EP0711219A1 - Device for gripping and absorbing shocks in stamping tools - Google Patents

Device for gripping and absorbing shocks in stamping tools

Info

Publication number
EP0711219A1
EP0711219A1 EP95920144A EP95920144A EP0711219A1 EP 0711219 A1 EP0711219 A1 EP 0711219A1 EP 95920144 A EP95920144 A EP 95920144A EP 95920144 A EP95920144 A EP 95920144A EP 0711219 A1 EP0711219 A1 EP 0711219A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
tool
shapes
ring
engaging
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
EP95920144A
Other languages
German (de)
French (fr)
Other versions
EP0711219B1 (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

Links

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 impact tools such as in particular the punch pins.
  • guards made in the form of a flange or cup having a central opening allowing the engagement of the tool and attaching to it using lips capable of engaging in a circular flange or groove. formed on the tool body. This type of guard has the sole function of ensuring the protection of the user's hand.
  • the gripping device adapting to striking tools of the type comprising a plastic sleeve engaging the body of the tool is remarkable in that it comprises a plastic sleeve having flexibility in its structure, and comprising a plurality of ring shapes, of large diameter, interconnected by connecting shapes of smaller section defining a bellows and corrugation structure, and in that, at the place of each ring is provided with a circular internal projection bearing against the body of the tool, and in that the sleeve has at least one internal flange capable of engaging and clipping inside at least one groove circular formed in the tool body.
  • 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 the striking operations.
  • Figure 3 is a sectional view along line A-A of Figure%.
  • 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.
  • the device according to the invention is designed and produced in the form of a sleeve (1) of plastic material having a flexibility in its structure to allow its deformation.
  • This sleeve is established over a long length and it comprises along it a plurality of ring shapes (1 .1) of large diameter joined together by connecting shapes (1 .2) of smaller section, the assembly defining a bellows structure with undulations.
  • a circular internal projection (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 above-mentioned connecting zones (1.2) which are not in contact with the body of the tool.
  • At least one inner flange (1 .4) is provided which is capable of engaging and clipping inside at least one circular groove (2.1) formed in the body (2 ) of the tool. This lip-forming flange is clipped into the groove, thus ensuring perfect hold of the device.
  • the device according to the invention by its structure and its shapes, allows the bellows effect the absorption of shocks due to the striking forces by causing the deformation of the sleeve either by elongation or by compression, and by sliding on the tool body.
  • the sleeve has in its head part a protective shape of the hand of the user, having an appropriate diametral section to ensure such a function.
  • said head may have a complementary bonding zone with the front part of the striking tool, opposite its useful zone of contact with the part to be struck.
  • the sleeve may have, over all or part of its length, a granite coating obtained by soaking in an appropriate bath.
  • the sleeve according to the invention can be applied to any striking tool, such as a pin punch or the like, chisel or other, and be of any section in diameter and length.

Landscapes

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

Abstract

Gripping device suitable for stamping tools of the type comprising a plastic sleeve fitted to the tool body and characterized by having a plastic sleeve (1) with a flexible structure, and a plurality of ring shapes (1.1), of large diameter, joined together by linking shapes (1.2) with a reduced cross section defining a wavy bellows structure. The gripping device is also characterized in that at the location of each ring, an inner circular projection (1.3) engages with the tool body, and in that the sleeve has at least one one inner collar (1.4) engaging with and snapping into the inside of at least one circular groove (2.1) in the tool body.

Description

DISPOSITIF DE PREHENSION ET D'AMORTISSEMENT DE CHOC SUR DES OUTILS DE FRAPPE DEVICE FOR GRIPPING AND SHOCK ABSORBING ON IMPACT TOOLS
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 impact tools such as in particular the punch pins.
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.It is known to have on such tools which are maintained manually to have forms in handles of rigid material, facilitating the gripping by the user. These forms in handles are established in the form of sleeves of plastic material having a high rigidity and fixed by gluing or other on the body of the tool.
On connaît également 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.There are also known guards made in the form of a flange or cup having a central opening allowing the engagement of the tool and attaching to it using lips capable of engaging in a circular flange or groove. formed on the tool body. This type of guard has the sole function of ensuring the protection of the user's hand.
En pratique, la multiplication des frappes entraîne des vibrations qui sont gênantes pour l'utilisateur. 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.In practice, the multiplication of strikes causes vibrations which are troublesome for the user. The aim sought after according to the invention was therefore to design a new device which allows good gripping of the tool, and which ensures the damping of vibrations due to the aforementioned striking forces.
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 aim sought was to design a simple device, of low cost price and which can be adapted to any section of the body of the tool.
Ces buts et d'autres encore ressortiront bien de la suite de la description.These and other objects will become apparent from the following 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 anneau, 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. Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.According to a first characteristic, the gripping device adapting to striking tools of the type comprising a plastic sleeve engaging the body of the tool, is remarkable in that it comprises a plastic sleeve having flexibility in its structure, and comprising a plurality of ring shapes, of large diameter, interconnected by connecting shapes of smaller section defining a bellows and corrugation structure, and in that, at the place of each ring is provided with a circular internal projection bearing against the body of the tool, and in that the sleeve has at least one internal flange capable of engaging and clipping inside at least one groove circular formed in the tool body. These characteristics and others will emerge clearly from the following description.
Pour fixer l'objet de l'invention illustré non limitativement aux figures des dessins où :To fix the subject of the invention illustrated without limitation in the figures of the drawings where:
La figure 1 est une vue du dispositif avant montage selon l'invention adapté sur un outil de frappe dénommé "chasse-goupille".Figure 1 is a view of the device before mounting according to the invention adapted on a striking tool called "pin punch".
La figure 2 est une vue après montage selon la figure 1 du dispositif lors des opérations de frappe.Figure 2 is a view after assembly according to Figure 1 of the device during the striking operations.
La figure 3 est une vue en coupe selon la ligne A-A de la figure %. 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.Figure 3 is a sectional view along line A-A of Figure%. 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 the 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 anneau 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 in the form of a sleeve (1) of plastic material having a flexibility in its structure to allow its deformation. This sleeve is established over a long length and it comprises along it a plurality of ring shapes (1 .1) of large diameter joined together by connecting shapes (1 .2) of smaller section, the assembly defining a bellows structure with undulations. Internally, at the location of each ring is provided a circular internal projection (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 above-mentioned connecting zones (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 circulaîre (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.In the upper part of the device, at least one inner flange (1 .4) is provided which is capable of engaging and clipping inside at least one circular groove (2.1) formed in the body (2 ) of the tool. This lip-forming flange is clipped into the groove, thus ensuring perfect hold 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 shapes, allows the bellows effect the absorption of shocks due to the striking forces by 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 in its head part a protective shape of the hand of the user, having an appropriate diametral section to ensure such a function. In addition, said head may have a complementary bonding zone with the front part of the striking tool, opposite its useful zone of 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 may have, over all or part of its length, a granite coating obtained by soaking in an appropriate bath.
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 striking tool, such as a pin punch or the like, chisel or other, and be of any section in diameter and length.

Claims

REVENDICATIONS
-1 - 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, caractérisé en ce qu'il comprend un manchon (1 ) en matière plastique présentant une souplesse dans sa structure, et comprenant 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 en définissant une structure en soufflet et ondulations, et en ce que, à l'endroit de chaque anneau, est prévue une saillie intérieure circulaire (1.3) venant en appui contre le corps de l'outil, et en ce que le manchon présente au moins une collerette intérieure (1 .4) susceptible de s'engager et se clipser à l'intérieur d'au moins une rainure circulaire (2.1 ) formée dans le corps de l'outil.-1 - Gripping device adapting to striking tools of the type comprising a plastic sleeve engaging the body of the tool, characterized in that it comprises a plastic sleeve (1) having a flexibility in its structure, and comprising a plurality of ring shapes (1.1), of large diameter, connected together by connecting shapes (1.2) of smaller section defining a bellows and corrugation structure, and in that, at the location of each ring, there is provided a circular inner projection (1.3) bearing against the body of the tool, and in that the sleeve has at least one inner flange (1 .4) capable of engaging and be clipped inside at least one circular groove (2.1) formed in the body of the tool.
-2- Dispositif selon la revendication 1 , caractérisé en ce que le manchon présente en prolongement une forme en tête constituant une garde de protection.-2- Device according to claim 1, characterized in that the sleeve has in extension a head shape constituting a protective guard.
-3- Dispositif selon la revendication 1 , caractérisé en ce que la partie en soufflet dudit manchon est déformable en allongement ou compression, et coulisse le long du corps de l'outil de frappe. -4- Dispositif selon la revendication 3, caractérisé en ce que les saillies intérieures circulaires (1 .3) sont établies d'une certaine épaisseur supérieure à la profondeur des zones de liaison (1 .2) et de raccordement entre elles qui n'ont pas de contact avec le corps de l'outil.-3- Device according to claim 1, characterized in that the bellows portion of said sleeve is deformable in elongation or compression, and slides along the body of the striking tool. -4- Device according to claim 3, characterized in that the circular inner projections (1 .3) are established of a certain thickness greater than the depth of the connection areas (1 .2) and connection between them which n ' have no contact with the tool body.
-5- Dispositif selon la revendication 1 , caractérisé en ce que le manchon présente sur tout ou partie de sa longueur, un revêtement granité.-5- Device according to claim 1, characterized in that the sleeve has over all or part of its length, a granite coating.
-6- Dispositif selon la revendication 2, caractérisé en ce que le prolongement du manchon formant tête présente une zone d'ancrage complémentaire sur le corps de l'outil. -6- Device according to claim 2, characterized in that the extension of the head sleeve has a complementary anchoring zone on 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
FR9406639A FR2720314B1 (en) 1994-05-24 1994-05-24 Gripping and shock absorbing device on striking tools.
FR9406639 1994-05-24
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 true EP0711219A1 (en) 1996-05-15
EP0711219B1 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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Also Published As

Publication number Publication date
EP0711219B1 (en) 1999-01-13
DE69507262D1 (en) 1999-02-25
DE69507262T2 (en) 1999-05-27
FR2720314B1 (en) 1996-07-05
US5730231A (en) 1998-03-24
FR2720314A1 (en) 1995-12-01
JPH10508257A (en) 1998-08-18
WO1995032077A1 (en) 1995-11-30
ES2126281T3 (en) 1999-03-16
AU2571295A (en) 1995-12-18
JP3522282B2 (en) 2004-04-26

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