EP0755757B1 - Screwing tool - Google Patents

Screwing tool Download PDF

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Publication number
EP0755757B1
EP0755757B1 EP96111745A EP96111745A EP0755757B1 EP 0755757 B1 EP0755757 B1 EP 0755757B1 EP 96111745 A EP96111745 A EP 96111745A EP 96111745 A EP96111745 A EP 96111745A EP 0755757 B1 EP0755757 B1 EP 0755757B1
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EP
European Patent Office
Prior art keywords
screwing tool
working head
tool according
pin
locking device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP96111745A
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German (de)
French (fr)
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EP0755757A1 (en
Inventor
Hans Mesenhöller
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Individual
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Individual
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Publication date
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Priority to SI9630124T priority Critical patent/SI0755757T1/en
Publication of EP0755757A1 publication Critical patent/EP0755757A1/en
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Publication of EP0755757B1 publication Critical patent/EP0755757B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0035—Connection means between socket or screwdriver bit and tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/06—Handle constructions reversible or adjustable for position
    • B25G1/063—Handle constructions reversible or adjustable for position for screwdrivers, wrenches or spanners
    • B25G1/066—Handle constructions reversible or adjustable for position for screwdrivers, wrenches or spanners the grip itself being angularly adjustable

Definitions

  • the invention relates to a screwing tool according to the generic term of claim 1.
  • Such a screwing tool is from WO 95/08720 known from here.
  • the working head is over a universal joint with a coupling piece for a handle connected. There is a slide on the coupling link, which forms the locking device.
  • the invention is therefore based on the object Generic screwdriver advantageous in terms of operation to continue training.
  • the unlocking device can be operated by pressing a button.
  • the end face of the button can preferably be one have a larger surface area than the locking element, which can be designed as a pin.
  • the Button can also be in another place, be arranged as the locking element, for example outside the Mercury cylinder on which the Screw member can be plugged, namely in an enlarged diameter Area of the working head.
  • the locking device can be designed as a pin, which is made of emerges from a polygonal section of the working head and in a corresponding latching opening of the square insertion opening of the screw member engages.
  • the Movement transmission for unlocking takes place by means of a Tasters. It will be particularly advantageous considered that no separate, especially very small special actuators to unlock the screw member have to. In this respect, an operation with cold is also Hands or with oil-smeared hands.
  • a Further development of the invention provides that the extension the imaginary axis of the polygonal cylinder, in particular of the square cylinder, which is the cradle trains the swivel axis of the working head cuts. This results in particular in the Zero degree position of the tool an elongated shape of the screwing tool with a lever technically favorable Approach to the screw link.
  • the cradle also designed as a square cylinder, so the Angular position of the handle either parallel to the screw axis or transverse to it.
  • the Device for unlocking the locking device is preferably provided within the working head 1, the working head then preferably consisting of two Half shells is assembled.
  • an operating lever which on the locking pin attacks, and which by operating a Push button or a stylus is shifted. The axial displacement of a stylus can then cause the locking pin to move axially.
  • the actuating lever is preferably about an axis pivotally arranged. It is considered beneficial if the lever is formed by a leaf spring is and the leaf spring is also U-shaped is.
  • the button can be between the locking pin and the pivot axis of the working head be.
  • the feeler lever is also between the effective Pivotal point of the spring leaf and the locking pin arranged, so there is a favorable leverage ratio. It is also considered beneficial if the locking pin due to a cushioning in the Locked position is held.
  • a button can also be provided be.
  • This button can then preferably be used interact with a stop edge of the handle, such that in the swivel end position the button against the stop position occurs and is thus shifted accompanied by a shift of the locking pin in the unlocked position.
  • the swivel end position, the one with an unlocking of the locking pin is preferably in an angular position of more than 90 °.
  • the handle should preferably not be ascertainable be so that when removing or plugging in the Screw member actuation of the locking device is not necessary to determine the working head.
  • the screwing tool to be described in the exemplary embodiment has a handle 2.
  • the handle 2 is elongated, designed in the shape of a stem and has a grip area with which the handle can be covered by an operating hand.
  • the handle 2 has a slide 12 which is in the axial direction the handle 2 is displaceable.
  • Means a driver 16 can be approximately in the center of the axis Handle 2 arranged plunger 14 in the axial direction the handle can be moved back and forth. In the forward position is the plunger 14 by a Compression spring 15 acted upon.
  • the plunger 14 is seated in a smaller diameter Latch pin 13 continues, which in a fork opening of the handle 2 dips.
  • the fork opening will formed by two fork tines 17.
  • the fork tines 17 each form bearing eyes for the axis of rotation S of a working head 1, which around Axis S is pivotable.
  • the working head 1 forms on the back a half-roll shape, with on the surface grooves running parallel to the swivel axis S. This overall form a toothing in which tooth gaps the locking pin 13 in the forward position engages so that the pivoting of the working end 1 can be blocked relative to the handle 2.
  • the working head consists of two half-shells 20, 21 (see Fig. 6, 8).
  • the working end 2 has a receiving device 3, this is in the embodiment as a square cylinder educated.
  • a screw member 4 which in the embodiment is designed as a ring spanner insert an associated opening 22. In this insertion opening 22 the square 3 can be inserted.
  • a locking device 5 For locking the plug connection between the working head 1 and screw member 4 is a locking device 5 provided.
  • the locking device 5 exists from one of the square section 3 radially outwardly projecting locking pin 5, which by Actuation of a button 6 and / or by pivoting of the working head 1 in the swivel end position (Fig. 4) is moved back into the square section 3.
  • the Relocation is lever-operated. In the locked position the locking pin 5 engages in one Locking opening 23 of the insertion opening 22.
  • the lever 7 is pivotable about an axis.
  • the free end of the lever 7 is narrowed, but could also be fork-shaped.
  • the Fork could then be in an annular groove of the locking pin 5 insert.
  • the narrowed end section of the Lever is in a hole in the pin 5.
  • On the Lever acts a stylus 6, the stylus 6 is between the locking pin 5 and the axis of rotation of the Lever 7 arranged.
  • the lever 7 of one End of a U-shaped spring 11 is formed.
  • the feather 11 lies in a cavity of the working head 1 a that the locking pin 5 resilient in the locking position (Fig. 5) is held.
  • the axial Moving the button 6 consequently causes a voltage the spring 11, so that after releasing the button 6 the locking pin 5 automatically in the locking position relocated.
  • the arm 7 of the spring 11 is also elastic, so that the arm 7 also at even bend the button 6 fully can.
  • the button 6 is a cross-sectional area of the Working head 1 assigned. It lies in one radial distance to the axis of rotation S of the working head 1 that the surface 6 'of the button in the swivel end position (Fig. 4) acted upon by a stop edge 19 becomes.
  • the stop edge 19 is preferred formed from the bottom 18 of the fork-shaped opening.
  • the working head 1 is, for example, in the position shown in FIG brought 90 ° position shown, so the button 6th unsupervised.
  • the locking pin 13 can be in a locking recess or snap the teeth of the working head 1 into place, so that it is fixed in the 90 ° swivel position.
  • the pivotability released the working head 1, so that the Working head 1 can be moved beyond the 90 ° position is until the end face 6 'of the button 6 on the stop 19 hits, so that a further pivoting of Working head 1 up to the swivel end position Axial displacement of the button 6 is accompanied by unlocking the locking pin 5.
  • the bolt end 24 of the Locking pin 5 has a smaller diameter than the one stuck in the opening of the square Section of the locking pin 5, so that there is a Level 25 trains which in the extended position of the locking pin 5 with the square surface the receiving device 3 is aligned.

Abstract

The screwing tool has a work head (1) with socket (3) for interchangeable spanner (4). The socket forms a locking device (5) for the screwing member or spanner and can be unlocked by press button activation (6). The locking device can be unlocked by swivelling the work head into the swivel end position. The socket is preferably a polygonal cylinder such as square cylinder whose extended axis (A) intersects the swivel axis (S) of the work head. The locking device has a pin (5) projecting out of the cylinder and in lever or rocker connection with the press button.

Description

Die Erfindung betrifft ein Schraubwerkzeug gemäß Gattungsbegriff des Anspruches 1.The invention relates to a screwing tool according to the generic term of claim 1.

Ein derartiges Schraubwerkzeug ist aus der WO 95/08720 her bekannt. Der Arbeitskopf ist dort über ein Kardangelenk mit einem Kupplungsstück für einen Handgriff verbunden. Auf dem Kupplungsglied sitzt ein Schieber, welcher die Verrieglungsvorrichtung ausbildet.Such a screwing tool is from WO 95/08720 known from here. The working head is over a universal joint with a coupling piece for a handle connected. There is a slide on the coupling link, which forms the locking device.

Durch Betätigung des Schiebers durch Daumendruck oder dergleichen kann die Verriegelung gelöst werden.By actuating the slide by thumb pressure or the like can be released the lock.

Ferner ist ein Schraubwerkzeug aus der europäischen Patentanmeldung 0 377 777 her bekannt. Dort weist ein Handgriff ein gabelförmiges Ende auf, wobei zwischen den beiden Gabelzinken ein Arbeitskopf schwenkbar gelagert ist. Im Handgriff ist ein axial zum Handgriff verlagerbarer Raststift vorgesehen, der in eine Verzahnung des Arbeitskopfes eingreifen kann, um die Verschwenkbarkeit des Arbeitskopfes in den verschiedenen Winkelstellungen festzulegen. Der Arbeitskopf weist einen vierkantförmigen Fortsatz auf, welcher eine Aufnahmevorrichtung ausbildet, zur Aufnahme von Nüssen oder ähnlichen Schraubgliedern. Nachteilhaft an dieser Ausgestaltung ist eine mangelnde Haftung des Schraubgliedes an der Aufnahmevorrichtung, so daß es beim Abziehen des Schraubwerkzeuges von einer Sechskantschraube oder dergleichen vorkommen kann, daß die Naß auf der Schraube stecken bleibt und sich so vom Schraubwerkzeug löst.Furthermore, a screwing tool from the European Patent application 0 377 777 ago known. Instructs there Handle on a forked end, being between a working head swivel-mounted on the two fork tines is. In the handle is an axial to the handle relocatable locking pin provided in a toothing of the working head can intervene to ensure that it can be pivoted of the working head in the different Determine angular positions. The working head points a square-shaped extension on which a receiving device trains to take nuts or similar screw links. A disadvantage of this Design is a lack of liability of the screw member on the cradle so that it Remove the screwing tool from a hexagon screw or the like may occur that the wet gets stuck on the screw and gets away from the screwing tool solves.

Es sind ferner bereits Verriegelungsvorrichtungen in Vorschlag gebracht worden, bei welchen ein Stift in eine Öffnung tritt, und wobei zur Entriegelung der Stift mittels eines Werkzeuges durch die Öffnung gedrückt werden kann. Wegen des Zwanges zur Zuhilfenahme von Entriegelungswerkzeugen ist eine derartige Verriegelungseinrichtung nachteilhaft.There are also locking devices in Proposed, in which a pen in an opening occurs, and being used to unlock the Use a tool to push the pin through the opening can be. Because of the compulsion to help of unlocking tools is such a locking device disadvantageous.

Der Erfindung liegt daher die Aufgabe zugrunde, ein gattungsgemäßes Schraubwerkzeug bedienungsvorteilhaft weiterzubilden.The invention is therefore based on the object Generic screwdriver advantageous in terms of operation to continue training.

Gelöst wird die Aufgabe durch die im Anspruch 1 angegebene Erfindung. Die Unteransprüche stellen vorteilhafte Weiterbildungen der Erfindung dar. The problem is solved by the one specified in claim 1 Invention. The subclaims are advantageous Developments of the invention.

Zufolge der im Anspruch 1 angegebenen Erfindung ist die Aufnahmevorrichtung mit einer Verriegelungseinrichtung versehen, die nur nach Betätigung eines Entriegelungsgliedes eine ansonsten feste Verbindung zwischen Aufnahmevorrichtung und Schraubglied löst, wobei die Entriegelungsvorrichtung durch Tastendruck betätigbar ist. Hierdurch ist eine werkzeuglose Entriegelung gegeben. Die Stirnfläche des Tasters kann dabei bevorzugt eine größere Oberfläche aufweisen, als das Verriegelungselement, welches als Stift ausgebildet sein kann. Der Taster kann darüber hinaus auch an einem anderen Ort, als das Verriegelungselement angeordnet sein, beispielsweise außerhalb des Merkantzylinders, auf welchem das Schraubglied aufsteckbar ist, nämlich in einem durchmesservergrößerten Bereich des Arbeitskopfes. Zum Lösen der Verriegelung zwischen Schraubglied und Aufnahmevorrichtung braucht nun lediglich der Taster gedrückt zu werden, damit die Verriegelungseinrichtung außer Wirkung tritt. Bei der im Anspruch 1 angegebenen Erfindung ist vorgesehen, daß durch Verlagerung des Arbeitskopfes in die Schwenkendstellung die Verriegelungsvorrichtung außer Wirkung entriegelbar ist. Die Verriegelungsvorrichtung kann als Stift ausgebildet sein, welcher aus einem Mehrkantabschnitt des Arbeitskopfes austritt und in eine entsprechende Rastöffnung der Vierkant-Einstecköffnung des Schraubgliedes einrastet. Die Bewegungsübertragung zur Entriegelung erfolgt mittels eines Tasters. Als besonders vorteilhaft wird es angesehen, daß keine gesonderten, insbesondere sehr kleine spezielle Betätigungsglieder zur Entriegelung des Schraubgliedes betätigt werden müssen. Insofern ist auch eine Betätigung mit kalten Händen oder mit ölverschmierten Händen möglich. Eine Weiterbildung der Erfindung sieht vor, daß die Verlängerung der gedachten Achse des Mehrkantzylinders, insbesondere des Vierkantzylinders, welcher die Aufnahmevorrichtung ausbildet, die Schwenkachse des Arbeitskopfes schneidet. Hierdurch ergibt sich insbesondere in der Null-Grad-Stellung des Werkzeuges eine gestreckte Form des Schraubwerkzeuges mit einem hebeltechnisch günstigen Ansatz am Schraubglied. Ist die Aufnahmevorrichtung zudem als Vierkantzylinder ausgebildet, so kann die Winkelstellung des Handgriffes zudem entweder parallel zur Schraubachse oder quer dazu eingestellt werden. Die Vorrichtung zur Entriegelung der Verriegelungsvorrichtung ist bevorzugt innerhalb des Arbeitskopfes 1 vorgesehen, wobei der Arbeitskopf dann bevorzugt aus zwei Halbschalen zusammengesetzt ist. Hierzu kann ein Betätigungshebel vorgesehen sein, welcher am Verriegelungsstift angreift, und welcher durch Betätigung eines Tasters bzw. eines Taststiftes verlagert wird. Die axiale Verlagerung eines Taststiftes kann dann zur axialen Verlagerung des Verriegelungsstiftes führen. Dabei ist bevorzugt der Betätigungshebel um eine Achse schwenkbar angeordnet. Es wird als vorteilhaft angesehen, wenn der Hebel von einer Blattfeder ausgebildet ist und die Blattfeder darüber hinaus U-förmig ausgebildet ist. Der Taster kann dabei zwischen dem Verriegelungsstift und der Schwenkachse des Arbeitskopfes angeordnet sein. Ist der Tasthebel zudem zwischen dem wirksamen Drehpunkt des Federblattes und dem Verriegelungsstift angeordnet, so ergibt sich ein günstiges Hebelverhältnis. Es wird weiter als vorteilhaft angesehen, wenn der Verriegelungsstift zufolge einer Abfederung in der Verriegelungsstellung gehalten wird. Um die Verriegelungseinrichtung in der Schwenkendstellung des Arbeitskopfes zu entriegeln, kann ebenfalls ein Taster vorgesehen sein. Dieser Taster kann dann vorzugsweise mit einer Anschlagkante des Handgriffes zusammenwirken, derart, daß in der Schwenkendstellung der Taster gegen die Anschlagstellung tritt und somit verlagert wird einhergehend mit einer Verlagerung des Verriegelungsstiftes in der Entriegelungsstellung. Die Schwenkendstellung, die mit einer Entriegelung des Verriegelungsstiftes einhergeht liegt bevorzugt in einer Winkelstellung von mehr als 90°. In dieser Schwenkendstellung soll der Handgriff vorzugsweise nicht feststellbar sein, so daß bei der Entnahme bzw. beim Aufstecken des Schraubgliedes eine Betätigung der Feststellvorrichtung zur Feststellung des Arbeitskopfes nicht notwendig ist.According to the invention specified in claim 1 Recording device with a locking device provided that only after actuation of an unlocking member an otherwise fixed connection between the receiving device and screw member releases, the unlocking device can be operated by pressing a button. This enables unlocking without tools. The end face of the button can preferably be one have a larger surface area than the locking element, which can be designed as a pin. Of the Button can also be in another place, be arranged as the locking element, for example outside the Mercury cylinder on which the Screw member can be plugged, namely in an enlarged diameter Area of the working head. To solve the locking between screw member and receiving device all you need to do now is press the button so that the locking device is ineffective occurs. In the invention specified in claim 1 it is intended that by relocating the working head the locking device in the swivel end position is unlocked out of effect. The locking device can be designed as a pin, which is made of emerges from a polygonal section of the working head and in a corresponding latching opening of the square insertion opening of the screw member engages. The Movement transmission for unlocking takes place by means of a Tasters. It will be particularly advantageous considered that no separate, especially very small special actuators to unlock the screw member have to. In this respect, an operation with cold is also Hands or with oil-smeared hands. A Further development of the invention provides that the extension the imaginary axis of the polygonal cylinder, in particular of the square cylinder, which is the cradle trains the swivel axis of the working head cuts. This results in particular in the Zero degree position of the tool an elongated shape of the screwing tool with a lever technically favorable Approach to the screw link. Is the cradle also designed as a square cylinder, so the Angular position of the handle either parallel to the screw axis or transverse to it. The Device for unlocking the locking device is preferably provided within the working head 1, the working head then preferably consisting of two Half shells is assembled. For this purpose, an operating lever be provided, which on the locking pin attacks, and which by operating a Push button or a stylus is shifted. The axial displacement of a stylus can then cause the locking pin to move axially. The actuating lever is preferably about an axis pivotally arranged. It is considered beneficial if the lever is formed by a leaf spring is and the leaf spring is also U-shaped is. The button can be between the locking pin and the pivot axis of the working head be. The feeler lever is also between the effective Pivotal point of the spring leaf and the locking pin arranged, so there is a favorable leverage ratio. It is also considered beneficial if the locking pin due to a cushioning in the Locked position is held. To the locking device in the swivel end position of the working head to unlock, a button can also be provided be. This button can then preferably be used interact with a stop edge of the handle, such that in the swivel end position the button against the stop position occurs and is thus shifted accompanied by a shift of the locking pin in the unlocked position. The swivel end position, the one with an unlocking of the locking pin is preferably in an angular position of more than 90 °. In this swivel end position the handle should preferably not be ascertainable be so that when removing or plugging in the Screw member actuation of the locking device is not necessary to determine the working head.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand beigefügter Zeichnungen im Detail erläutert. Es zeigen:

Figur 1
ein erfindungsgemäßes Schraubwerkzeug in der Draufsicht,
Figur 2
eine Seitenansicht des Schraubwerkzeuges mit abgezogenem Schraubglied in der Null-Grad-Stellung (Gestrecktstellung),
Figur 3
einen Darstellung gemäß Fig. 2 mit aufgestecktem Schraubglied in der 90°-Stellung,
Figur 4
eine Darstellung gemäß Fig. 2 in der Schwenkendstellung,
Figur 5
eine Schnittdarstellung des Arbeitskopfes,
Figur 6
eine Darstellung gemäß der Linie VI-VI in Fig. 5,
Figur 7
eine Darstellung gemäß Fig. 5 bei betätigtem Taster und
Figur 8
eine Darstellung des aus zwei Halbschalen bestehenden Arbeitskopfes 1.
An embodiment of the invention is explained in detail below with reference to the accompanying drawings. Show it:
Figure 1
a screwing tool according to the invention in plan view,
Figure 2
a side view of the screwing tool with removed screw member in the zero degree position (extended position),
Figure 3
2 with the screw member attached in the 90 ° position,
Figure 4
2 in the swivel end position,
Figure 5
a sectional view of the working head,
Figure 6
a representation along the line VI-VI in Fig. 5,
Figure 7
5 with the button and
Figure 8
a representation of the working head consisting of two half-shells 1.

Das im Ausführungsbeispiel zu beschreibende Schraubwerkzeug weist einen Handgriff 2 auf. Der Handgriff 2 ist langgestreckt, in Form eines Stieles gestaltet und weist einen Griffbereich auf, mit welchem der Handgriff von einer Betätigungshand umfaßt werden kann. Der Handgriff 2 weist einen Schieber 12 auf, welcher in Achsrichtung des Handgriffes 2 verlagerbar ist. Mittels eines Mitnehmers 16 kann ein etwa in der Achsmitte des Handgriffes 2 angeordneter Stößel 14 in Achsrichtung des Handgriffes hin und her verlagert werden. In der vorverlagerten Stellung ist der Stößel 14 durch eine Druckfeder 15 beaufschlagt.The screwing tool to be described in the exemplary embodiment has a handle 2. The handle 2 is elongated, designed in the shape of a stem and has a grip area with which the handle can be covered by an operating hand. The handle 2 has a slide 12 which is in the axial direction the handle 2 is displaceable. Means a driver 16 can be approximately in the center of the axis Handle 2 arranged plunger 14 in the axial direction the handle can be moved back and forth. In the forward position is the plunger 14 by a Compression spring 15 acted upon.

Vorne setzt sich der Stößel 14 in einen durchmessergeringeren Raststift 13 fort, welcher in eine Gabelöffnung des Handgriffes 2 taucht. Die Gabelöffnung wird von zwei Gabelzinken 17 ausgebildet.In the front, the plunger 14 is seated in a smaller diameter Latch pin 13 continues, which in a fork opening of the handle 2 dips. The fork opening will formed by two fork tines 17.

Die Gabelzinken 17 bilden jeweils Lageraugen aus für die Drehachse S eines Arbeitskopfes 1, welcher um die Achse S schwenkbar ist. Der Arbeitskopf 1 bildet rückseitig eine Halbwalzenform aus, mit auf der Oberfläche parallel zur Schwenkachse S verlaufenden Nuten. Diese bilden insgesamt eine Verzahnung aus, in welche Zahnlücken der Raststift 13 in der vorverlagerten Stellung eingreift, so daß die Schwenkbarkeit des Arbeitsendes 1 gegenüber dem Handgriff 2 blockierbar ist. Der Arbeitskopf besteht aus zwei Halbschalen 20, 21 (vgl.Fig.6, 8).The fork tines 17 each form bearing eyes for the axis of rotation S of a working head 1, which around Axis S is pivotable. The working head 1 forms on the back a half-roll shape, with on the surface grooves running parallel to the swivel axis S. This overall form a toothing in which tooth gaps the locking pin 13 in the forward position engages so that the pivoting of the working end 1 can be blocked relative to the handle 2. The working head consists of two half-shells 20, 21 (see Fig. 6, 8).

Zur Verschwenkung des Arbeitskopfes 1 wird der Schieber 12 zurückgezogen, die Druckfeder 15 wird komprimiert, der Raststift 13 zurückverlagert, so daß das Arbeitsende 2 frei drehen kann.To pivot the working head 1, the slide 12 withdrawn, the compression spring 15 is compressed, the locking pin 13 moved back so that the end of work 2 can rotate freely.

Das Arbeitsende 2 weist eine Aufnahmevorrichtung 3 auf, diese ist im Ausführungsbeispiel als Vierkantzylinder ausgebildet. Ein Schraubglied 4 welches im Ausführungsbeispiel als Ringschlüsseleinsatz ausgebildet ist weist eine zugehörige Öffnung 22 auf. In diese Einstecköffnung 22 kann der Vierkant 3 eingesteckt werden.The working end 2 has a receiving device 3, this is in the embodiment as a square cylinder educated. A screw member 4 which in the embodiment is designed as a ring spanner insert an associated opening 22. In this insertion opening 22 the square 3 can be inserted.

Zur Verriegelung der Steckverbindung zwischen Arbeitskopf 1 und Schraubglied 4 ist eine Verriegelungseinrichtung 5 vorgesehen. Die Verriegelungseinrichtung 5 besteht aus einem aus dem Vierkantabschnitt 3 radial auswärts ragenden Verriegelungsstift 5, welcher durch Betätigung eines Tasters 6 und/oder durch Verschwenken des Arbeitskopfes 1 in die Schwenkendstellung (Fig. 4) in den Vierkantabschnitt 3 zurückverlagert wird. Die Rückverlagerung erfolgt hebelbetätigt. In der Verriegelungsstellung greift der Verriegelungsstift 5 in eine Verriegelungsöffnung 23 der Einstecköffnung 22 ein.For locking the plug connection between the working head 1 and screw member 4 is a locking device 5 provided. The locking device 5 exists from one of the square section 3 radially outwardly projecting locking pin 5, which by Actuation of a button 6 and / or by pivoting of the working head 1 in the swivel end position (Fig. 4) is moved back into the square section 3. The Relocation is lever-operated. In the locked position the locking pin 5 engages in one Locking opening 23 of the insertion opening 22.

Zur Rückverlagerung des Verriegelungsstiftes 5 ist im Innern des Arbeitskopfes 1 ein Hebel bzw. eine Wippe 7 vorgesehen. Der Hebel 7 ist um eine Achse schwenkbar. To move the locking pin 5 back in Inside the working head 1, a lever or a rocker 7 intended. The lever 7 is pivotable about an axis.

Das freie Ende des Hebels 7 ist verschmälert ausgebildet, könnte aber auch gabelförmig ausgebildet sein. Die Gabel könnte dann in einer Ringnut des Verriegelungsstiftes 5 einliegen. Der verschmälerte Endabschnitt des Hebels liegt in einer Bohrung des Stiftes 5. Auf den Hebel wirkt ein Taststift 6, der Taststift 6 ist zwischen dem Verriegelungsstift 5 und der Drehachse des Hebels 7 angeordnet. Bei Betätigung des Tasters, d. h. bei axialer Verlagerung des Taststiftes 7 verschwenkt der Hebel 7 unter gleichzeitiger radialer Verlagerung des Verriegelungsstiftes 5 nach innen, so daß ein in der Verriegelungsstellung über die Vierkantoberfläche herausragendes Riegelende 24 in die Öffnung eintaucht, in welcher der Verriegelungsstift 5 im Arbeitskopf 1 gelagert ist.The free end of the lever 7 is narrowed, but could also be fork-shaped. The Fork could then be in an annular groove of the locking pin 5 insert. The narrowed end section of the Lever is in a hole in the pin 5. On the Lever acts a stylus 6, the stylus 6 is between the locking pin 5 and the axis of rotation of the Lever 7 arranged. When pressing the button, d. H. pivoted when the stylus 7 is axially displaced the lever 7 with simultaneous radial displacement of the locking pin 5 inwards, so that a in the locking position over the square surface protruding bolt end 24 dips into the opening, in which the locking pin 5 in the working head 1 is stored.

Im Ausführungsbeispiel wird der Hebel 7 von dem einen Ende einer U-förmigen Feder 11 ausgebildet. Die Feder 11 liegt derartig in einem Hohlraum des Arbeitskopfes 1 ein, daß der Verriegelungsstift 5 federnd in der Riegelvortrittsstellung (Fig. 5) gehalten ist. Die axiale Verlagerung des Tasters 6 bewirkt demzufolge eine Spannung der Feder 11, so daß nach Loslassen des Tasters 6 der Verriegelungsstift 5 selbsttätig in die Verriegelungsstellung zurückverlagert. Der Arm 7 der Feder 11 ist ebenfalls elastisch, so daß sich der Arm 7 auch bei vollständigem Eindrücken des Tasters 6 sogar durchbiegen kann.In the embodiment, the lever 7 of one End of a U-shaped spring 11 is formed. The feather 11 lies in a cavity of the working head 1 a that the locking pin 5 resilient in the locking position (Fig. 5) is held. The axial Moving the button 6 consequently causes a voltage the spring 11, so that after releasing the button 6 the locking pin 5 automatically in the locking position relocated. The arm 7 of the spring 11 is also elastic, so that the arm 7 also at even bend the button 6 fully can.

Der Taster 6 ist einem querschnittsgrößeren Bereich des Arbeitskopfes 1 zugeordnet. Er liegt in einer derartigen radialen Entfernung zur Drehachse S des Arbeitskopfes 1, daß die Oberfläche 6' des Tasters in der Schwenkendstellung (Fig. 4) von einer Anschlagkante 19 beaufschlagt wird. Die Anschlagkante 19 wird vorzugsweise vom Boden 18 der gabelförmigen Öffnung ausgebildet.The button 6 is a cross-sectional area of the Working head 1 assigned. It lies in one radial distance to the axis of rotation S of the working head 1 that the surface 6 'of the button in the swivel end position (Fig. 4) acted upon by a stop edge 19 becomes. The stop edge 19 is preferred formed from the bottom 18 of the fork-shaped opening.

Wird der Arbeitskopf 1 beispielsweise in die in Figur 3 dargestellte 90°-Stellung gebracht, so ist der Taster 6 unbeaufschlagt. Der Raststift 13 kann in eine Rastausnehmung oder Verzahnung des Arbeitskopfes 1 einrasten, so daß dieser in der 90°-Schwenkstellung festliegt. Durch Betätigung des Schiebers 12 wird die Verschwenkbarkeit des Arbeitskopfes 1 freigegeben, so daß der Arbeitskopf 1 über die 90°-Stellung hinaus verlagerbar ist, bis die Stirnfläche 6' des Tasters 6 auf den Anschlag 19 trifft, so daß eine weitere Verschwenkung des Arbeitskopfes 1 bis in die Schwenkendstellung eine Axialverlagerung des Tasters 6 bewirkt einhergehend mit einer Entriegelung des Verriegelungsstiftes 5.If the working head 1 is, for example, in the position shown in FIG brought 90 ° position shown, so the button 6th unsupervised. The locking pin 13 can be in a locking recess or snap the teeth of the working head 1 into place, so that it is fixed in the 90 ° swivel position. By actuating the slide 12, the pivotability released the working head 1, so that the Working head 1 can be moved beyond the 90 ° position is until the end face 6 'of the button 6 on the stop 19 hits, so that a further pivoting of Working head 1 up to the swivel end position Axial displacement of the button 6 is accompanied by unlocking the locking pin 5.

Beim Ausführungsbeispiel weist der Riegelende 24 des Verriegelungsstiftes 5 einen geringeren Durchmesser auf, als der in der Öffnung des Vierkantes steckende Abschnitt des Verriegelungsstiftes 5, so daß sich eine Stufe 25 ausbildet, welche in der ausgefahrenen Stellung des Verriegelungsstiftes 5 mit der Vierkantoberfläche der Aufnahmevorrichtung 3 fluchtet.In the exemplary embodiment, the bolt end 24 of the Locking pin 5 has a smaller diameter than the one stuck in the opening of the square Section of the locking pin 5, so that there is a Level 25 trains which in the extended position of the locking pin 5 with the square surface the receiving device 3 is aligned.

Claims (9)

  1. Screwing tool with a working head (1) and a handle (2) which is pivotable in relation thereto and can be locked in different angular positions, the working head (1) being provided with a holding device (3) for an exchangeable screwing member (4) which forms a locking device (5) for the screwing member (4), characterised in that the locking device (5) can be unlocked by pivoting the working head (1) into the pivot end position in which a button (6) for unlocking the locking device (5) is acted upon by a stop edge (19) or the like of the handle (2).
  2. Screwing tool according to claim 1, characterised in that the button (6) is constructed as a tracer pin.
  3. Screwing tool according to any of the preceding claims, characterised in that the holding device (3) is constructed as a polygonal cylinder, in particular a square cylinder, whose extended axis (A) intersects with the pivot axis (S) of the working head.
  4. Screwing tool according to any of the preceding claims, characterised in that the locking device comprises a pin (5) which projects from the polygonal cylinder transversely to axis (A) and which is connected in lever or rocker fashion (7) to the tracer pin (6).
  5. Screwing tool according to any of the preceding claims, characterised in that the locking pin (5) is associated with the end of a spring leaf on which the tracer pin (6) acts.
  6. Screwing tool according to claim 5, characterised in that the spring leaf (7) is formed by a U-shaped spring (11).
  7. Screwing tool according to any of the preceding claims, characterised in that the button (6) is arranged between the pin (5) and the pivot axis (S).
  8. Screwing tool according to any of the preceding claims, characterised in that the pivot end position corresponds to an angular position of more than 90°.
  9. Screwing tool according to any of the preceding claims, characterised in that the handle (2) cannot be locked in the pivot end position.
EP96111745A 1995-07-25 1996-07-22 Screwing tool Expired - Lifetime EP0755757B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9630124T SI0755757T1 (en) 1995-07-25 1996-07-22 Screwing tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19526968A DE19526968A1 (en) 1995-07-25 1995-07-25 Screwdriver
DE19526968 1995-07-25

Publications (2)

Publication Number Publication Date
EP0755757A1 EP0755757A1 (en) 1997-01-29
EP0755757B1 true EP0755757B1 (en) 1999-12-29

Family

ID=7767628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111745A Expired - Lifetime EP0755757B1 (en) 1995-07-25 1996-07-22 Screwing tool

Country Status (6)

Country Link
EP (1) EP0755757B1 (en)
AT (1) ATE188161T1 (en)
DE (2) DE19526968A1 (en)
DK (1) DK0755757T3 (en)
ES (1) ES2139996T3 (en)
SI (1) SI0755757T1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1045123Y (en) * 1997-04-05 2001-02-01 Wille Gmbh & Co PLUGGING TOOL TO COUPLING A TOOL OF ACTION AND THE CORRESPONDING TOOL OF ACTION.
DE19758493C2 (en) * 1997-10-10 2000-01-27 Hazet Werk Zerver Hermann Socket wrench extension
FR2779374B1 (en) * 1998-06-04 2000-08-25 Facom DRIVE TOOL WITH LOCKING MECHANISM
DE102010064663B4 (en) 2010-04-30 2024-02-29 Wolf-Dietrich Zander Arrangement and tool for transmitting torque
CN103358258B (en) * 2013-07-12 2015-06-10 浙江拓进五金工具有限公司 Multifunctional ratchet spanner binding tool
CN206509956U (en) * 2016-12-13 2017-09-22 威进塑胶企业股份有限公司 The multi-angle ratchet screw of insulation
USD1002309S1 (en) 2020-12-30 2023-10-24 Milwaukee Electric Tool Corporation Wrench

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924493A (en) * 1974-10-21 1975-12-09 John Penner Quick release extension shaft for socket wrenches
CH646315A5 (en) * 1980-05-20 1984-11-30 Stengel Heinz Hair-brush and curler set
US4508005A (en) * 1983-12-19 1985-04-02 Snap-On Tools Corporation Quick release mechanism for ratchet wrench
US4829857A (en) * 1987-02-25 1989-05-16 Jones Arlan N Quick change handle for tools
DE8902523U1 (en) * 1988-12-14 1989-05-18 Mesenhoeller, Hans, 5630 Remscheid, De
US5291809A (en) * 1992-03-02 1994-03-08 Fox Iii Leonard J Locking adapter for socket wrench
US5390571A (en) * 1993-03-05 1995-02-21 Fox, Iii; Leonard J. Push button socket locking mechanism
DE9312159U1 (en) * 1993-08-14 1993-11-25 Mesenhoeller Hans Key head, namely ring wrench or open-ended wrench head
US5433548A (en) * 1993-09-22 1995-07-18 Roberts Tool International (Usa), Inc. Universal joint for torque transmitting tools

Also Published As

Publication number Publication date
DE59604016D1 (en) 2000-02-03
ATE188161T1 (en) 2000-01-15
DE19526968A1 (en) 1997-01-30
ES2139996T3 (en) 2000-02-16
SI0755757T1 (en) 2000-04-30
EP0755757A1 (en) 1997-01-29
DK0755757T3 (en) 2000-06-19

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