EP3825082A1 - Hand tool and lighting means carrier for connection with a hand tool - Google Patents

Hand tool and lighting means carrier for connection with a hand tool Download PDF

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Publication number
EP3825082A1
EP3825082A1 EP20207924.0A EP20207924A EP3825082A1 EP 3825082 A1 EP3825082 A1 EP 3825082A1 EP 20207924 A EP20207924 A EP 20207924A EP 3825082 A1 EP3825082 A1 EP 3825082A1
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EP
European Patent Office
Prior art keywords
hand tool
head
lighting means
tool according
handle
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Granted
Application number
EP20207924.0A
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German (de)
French (fr)
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EP3825082B1 (en
EP3825082C0 (en
Inventor
Alexander Wetzel
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Vision Devices GmbH
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Vision Devices GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/08—Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/08—Handle constructions with provision for storing tool elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B23/00—Axes; Hatchets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/008—Leisure, hobby or sport articles, e.g. toys, games or first-aid kits; Hand tools; Toolboxes
    • F21V33/0084—Hand tools; Toolboxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/30—Semiconductor lasers

Definitions

  • the present invention relates to a hand tool, comprising a head connected to a handle, the handle and / or the head being assigned lighting means for illuminating a workpiece and at least one energy store for the electrical supply of the lighting means, as well as a lighting means carrier for connection to a hand tool, wherein the head is a hammer head or an ax or hatchet blade.
  • Such hand tools with lighting elements are already widely known in the prior art. So show the scriptures CN 104416539 A , CN 105215946 A , CN 105666423 A , CN 108436845 A , CN 204322022 U , CN 204471326 U , CN 205237989 U , CN 205852851 U , CN 207344510 U , CN 207616512 U , CN 208930172 U or KR 20160099199 A to various hammers and hatchets, which implement lighting in their handle to enable use in the dark. Such lighting is described in the cited documents as diffuse, that is, it illuminates the entire area surrounding the hand tool in all directions.
  • none of these objects are suitable for supporting the user when striking in such a way that the workpiece is illuminated in particular, or even a striking track is specified which is fed to an illumination. If only manageable points are illuminated, they are only illuminated for a moment in the event of a strike, so that such a point of light is not helpful. With a diffuse lighting, the illumination is weak and does not help for a directed shot.
  • the present invention is based on the object of creating a hand tool in which an improved aiming accuracy and an observation of the workpiece even with poor visibility is made possible, as well as an identically acting lamp carrier that can be connected to a conventional hand tool.
  • a hand tool which is essentially made from a handle and a head, is assigned to the handle, the head or both lighting means which project an elongated light track.
  • This projection takes place in a common plane with the handle and the head, so that a guided movement of the hand tool is sensibly possible in this plane.
  • Such lighting will then discreetly illuminate the entire path of the blow and both specify the path of the blow and enable a good view of the workpiece.
  • the illuminated angle can be at least 90 °, preferably at least 180 ° and particularly preferably at least 270 °, with several illuminants being able to work together to achieve such an angle. These can be attached to the front, front and back of the handle at the same time in order to be able to shine unhindered and at the same time not to hinder the user.
  • Such a solution can particularly preferably be provided on hand tools which are guided in a striking arc, that is to say in particular a hammer, an ax or a hatchet.
  • the head of such a hand tool is a hammer head, an ax blade or a hatchet blade.
  • the lighting means are integrated into the hand tool itself. It will already be Hand tools with a hollow handle are offered if this is made of a sufficiently robust material. Then cavities can be provided in the material to accommodate lighting means, electronic or electrical components and an energy store, which can be received and stowed in the stem, but can also be arranged in a protected manner at the same time.
  • the energy store can either be installed in such a way that a receptacle for the energy store is accessible from the outside, or it can be connected to an externally led charging socket via which the energy store can be supplied with energy.
  • a second embodiment provides that the lighting means and the energy store with the associated electronic or electrical components are arranged in a detachable lighting means carrier.
  • This illuminant carrier can be designed in such a way that it can be assigned to the handle or also to the head of the hand tool.
  • a cover preferably made of an elastic material such as silicone, a cuff with a closure, be it a Velcro fastener, a buckle, loop or the like, or a clip housing that clamps on the due to form and force fit appears for a fastening Stalk or the head of the craft is held.
  • the illuminants, the energy storage device and the electronic and electrical components are exposed to strong vibrations when impacts are carried out, so that it makes sense to reduce the effects of the vibration as much as possible. This can be done by potting the components, for example with epoxy resin.
  • Light-emitting diodes so-called light-emitting diodes or LEDs
  • LEDs can be used as illuminants with some advantage. These are good against shocks secured, as they have no particularly delicate elements but are already largely impact-resistant. The same applies to luminescent elements, which light up due to a chemical reaction when energy is supplied. In principle, however, all lighting means, including glow elements, can be used in the invention.
  • Lasers in particular line lasers, can particularly preferably be used as illuminants. These can particularly well predetermine a shaped light track while deferring the illumination effect in order to enable a straight shot. At least one further laser can be added to this in order to produce a target cross, with further laser lines crossing the first laser line in the plane of the stem and head when they hit the workpiece.
  • the further laser lines move with particular advantage during the stroke, either due to a compensation of the projection angle during the stroke movement, or due to a mechanical adjustment during this.
  • a possibility of specifying and storing a zero position is advantageous for the personalization of the hand tool.
  • the lighting means used such as the laser
  • the invention also relates to the illuminant carrier as a separate unit. This can be assigned to conventional hand tools as required.
  • the lamp carrier as described above relate both to the lamp carrier, which is assigned to the hand tool, and to the separately designed lamp carrier.
  • Figure 1 shows a hand tool 1, which is designed as an ax. It essentially consists of a handle 2 and a head 3, the head 3 being forged and forming a ax blade. Above a typical grip position, an LED 6 is integrated in the handle 2, which, due to an upstream prism, which is not shown in detail here, emits a shaped light track 4.
  • the light track 4 is elongated and aligned in the plane of the handle 2 and the head 3, so that the user sees the entire arc of the stroke illuminated in front of him during a recovery process.
  • a battery compartment 5 is provided, in which an energy storage device, that is to say an accumulator or a battery, is inserted in an exchangeable manner. Electrical components within the handle are encapsulated with an epoxy resin so that the vibration of blows from the ax does not damage the connections between the components as well as the components themselves.
  • FIG. 2 shows an alternative embodiment, which is based on a conventional ax.
  • a sleeve 8, which carries the necessary electronic components, is attached to the handle 2.
  • These are particular a line laser 7 as a variant for using an LED 6, as well as an energy store, which supplies the line laser 7 with energy and the additional electrical and electronic components required for this.
  • the line laser 7 works in accordance with the LED 6 in that it projects a shaped light track in the plane of the handle 2 and the head 3 of the hand tool 1.
  • the cuff 8 can be fastened and released with the aid of fasteners 9, which are designed here as fastening straps that are placed around the handle 2 and tightened. This enables both an optional operation of the hand tool 1 with or without the invention and, in particular, a retrofitting of the invention to conventional hand tools 1.
  • a hand tool is thus described above, in which an improved aiming accuracy and an observation of the workpiece is made possible even with poor visibility, as well as a lamp carrier with the same effect for connection to a hand tool.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

Es ist aus dem Stand der Technik bereits bekannt, Handwerkzeuge mit einer Beleuchtung zu versehen, um ein Arbeiten mit dem jeweiligen Handwerkzeug auch bei ungünstigen Lichtverhältnissen zu ermöglichen. Hierzu sind derartigen Handwerkzeugen an unterschiedlichen Positionen, insbesondere an deren Stiel oder Kopf, diffuse Lichtquellen zugeordnet, welche die Umgebung ausleuchten sollen. Eine zielgerichtete Beleuchtung des Werkstücks, oder gar eine Unterstützung der Ausrichtung des Handwerkezugs während des Schlags wird dadurch aber nicht geleistet.Vor diesem Hintergrund sieht die vorliegende Erfindung vor, eine geformte Leuchtspur zu projizieren, welche während der gesamten Schlagbewegung das Werkstück ausleuchtet. Eine solche Lösung sieht wenigstens ein Leuchtelement vor, welches mit dem Handwerkzeug verbunden ist und eine geformte Leuchtspur projizieren kann.It is already known from the prior art to provide hand tools with lighting in order to enable work with the respective hand tool even under unfavorable lighting conditions. For this purpose, such hand tools are assigned to different positions, in particular to their handle or head, diffuse light sources which are intended to illuminate the surroundings. A targeted illumination of the workpiece, or even a support for the alignment of the hand tool during the impact, is not provided by this. Against this background, the present invention provides for projecting a shaped tracer, which illuminates the workpiece during the entire impact movement. Such a solution provides at least one luminous element which is connected to the hand tool and can project a shaped luminous track.

Description

Die vorliegende Erfindung betrifft ein Handwerkzeug, umfassend einen mit einem Stiel verbundenen Kopf, wobei dem Stiel und/oder dem Kopf Leuchtmittel zur Ausleuchtung eines Werkstücks sowie wenigstens ein Energiespeicher zur elektrischen Versorgung der Leuchtmittel zugeordnet sind, sowie einen Leuchtmittelträger zur Verbindung mit einem Handwerkzeug, wobei es sich bei dem Kopf um einen Hammerkopf oder eine Axt- oder Beilklinge handelt.The present invention relates to a hand tool, comprising a head connected to a handle, the handle and / or the head being assigned lighting means for illuminating a workpiece and at least one energy store for the electrical supply of the lighting means, as well as a lighting means carrier for connection to a hand tool, wherein the head is a hammer head or an ax or hatchet blade.

Derartige Handwerkzeuge mit Beleuchtungselementen sind im Stand der Technik bereits vielfach bekannt. So weisen die Schriften CN 104416539 A , CN 105215946 A , CN 105666423 A , CN 108436845 A , CN 204322022 U , CN 204471326 U , CN 205237989 U , CN 205852851 U , CN 207344510 U , CN 207616512 U , CN 208930172 U oder KR 20160099199 A auf diverse Hämmer und Beile hin, welche eine Beleuchtung in ihrem Griff realisieren, um eine Nutzung im Dunkeln zu ermöglichen. Eine solche Beleuchtung wird in den genannten Schriften als diffus beschrieben, leuchtet also die gesamte Umgebung des Handwerkzeugs in alle Richtungen aus.Such hand tools with lighting elements are already widely known in the prior art. So show the scriptures CN 104416539 A , CN 105215946 A , CN 105666423 A , CN 108436845 A , CN 204322022 U , CN 204471326 U , CN 205237989 U , CN 205852851 U , CN 207344510 U , CN 207616512 U , CN 208930172 U or KR 20160099199 A to various hammers and hatchets, which implement lighting in their handle to enable use in the dark. Such lighting is described in the cited documents as diffuse, that is, it illuminates the entire area surrounding the hand tool in all directions.

Ein geringerer Effekt der Ausleuchtung wird hingegen erzielt durch die CN 103737555 A , CN 201565927 U , CN 201849415 U , JPH 10201439A oder FR 2 626 698 A2 , bei denen es sich um Sicherheitswerkzeuge handelt, mithin um Hämmer zum Einschlagen von Fahrzeugscheiben im Notfall, um etwa einen verunfallten Bus oder Zug durch das eingeschlagene Fenster zu verlassen. Derartige Beleuchtungselemente sind jedoch ebenfalls aus anderen Werkzeugen bekannt. So dient eine Taschenlampe gemäß der CN 203068159 U , sowie gemäß der DE 202 12 529 U1 durchaus der Beleuchtung, kann aber auch als Handwerkzeug oder gar als Handwaffe eingesetzt werden. In diesem Fall sind aber die Beleuchtungsfunktion und die Werkzeug-/Waffenfunktion vollständig voneinander getrennt anzusehen und wirken nicht zusammen.On the other hand, a lesser effect of the illumination is achieved by the CN 103737555 A , CN 201565927 U , CN 201849415 U , JPH 10201439A or FR 2 626 698 A2 , which are safety tools, therefore Hammers for breaking vehicle windows in an emergency, for example to leave a crashed bus or train through the broken window. Such lighting elements are, however, also known from other tools. This is how a torch is used according to the CN 203068159 U , as well as according to the DE 202 12 529 U1 quite the lighting, but can also be used as a hand tool or even as a hand weapon. In this case, however, the lighting function and the tool / weapon function are to be viewed completely separately from one another and do not work together.

Bei der DE 10 2011 075 663 A1 , wie auch bei der DE 10 2012 205 274 A1 kommt eine Beleuchtung des Arbeitsfelds ins Spiel, jedoch ist das zu beleuchtende Arbeitsfeld bei den dort beschriebenen Arbeitsmaschinen, nämlich Ackuschraubern, sehr klar umrissen und es ist aufgrund der Werkzeugführung ausreichend, einen kleinen Lichtpunkt zu werfen, um das Werkstück ausreichend zu beleuchten. Ebenso verhält es sich bei der US 7,093,951 B2 oder der US 8,714,765 B2 .In the DE 10 2011 075 663 A1 , as with the DE 10 2012 205 274 A1 Illumination of the work area comes into play, but the work area to be illuminated is very clearly outlined in the work machines described there, namely screwdrivers, and due to the tool guidance it is sufficient to cast a small point of light to sufficiently illuminate the workpiece. It is the same with the US 7,093,951 B2 or the US 8,714,765 B2 .

Weiter sind vergleichbar beleuchtete Handwerkzeuge aus der DE 20 2004 017 968 U1 und der CA 2 460 858 A1 bekannt, wobei es sich um Schneidwerkzeuge handelt.Next are comparably illuminated hand tools from the DE 20 2004 017 968 U1 and the CA 2 460 858 A1 known, which are cutting tools.

Alle diese Gegenstände sind jedoch nicht dafür geeignet, den Nutzer beim Schlag dahingehend zu unterstützen, dass das Werkstück im Besonderen ausgeleuchtet wird, oder gar eine Schlagspur vorgegeben wird, welche einer Ausleuchtung zugeführt wird. Soweit lediglich überschaubare Punkte ausgeleuchtet werden, werden diese bei einem Schlag nur für einen Moment ausgeleuchtet, so dass ein solcher Lichtpunkt nicht hilfreich ist. Bei einer diffusen Beleuchtung ist die Ausleuchtung schwach und hilft nicht für einen gerichteten Schlag.However, none of these objects are suitable for supporting the user when striking in such a way that the workpiece is illuminated in particular, or even a striking track is specified which is fed to an illumination. If only manageable points are illuminated, they are only illuminated for a moment in the event of a strike, so that such a point of light is not helpful. With a diffuse lighting, the illumination is weak and does not help for a directed shot.

Vor diesem Hintergrund liegt der vorliegenden Erfindung die Aufgabe zu Grunde, ein Handwerkzeug zu schaffen, bei welchem eine verbesserte Zielgenauigkeit und eine Beobachtung des Werkstücks auch bei verschlechterten Sichtverhältnissen ermöglicht wird, sowie einen gleichwirkenden, mit einem herkömmlichen Handwerkzeug verbindbaren Leuchtmittelträger.Against this background, the present invention is based on the object of creating a hand tool in which an improved aiming accuracy and an observation of the workpiece even with poor visibility is made possible, as well as an identically acting lamp carrier that can be connected to a conventional hand tool.

Dies gelingt durch ein Handwerkzeug gemäß den Merkmalen des unabhängigen Anspruchs 1, sowie einen Leuchtmittelträger gemäß den Merkmalen des nebengeordneten Anspruchs 11. Weitere, sinnvolle Ausgestaltungen können den abhängigen Ansprüchen entnommen werden.This is achieved by a hand tool according to the features of independent claim 1, as well as a lighting means carrier according to the features of the independent claim 11. Further, meaningful configurations can be found in the dependent claims.

So sieht erfindungsgemäß ein Handwerkzeug, welches im Wesentlichen aus einem Stiel und einem Kopf hergestellt ist, dass dem Stiel, dem Kopf oder beiden Leuchtmittel zugeordnet sind, welche eine länglich geformte Leuchtspur projizieren. Diese Projektion erfolgt hierbei in einer gemeinsamen Ebene mit dem Stiel und dem Kopf, so dass eine geführte Bewegung des Handwerkzeugs in dieser Ebene sinnvoll möglich ist. Dann wird eine solche Beleuchtung den gesamten Weg des Schlages diskret ausleuchten und sowohl den Schlagweg vorgeben, als auch eine gute Sicht auf das Werkstück ermöglichen.According to the invention, a hand tool, which is essentially made from a handle and a head, is assigned to the handle, the head or both lighting means which project an elongated light track. This projection takes place in a common plane with the handle and the head, so that a guided movement of the hand tool is sensibly possible in this plane. Such lighting will then discreetly illuminate the entire path of the blow and both specify the path of the blow and enable a good view of the workpiece.

Mit einigem Vorteil kann hierbei der ausgeleuchtete Winkel wenigstens 90°, bevorzugt wenigstens 180° und besonders bevorzugt wenigstens 270° betragen, wobei mehrere Leuchtmittel zur Erreichung eines solchen Winkels zusammenwirken können. Diese können etwa gleichzeitig an Vorder-, Stirn- und Rückseite des Stiels angebracht sein, um ungehindert leuchten zu können und gleichzeitig den Benutzer nicht zu behindern.With some advantage, the illuminated angle can be at least 90 °, preferably at least 180 ° and particularly preferably at least 270 °, with several illuminants being able to work together to achieve such an angle. These can be attached to the front, front and back of the handle at the same time in order to be able to shine unhindered and at the same time not to hinder the user.

Besonders bevorzugt kann eine solche Lösung an Handwerkzeugen vorgesehen werden, welche in einem Schlagbogen geführt werden, also insbesondere einem Hammer, einer Axt oder einem Beil. Entsprechend handelt es sich bei dem Kopf eines solchen Handwerkzeugs um einen Hammerkopf, eine Axtklinge oder eine Beilklinge.Such a solution can particularly preferably be provided on hand tools which are guided in a striking arc, that is to say in particular a hammer, an ax or a hatchet. Accordingly, the head of such a hand tool is a hammer head, an ax blade or a hatchet blade.

Zunächst kann in einer ersten Ausgestaltungsform vorgesehen sein, dass die Leuchtmittel in das Handwerkzeug selbst integriert sind. Es werden bereits Handwerkzeuge mit hohlem Stiel angeboten, wenn dieser aus einem ausreichend robusten Material hergestellt ist. Dann können in dem Material Hohlräume für eine Aufnahme von Leuchtmitteln, elektronischen oder elektrischen Komponenten und einem Energiespeicher vorgesehen werden, welche in dem Stiel aufgenommen und verstaut, jedoch auch gleichzeitig geschützt angeordnet sein können. Der Energiespeicher kann hierbei entweder so verbaut werden, dass eine Aufnahme für den Energiespeicher von außen zugänglich ist, oder aber mit einer nach außen geführten Ladebuchse verbunden sein, über die der Energiespeicher mit Energie versorgt werden kann.First of all, in a first embodiment it can be provided that the lighting means are integrated into the hand tool itself. It will already be Hand tools with a hollow handle are offered if this is made of a sufficiently robust material. Then cavities can be provided in the material to accommodate lighting means, electronic or electrical components and an energy store, which can be received and stowed in the stem, but can also be arranged in a protected manner at the same time. The energy store can either be installed in such a way that a receptacle for the energy store is accessible from the outside, or it can be connected to an externally led charging socket via which the energy store can be supplied with energy.

Eine zweite Ausgestaltungsform sieht aber vor, dass die Leuchtmittel und der Energiespeicher mit den zugehörigen elektronischen oder elektrischen Komponenten in einem lösbaren Leuchtmittelträger angeordnet sind. Dieser Leuchtmittelträger kann so gestaltet sein, dass er dem Stiel oder auch dem Kopf des Handwerkzeugs zugeordnet werden kann.A second embodiment, however, provides that the lighting means and the energy store with the associated electronic or electrical components are arranged in a detachable lighting means carrier. This illuminant carrier can be designed in such a way that it can be assigned to the handle or also to the head of the hand tool.

Insbesondere erscheint für eine Befestigung entweder ein Überzug, vorzugsweise aus einem elastischen Material wie Silikon, eine Manschette mit einem Verschluss, sei es ein Klettverschluss, eine Schnalle, Schlaufe oder dergleichen, oder aber ein Clipgehäuse, das aufgrund von Form- und Kraftschluss klemmend an dem Stiel oder dem Kopf des Handwerkezugs gehalten ist.In particular, either a cover, preferably made of an elastic material such as silicone, a cuff with a closure, be it a Velcro fastener, a buckle, loop or the like, or a clip housing that clamps on the due to form and force fit appears for a fastening Stalk or the head of the craft is held.

Sowohl bei einer Befestigung am Kopf wie auch am Stiel, bei einer Integration in den Stiel oder bei einer lösbaren Befestigung am Handwerkzeug sind die Leuchtmittel, der Energiespeicher und die elektronischen und elektrischen Komponenten beim Ausführen von Schlägen einer starken Erschütterung ausgesetzt, so dass es sinnvoll erscheint, die Auswirkungen der Erschütterung so weit wie möglich zu reduzieren. Dies kann durch einen Verguss der Komponenten, etwa mit Epoxidharz, erfolgen.Both when attached to the head as well as to the handle, when integrated into the handle or when detachably attached to the hand tool, the illuminants, the energy storage device and the electronic and electrical components are exposed to strong vibrations when impacts are carried out, so that it makes sense to reduce the effects of the vibration as much as possible. This can be done by potting the components, for example with epoxy resin.

Als Leuchtmittel können mit einigem Vorteil Licht emittierende Dioden, so genannte Leuchtdioden oder LEDs, eingesetzt werden. Diese sind gut gegen Erschütterungen gesichert, da sie keine besonders filigranen Elemente besitzen sondern bereits an sich weitgehend schlagfest sind. Ähnliches gilt für Lumineszenzelemente, welche aufgrund einer chemischen Reaktion bei Energiezufuhr leuchten. Prinzipiell können aber alle Leuchtmittel, auch Glühelemente, in der Erfindung eingesetzt werden.
Besonders bevorzugt können als Leuchtmittel Laser, insbesondere Linienlaser eingesetzt werden. Diese können unter Zurückstellung des Ausleuchtungseffekts besonders gut eine geformte Leuchtspur vorgeben, um einen geraden Schlag zu ermöglichen. Dem kann wenigstens ein weiterer Laser hinzugefügt werden, um ein Zielkreuz herzustellen, wobei weitere Laserlinien die erste Laserlinie in der Ebene des Stiels und des Kopfes kreuzen, wenn sie das Werkstück treffen.Light-emitting diodes, so-called light-emitting diodes or LEDs, can be used as illuminants with some advantage. These are good against shocks secured, as they have no particularly delicate elements but are already largely impact-resistant. The same applies to luminescent elements, which light up due to a chemical reaction when energy is supplied. In principle, however, all lighting means, including glow elements, can be used in the invention.
Lasers, in particular line lasers, can particularly preferably be used as illuminants. These can particularly well predetermine a shaped light track while deferring the illumination effect in order to enable a straight shot. At least one further laser can be added to this in order to produce a target cross, with further laser lines crossing the first laser line in the plane of the stem and head when they hit the workpiece.

Mit besonderem Vorteil bewegen sich die weiteren Laserlinien während des Schlages, entweder aufgrund eines Ausgleichs des Projektionswinkels während der Schlagbewegung, oder aufgrund einer mechanischen Verstellung währenddessen. Vorteilhaft für die Personalisierung des Handwerkzeugs ist dabei eine Möglichkeit, eine Nullstellung vorzugeben und zu speichern.The further laser lines move with particular advantage during the stroke, either due to a compensation of the projection angle during the stroke movement, or due to a mechanical adjustment during this. A possibility of specifying and storing a zero position is advantageous for the personalization of the hand tool.

Grundsätzlich können die verwendeten Leuchtmittel, wie der Laser, bereits von sich aus in der Lage sein, eine geformte, abgegrenzte Leuchtspur zu emittieren. Falls dies nicht der Fall ist, können den Leuchtmittel zu diesem Zweck geformte Prismen, Reflektoren, Deflektoren oder andere optische Hilfsmittel zugeordnet werden, welche das emittierte Licht zu einer diskreten Leuchtspur formen.In principle, the lighting means used, such as the laser, can by themselves be able to emit a shaped, delimited light trail. If this is not the case, shaped prisms, reflectors, deflectors or other optical aids can be assigned to the lighting means for this purpose, which shape the emitted light into a discrete light trail.

Gegenstand der Erfindung ist neben dem Handwerkzeug mit einer integrierten oder lösbaren Beleuchtung auch der Leuchtmittelträger als separate Einheit. Diese kann nach Bedarf herkömmlichen Handwerkzeugen zugeordnet werden. Merkmale des Leuchtmittelträgers wie oben beschrieben beziehen sich sowohl auf den Leuchtmittelträger, welcher dem Handwerkzeug zugeordnet ist, als auch auf den separat ausgeführten Leuchtmittelträger.In addition to the hand tool with integrated or detachable lighting, the invention also relates to the illuminant carrier as a separate unit. This can be assigned to conventional hand tools as required. Features of the lamp carrier as described above relate both to the lamp carrier, which is assigned to the hand tool, and to the separately designed lamp carrier.

Die vorstehend beschriebene Erfindung wird im Folgenden anhand eines Ausführungsbeispiels näher erläutert.The invention described above is explained in more detail below using an exemplary embodiment.

Es zeigen

Figur 1
ein Handwerkzeug mit einer in einen Stiel integrierten Beleuchtungsvorrichtung in perspektivischer Darstellung, sowie
Figur 2
ein Handwerkzeug mit einem am Stiel befestigten separaten Leuchtmittelträger in perspektivischer Darstellung.
Show it
Figure 1
a hand tool with a lighting device integrated in a handle in a perspective view, and
Figure 2
a hand tool with a separate lamp holder attached to the handle in a perspective view.

Figur 1 zeigt ein Handwerkzeug 1, welches als Beil ausgeführt ist. Es besteht im Wesentlichen aus einem Stiel 2 und einem Kopf 3, wobei der Kopf 3 geschmiedet ist und eine Beilklinge ausbildet. Oberhalb einer typischen Griffposition ist in dem Stiel 2 eine LED 6 integriert, welche aufgrund eines vorgeschalteten Prismas, das hier nicht näher dargestellt ist, eine geformte Leuchtspur 4 aussendet. Die Leuchtspur 4 ist dabei länglich und in der Ebene des Stiels 2 und des Kopfes 3 ausgerichtet, so dass der Benutzer bei einem Ausholvorgang den gesamten Schlagbogen ausgeleuchtet vor sich sieht. Am unteren Ende des Stiels 2 ist ein Batteriefach 5 vorgesehen, in welches ein Energiespeicher, also ein Akkumulator oder eine Batterie, austauschbar eingelegt ist. Elektrische Komponenten innerhalb des Stiels sind mit einem Epoxidharz vergossen, so dass die Erschütterung von Schlägen des Beils die Verbindungen zwischen den Komponenten sowie die Komponenten selbst nicht beschädigen. Figure 1 shows a hand tool 1, which is designed as an ax. It essentially consists of a handle 2 and a head 3, the head 3 being forged and forming a ax blade. Above a typical grip position, an LED 6 is integrated in the handle 2, which, due to an upstream prism, which is not shown in detail here, emits a shaped light track 4. The light track 4 is elongated and aligned in the plane of the handle 2 and the head 3, so that the user sees the entire arc of the stroke illuminated in front of him during a recovery process. At the lower end of the handle 2, a battery compartment 5 is provided, in which an energy storage device, that is to say an accumulator or a battery, is inserted in an exchangeable manner. Electrical components within the handle are encapsulated with an epoxy resin so that the vibration of blows from the ax does not damage the connections between the components as well as the components themselves.

Figur 2 zeigt eine alternative Ausgestaltung, bei dem ein herkömmliches Beil zugrunde gelegt wird. An dessen Stiel 2 wird eine Manschette 8 befestigt, welche die erforderlichen elektronischen Komponenten trägt. Diese sind insbesondere eine Linienlaser 7 als Variante zur Verwendung einer LED 6, sowie ein Energiespeicher, welcher den Linienlaser 7 mit Energie versorgt und die dafür erforderlichen zusätzlichen elektrischen und elektronischen Komponenten. Prinzipiell arbeitet der Linienlaser 7 entsprechend der LED 6, indem er eine geformte Leuchtspur in der Ebene des Stiels 2 und des Kopfes 3 des Handwerkzeugs 1 projiziert. Allerdings kann die Manschette 8 mithilfe von Verschlüssen 9, die hier als Verschlussbänder ausgeführt sind, die um den Stiel 2 herum gelegt und festgezogen werden, befestigt und gelöst werden. Dies ermöglicht sowohl einen wahlweisen Betrieb des Handwerkzeugs 1 mit oder ohne die Erfindung, wie auch insbesondere ein Nachrüsten der Erfindung an herkömmlichen Handwerkzeugen 1. Figure 2 shows an alternative embodiment, which is based on a conventional ax. A sleeve 8, which carries the necessary electronic components, is attached to the handle 2. These are particular a line laser 7 as a variant for using an LED 6, as well as an energy store, which supplies the line laser 7 with energy and the additional electrical and electronic components required for this. In principle, the line laser 7 works in accordance with the LED 6 in that it projects a shaped light track in the plane of the handle 2 and the head 3 of the hand tool 1. However, the cuff 8 can be fastened and released with the aid of fasteners 9, which are designed here as fastening straps that are placed around the handle 2 and tightened. This enables both an optional operation of the hand tool 1 with or without the invention and, in particular, a retrofitting of the invention to conventional hand tools 1.

Vorstehend beschrieben ist somit ein Handwerkzeug, bei welchem eine verbesserte Zielgenauigkeit und eine Beobachtung des Werkstücks auch bei verschlechterten Sichtverhältnissen ermöglicht wird, sowie ein gleichwirkender Leuchtmittelträger zur Verbindung mit einem Handwerkzeug.A hand tool is thus described above, in which an improved aiming accuracy and an observation of the workpiece is made possible even with poor visibility, as well as a lamp carrier with the same effect for connection to a hand tool.

BEZUGSZEICHENLISTEREFERENCE LIST

11
HandwerkzeugHand tools
22
Stielstalk
33
Kopfhead
44th
LeuchtspurTracer
55
BatteriefachBattery compartment
66th
LEDLED
77th
LinienlaserLine laser
88th
Manschettecuff
99
VerschlussClasp

Claims (11)

Handwerkzeug, umfassend einen mit einem Stiel (2) verbundenen Kopf (3), wobei dem Stiel (2) und/oder dem Kopf (3) Leuchtmittel zur Ausleuchtung eines Werkstücks sowie wenigstens ein Energiespeicher zur elektrischen Versorgung der Leuchtmittel zugeordnet sind, wobei es sich bei dem Kopf (3) um einen Hammerkopf oder eine Axt- oder Beilklinge handelt,
dadurch gekennzeichnet, dass die Leuchtmittel eine länglich geformte Leuchtspur (4) projizieren, welche mit dem Stiel (2) und dem Kopf (3) in einer gemeinsamen Ebene liegt.Hand tool, comprising a head (3) connected to a handle (2), the handle (2) and / or the head (3) being assigned lighting means for illuminating a workpiece and at least one energy store for the electrical supply of the lighting means the head (3) is a hammer head or an ax or hatchet blade,
characterized in that the lighting means project an elongated light track (4) which lies in a common plane with the stem (2) and the head (3). Handwerkzeug gemäß Anspruch 1, dadurch gekennzeichnet, dass die Leuchtmittel sowie eine, vorzugsweise von außen zugängliche, Aufnahme für einen Energiespeicher in den Stiel (2) integriert sind.Hand tool according to Claim 1, characterized in that the lighting means and a receptacle, preferably accessible from the outside, for an energy store are integrated in the handle (2). Handwerkzeug gemäß Anspruch 1, dadurch gekennzeichnet, dass die Leuchtmittel und der Energiespeicher einem von dem Stiel (2) oder Kopf (3) lösbaren Leuchtmittelträger zugeordnet sind.Hand tool according to Claim 1, characterized in that the lighting means and the energy store are assigned to a lighting means carrier which can be detached from the stem (2) or head (3). Handwerkzeug gemäß Anspruch 3, dadurch gekennzeichnet, dass der Leuchtmittelträger mit einem Überzug, vorzugsweise aus einem elastischen Material, einer Manschette (8) mit Verschluss (9) oder mit einem Clipgehäuse zur Klemmbefestigung an dem Stiel (2) oder dem Kopf (3) ausgeführt ist.Hand tool according to claim 3, characterized in that the illuminant carrier is designed with a cover, preferably made of an elastic material, a sleeve (8) with a lock (9) or with a clip housing for clamping to the stem (2) or the head (3) is. Handwerkzeug gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Leuchtmittel, Energiespeicher und/oder weitere elektrische Komponenten, vorzugsweise mit einem Epoxidharz, vergossen sind.Hand tool according to one of the preceding claims, characterized in that the lighting means, energy stores and / or further electrical components are encapsulated, preferably with an epoxy resin. Handwerkzeug gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass als Leuchtmittel Licht emittierende Dioden, Lumineszenzelemente oder Glühelemente eingesetzt werden.Hand tool according to one of the preceding claims, characterized in that light-emitting diodes, luminescent elements or glow elements are used as lighting means. Handwerkzeug gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass als Leuchtmittel ein Laser, insbesondere ein Linienlaser (7), eingesetzt werden.Hand tool according to one of the preceding claims, characterized in that a laser, in particular a line laser (7), is used as the illuminant. Handwerkzeug gemäß Anspruch 7, dadurch gekennzeichnet, dass dem Linienlaser (7) wenigstens ein weiterer Linienlaser, vorzugsweise im rechten Winkel, zugeordnet ist, wobei zumindest die weiteren Linienlaser derart in der Ebene der Leuchtspur (4) beweglich angeordnet ist, dass eine Neigungsänderung des Stiels (2) durch die weiteren Linienlaser ausgeglichen wird.Hand tool according to claim 7, characterized in that the line laser (7) is assigned at least one further line laser, preferably at right angles, with at least the further line laser being movably arranged in the plane of the light track (4) so that a change in the inclination of the handle (2) is compensated by the other line lasers. Handwerkzeug gemäß Anspruch 8, dadurch gekennzeichnet, dass eine Nullstellung der weiteren Linienlaser speicherbar ist.Hand tool according to Claim 8, characterized in that a zero position of the further line lasers can be stored. Handwerkzeug gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass den Leuchtmitteln wenigstens ein geformtes Prisma oder ein geformter Reflektor zugeordnet sind, welche emittiertes Licht der Leuchtelemente zu der länglichen Leuchtspur (4) formen.Hand tool according to one of the preceding claims, characterized in that the lighting means are assigned at least one shaped prism or one shaped reflector which shapes the light emitted by the luminous elements into the elongated luminous track (4). Leuchtmittelträger zur Verbindung mit einem in einem Schlagbogen geführten Handwerkzeug (1), umfassend ein Gehäuse, welchem Leuchtmittel zur Ausleuchtung eines Werkstücks sowie wenigstens ein Energiespeicher zur elektrischen Versorgung der Leuchtmittel zugeordnet sind, wobei die Leuchtmittel eine länglich geformte Leuchtspur (4) projizieren und das Gehäuse Verbindungsmittel zur Befestigung an dem Handwerkzeug (1) derart aufweist, dass die Leuchtspur (4) in einer gemeinsamen Ebene mit einem Stiel (2) und einem Kopf (3) des Handwerkzeugs (1) liegt und den gesamten Weg des Schlages ausleuchtet, dadurch gekennzeichnet, dass der Leuchtmittelträger zur Befestigung an dem Stiel (2) oder Kopf (3) mit einem Überzug, vorzugsweise aus einem elastischen Material, einer die erforderlichen elektronischen Komponenten tragenden Manschette (8) mit Verschluss (9) oder mit einem Clipgehäuse zur Klemmbefestigung an dem Stiel (2) oder dem Kopf (3) ausgeführt ist.Illuminant carrier for connection to a hand tool (1) guided in a striking arc, comprising a housing to which illuminants for illuminating a workpiece and at least one energy store for the electrical supply of the illuminants are assigned, the illuminants projecting an elongated tracer (4) and the housing Has connecting means for attachment to the hand tool (1) in such a way that the light track (4) in a common plane with a stem (2) and a head (3) of the hand tool (1) and illuminates the entire path of the blow, characterized in that the illuminant carrier for attachment to the stem (2) or head (3) with a cover , preferably made of an elastic material, a cuff (8) carrying the necessary electronic components with a closure (9) or with a clip housing for clamping attachment to the stem (2) or the head (3).
EP20207924.0A 2019-11-21 2020-11-16 Hand tool and lighting means carrier for connection with a hand tool Active EP3825082B1 (en)

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DE102019131516.6A DE102019131516B3 (en) 2019-11-21 2019-11-21 HAND TOOLS AND LAMP SUPPORT FOR CONNECTING TO A HAND TOOL

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EP3825082B1 EP3825082B1 (en) 2023-08-02
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CN203068159U (en) 2013-02-05 2013-07-17 陈伟田 Multifunctional flashlight
CN104416539A (en) 2013-09-05 2015-03-18 张翔 Hammer with lighting function
CN103737555A (en) 2014-01-15 2014-04-23 凌新华 Emergency hammer with lighting lamp
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CN205237989U (en) 2015-11-27 2016-05-18 杨婧杰 Multi -functional laborsaving claw hammer
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CN105666423A (en) 2016-04-26 2016-06-15 国家电网公司 Convenient claw hammer
CN207344510U (en) 2017-06-22 2018-05-11 武义华丽电器制造有限公司 A kind of practical shock-absorbing type claw hammer for building
CN207616512U (en) 2017-11-20 2018-07-17 天津城建道桥工程有限公司 Novel hammer
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Publication number Publication date
DE102019131516B3 (en) 2020-12-31
CN112824745A (en) 2021-05-21
CN112824745B (en) 2023-02-03
EP3825082B1 (en) 2023-08-02
EP3825082C0 (en) 2023-08-02

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