EP2845692B1 - Griff für Handschlagwerkzeug, Handschlagwerkzeug und Herstellungsverfahren eines Handschlagwerkzeugs - Google Patents

Griff für Handschlagwerkzeug, Handschlagwerkzeug und Herstellungsverfahren eines Handschlagwerkzeugs Download PDF

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Publication number
EP2845692B1
EP2845692B1 EP14354004.5A EP14354004A EP2845692B1 EP 2845692 B1 EP2845692 B1 EP 2845692B1 EP 14354004 A EP14354004 A EP 14354004A EP 2845692 B1 EP2845692 B1 EP 2845692B1
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EP
European Patent Office
Prior art keywords
handle
hand
striking
connection system
striking tool
Prior art date
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Active
Application number
EP14354004.5A
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English (en)
French (fr)
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EP2845692A3 (de
EP2845692A2 (de
Inventor
Frédéric Gilbert Descombes
Chris Thelisson
Serge Gouverneur
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.)
Fiskars France SAS
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Fiskars France SAS
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Filing date
Publication date
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Publication of EP2845692A2 publication Critical patent/EP2845692A2/de
Publication of EP2845692A3 publication Critical patent/EP2845692A3/de
Application granted granted Critical
Publication of EP2845692B1 publication Critical patent/EP2845692B1/de
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Classifications

    • 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
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener

Definitions

  • the invention relates to a handle for striking tool, and to the corresponding manufacturing method.
  • a handle for a striking tool is described in FR 2 873 053 A1 .
  • Hand-held tools such as hammers, hammers, weights or merlins are conventionally provided with a handle and a hammerhead.
  • a handle and a hammerhead When the user makes use of this kind of tool, it is subjected to the vibration of the handle at the moment when the strike head impacts the struck object. Therefore, if the user repeatedly uses typing tools, he or she may be subject to musculoskeletal disorders such as Carpal Tunnel Syndrome or Guyon's Syndrome, or loss of sensation at the fingertips. like Raynaud's syndrome.
  • the handle comprises a body having a strike end corresponding to an end zone.
  • the handle also includes a connection system configured to remotely surround the terminal area of the body so as to define a space between the connection system and the body.
  • the connection system further comprises at least one body access hole on each end face in the end zone of the body.
  • the handle further comprises at least two fasteners, configured to be inserted into the holes of the connection system, and mechanically connect a striking head to the body.
  • the fasteners comprise a front face of a shape substantially complementary to that of the body.
  • the members are also preferably positioned on a vibration node of the handle during the strike. the space between the body and the connection system defines a functional game.
  • at least one damping piece can be configured to be placed in the space between the end zone of the body and the connection system.
  • the fastening system may comprise a bushing configured to house the end zone of the body.
  • the fastening system may also include a sleeve configured to be connected to the inner wall of the socket.
  • the body may advantageously comprise a core and a sheath surrounding the core.
  • the sheath may comprise at least two holes placed facing the holes of the connection system, and wherein the fasteners are intended to mechanically connect the core to the striking head.
  • the handle may also comprise a first additional sheath covering the sheath and having a hardness of between 55 and 80 Shore A, the first sheath additional being itself covered with a second additional sheath having a hardness of between 35 and 50 Shore A.
  • the invention also relates to hand-typing tools provided with a handle comprising one or more of the features just mentioned.
  • the fact that the core and the sheath are in contact in the gripping zone of the tool advantageously makes it possible to limit the transmission of vibrations of between 500 and 1000 Hz, which generates a loss of sensation at the end of the fingers.
  • the transmission of vibrations is even more attenuated with the presence of the first and second additional sheaths.
  • FIG. 1 there is shown an exploded view of various elements present in a particular embodiment of a handle 1 of typing tool.
  • This handle 1 is formed here: of a body comprising a core 2 and a sheath 3, a connection system comprising a sleeve 4 and a sleeve 5, and two fasteners 6.
  • the handle 1 could very well be made without the sleeve 4.
  • the body also includes a so-called "striking end" which corresponds to an end zone 9 of the handle, as will be seen later.
  • the front faces of the various elements are defined as those of the type represented on the figure 2 , in opposition to the lateral faces which are visible only on the figure 1 .
  • the core 2 preferably extends over the entire length of the handle 1.
  • the front faces of the core 2 have, in a specific embodiment, a particular shape.
  • Each front face has three grooves 7a, 7b, and 7c (cf. Fig. 3 and 4 ), which has the effect of limiting the vibrations of the handle when typing.
  • the grooves are symmetrical along planes of symmetry passing through the middle of the end faces and / or the middle of the lateral faces.
  • the core 2 is preferably made of a composite material, for example by pultrusion of glass or carbon son impregnated with thermosetting resin.
  • the core 2 and the cavity of the sheath 3 have complementary shapes, so that the sheath is in contact with the entire wall of the core 2.
  • the sheath 3 is advantageously made of a material having a hardness range less than that of the core material 2. It may be a plastics material having a hardness of between 60 and 80 Shore D, for example polypropylene.
  • the sheath 3 advantageously has a frustoconical outer shape.
  • the sheath 3 may have a different external shape, for example a truncated pyramid shape.
  • the sheath 3 has a first end having a minimum section, and a second end having a maximum section, the section of the sheath 3 being continuously increasing.
  • the sheath 3 covers at least partly the core 2, and preferably the entire core 2. It is also provided with a cavity opening on at least one face so that the core 2 can be inserted therein. Moreover, the thickness of the sheath 3 is preferably in a range of between 1 mm and 5 mm.
  • first additional sheath advantageously has a hardness of between 50 and 80 Shore A
  • second additional sheath advantageously has a hardness of between 35 and 50 Shore A.
  • the hardness of the materials of the additional sheaths is chosen to attenuate the waves. vibration.
  • the thickness of the sheath 3 and the fact of superimposing several sheaths to each other have the advantage of limiting the transmission of vibrations of frequencies between 500 and 1000 Hz and which are responsible for loss of sensation at the end of fingers.
  • the contact between the core 2 and the sheath 3 also reduces the vibrations in this frequency range.
  • the sheath 3 may have an end zone 9 of outside diameter smaller than the adjacent zone of the sheath 3, to form a shoulder 10. It can therefore be located at the junction between a gripping end 8 and the end zone 9 of the sheath 3.
  • the shoulder 10 is preferably configured to form two notches 11 arranged for example on side faces of the sheath 3. Preferably, the notches 11 are diametrically opposed.
  • the outer wall of the end zone 9 advantageously comprises lugs 12 on the lateral faces, for example four lugs in this embodiment.
  • the end zone 9 of the sheath 3 further comprises at least two holes 13 positioned on each end face, each hole 13 can be configured to access the core 2. In this way, the holes are placed along an axis perpendicular to the axis typing when the user uses the tool.
  • the end zone 9 of the sheath 3 is covered by the connection system comprising the sleeve 4 and the sleeve 5.
  • the sleeve 4 is preferably a piece of constant section, so that there is a space between the sleeve 4 and the end zone 9 of the sheath 3.
  • the connection system is configured to remotely surround the terminal area 9 of the body, so that there is a gap between the connection system and the body.
  • the distance separating the sleeve 4 from the end zone 9 of the sheath 3 measures a few millimeters, and is preferably less than 5 mm.
  • the lugs 12 are configured so that the distance separating them from the wall of the sleeve 4 is of the order of 1 mm.
  • the sleeve 4 is free to move relative to the end zone 9 of the sheath 3, in particular according to the striking direction and in the direction perpendicular to the strike direction.
  • one of the ends of the sleeve 4 has a shape complementary to that of the shoulder 10 of the sheath 3. More specifically, the lateral faces of the sleeve 4 are provided with projecting portions 4 complementary to the notches 11 of the sheath. 3. In this way, the end of the sleeve 4 matches the shape of the shoulder 10 of the sheath 3, which limits the displacement of the sleeve 4 along the longitudinal axis of the handle 1.
  • the space between the sheath 3 and the sleeve 4 remains empty. It corresponds to a functional game 20 for damping vibrations.
  • the space can be filled by at least one damping piece 21, preferably two diametrically opposed damping pieces 21 located on the lateral faces, while the end faces are left free to allow the insertion of the fasteners 6.
  • the damping parts 21 are advantageously made of a soft material having a hardness of between 30 and 50 Shore A. This corresponds for example to the hardness of an elastomer.
  • the space between the sheath 3 and the sleeve 4 corresponds to a functional clearance 20, or that it is filled by one or more damping parts 21, this greatly attenuates the vibrations transmitted from the core 2 to the sheath. 3, and therefore to the user.
  • the sleeve 4 is movably mounted relative to the handle 1 according to the strike direction, so that the striking energy is supplied to the striking head mainly during the impact.
  • the sleeve 4 is also provided with at least two holes 15, one on each front face.
  • the holes 15 are located facing the holes 13 of the end zone 9 of the sheath 3, so that each hole 15 is associated with a hole 13 in order to insert the fastening members 6.
  • connection system comprises at least one body access hole on each end face in the end zone of the body.
  • the sleeve 4 is advantageously made of a material such as a metal, having a hardness range of between 30 and 60 Rockwell C. Covering the end zone 9 of the sheath 3 with the sleeve 4 makes it possible to increase the resistance the striking force of the striking tool.
  • the range of hardness of the material of the sleeve 4 is also judiciously chosen so that the resistance to the striking force of a sleeve 1 provided with a sleeve 4 is higher than that of a handle 1 having no sleeve 4.
  • the sleeve 4 is advantageously covered with the sleeve 5, the latter being hollow in particular to be able to introduce the sleeve 4.
  • the inner wall of the sleeve 5 preferably has a constant section, and a shape similar to that of the sleeve 4, for that the sleeve 5 and the sleeve 4 are in continuous radial contact over the entire perimeter of the sleeve 4.
  • the sleeve 4 and the sleeve 5 can advantageously be part of a connection system positioned on the handle 1, and on which is placed the head of typing.
  • the connection system can be operational without the sleeve 4.
  • a mallet using, for example, a handle 1 whose connection system is provided with a simple socket 5.
  • a mass is advantageously provided with a handle 1 whose connection system comprises both a sleeve 5 and a sleeve 4.
  • the outer wall of the sleeve 5 has a shape similar to that of the sheath 3, and in the embodiment illustrated in the figures, its section is continuously increasing. More specifically, the shape of the sleeve 5 is frustoconical and the edge of the sleeve 5 has a shape complementary to that of the shoulder 10. It may also include a projecting portion 17 on each side face.
  • the thickness of the shoulder 10 is advantageously adjusted to be substantially identical to the sum of the thickness of the sleeve 4 and the sleeve 5.
  • the wall outer handle 1 is substantially smooth, which facilitates cleaning and limits the risk of injury.
  • the bushing 5 has at least two holes 16 located on each end face, the holes 16 being located opposite the holes 15 and the holes 13 to be able to embed the fasteners 6.
  • composition of the sleeve 5 it is advantageously manufactured in a soft material having a range of hardness for example between 60 and 80 Shore D. Like the sheath 3, it may be a plastic material such as polypropylene.
  • the range of hardness chosen for the manufacture of the socket 5 allows both the socket 5 to be recessed by force in a striking head, and absorb some of the vibrations transmitted by the striking head to the handle 1.
  • the fasteners 6 are advantageously configured to be inserted into the holes 15 and 16 of the connection system, to mechanically connect a striking head (not shown) to the body in a direction orthogonal to the axis. typing.
  • the fasteners 6 are inserted into the holes 13, 15, and 16 and are configured to mechanically connect the striking head to the core 2, to limit the vibrations of the handle 1 when typing. A part of the fasteners 6 protrudes outside the handle 1, this part being in contact with the striking head.
  • the portion of the fasteners 6 projecting outside the sleeve 1 is advantageously greater than the distance between the sheath 3 of the sleeve 4. In this way, the fasteners 6 prevent the separation of the sleeve 4 and the sheath 3.
  • the fasteners 6 comprise end faces 18 and 19 which may have a particular shape.
  • the faces 18 in contact with the core 2 advantageously have a shape complementary to that of the end faces of the core 2, and the end faces 19 protruding outside the handle 1 have in turn a shape complementary to the cavities located in the head of striking, as will be seen later.
  • the thickness of the fasteners 6 is equal to the distance separating the end faces of the core 2 from the bottom of the cavity of the head of typing. In this way, there is no play between the striking head and the core 2, which limits an efficient transmission of vibrations.
  • the fasteners 6 are advantageously positioned on the end faces of the handle 1, that is to say on an axis orthogonal to the strike axis. Placing the fasteners 6 orthogonal to the strike axis limits the transmission of vibrations.
  • the fasteners 6 are advantageously placed in an area corresponding to a vibration node of the handle 1.
  • this creates a rupture of the vibration bridge, which means that when the user uses the striking tool, the vibrations are transmitted little to the sheath 3 and therefore to the user. This is especially true for vibrations below 500Hz that cause wrist and elbow disorders.
  • the fasteners 6 are advantageously made of a material such as a metal, and their hardness is for example in a range from 30 to 60 Rockwell C.
  • the handle 1 in the striking head has a hole opening on two opposite faces, preferably on the lower and upper faces of the striking head, as opposed to its front and side faces.
  • the hole of the striking head advantageously has a shape complementary to that of the handle 1, and has a slightly smaller section, so that the handle 1 is forced into the hammer head.
  • the through hole has a minimum section entry and a maximum section entry.
  • the parts of the fasteners 6 protruding outside the handle 1 are then positioned in abutment within the hole of the striking head.
  • the advantageously frustoconical shapes of the handle 1 and the hole of the striking head make it possible to compress the fixing members 6 on the core when the handle 1 is moved inside the striking head toward the end of the smaller section of the head. hole.
  • the purpose of the fastening members 6 is notably to prevent the separation of the striking head and the handle 1.
  • the sheath 3 can advantageously be overmolded around the core by polypropylene injection. In this way, the core 2 and the sheath 3 are in contact and form the body of the handle 1.
  • the body of the handle 1 is first introduced into the striking head.
  • the shoulder 10 of the sheath is configured to have a smaller section than the minimum section inlet of the hole of the striking head.
  • the end zone 9 of the other end of the striking head is then passed, that is to say on the side where the inlet has a maximum section.
  • the sleeve 5 is also pre-positioned over the sleeve 4.
  • the connection system comprising the sleeve 4 is then positioned. socket 5 on the end zone 9 of the sheath 3, so that the connection system is in abutment against the shoulder 10 of the sheath 3.
  • the fasteners 6 are inserted into the holes 13, 15 and 16 of the sheath 3, the sleeve 4 and the sleeve 5 respectively, until they come into contact with the core 2.
  • the handle 1 is then pushed into the hole of the striking head in the direction of the entry of smaller section, until on the one hand the sleeve 4 and the sleeve 5 are embedded in the hole of the head of the head. strikes, and secondly the fasteners 6 are wedged between the core 2 and the hole of the striking head. This operation can in particular be carried out with the help of a press.
  • the striking end of the handle 1 preferably having a larger section than the section of the hole of the striking head, it follows that the handle 1 is held in force in the striking head. This allows for a solid mounting of both parts, and avoids unwanted disassembly.

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

Claims (14)

  1. Griff (1) für ein Handschlagwerkzeug, der umfasst:
    • einen Körper (2, 3), der ein Schlagende hat, das einem Endbereich (9) entspricht,
    • ein Verbindungssystem (4, 5), das so vorgesehen ist, dass es den Endbereich (9) des Körpers (2, 3) mit Abstand umgibt, sodass zwischen dem Verbindungssystem (4, 5) und dem Körper (2, 3) ein Zwischenraum gebildet wird, welcher Zwischenraum ein funktionelles Spiel bildet oder ein Dämpfungselement (21) umfasst, wobei das Verbindungssystem (4, 5) auf jeder Vorderseite im Endbereich (9) des Körpers (2, 3) mindestens eine Zugangsöffnung (15, 16) zum Körper (2, 3) umfasst,
    dadurch gekennzeichnet, dass der Griff mindestens zwei Befestigungselemente (6) umfasst, die zum Einsetzen in die Öffnungen (15, 16) des Verbindungssystems (4, 5) und zum mechanischen Verbinden eines Schlagkopfs mit dem Körper (2, 3) gemäß einer zur Schlagachse orthogonalen Richtung vorgesehen sind.
  2. Griff (1) für ein Handschlagwerkzeug nach Anspruch 1, bei dem die Befestigungselemente (6) eine Vorderseite (18) mit zur Form des Körpers (2, 3) im Wesentlichen komplementärer Form haben.
  3. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 1 oder 2, bei dem die Befestigungselemente (6) beim Schlagen an einem Vibrationsknoten des Griffs (1) positioniert sind.
  4. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 1 bis 3, bei dem das Verbindungssystem (4, 5) eine Hülse (5) umfasst, die dazu vorgesehen ist, den Endbereich (9) des Körpers (2, 3) aufzunehmen.
  5. Griff (1) für ein Handschlagwerkzeug nach Anspruch 4, bei dem das Verbindungssystem (4, 5) ferner eine Muffe (4) umfasst, deren Härte stärker ist als die der Hülse (5), und die vorgesehen ist, mit der Innenwand der Hülse (5) verbunden zu werden.
  6. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 1 bis 5, bei dem der Körper (2, 3) einen Kern (2) und ein Futteral (3) umfasst, das den Kern (2) umgibt.
  7. Griff (1) für ein Handschlagwerkzeug nach Anspruch 6, bei dem das Futteral (3) mindestens zwei Öffnungen (13) aufweist, die gegenüber den Öffnungen (15, 16) des Verbindungssystems (4, 5) platziert sind, und bei dem die Befestigungselemente (6) dazu bestimmt sind, den Kern (2) mechanisch mit dem Schlagkopf zu verbinden.
  8. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 6 oder 7, bei dem das Material des Kerns (2) aus wärmehärtbarem oder thermoplastischem Verbundmaterial gefertigt ist.
  9. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 6 bis 8, bei dem das Material des Futterals (3) eine Härte von 60 bis 80 Shore D hat.
  10. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 1 bis 9, bei dem das Material der Befestigungselemente (6) eine Härte von 30 bis 60 Rockwell C hat.
  11. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 1 bis 10, bei dem das Material des Dämpfungsstücks eine Härte von 0 bis 50 Shore A hat.
  12. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 4 bis 11, bei dem das Material der Hülse (5) eine Härte von 60 bis 80 Shore D hat.
  13. Griff (1) für ein Handschlagwerkzeug nach einem der Ansprüche 5 bis 12, bei dem das Material der Muffe (4) eine Härte von 30 bis 60 Rockwell C hat.
  14. Verfahren zur Herstellung eines Handschlagwerkzeugs, das einerseits einen Griff (1) mit einem Körper (2, 3) mit einem Endbereich (9) und andererseits einen Schlagkopf umfasst, der eine Öffnung aufweist, die auf zwei entgegengesetzten Seiten mündet und einen Eingang mit minimalem Querschnitt und einen Eingang mit maximalem Querschnitt hat, wobei die Mündungsöffnung eine zum Schlagende des Griffs (1) komplementäre Form hat, Verfahren, das dadurch gekennzeichnet ist, dass es folgende Schritte umfasst:
    • Einsetzen des Endbereichs (9) des Körpers (2, 3) in den Eingang der Öffnung des Schlagkopfes mit minimalem Querschnitt,
    • Führen des Endbereichs (9) des Körpers (2, 3) über den maximalen Querschnitt der Öffnung des Schlagkopfes hinaus,
    • Umgeben eines Endbereichs (9) des Körpers (2, 3) durch ein Verbindungssystem (4, 5) mit Abstand, sodass zwischen dem Verbindungssystem (4, 5) und dem Körper (2, 3) ein Zwischenraum gebildet wird, welcher Zwischenraum ein funktionelles Spiel bildet oder ein Dämpfungselement (21) umfasst, wobei das Verbindungssystem (4, 5) auf jeder Vorderseite im Endbereich (9) des Körpers (2, 3) mindestens eine Zugangsöffnung (15, 16) zum Körper (2, 3) aufweist,
    • Einsetzen mindestens zweier Befestigungselemente (6) in die Öffnungen (15, 16) des Verbindungssystems (4, 5), wobei die Befestigungselemente (6) so vorgesehen sind, dass sie einen Schlagkopf mechanisch mit dem Körper (2, 3) verbinden,
    • festes Verbinden des Verbindungssystems (4, 5) mit den Befestigungselementen (6) in der Öffnung des Schlagkopfs durch Verschieben des Griffs (1) in Richtung auf den minimalen Querschnitt der Öffnung des Schlagkopfs.
EP14354004.5A 2013-02-21 2014-01-31 Griff für Handschlagwerkzeug, Handschlagwerkzeug und Herstellungsverfahren eines Handschlagwerkzeugs Active EP2845692B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1300398A FR3002173B1 (fr) 2013-02-21 2013-02-21 Manche pour outil de frappe a main, outil de frappe a main et procede de fabrication d'un outil de frappe main

Publications (3)

Publication Number Publication Date
EP2845692A2 EP2845692A2 (de) 2015-03-11
EP2845692A3 EP2845692A3 (de) 2015-05-27
EP2845692B1 true EP2845692B1 (de) 2019-03-13

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ID=48083302

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EP14354004.5A Active EP2845692B1 (de) 2013-02-21 2014-01-31 Griff für Handschlagwerkzeug, Handschlagwerkzeug und Herstellungsverfahren eines Handschlagwerkzeugs

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Country Link
US (1) US9296100B2 (de)
EP (1) EP2845692B1 (de)
CA (1) CA2841699C (de)
ES (1) ES2730940T3 (de)
FR (1) FR3002173B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107073699B (zh) * 2014-07-14 2021-08-10 菲斯科尔思品牌有限公司 用于打击工具的减振机构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US255166A (en) * 1882-03-21 Handle-fastener
US2204643A (en) * 1939-06-19 1940-06-18 Hugo A Zeckendorf Tool-head locking device
US3819288A (en) * 1972-01-28 1974-06-25 Nupla Corp Adapter for fiberglass tool handles and other fiberglass connections
US4085784A (en) * 1975-06-26 1978-04-25 Fish Herbert L Impact tool and handle assembly therefor
US4188703A (en) * 1975-06-26 1980-02-19 Fish Herbert L Impact tool, handle assembly therefor, and method of attaching handle to head
US4030847A (en) * 1976-06-10 1977-06-21 Nupla Corporation Adapter for fiberglass tool handles and other fiberglass connections
US4516615A (en) * 1982-03-01 1985-05-14 Taco Products, Incorporated Tool handle attachment
US5056381A (en) * 1990-02-28 1991-10-15 Carmein Joseph A Replacement tool handle, hand tool and method
SE505352C2 (sv) * 1995-09-11 1997-08-11 Hultafors Ab Stötdämpande hammare
TW556636U (en) * 2002-08-09 2003-10-01 Chen Chang Rong Improved shock-proof structure for hammer
FR2873053B1 (fr) * 2004-07-19 2008-01-04 Leborgne Sa Dispositif de montage et de fixation d'un manche a un outil de frappe
FR2969025B1 (fr) 2010-12-21 2013-01-04 Fiskars France Sas Outil de frappe a main permettant de reduire les vibrations, et son procede de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CA2841699C (en) 2021-03-30
US9296100B2 (en) 2016-03-29
EP2845692A3 (de) 2015-05-27
US20140230616A1 (en) 2014-08-21
FR3002173A1 (fr) 2014-08-22
EP2845692A2 (de) 2015-03-11
CA2841699A1 (en) 2014-08-21
ES2730940T3 (es) 2019-11-13
FR3002173B1 (fr) 2015-04-03

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