1) EP0711219B1 (en)
    JP (1) JP3522282B2 (en)
    AU (1) AU2571295A (en)
    DE (1) DE69507262T2 (en)
    ES (1) ES2126281T3 (en)
    FR (1) FR2720314B1 (en)
    WO (1) WO1995032077A1 (en)

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    US6948647B1 (en) 2004-05-25 2005-09-27 Black & Decker Inc. Anti-slip shingle grip for fastening tool

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    US20050028653A1 (en) * 2003-08-08 2005-02-10 Chih-Ching Hsien Hand tool having an adjustable holding portion
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    GB0822571D0 (en) * 2008-12-11 2009-01-14 Houghton Benjamin A Improved handle
    IT1394729B1 (en) * 2009-07-08 2012-07-13 Delfino MANUAL TOOL FOR STONE MATERIAL AND MAZZETTA FOR SUCH TOOL
    FR2956830B1 (en) 2010-02-26 2012-04-06 Bruno Racodon HANDLE FOR HAND-ROCKING TOOLS
    US20120211020A1 (en) * 2011-02-22 2012-08-23 Julius Garcia Helical hair tie
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    US9700703B2 (en) * 2013-02-26 2017-07-11 Coeur, Inc. Guidewire insertion tool
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    KR101533598B1 (en) * 2013-12-05 2015-07-03 (주)삼미통상 Dual cookware having improved stability and heat efficiency
    KR101563547B1 (en) 2014-01-27 2015-11-06 문경선 grip
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    US9630311B2 (en) * 2014-12-23 2017-04-25 Charlie Creelman Pistol grip attachment for use with a paintbrush
    US11234899B2 (en) * 2017-05-11 2022-02-01 Scalpal Llc Grasping facilitators and uses thereof and kits involving the same
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    Publication number Priority date Publication date Assignee Title
    US6948647B1 (en) 2004-05-25 2005-09-27 Black & Decker Inc. Anti-slip shingle grip for fastening tool
    US7210607B2 (en) 2004-05-25 2007-05-01 Black & Decker Inc. Anti-slip shingle grip for fastening tool

    Also Published As

    Publication number Publication date
    ES2126281T3 (en) 1999-03-16
    AU2571295A (en) 1995-12-18
    US5730231A (en) 1998-03-24
    DE69507262D1 (en) 1999-02-25
    FR2720314A1 (en) 1995-12-01
    JP3522282B2 (en) 2004-04-26
    WO1995032077A1 (en) 1995-11-30
    FR2720314B1 (en) 1996-07-05
    EP0711219A1 (en) 1996-05-15
    JPH10508257A (en) 1998-08-18
    DE69507262T2 (en) 1999-05-27

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