EP2794190B1 - Driving-in device - Google Patents

Driving-in device Download PDF

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Publication number
EP2794190B1
EP2794190B1 EP12797830.2A EP12797830A EP2794190B1 EP 2794190 B1 EP2794190 B1 EP 2794190B1 EP 12797830 A EP12797830 A EP 12797830A EP 2794190 B1 EP2794190 B1 EP 2794190B1
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EP
European Patent Office
Prior art keywords
transport
transporting
strip
holding
fastening
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.)
Active
Application number
EP12797830.2A
Other languages
German (de)
French (fr)
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EP2794190A1 (en
Inventor
Thomas Foser
Oliver Prinz
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.)
Hilti AG
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Hilti AG
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Publication date
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Publication of EP2794190A1 publication Critical patent/EP2794190A1/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
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/04—Arrangements for handling screws or nuts for feeding screws or nuts
    • 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
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/04—Arrangements for handling screws or nuts for feeding screws or nuts
    • B25B23/045—Arrangements for handling screws or nuts for feeding screws or nuts using disposable strips or discs carrying the screws or nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/323—Devices for inserting or holding rivets in position with or without feeding arrangements using a carrier strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/001—Nail feeding devices
    • B25C1/005—Nail feeding devices for rows of contiguous nails

Definitions

  • the invention relates to a device for driving fasteners into a substrate.
  • Such devices usually include a screwdriver bit, which drives the fastener into a substrate.
  • transport wheels are known, which engage between each two fasteners of a fastener strip to transport a fastener into a receptacle in front of the screwdriver bit.
  • the force for this is to be applied by the user of the device, for example by pressing the device to a substrate.
  • the fastener is applied during the driving of a force transverse to the mounting direction.
  • a power screwdriver which comprises a motorized tool, a screw magazine and a feed device.
  • the feed device has two axially displaceable sections, of which a first is fixed to the tool and a second carries the magazine. During tightening of a screw, the feed device is first held by a tab and then released.
  • a feed device for a screwdriver device which comprises a push unit which is telescopically connected to a roller unit.
  • Two separate positioning plates each have a receiving groove for a corresponding web on a screw strip.
  • a transport lever is pivotally hinged to the thrust unit and in a guide groove on the roller unit is guided. During a displacement of the push unit, the transport lever transports the screw strip.
  • a device for driving fasteners into a substrate with a receptacle for a fastener and a driving element, which drives a fastener in the receptacle in the ground.
  • the device comprises a transport element, which is engageable by means of a first spring force with a fastener or a fastener comprehensive strip from a first side in order to transport the fastener in a transport direction in the receptacle, and a holding element which by means of a second Spring force with a fastener or a fastener comprehensive strip from a second, the first side opposite side is engageable to block movement of the fastener opposite to the transport direction.
  • a preferred embodiment is characterized in that the device has a transport spring, which acts on the transport element with the first spring force against the fastening element or the strip.
  • the transport element is formed by the transport spring.
  • a preferred embodiment is characterized in that the device has a retaining spring, which acts on the retaining element with the second spring force against the fastening element or the strip.
  • the holding element is formed by the retaining spring.
  • a preferred embodiment is characterized in that the transport element has one or more transport projections for engagement in corresponding recesses on the strip and / or for engagement between two fastening elements.
  • the recesses are preferably arranged between each two fastening elements.
  • the recesses are each at the level of a fastening element, in particular its Longitudinal axis arranged.
  • the transport element is pivotally mounted about a first pivot axis.
  • a particularly preferred embodiment is characterized in that the transport projection on its side facing away from the receiving side has a first ramp, which causes a movement of the transport element transversely to the transport direction at one of the fastener or the strip in the transport direction to the transport element force.
  • a preferred embodiment is characterized in that the retaining element has one or more retaining projections for engagement in corresponding recesses on the strip or for engagement between two fastening elements.
  • the retaining element is pivotally mounted about a second pivot axis.
  • a particularly preferred embodiment is characterized in that the retaining projection on its side facing away from the receiving side, a second ramp which, in the case of a force acting on the transport element by the fastening element or the strip in the direction of transport, effects a movement of the retaining element transversely to the transport direction.
  • a preferred embodiment is characterized in that the transport element is arranged displaceably in the transport direction.
  • a preferred embodiment is characterized in that the holding element is arranged immovably in the transport direction.
  • a preferred embodiment is characterized in that the device comprises a Anpresspliler which actuates the transport element for transporting the fastener in the transport direction into the receptacle when the device is pressed against a substrate or when a driving operation is completed.
  • Fig. 1 shows a designed as a magazine attachment driving-in device 100 for fastening elements 110, which are preferably held by a strip 115.
  • the drive-in device 100 has a receptacle 120 for one of the fastening elements 110 and a passage 125 for a not shown, designed for example as a screw drive driving-in, which drives a fastener 110, which was previously positioned in the receptacle 120 in a substrate, not shown.
  • the driving-in device 100 has a housing 140, which is detachably fastened to a drive device, not shown, preferably holding the driving element, such as a cordless screwdriver with an electric motor, in order, in particular, to drive the driving element 130 in rotation.
  • the fasteners 110 are in the present embodiment as screws educated. In non-illustrated examples, the fasteners are designed as screw anchors, bolts, bolts, nails, rivets or the like.
  • the driving device 100 further comprises a Anpressconnectler 150, which for transporting a fastener 110 in the receptacle 120 actuated by a magazine cover 160 concealed transport mechanism when the driving device 100 is pressed against the ground and / or when a driving operation is completed.
  • the Anpressconnectler 150 and with it also the transport mechanism to be moved when pressed against the ground against a concealed by the housing 140 pressure spring on the housing 140 and moved away when lifting the drive-100 from the ground by the pressure corresponding to the housing 140.
  • the driving-in device 100 furthermore comprises a stop 135 delimiting the receptacle 120, which prevents a further transport of the fastening elements 110 beyond the receptacle 120.
  • a stop 135 delimiting the receptacle 120, which prevents a further transport of the fastening elements 110 beyond the receptacle 120.
  • the strip 115 on the stop 135 past in Fig. 1 are moved out of the driving-100 upwards.
  • the stopper 135 is slidably disposed via an actuating projection 132 against a stop spring, not shown, preferably against the contact pressure.
  • the stop 135 on guide rails 130 which are guided in guides 138 of the drive-100, and can be out of the way of the fasteners 110 in Fig. 1 move out to the left.
  • Fig. 2 and 3 show the driving device 100 from different sides, in each case for improved illustration, the magazine cover has been removed, so that the pressing spring 170 and the transport mechanism 200 are each partially visible.
  • the drive-in device 100 is in each case pressed against the ground, but ready for setting.
  • the transport mechanism 200 comprises a transport element 210, which is designed as a curved leaf spring and thus forms a transport spring.
  • the transport element 210 is fastened by means of a screw 220 to a transport carriage 230 and pressed by its spring force against the strip 115, so that the transport element 210 is in engagement with the strip 115.
  • the transport element 210 has a transport projection 240, which is formed by a corresponding bending of the leaf spring and engages in corresponding recesses 250 on the strip 115.
  • the transport element 210 is pivotably mounted with the transport projection 240 about a first pivot axis 260.
  • the recesses 250 are formed as breakthroughs. In non-illustrated embodiments, the recesses
  • the transport mechanism 200 includes a holding member 270 which is formed as a bent leaf spring and thus forms a retaining spring.
  • the holding member 270 is by means of a screw 280 at the in Fig. 3 Not shown magazine cover attached and pressed by its spring force against the strip 115 with the fasteners 110, so that the holding member 270 with the strip 115 is engaged.
  • the holding element has a holding projection 290, which is formed by a corresponding bending of the leaf spring and engages between the shanks 212 of two fastening elements 110 of the strip 115.
  • the holding element 270 is pivotably mounted with the holding projection 290 about a second pivot axis 300.
  • the Anpress detector 150 and with him the transport mechanism 200 are moved against the pressure spring 170 on the housing 140, whereby the transport mechanism 200 is actuated a first time.
  • About a tilted to a pressing direction control edge 145 of the housing 140 is fixedly connected to the transport carriage 230 control pin 235 and thus also the transport carriage 230 itself displaced against the transport direction 310, wherein a feed spring 330 is tensioned.
  • the transport carriage 230 with the transport element 210 is displaceably arranged in the transport direction 310 by means of a guide 320.
  • the strip 115 with the fasteners 110 is prevented from being moved against the attachment direction 310 by the retainer 270 so that a force in the transport direction acts during displacement of the transport carriage 230 from the strip 115 onto the transport projection 240 ,
  • the transport projection 240 has on its side remote from the receptacle 120 side a first ramp 340, which causes due to this force movement of the transport element 210 transversely to the transport direction 310.
  • the transport projection 240 slides out of the recess 250 and into the next recess 250.
  • the contact pressure sensor 150 and with it the transport mechanism 200 are moved away from the housing 140 by means of the pressing spring 170, whereby the transport mechanism 200 is actuated a second time. Due to the tensioned feed spring 330 of the transport carriage 230 is moved in the transport direction 310, wherein the control pin 235 of the control edge 145 during the lifting movement back in Fig. 2 is released to the top.
  • the transport projection 240 has on its side facing the receptacle 120 a driving surface 350, which is preferably oriented perpendicular to the transport direction 310.
  • the driving surface 350 is formed by a bent portion, in particular end piece, of the transport element 210.
  • the driving surface is formed by an end face of the transport element, preferably the transport projection 240.
  • the transport projection 240 takes the strip in the transport direction 310 and thus transports a fastening element 110 into the receptacle 120 and possibly against the in Fig. 2 concealed stop 135.
  • the fastener 110 is then supported in the desired position in the receptacle 120 by the transport element 210 and / or the support member 270, in particular held, advantageously supported only by the transport element 210 and / or the support member 270, in particular held.
  • a force acts in the direction of transport from the strip 115 via the fastening elements 110 to the retaining projection 290.
  • the holding projection 290 has on its side facing away from the receptacle 120 side, a second ramp 360, which causes a movement of the holding member 270 transversely to the transport direction 310 due to this force.
  • the fasteners 110 slide past the retaining projection 290, which is pivoted out of a space between two fasteners 110 and into the next space between two fasteners.
  • the holding projection 290 has on its side facing the receptacle 120 a blocking surface 370, which is preferably oriented perpendicular to the transport direction 310.
  • the blocking surface 370 is formed by a bent portion, in particular end piece, of the holding element 270.
  • the blocking surface by an end face of the holding element, preferably of the retaining projection, educated.
  • the retaining projection 290 with the blocking surface 370 blocks the strip and thus prevents undesired entrainment of the strip 115 with the transport carriage 230 in the direction opposite to the transport direction.
  • the holding element 270 is arranged immovably in the transport direction for this purpose.
  • a transport of the fastening elements 110 is prepared by the transport carriage 230 and thus the transport element 210 are moved against the transport direction, while the strip 115 remains in its position.
  • a fastening element 110 is transported into the receptacle 120 by the transport carriage 230 via the driving surface 350 of the transport element 210 moves the strip in the transport direction, while the holding member 270 is pivoted out of the movement path of the fasteners 110.
  • the driving-in device 110 is ready to settle already after it has been lifted off the ground, and the next driving-in process can already be started during the next pressing against a substrate, without first having to bring a fastening element into position.
  • the transport element engages in recesses of a fastener strip and the holding element from the opposite side into the space between two fasteners.
  • the retaining element engages in recesses of a fastener strip and the transport element from the opposite side into the space between two fasteners.
  • both the transport element and the holding element engage in recesses of a fastener element strip.
  • both the transport element and the holding element engage in intermediate spaces between in each case two fastening elements.
  • the present invention has been illustrated by the example of a fastener driving-in device. It should be noted, however, that the device according to the invention is also suitable for other applications.

Description

Die Erfindung betrifft eine Vorrichtung zum Eintreiben von Befestigungselementen in einen Untergrund.The invention relates to a device for driving fasteners into a substrate.

Derartige Vorrichtungen umfassen üblicherweise einen Schrauberbit, welcher das Befestigungselement in einen Untergrund eintreibt. Um die Befestigungselemente vor dem Schrauberbit zu positionieren, sind Transporträder bekannt, welche zwischen jeweils zwei Befestigungselemente eines Befestigungselementestreifens eingreifen, um ein Befestigungselement in eine Aufnahme vor dem Schrauberbit zu transportieren. Die Kraft hierfür ist vom Benutzer der Vorrichtung beispielsweise durch ein Anpressen der Vorrichtung an einen Untergrund aufzubringen. Ausserdem ist das Befestigungselement während des Eintreibens von einer Kraft quer zur Befestigungsrichtung beaufschlagt.Such devices usually include a screwdriver bit, which drives the fastener into a substrate. In order to position the fasteners in front of the screwdriver bit, transport wheels are known, which engage between each two fasteners of a fastener strip to transport a fastener into a receptacle in front of the screwdriver bit. The force for this is to be applied by the user of the device, for example by pressing the device to a substrate. In addition, the fastener is applied during the driving of a force transverse to the mounting direction.

Aus der US 4 014 225 ist ein kraftbetriebener Schraubenzieher bekannt, welcher ein motorbetriebenes Werkzeug, ein Schraubenmagazin und eine Vorschubeinrichtung umfasst. Die Vorschubeinrichtung weist zwei axial verschiebbare Abschnitte auf, von denen ein erstes am Werkzeug festgelegt ist und ein zweites das Magazin trägt. Während eines Anziehens einer Schraube wird die Vorschubeinrichtung von einer Lasche zunächst festgehalten und dann freigegeben.From the US 4 014 225 a power screwdriver is known, which comprises a motorized tool, a screw magazine and a feed device. The feed device has two axially displaceable sections, of which a first is fixed to the tool and a second carries the magazine. During tightening of a screw, the feed device is first held by a tab and then released.

Aus der EP 1 932 623 A1 ist eine Vorschubeinrichtung für ein Schraubenziehergerät bekannt, welche eine Schubeinheit umfasst, welche teleskopartig mit einer Walzeneinheit verbunden ist. Zwei separate Positionierplatten weisen jeweils eine Aufnahmenut für einen korrespondierenden Steg an einem Schraubenstreifen auf. Ein Transporthebel ist schwenkbar an der Schubeinheit angelenkt und in einer Führungsnut an der Walzeneinheit geführt ist. Bei einer Verschiebung der Schubeinheit transportiert der Transporthebel den Schraubenstreifen.From the EP 1 932 623 A1 a feed device for a screwdriver device is known, which comprises a push unit which is telescopically connected to a roller unit. Two separate positioning plates each have a receiving groove for a corresponding web on a screw strip. A transport lever is pivotally hinged to the thrust unit and in a guide groove on the roller unit is guided. During a displacement of the push unit, the transport lever transports the screw strip.

Es ist eine Aufgabe der Erfindung, eine Eintreibvorrichtung mit einem einfachen Transportmechanismus zur Verfügung zu stellen, bei der gegebenenfalls die auftretenden Kräfte reduziert und insbesondere vermieden sind.It is an object of the invention to provide a drive-in device with a simple transport mechanism in which, where appropriate, the forces occurring are reduced and in particular avoided.

Die Aufgabe wird gelöst durch eine Vorrichtung zum Eintreiben von Befestigungselementen in einen Untergrund, mit einer Aufnahme für ein Befestigungselement und einem Eintreibelement, welches ein Befestigungselement in der Aufnahme in den Untergrund eintreibt. Ferner umfasst die Vorrichtung ein Transportelement, welches mittels einer ersten Federkraft mit einem Befestigungselement oder einem ein Befestigungselement umfassenden Streifen von einer ersten Seite in Eingriff bringbar ist, um das Befestigungselement in einer Transportrichtung in die Aufnahme zu transportieren, und ein Halteelement, welches mittels einer zweiten Federkraft mit einem Befestigungselement oder einem ein Befestigungselement umfassenden Streifen von einer zweiten, der ersten Seite gegenüberliegenden Seite in Eingriff bringbar ist, um eine Bewegung des Befestigungselements entgegen der Transportrichtung zu blockieren.The object is achieved by a device for driving fasteners into a substrate, with a receptacle for a fastener and a driving element, which drives a fastener in the receptacle in the ground. Further, the device comprises a transport element, which is engageable by means of a first spring force with a fastener or a fastener comprehensive strip from a first side in order to transport the fastener in a transport direction in the receptacle, and a holding element which by means of a second Spring force with a fastener or a fastener comprehensive strip from a second, the first side opposite side is engageable to block movement of the fastener opposite to the transport direction.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass die Vorrichtung eine Transportfeder aufweist, welche das Transportelement mit der ersten Federkraft gegen das Befestigungselement beziehungsweise den Streifen beaufschlagt. Bevorzugt ist das Transportelement durch die Transportfeder gebildet.A preferred embodiment is characterized in that the device has a transport spring, which acts on the transport element with the first spring force against the fastening element or the strip. Preferably, the transport element is formed by the transport spring.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass die Vorrichtung eine Haltefeder aufweist, welche das Halteelement mit der zweiten Federkraft gegen das Befestigungselement beziehungsweise den Streifen beaufschlagt. Bevorzugt ist das Halteelement durch die Haltefeder gebildet.A preferred embodiment is characterized in that the device has a retaining spring, which acts on the retaining element with the second spring force against the fastening element or the strip. Preferably, the holding element is formed by the retaining spring.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass das Transportelement einen oder mehrere Transportvorsprünge zum Eingriff in korrespondierende Ausnehmungen an dem Streifen und/oder zum Eingriff zwischen zwei Befestigungselemente aufweist. Die Ausnehmungen sind dabei bevorzugt zwischen jeweils zwei Befestigungselementen angeordnet. Gemäss einer weiteren Ausführungsform sind die Ausnehmungen auf Höhe jeweils eines Befestigungselementes, insbesondere dessen Längsachse angeordnet. Bevorzugt ist das Transportelement um eine erste Schwenkachse schwenkbar gelagert.A preferred embodiment is characterized in that the transport element has one or more transport projections for engagement in corresponding recesses on the strip and / or for engagement between two fastening elements. The recesses are preferably arranged between each two fastening elements. According to a further embodiment, the recesses are each at the level of a fastening element, in particular its Longitudinal axis arranged. Preferably, the transport element is pivotally mounted about a first pivot axis.

Eine besonders bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass der Transportvorsprung auf seiner von der Aufnahme abgewandten Seite eine erste Rampe aufweist, welche bei einer von dem Befestigungselement beziehungsweise dem Streifen in Transportrichtung auf das Transportelement wirkenden Kraft eine Bewegung des Transportelements quer zur Transportrichtung bewirkt.A particularly preferred embodiment is characterized in that the transport projection on its side facing away from the receiving side has a first ramp, which causes a movement of the transport element transversely to the transport direction at one of the fastener or the strip in the transport direction to the transport element force.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass das Halteelement einen oder mehrere Haltevorsprünge zum Eingriff in korrespondierende Ausnehmungen an dem Streifen oder zum Eingriff zwischen zwei Befestigungselemente aufweist. Bevorzugt ist das Halteelement um eine zweite Schwenkachse schwenkbar gelagert.A preferred embodiment is characterized in that the retaining element has one or more retaining projections for engagement in corresponding recesses on the strip or for engagement between two fastening elements. Preferably, the retaining element is pivotally mounted about a second pivot axis.

Eine besonders bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass der Haltevorsprung auf seiner von der Aufnahme abgewandten Seite eine zweite Rampe aufweist, welche bei einer von dem Befestigungselement beziehungsweise dem Streifen in Transportrichtung auf das Transportelement wirkenden Kraft eine Bewegung des Halteelements quer zur Transportrichtung bewirkt.A particularly preferred embodiment is characterized in that the retaining projection on its side facing away from the receiving side, a second ramp which, in the case of a force acting on the transport element by the fastening element or the strip in the direction of transport, effects a movement of the retaining element transversely to the transport direction.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass das Transportelement in Transportrichtung verschiebbar angeordnet ist.A preferred embodiment is characterized in that the transport element is arranged displaceably in the transport direction.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass das Halteelement in Transportrichtung unverschiebbar angeordnet ist.A preferred embodiment is characterized in that the holding element is arranged immovably in the transport direction.

Eine bevorzugte Ausführungsform kennzeichnet sich dadurch aus, dass die Vorrichtung einen Anpressfühler umfasst, welcher das Transportelement zum Transport des Befestigungselements in der Transportrichtung in die Aufnahme betätigt, wenn die Vorrichtung an einen Untergrund angepresst wird oder wenn ein Eintreibvorgang beendet ist.A preferred embodiment is characterized in that the device comprises a Anpressfühler which actuates the transport element for transporting the fastener in the transport direction into the receptacle when the device is pressed against a substrate or when a driving operation is completed.

Nachfolgend werden bevorzugte Ausführungsbeispiele unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen:

Fig. 1
eine Eintreibvorrichtung,
Fig. 2
einen Transportmechanismus einer Eintreibvorrichtung, und
Fig. 3
einen Transportmechanismus.
Hereinafter, preferred embodiments will be explained in more detail with reference to the drawings. Show it:
Fig. 1
a driving device,
Fig. 2
a transport mechanism of a driving-in device, and
Fig. 3
a transport mechanism.

Fig. 1 zeigt eine als Magazinvorsatz ausgebildete Eintreibvorrichtung 100 für Befestigungselemente 110, welche bevorzugt von einem Streifen 115 gehalten sind. Die Eintreibvorrichtung 100 weist eine Aufnahme 120 für jeweils eines der Befestigungselemente 110 sowie einen Durchlass 125 für ein nicht dargestelltes, beispielsweise als Schraubenantrieb ausgebildetes Eintreibelement auf, welches ein Befestigungselement 110, welches zuvor in der Aufnahme 120 positioniert wurde, in einen nicht dargestellten Untergrund eintreibt. Ferner weist die Eintreibvorrichtung 100 ein Gehäuse 140 auf, welches an einer nicht dargestellten, vorzugsweise das Eintreibelement haltenden Antriebsvorrichtung wie beispielsweise einem Akkuschrauber mit Elektromotor lösbar befestigt wird, um das Eintreibelement 130 insbesondere drehend anzutreiben. Die Befestigungselemente 110 sind im vorliegenden Ausführungsbeispiel als Schrauben ausgebildet. Bei nicht dargestellten Beispielen sind die Befestigungselemente als Schraubanker, Bolzen, Schraubbolzen, Nägel, Nieten oder dergleichen ausgebildet. Fig. 1 shows a designed as a magazine attachment driving-in device 100 for fastening elements 110, which are preferably held by a strip 115. The drive-in device 100 has a receptacle 120 for one of the fastening elements 110 and a passage 125 for a not shown, designed for example as a screw drive driving-in, which drives a fastener 110, which was previously positioned in the receptacle 120 in a substrate, not shown. Furthermore, the driving-in device 100 has a housing 140, which is detachably fastened to a drive device, not shown, preferably holding the driving element, such as a cordless screwdriver with an electric motor, in order, in particular, to drive the driving element 130 in rotation. The fasteners 110 are in the present embodiment as screws educated. In non-illustrated examples, the fasteners are designed as screw anchors, bolts, bolts, nails, rivets or the like.

Die Eintreibvorrichtung 100 umfasst weiterhin einen Anpressfühler 150, welcher zum Transport eines Befestigungselements 110 in die Aufnahme 120 einen von einer Magazinabdeckung 160 verdeckten Transportmechanismus betätigt, wenn die Eintreibvorrichtung 100 an den Untergrund angepresst wird und/oder wenn ein Eintreibvorgang beendet ist. Der Anpressfühler 150 und mit ihm auch der Transportmechanismus werden dazu beim Anpressen an den Untergrund gegen eine vom Gehäuse 140 verdeckte Anpressfeder auf das Gehäuse 140 zubewegt und beim Abheben der Eintreibvorrichtung 100 vom Untergrund durch die Anpressfeder entsprechend von dem Gehäuse 140 wegbewegt.The driving device 100 further comprises a Anpressfühler 150, which for transporting a fastener 110 in the receptacle 120 actuated by a magazine cover 160 concealed transport mechanism when the driving device 100 is pressed against the ground and / or when a driving operation is completed. The Anpressfühler 150 and with it also the transport mechanism to be moved when pressed against the ground against a concealed by the housing 140 pressure spring on the housing 140 and moved away when lifting the drive-100 from the ground by the pressure corresponding to the housing 140.

Die Eintreibvorrichtung 100 umfasst weiterhin einen die Aufnahme 120 begrenzenden Anschlag 135, welcher einen Weitertransport der Befestigungselemente 110 über die Aufnahme 120 hinaus verhindert. So lange die Befestigungselemente 110 in der Aufnahme 120 aus dem Streifen 115 vereinzelt werden, kann der Streifen 115 an dem Anschlag 135 vorbei in Fig. 1 nach oben aus der Eintreibvorrichtung 100 herausbewegt werden. Um den Streifen 115 mit nicht verbrauchten Befestigungselementen 110 ebenfalls aus der Eintreibvorrichtung 100 herausnehmen zu können, ist der Anschlag 135 über einen Betätigungsvorsprung 132 gegen eine nicht dargestellte Anschlagfeder, bevorzugt gegen die Anpressfeder verschiebbar angeordnet. Zu diesem Zweck weist der Anschlag 135 Führungsschienen 130 auf, welche in Führungen 138 der Eintreibvorrichtung 100 geführt sind, und lässt sich aus dem Weg der Befestigungselemente 110 in Fig. 1 nach links heraus bewegen.The driving-in device 100 furthermore comprises a stop 135 delimiting the receptacle 120, which prevents a further transport of the fastening elements 110 beyond the receptacle 120. As long as the fasteners 110 are singulated in the receptacle 120 from the strip 115, the strip 115 on the stop 135 past in Fig. 1 are moved out of the driving-100 upwards. In order to remove the strip 115 with unused fasteners 110 also from the driving device 100, the stopper 135 is slidably disposed via an actuating projection 132 against a stop spring, not shown, preferably against the contact pressure. For this purpose, the stop 135 on guide rails 130 which are guided in guides 138 of the drive-100, and can be out of the way of the fasteners 110 in Fig. 1 move out to the left.

Fig. 2 und 3 zeigen die Eintreibvorrichtung 100 von verschiedenen Seiten, wobei jeweils zur verbesserten Darstellung die Magazinabdeckung entfernt wurde, so dass die Anpressfeder 170 sowie der Transportmechanismus 200 jeweils teilweise sichtbar werden. Die Eintreibvorrichtung 100 befindet sich jeweils im nicht an den Untergrund angepressten, aber setzbereiten Zustand. Der Transportmechanismus 200 umfasst ein Transportelement 210, welches als gebogene Blattfeder ausgebildet ist und somit eine Transportfeder bildet. Das Transportelement 210 ist mittels einer Schraube 220 an einem Transportschlitten 230 befestigt und mittels seiner Federkraft gegen den Streifen 115 gedrückt, so dass das Transportelement 210 mit dem Streifen 115 in Eingriff ist. Das Transportelement 210 weist einen Transportvorsprung 240 auf, welcher durch eine entsprechende Biegung der Blattfeder gebildet ist und in korrespondierende Ausnehmungen 250 an dem Streifen 115 eingreift. Das Transportelement 210 ist mit dem Transportvorsprung 240 um eine erste Schwenkachse 260 schwenkbar gelagert. Die Ausnehmungen 250 sind als Durchbrüche ausgebildet. Bei nicht dargestellten Ausführungsbeispielen sind die Ausnehmungen als Vertiefungen ausgebildet. Fig. 2 and 3 show the driving device 100 from different sides, in each case for improved illustration, the magazine cover has been removed, so that the pressing spring 170 and the transport mechanism 200 are each partially visible. The drive-in device 100 is in each case pressed against the ground, but ready for setting. The transport mechanism 200 comprises a transport element 210, which is designed as a curved leaf spring and thus forms a transport spring. The transport element 210 is fastened by means of a screw 220 to a transport carriage 230 and pressed by its spring force against the strip 115, so that the transport element 210 is in engagement with the strip 115. The transport element 210 has a transport projection 240, which is formed by a corresponding bending of the leaf spring and engages in corresponding recesses 250 on the strip 115. The transport element 210 is pivotably mounted with the transport projection 240 about a first pivot axis 260. The recesses 250 are formed as breakthroughs. In non-illustrated embodiments, the recesses are formed as depressions.

Ferner umfasst der Transportmechanismus 200 ein Halteelement 270, welches als gebogene Blattfeder ausgebildet ist und somit eine Haltefeder bildet. Das Halteelement 270 ist mittels einer Schraube 280 an der in Fig. 3 nicht dargestellten Magazinabdeckung befestigt und mittels seiner Federkraft gegen den Streifen 115 mit den Befestigungselementen 110 gedrückt, so dass das Halteelement 270 mit dem Streifen 115 in Eingriff ist. Das Halteelement weist einen Haltevorsprung 290 auf, welcher durch eine entsprechende Biegung der Blattfeder gebildet ist und zwischen die Schäfte 212 zweier Befestigungselemente 110 des Streifens 115 eingreift. Das Halteelement 270 ist mit dem Haltevorsprung 290 um eine zweite Schwenkachse 300 schwenkbar gelagert.Further, the transport mechanism 200 includes a holding member 270 which is formed as a bent leaf spring and thus forms a retaining spring. The holding member 270 is by means of a screw 280 at the in Fig. 3 Not shown magazine cover attached and pressed by its spring force against the strip 115 with the fasteners 110, so that the holding member 270 with the strip 115 is engaged. The holding element has a holding projection 290, which is formed by a corresponding bending of the leaf spring and engages between the shanks 212 of two fastening elements 110 of the strip 115. The holding element 270 is pivotably mounted with the holding projection 290 about a second pivot axis 300.

Wird die Eintreibvorrichtung 100 ausgehend von der in Fig. 2 gezeigten Stellung für einen Eintreibvorgang an den Untergrund angepresst, werden der Anpressfühler 150 und mit ihm der Transportmechanismus 200 gegen die Anpressfeder 170 auf das Gehäuse 140 zubewegt, wodurch der Transportmechanismus 200 ein erstes Mal betätigt wird. Über eine zu einer Anpressrichtung geneigte Steuerkante 145 des Gehäuses 140 wird ein mit dem Transportschlitten 230 fest verbundener Steuerstift 235 und somit auch der Transportschlitten 230 selbst entgegen der Transportrichtung 310 verschoben, wobei eine Vorschubfeder 330 gespannt wird. Der Transportschlitten 230 mit dem Transportelement 210 ist dazu mittels einer Führung 320 in der Transportrichtung 310 verschiebbar angeordnet.If the driving device 100, starting from the in Fig. 2 shown pressed position for a drive-in to the ground, the Anpressfühler 150 and with him the transport mechanism 200 are moved against the pressure spring 170 on the housing 140, whereby the transport mechanism 200 is actuated a first time. About a tilted to a pressing direction control edge 145 of the housing 140 is fixedly connected to the transport carriage 230 control pin 235 and thus also the transport carriage 230 itself displaced against the transport direction 310, wherein a feed spring 330 is tensioned. The transport carriage 230 with the transport element 210 is displaceably arranged in the transport direction 310 by means of a guide 320.

Wie im Folgenden beschrieben ist, wird der Streifen 115 mit den Befestigungselementen 110 von dem Halteelement 270 daran gehindert, entgegen der Befestigungsrichtung 310 bewegt zu werden, so dass während der Verschiebung des Transportschlittens 230 von dem Streifen 115 auf den Transportvorsprung 240 eine Kraft in Transportrichtung wirkt. Der Transportvorsprung 240 weist auf seiner von der Aufnahme 120 abgewandten Seite eine erste Rampe 340 auf, welche aufgrund dieser Kraft eine Bewegung des Transportelements 210 quer zur Transportrichtung 310 bewirkt. Während der Verschiebung des Transportschlittens 230 gleitet der Transportvorsprung 240 aus der Ausnehmung 250 heraus und in die nächste Ausnehmung 250 hinein.As will be described below, the strip 115 with the fasteners 110 is prevented from being moved against the attachment direction 310 by the retainer 270 so that a force in the transport direction acts during displacement of the transport carriage 230 from the strip 115 onto the transport projection 240 , The transport projection 240 has on its side remote from the receptacle 120 side a first ramp 340, which causes due to this force movement of the transport element 210 transversely to the transport direction 310. During the displacement of the transport carriage 230, the transport projection 240 slides out of the recess 250 and into the next recess 250.

Wird die Eintreibvorrichtung 100 nach dem Eintreibvorgang wieder von dem Untergrund abgehoben, werden der Anpressfühler 150 und mit ihm der Transportmechanismus 200 mittels der Anpressfeder 170 von dem Gehäuse 140 wegbewegt, wodurch der Transportmechanismus 200 ein zweites Mal betätigt wird. Aufgrund der gespannten Vorschubfeder 330 wird der Transportschlitten 230 in der Transportrichtung 310 verschoben, wobei der Steuerstift 235 von der Steuerkante 145 während der Abhebebewegung wieder in Fig. 2 nach oben freigegeben wird. Der Transportvorsprung 240 weist auf seiner der Aufnahme 120 zugewandten Seite eine Mitnahmefläche 350 auf, welche vorzugsweise senkrecht zur Transportrichtung 310 orientiert ist. Die Mitnahmefläche 350 ist durch ein umgebogenes Teilstück, insbesondere Endstück, des Transportelements 210 gebildet. Bei einem nicht gezeigten Ausführungsbeispiel ist die Mitnahmefläche durch eine Stirnseite des Transportelements, vorzugsweise des Transportvorsprungs 240, gebildet. Während der Verschiebung des Transportschlittens 230 nimmt der Transportvorsprung 240 den Streifen in Transportrichtung 310 mit und transportiert so ein Befestigungselement 110 in die Aufnahme 120 hinein und unter Umständen gegen den in Fig. 2 verdeckten Anschlag 135. Das Befestigungselement 110 ist dann in der gewünschten Position in der Aufnahme 120 durch das Transportelement 210 und/oder das Halteelement 270 abgestützt, insbesondere gehalten, vorteilhaft nur durch das Transportelement 210 und/oder das Halteelement 270 abgestützt, insbesondere gehalten.If the driving-in device 100 is lifted off the substrate again after the driving operation, the contact pressure sensor 150 and with it the transport mechanism 200 are moved away from the housing 140 by means of the pressing spring 170, whereby the transport mechanism 200 is actuated a second time. Due to the tensioned feed spring 330 of the transport carriage 230 is moved in the transport direction 310, wherein the control pin 235 of the control edge 145 during the lifting movement back in Fig. 2 is released to the top. The transport projection 240 has on its side facing the receptacle 120 a driving surface 350, which is preferably oriented perpendicular to the transport direction 310. The driving surface 350 is formed by a bent portion, in particular end piece, of the transport element 210. In an embodiment not shown, the driving surface is formed by an end face of the transport element, preferably the transport projection 240. During the displacement of the transport carriage 230, the transport projection 240 takes the strip in the transport direction 310 and thus transports a fastening element 110 into the receptacle 120 and possibly against the in Fig. 2 concealed stop 135. The fastener 110 is then supported in the desired position in the receptacle 120 by the transport element 210 and / or the support member 270, in particular held, advantageously supported only by the transport element 210 and / or the support member 270, in particular held.

Während des Transports wirkt von dem Streifen 115 über die Befestigungselemente 110 auf den Haltevorsprung 290 eine Kraft in Transportrichtung. Der Haltevorsprung 290 weist auf seiner von der Aufnahme 120 abgewandten Seite eine zweite Rampe 360 auf, welche aufgrund dieser Kraft eine Bewegung des Halteelements 270 quer zur Transportrichtung 310 bewirkt. Während der Verschiebung des Streifens 115 gleiten die Befestigungselemente 110 an dem Haltevorsprung 290 vorbei, welcher aus einem Zwischenraum zwischen zwei Befestigungselementen 110 heraus und in den nächsten Zwischenraum zwischen zwei Befestigungselementen hinein geschwenkt wird.During transport, a force acts in the direction of transport from the strip 115 via the fastening elements 110 to the retaining projection 290. The holding projection 290 has on its side facing away from the receptacle 120 side, a second ramp 360, which causes a movement of the holding member 270 transversely to the transport direction 310 due to this force. During the displacement of the strip 115, the fasteners 110 slide past the retaining projection 290, which is pivoted out of a space between two fasteners 110 and into the next space between two fasteners.

Der Haltevorsprung 290 weist auf seiner der Aufnahme 120 zugewandten Seite eine Blockierfläche 370 auf, welche vorzugsweise senkrecht zur Transportrichtung 310 orientiert ist. Die Blockierfläche 370 ist durch ein umgebogenes Teilstück, insbesondere Endstück, des Halteelements 270 gebildet. Bei einem nicht gezeigten Ausführungsbeispiel ist die Blockierfläche durch eine Stirnseite des Halteelements, vorzugsweise des Haltevorsprungs, gebildet. Während der Verschiebung des Transportschlittens 230 entgegen der Transportrichtung 310 blockiert der Haltevorsprung 290 mit der Blockierfläche 370 den Streifen und verhindert so ein unerwünschtes Mitbewegen des Streifens 115 mit dem Transportschlitten 230 entgegen der Transportrichtung. Das Halteelement 270 ist zu diesem Zweck in Transportrichtung unverschiebbar angeordnet.The holding projection 290 has on its side facing the receptacle 120 a blocking surface 370, which is preferably oriented perpendicular to the transport direction 310. The blocking surface 370 is formed by a bent portion, in particular end piece, of the holding element 270. In an embodiment not shown, the blocking surface by an end face of the holding element, preferably of the retaining projection, educated. During the displacement of the transport carriage 230 against the transport direction 310, the retaining projection 290 with the blocking surface 370 blocks the strip and thus prevents undesired entrainment of the strip 115 with the transport carriage 230 in the direction opposite to the transport direction. The holding element 270 is arranged immovably in the transport direction for this purpose.

Zusammenfassend wird also beim Anpressen der Eintreibvorrichtung 100 ein Transport der Befestigungselemente 110 vorbereitet, indem der Transportschlitten 230 und damit das Transportelement 210 entgegen der Transportrichtung bewegt werden, während der Streifen 115 in seiner Position verbleibt. Beim Abheben der Eintreibvorrichtung 110 nach dem Eintreibvorgang wird ein Befestigungselement 110 in die Aufnahme 120 transportiert, indem der Transportschlitten 230 über die Mitnahmefläche 350 des Transportelementes 210 den Streifen in Transportrichtung bewegt, während das Halteelement 270 aus der Bewegungsbahn der Befestigungselemente 110 geschwenkt wird. Somit ist die Eintreibvorrichtung 110 bereits nach dem Abheben vom Untergrund wieder setzbereit und es kann bereits während des nächsten Anpressens an einen Untergrund der nächste Eintreibvorgang begonnen werden, ohne dass erst ein Befestigungselement in Position gebracht werden muss.In summary, when transporting the driving device 100, a transport of the fastening elements 110 is prepared by the transport carriage 230 and thus the transport element 210 are moved against the transport direction, while the strip 115 remains in its position. When lifting the drive-in device 110 after the driving operation, a fastening element 110 is transported into the receptacle 120 by the transport carriage 230 via the driving surface 350 of the transport element 210 moves the strip in the transport direction, while the holding member 270 is pivoted out of the movement path of the fasteners 110. Thus, the driving-in device 110 is ready to settle already after it has been lifted off the ground, and the next driving-in process can already be started during the next pressing against a substrate, without first having to bring a fastening element into position.

Bei der gezeigten Eintreibvorrichtung greift das Transportelement in Ausnehmungen eines Befestigungselementestreifens und das Halteelement von der gegenüberliegenden Seite in den Zwischenraum zwischen zwei Befestigungselementen ein. Bei nicht dargestellten Ausführungsbeispielen greift das Halteelement in Ausnehmungen eines Befestigungselementestreifens und das Transportelement von der gegenüberliegenden Seite in den Zwischenraum zwischen zwei Befestigungselementen ein. Bei weiteren nicht dargestellten Ausführungsbeispielen greifen sowohl das Transportelement als auch das Halteelement in Ausnehmungen eines Befestigungselementestreifens ein. Bei weiteren nicht dargestellten Ausführungsbeispielen greifen sowohl das Transportelement als auch das Halteelement in Zwischenräume zwischen jeweils zwei Befestigungselementen ein.In the driving device shown, the transport element engages in recesses of a fastener strip and the holding element from the opposite side into the space between two fasteners. In non-illustrated embodiments, the retaining element engages in recesses of a fastener strip and the transport element from the opposite side into the space between two fasteners. In further embodiments, not shown, both the transport element and the holding element engage in recesses of a fastener element strip. In further embodiments, not shown, both the transport element and the holding element engage in intermediate spaces between in each case two fastening elements.

Die vorliegende Erfindung wurde am Beispiel einer Eintreibvorrichtung für Befestigungselemente dargestellt. Es wird jedoch darauf hingewiesen, dass die erfindungsgemässe Vorrichtung auch für andere Anwendungszwecke geeignet ist.The present invention has been illustrated by the example of a fastener driving-in device. It should be noted, however, that the device according to the invention is also suitable for other applications.

Claims (14)

  1. Device for driving fastening elements into a foundation, with a holder (120) for a fastening element, with an opening (125) for a driving element, which drives a fastening element in the holder (120) into the foundation, with a transporting element (210), which may be brought into engagement with a fastening element or a strip (115) comprising a fastening element from a first side by means of a first spring force, in order to transport the fastening element in a direction of transport into the holder (120), and with a holding element, which may be brought into engagement with a fastening element or a strip (115) comprising a fastening element from a second side opposite the first side by means of a second spring force, in order to block a movement of the fastening element against the direction of transport.
  2. Device according to claim 1, in which the device has a transporting spring, which subjects the transporting element (210) to the first spring force against the fastening element or strip (115).
  3. Device according to claim 2, in which the transporting element (210) is formed by the transporting spring.
  4. Device according to one of the previous claims, in which the device has a holding spring, which subjects the holding element to the second spring force against the fastening element or strip (115).
  5. Device according to claim 4, in which the holding element is formed by the holding spring.
  6. Device according to one of the previous claims, in which the transporting element (210) has one or several transporting protrusions for engaging in corresponding recesses on the strip (115) or for engaging between two fastening elements.
  7. Device according to claim 6, in which the transporting protrusion has a first ramp on its side facing away from the holder (120), which causes a movement of the transporting element crosswise to the direction of transport with a force by the fastening element or strip (115) acting on the transporting element (210) in the direction of transport.
  8. Device according to one of the previous claims, in which the transporting element (210) is housed so that it may swivel around a first swivel axis.
  9. Device according to one of the previous claims, in which the holding element has one or several holding protrusions for engaging in corresponding recesses on the strip (115) or for engaging between two fastening elements.
  10. Device according to claim 9, in which the holding protrusion has a second ramp on its side facing away from the holder (120), which causes a movement of the holding element crosswise to the direction of transport with a force by the fastening element or strip (115) acting on the transporting element (120) in the direction of transport.
  11. Device according to one of the previous claims, in which the holding element is housed so that it may swivel around a second swivel axis.
  12. Device according to one of the previous claims, in which the transporting element (210) is arranged so that it may be moved in the direction of transport.
  13. Device according to one of the previous claims, in which the holding element is arranged so that it may not be moved in the direction of transport.
  14. Device according to one of the previous claims, comprising a pressure sensor, which operates the transporting element (210) for transporting the fastening element in the direction of transport into the holder (120), if the device is pressed onto a foundation and/or a driving process is ended.
EP12797830.2A 2011-12-22 2012-11-28 Driving-in device Active EP2794190B1 (en)

Applications Claiming Priority (2)

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DE102011089521A DE102011089521A1 (en) 2011-12-22 2011-12-22 driving-
PCT/EP2012/073782 WO2013092137A1 (en) 2011-12-22 2012-11-28 Driving-in device

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EP2794190A1 EP2794190A1 (en) 2014-10-29
EP2794190B1 true EP2794190B1 (en) 2018-01-10

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US (1) US20140338505A1 (en)
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KR (2) KR20140103182A (en)
DE (1) DE102011089521A1 (en)
WO (1) WO2013092137A1 (en)

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Publication number Priority date Publication date Assignee Title
TWI589408B (en) * 2013-12-17 2017-07-01 致伸科技股份有限公司 Screwing device and screw supplementary device
CN107433547B (en) * 2016-05-28 2021-01-15 富泰华工业（深圳）有限公司 Screw releasing device
EP3670087A1 (en) * 2018-12-20 2020-06-24 Hilti Aktiengesellschaft Driving device

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US2401840A (en) * 1943-12-22 1946-06-11 Olson William Fastener driving device
US4014225A (en) * 1973-02-02 1977-03-29 Bulten-Kanthal Aktiebolag Power-driven screwdriver
US4200214A (en) * 1978-05-10 1980-04-29 Swingline, Inc. Adjustable magazine for fastener driving tool
US5588577A (en) * 1995-06-14 1996-12-31 Testo Industry Corp. Magazine assembly for pneumatic staple guns
DE19522815A1 (en) * 1995-06-23 1997-01-02 Hilti Ag Transport device for a strip-shaped screw magazine
JP4349178B2 (en) * 2004-03-29 2009-10-21 日立工機株式会社 Driving machine
DE102004025752A1 (en) * 2004-05-26 2005-12-22 Hilti Ag Magazine attachment for hand operated screw device, has intake device for intake of fastening units and extension bit axially and radially fixed in carrier unit and rotatably coupled to screw bit that is held at screw device
US7134586B2 (en) * 2004-06-30 2006-11-14 Stanley Fastening Systems, L.P. Fastener driving device
US8505798B2 (en) * 2005-05-12 2013-08-13 Stanley Fastening Systems, L.P. Fastener driving device
AU2006247703B2 (en) * 2005-05-12 2011-05-26 Stanley Fastening Systems, L.P. Fastener driving device
US20080048000A1 (en) * 2006-05-31 2008-02-28 David Simonelli Fastener driving device
JP2007160411A (en) * 2005-12-09 2007-06-28 Makita Corp Idle blow preventing device of driving machine
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TWI434754B (en) * 2007-08-17 2014-04-21 Rexon Ind Corp Ltd Nailer rotation device
JP2009190105A (en) * 2008-02-13 2009-08-27 Makita Corp Magazine of driving tool
US7934566B2 (en) * 2008-08-14 2011-05-03 Robert Bosch Gmbh Cordless nailer drive mechanism sensor
DE102011077433A1 (en) * 2011-06-10 2012-12-13 Hilti Aktiengesellschaft Driving element, transport device and drive-in device

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DE102011089521A1 (en) 2013-06-27
KR20160058961A (en) 2016-05-25
KR101892830B1 (en) 2018-08-28
US20140338505A1 (en) 2014-11-20
KR20140103182A (en) 2014-08-25
EP2794190A1 (en) 2014-10-29
WO2013092137A1 (en) 2013-06-27

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