EP0818275A1 - Fastener setting tool with feeding device for strip cartridges - Google Patents

Fastener setting tool with feeding device for strip cartridges Download PDF

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Publication number
EP0818275A1
EP0818275A1 EP97810251A EP97810251A EP0818275A1 EP 0818275 A1 EP0818275 A1 EP 0818275A1 EP 97810251 A EP97810251 A EP 97810251A EP 97810251 A EP97810251 A EP 97810251A EP 0818275 A1 EP0818275 A1 EP 0818275A1
Authority
EP
European Patent Office
Prior art keywords
transport
lever
armed
arm
path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97810251A
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German (de)
French (fr)
Other versions
EP0818275B1 (en
Inventor
Angelo Ramella
Guido Sutter
Hans Tischhauser
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
Application filed by Hilti AG filed Critical Hilti AG
Publication of EP0818275A1 publication Critical patent/EP0818275A1/en
Application granted granted Critical
Publication of EP0818275B1 publication Critical patent/EP0818275B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B25C1/003—Nail feeding devices for belts of nails
    • 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

Definitions

  • the invention relates to a setting tool with a transport device according to the preamble of claim 1.
  • a setting device with a transport device for strip-shaped Magazines known, on which spaced apart fasteners are arranged.
  • the transport device has a housing opposite the Setting tool, as well as a guide channel that can be moved parallel to the setting direction having attachment and a two-armed pivotally arranged on the attachment Transport lever open.
  • On a first lever arm of the two-armed transport lever there is one with a magazine arranged in the guide channel interacting, swiveling pawl.
  • the second lever arm works with one Control curve of the housing together. A swiveling of the two-armed Transport lever in the transport direction takes place when the setting tool against a surface is pressed and the attachment moves towards the housing.
  • the transport device of this known setting tool is due to the constructive Interpretation only capable of a single, uniform, predetermined transport route ensure. A change in this constructively predetermined transport route is not possible.
  • the object of the invention is a for a setting tool of the type mentioned Transport device to create the different transport routes without manual Intervention allows.
  • the solution to these tasks is a setting tool with transposing device, at the between the stop surface of the housing and the second lever arm of the two-armed transport lever one arranged on the attachment, against the force of a spring one-armed transport lever that can be moved in the setting direction is arranged, which can be moved by a path that is at least the transport path of the two-armed Corresponds to the transport lever.
  • the one-armed transport lever enables a first magazine to be transported subsequent magazine inserted into the guide channel. Is only one first magazine in the guide channel, this first magazine is transported via the two-armed transport lever. There is another, the first magazine subsequent magazine in the guide channel, so both magazines are transported through the one-armed transport lever as soon as this with the first Fastening element of the following magazine interacts.
  • the problem may arise reveal that the distance between the last fastener of the first Magazine and the first fastener of the second magazine is larger than that Transport route of the two-armed transport lever. It will be different Transport routes required by the transport device.
  • the one-armed transport lever with the first fastener of subsequent magazine can work together, it must be a larger one Have transport path than the two-armed transport lever. It is expedient therefore between the one-armed transport lever and the two-armed transport lever a transmission element arranged opposite to at least one of the two Transport lever is displaceable by a path that is at least the transport path of the corresponds to two-armed transport lever.
  • the different transport routes of the two transport levers are determined using the Achieved transmission element, which is preferably formed by a slide, whose first end region is connected to one of the transport levers and second end region an elongated hole-like, from a stop further Transport lever has penetrated guide opening.
  • the Achieved transmission element which is preferably formed by a slide, whose first end region is connected to one of the transport levers and second end region an elongated hole-like, from a stop further Transport lever has penetrated guide opening.
  • a compact design of the transport device in the area of the second Transport lever is achieved when the transmission element advantageously the two-armed transport lever is connected.
  • the Transport of both magazines in the guide channel by a path that corresponds to the transport path of the two-armed transport lever.
  • the pressure path of the setting tool For example is larger than the transport path of the second transport lever, the Excess pressure path can be compensated for by the transport device.
  • the one-armed transport lever and the Stop surface of the housing arranged a transport arm with a bearing surface, the compared to the one-armed transport lever is displaceable by a path that corresponds at least to the transport path of the two-armed transport lever.
  • the spring force of the spring element is greater than the spring force of the Feather.
  • the setting tool is removed from the surface after a pressing process lifted without the fastener in the set position in the Drive underground, then in the subsequent pressing process Do not move magazines in the guide channel in the transport direction so that that transmitted from a stop surface of the housing to the transport device
  • the pressure path must be fully compensated without the transport levers offset. At least part of the contact path is covered with the support surface compensated, which can be moved one way in relation to the transport arm in the setting direction which corresponds at least to the transport path of the two-armed transport lever.
  • the pressing path of the setting tool corresponds to the double transport path of the two-armed transport lever, half the contact distance between the Transport arm and the one-armed transport lever compensated.
  • the Spring force of the compression spring is greater than the spring force of the spring element.
  • the magazine can be transported properly in the guide channel can, preferably corresponds to the transport path of the two-armed transport lever Distance between two adjacent, on the strip-shaped magazine arranged fasteners.
  • the setting tool shown in Fig. 1 has a housing 1 to which a guide tube 3 connects in the setting direction. Opposite this guide tube 3 is a cylindrical guide part 4 against the setting direction against the force of a arranged between the housing 1 and the cylindrical guide part 4 Positioning spring 5 can be moved.
  • On the setting direction side of the The guide part 4 is followed by a base plate 6 on which a transport device 7 is attached.
  • This transport device is actuated by means of a Housing in the setting direction protruding stop surface 2, which against a support surface 28th inside the transport device presses when the setting tool is not against you shown underground is pressed.
  • a free end protrudes from the attachment 8 Guide shaft 25, along which a transport arm arranged inside the attachment 26 is displaceable.
  • the transport device 7 shown in FIG. 2 has an attachment 8 with a Inlet opening 31 and an outlet opening 32.
  • the attachment 8 is detachably arranged on the base plate 6 shown in FIG. 1.
  • a that Interior of the attachment 8 penetrating guide channel 10 runs in the area of Inlet opening 31 substantially parallel to the longitudinal axis of the setting tool and in Region of the outlet opening 32 substantially perpendicular to the longitudinal axis of the Setting tool.
  • the guide channel 10 serves to hold strip-shaped magazines 11, which several bolt-shaped fasteners 12 at a distance A are arranged one behind the other.
  • the better insertion of these magazines 11 into one Guide channel 10 serve insertion aids in the form of relatively long areas with surfaces inclined towards the free end of the magazine 11.
  • the distance between a free end of the magazine 11 and the nearest fastener in the present embodiment the same size as the distance A between two the fastening elements 12 arranged adjacent to the magazine 11.
  • a two-armed transport lever 13 is pivotable on Attachment 8 arranged.
  • a first lever arm 14 there is one with a strip-shaped magazine 11 or with one of the fastening elements 12 cooperating, pivotable pawl 16. That end region of this pawl 16 that does not cooperate with the magazine 11 or fastening element 12, is based on a control curve 33 of the attachment 8.
  • a slide-like transmission element 17 is fastened to a second lever arm 15, which is provided with a slot-like guide opening 18 by a stop 19 of a guide block 20 is penetrated.
  • the guide block 20 is along one Guide profile 21 of the attachment 8 in the setting direction against the force of one Attachment 8 supporting spring 23 displaceable.
  • a pivotable, one-armed Transport lever 22 is arranged at one of the inlet opening 31 facing end region of this guide block 20 arranged.
  • the guide block 20 is partially closed in the Guide block 20 projecting on the attachment 8 attached guide shaft 25, which surround is of a spring element 24.
  • a transport arm 26 displaceable, which is in the setting direction on the spring element 24 on the guide block 20 supports.
  • the support surface 28 is located within the transport arm 26 is also supported in the setting direction on the transport arm 26 via a compression spring 27.
  • the stop surface 2 of the housing 1 presses against the Support surface 28 of the transport arm 26, so that this along the guide shaft 25 in Setting direction is shifted.
  • the movement of the Transfer arm 26 to the guide block 20 without the spring element 24 is compressed.
  • the between the guide block 20 and the header 8th arranged spring 23 is biased.
  • the spring force of the spring 23 is lower than the spring force of the spring element 24.
  • the guide block 20 passes through with the Stop 19, the slot-like guide opening 18 of the second lever arm 15 of the two-armed transport lever 13 arranged transmission element 17.
  • the length L the guide opening 18 corresponds in the example shown to the diameter of the Stop 19 and the distance A between two arranged on the magazine 11, mutually adjacent fasteners 12.
  • the two-armed transport lever 13 Due to the free displaceability of the stop 19 in the guide opening 18, the two-armed transport lever 13 only offset when the stop 19 on end of the guide opening 18 on the setting direction side. So that the two-armed Transport lever 13 can also be offset by the amount of the distance A and thus the further fastening element 12 to be transported on the stop edge 30 the base plate 6 can strike, it is necessary that the pressing path at this Embodiment must correspond to at least twice the distance A.
  • the stop surface 2 of the housing 1 presses against the Transport arm 26 arranged support surface 28.
  • Movement of the stop surface 2 on the transport arm 26 which along the Guide shaft 25 is moved in the setting direction, transmitted.
  • the transfer of the Movement of the transport arm 26 on the guide block 20 and thus on the one-armed transport lever 22 takes place by means of a spring element 24 until again a fastening element 12 on the stop edge 30 of the base plate 6 strikes. Since the pressure path of the setting tool is greater than the path by which Fastener 12 is transported, the rest of the compensation Contact path by the spring element 24 can be compressed, so that the transport arm 26 can be moved to the guide block 20.
  • Both magazines 11 are transported by the one arranged on the guide block 20 one-armed transport lever 22.
  • a pivotable pawl 29 is arranged a displacement of the magazine 11 against the transport direction prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Automatic Assembly (AREA)

Abstract

The device comprises swivel mounted transport levers (13,14) inside a transport device (7) with one being single armed and movable over path corresponding to transport path of further lever. The swivel mounted single-arm transport lever (22) which can be set against spring force (23) in the setting direction is mounted on the front attachment (8) between the stop face (2) of the housing (1) and the second lever arm (15) of a double-armed transport lever (13). The single-armed transport lever can be moved over a path corresponding at least to the transport path of the double-armed transport lever. A transfer element (17) between the single armed lever and double-armed lever can be moved opposite at least one of the two levers over a path corresponding to the transport path of the double armed lever.

Description

Die Erfindung betrifft ein Setzgerät mit Transportvorrichtung gemäss dem Oberbegriff des Patentanspruchs 1.The invention relates to a setting tool with a transport device according to the preamble of claim 1.

Aus der US 5 341 706 ist ein Setzgerät mit einer Transportvorrichtung für streifenförmige Magazine bekannt, an denen im Abstand voneinander Befestigungselemente angeordnet sind. Die Transportvorrichtung weist einen gegenüber einem Gehäuse des Setzgerätes, sowie parallel zur Setzrichtung versetzbaren, einen Führungskanal aufweisenden Vorsatz und einen schwenkbar am Vorsatz angeordneten, zweiarmigen Transporthebel auf. An einem ersten Hebelarm des zweiarmigen Transporthebels befindet sich eine mit einem in dem Führungskanal angeordneten Magazin zusammenwirkende, schwenkbare Klinke. Der zweite Hebelarm wirkt mit einer Steuerkurve des Gehäuses zusammen. Ein Verschwenken des zweiarmigen Transporthebels in Transportrichtung erfolgt jeweils dann, wenn das Setzgerät gegen einen Untergrund gedrückt wird und der Vorsatz sich zum Gehäuse hin bewegt.From US 5 341 706 is a setting device with a transport device for strip-shaped Magazines known, on which spaced apart fasteners are arranged. The transport device has a housing opposite the Setting tool, as well as a guide channel that can be moved parallel to the setting direction having attachment and a two-armed pivotally arranged on the attachment Transport lever open. On a first lever arm of the two-armed transport lever there is one with a magazine arranged in the guide channel interacting, swiveling pawl. The second lever arm works with one Control curve of the housing together. A swiveling of the two-armed Transport lever in the transport direction takes place when the setting tool against a surface is pressed and the attachment moves towards the housing.

Die Transportvorrichtung dieses bekannten Setzgerätes ist aufgrund der konstruktiven Auslegung nur in der Lage, einen einzigen, einheitlichen, vorbestimmten Transportweg sicherzustellen. Eine Veränderung dieses konstruktiv vorgegebenen Transportweges ist nicht möglich.The transport device of this known setting tool is due to the constructive Interpretation only capable of a single, uniform, predetermined transport route ensure. A change in this constructively predetermined transport route is not possible.

Aufgabe der Erfindung ist es, für ein Setzgerät der eingangs genannten Art eine Transportvorrichtung zu schaffen, die unterschiedliche Transportwege ohne manuellen Eingriff ermöglicht.The object of the invention is a for a setting tool of the type mentioned Transport device to create the different transport routes without manual Intervention allows.

Die Lösung dieser Aufgaben besteht in einem Setzgerät mit Transponvorrichtung, bei dem zwischen der Anschlagfläche des Gehäuses und dem zweiten Hebelarm des zweiarmigen Transporthebels ein am Vorsatz angeordneter, gegen die Kraft einer Feder in Setzrichtung versetzbarer, schwenkbarer, einarmiger Transporthebel angeordnet ist, der um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels entspricht.The solution to these tasks is a setting tool with transposing device, at the between the stop surface of the housing and the second lever arm of the two-armed transport lever one arranged on the attachment, against the force of a spring one-armed transport lever that can be moved in the setting direction is arranged, which can be moved by a path that is at least the transport path of the two-armed Corresponds to the transport lever.

Der einarmige Transporthebel ermöglicht den Transport einem ersten Magazin nachfolgender, in den Führungskanal eingeschobener, weiterer Magazine. Ist nur ein erstes Magazin im Führungskanal, erfolgt der Transport dieses ersten Magazins über den zweiarmigen Transporthebel. Befindet sich ein weiteres, dem ersten Magazin nachfolgendes Magazin in dem Führungskanal, so erfolgt der Transport beider Magazine durch den einarmigen Transporthebel, sobald dieser mit dem ersten Befestigungselement des nachfolgenden Magazins zusammenwirkt.The one-armed transport lever enables a first magazine to be transported subsequent magazine inserted into the guide channel. Is only one first magazine in the guide channel, this first magazine is transported via the two-armed transport lever. There is another, the first magazine subsequent magazine in the guide channel, so both magazines are transported through the one-armed transport lever as soon as this with the first Fastening element of the following magazine interacts.

Insbesondere beim Transport von streifenförmigen Magazinen die an ihren Endbereichen Einführhilfen in Form von relativ lang ausgebildeten Bereichen mit zum freien Ende des Magazins hin geneigten Flächen aufweisen, kann sich die Problematik ergeben, dass der Abstand zwischen dem letzten Befestigungselement des ersten Magazins und dem ersten Befestigungselement des zweiten Magazins grösser ist als der Transportweg des zweiarmigen Transporthebels. Es werden damit unterschiedliche Transportwege von der Transportvorrichtung gefordert.Especially when transporting strip-shaped magazines on their End areas insertion aids in the form of relatively long areas with the free end of the magazine have inclined surfaces, the problem may arise reveal that the distance between the last fastener of the first Magazine and the first fastener of the second magazine is larger than that Transport route of the two-armed transport lever. It will be different Transport routes required by the transport device.

Damit der einarmige Transporthebel mit dem ersten Befestigungselement des nachfolgenden Magazins zusammenwirken kann, muss dieser einen grösseren Transportweg aufweisen als der zweiarmige Transporthebel. Zweckmässigerweise ist daher zwischen dem einarmigen Transporthebel und dem zweiarmigen Transporthebel ein Übertragungselement angeordnet, das gegenüber wenigstens einem der beiden Transporthebel um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels entspricht.So that the one-armed transport lever with the first fastener of subsequent magazine can work together, it must be a larger one Have transport path than the two-armed transport lever. It is expedient therefore between the one-armed transport lever and the two-armed transport lever a transmission element arranged opposite to at least one of the two Transport lever is displaceable by a path that is at least the transport path of the corresponds to two-armed transport lever.

Die unterschiedlichen Transportwege der beiden Transporthebel werden mit Hilfe des Übertragungselementes erreicht, das vorzugsweise von einem Schieber gebildet wird, dessen erster Endbereich mit einem der Transporthebel verbunden ist und dessen zweiter Endbereich eine langlochartig ausgebildete, von einem Anschlag des weiteren Transporthebels durchsetzte Führungsöffnung aufweist.The different transport routes of the two transport levers are determined using the Achieved transmission element, which is preferably formed by a slide, whose first end region is connected to one of the transport levers and second end region an elongated hole-like, from a stop further Transport lever has penetrated guide opening.

Eine kompakte Bauweise der Transportvorrichtung im Bereich des zweiten Transporthebels wird erreicht, wenn vorteilhafterweise das Übertragungselement mit dem zweiarmigen Transporthebel verbunden ist. A compact design of the transport device in the area of the second Transport lever is achieved when the transmission element advantageously the two-armed transport lever is connected.

Wenn sich zwei streifenförmige Magazine in dem Führungskanal befinden, erfolgt der Transport beider Magazine in dem Führungskanal um einen Weg, der dem Transportweg des zweiarmigen Transporthebels entspricht. Wenn der Anpressweg des Setzgerätes beispielsweise grösser ist als der Transportweg des zweiten Transporthebels, muss der überschüssige Anpressweg von der Transportvorrichtung kompensiert werden. Zu diesem Zweck ist vorteilhafterweise zwischen dem einarmigen Transporthebel und der Anschlagfläche des Gehäuses ein Transportarm mit einer Auflagefläche angeordnet, der gegenüber dem einarmigen Transporthebel um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels entspricht.If there are two strip-shaped magazines in the guide channel, the Transport of both magazines in the guide channel by a path that corresponds to the transport path of the two-armed transport lever. If the pressure path of the setting tool For example, is larger than the transport path of the second transport lever, the Excess pressure path can be compensated for by the transport device. To this purpose is advantageously between the one-armed transport lever and the Stop surface of the housing arranged a transport arm with a bearing surface, the compared to the one-armed transport lever is displaceable by a path that corresponds at least to the transport path of the two-armed transport lever.

Um sicherstellen zu können, dass sich die zwischen dem einarmigen Transporthebel und dem Vorsatz angeordnete Feder vor dem zwischen dem Transportarm und dem einarmigen Transporthebel angeordneten Federelement zusammendrücken lässt, ist zweckmässigerweise die Federkraft des Federelements grösser als die Federkraft der Feder.To be able to ensure that the between the one-armed transport lever and the spring arranged in front of the between the transport arm and the one-armed transport lever arranged to compress the spring element is expediently the spring force of the spring element is greater than the spring force of the Feather.

Wird das Setzgerät beispielsweise nach einem Anpressvorgang vom Untergrund abgehoben, ohne das sich in Setzposition befindliche Befestigungselement in den Untergrund einzutreiben, dann lassen sich bei dem darauffolgenden Anpressvorgang die Magazine in dem Führungskanal nicht mehr in Transportrichtung verschieben, so dass der von einer Anschlagfläche des Gehäuses auf die Transportvorrichtung übertragene Anpressweg zur Gänze kompensiert werden muss, ohne die Transporthebel zu versetzen. Zumindest ein Teil des Anpressweges wird mit Hilfe der Auflagefläche kompensiert, die gegenüber dem Transportarm in Setzrichtung um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels entspricht.If, for example, the setting tool is removed from the surface after a pressing process lifted without the fastener in the set position in the Drive underground, then in the subsequent pressing process Do not move magazines in the guide channel in the transport direction so that that transmitted from a stop surface of the housing to the transport device The pressure path must be fully compensated without the transport levers offset. At least part of the contact path is covered with the support surface compensated, which can be moved one way in relation to the transport arm in the setting direction which corresponds at least to the transport path of the two-armed transport lever.

Entspricht beispielsweise der Anpressweg des Setzgerätes dem doppelten Transportweg des zweiarmigen Transporthebels, so wird der halbe Anpressweg zwischen dem Transportarm und dem einarmigen Transporthebel kompensiert.For example, the pressing path of the setting tool corresponds to the double transport path of the two-armed transport lever, half the contact distance between the Transport arm and the one-armed transport lever compensated.

Um sicherstellen zu können, dass sich das zwischen dem Transportarm und dem einarmigen Transporthebel angeordnete Federelement vor der mit der Auflagefläche zusammenwirkenden Druckfeder zusammendrücken lässt, ist zweckmässigerweise die Federkraft der Druckfeder grösser als die Federkraft des Federelements. In order to be able to ensure that this is between the transport arm and the one-armed transport lever arranged spring element in front of the bearing surface cooperating compression spring can be conveniently the Spring force of the compression spring is greater than the spring force of the spring element.

Damit ein einwandfreier Transport des Magazins in dem Führungskanal erreicht werden kann, entspricht vorzugsweise der Transportweg des zweiarmigen Transporthebels dem Abstand zwischen zwei einander benachbarten, an dem streifenförmigen Magazin angeordneten Befestigungselementen.So that the magazine can be transported properly in the guide channel can, preferably corresponds to the transport path of the two-armed transport lever Distance between two adjacent, on the strip-shaped magazine arranged fasteners.

Die Erfindung wird anhand von Zeichnungen, die ein Ausführungsbeispiel wiedergeben, näher erläutert. Es zeigen:

Fig. 1
den setzrichtungsseitigen, vorderen Bereich eines Setzgerätes;
Fig. 2.
einen Längsschnitt durch die Transportvorrichtung des Setzgerätes gemäss Fig. 1.
The invention is explained in more detail with reference to drawings which show an exemplary embodiment. Show it:
Fig. 1
the setting direction side, front area of a setting device;
Fig. 2.
2 shows a longitudinal section through the transport device of the setting tool according to FIG. 1.

Das in Fig. 1 andeutungsweise dargestellte Setzgerät weist ein Gehäuse 1 auf, an das sich in Setzrichtung ein Führungsrohr 3 anschliesst. Gegenüber diesem Führungsrohr 3 ist ein zylindrisches Führungsteil 4 entgegen der Setzrichtung gegen die Kraft einer zwischen dem Gehäuse 1 und dem zylindrischen Führungsteil 4 angeordneten Positionierungsfeder 5 versetzbar. An die setzrichtungsseitige Stimseite des Führungsteils 4 schliesst sich eine Standplatte 6 an, an der eine Transportvorrichtung 7 befestigt ist. Eine Betätigung dieser Transportvorrichtung erfolgt mittels einer vom Gehäuse in Setzrichtung abragenden Anschlagfläche 2, die gegen eine Auflagefläche 28 im innem der Transportvorrichtung drückt, wenn das Setzgerät gegen einen nicht dargestellten Untergrund gedrückt wird. Es erfolgt dabei eine Versetzung der Transportvorrichtung 7, der Standplatte 6 und des zylindrischen Führungsteils 4 in Richtung Gehäuse 1 des Setzgerätes. Aus dem Vorsatz 8 ragt ein freies Ende einer Führungswelle 25, entlang der ein im innem des Vorsatzes angeordneter Transportarm 26 versetzbar ist.The setting tool shown in Fig. 1 has a housing 1 to which a guide tube 3 connects in the setting direction. Opposite this guide tube 3 is a cylindrical guide part 4 against the setting direction against the force of a arranged between the housing 1 and the cylindrical guide part 4 Positioning spring 5 can be moved. On the setting direction side of the The guide part 4 is followed by a base plate 6 on which a transport device 7 is attached. This transport device is actuated by means of a Housing in the setting direction protruding stop surface 2, which against a support surface 28th inside the transport device presses when the setting tool is not against you shown underground is pressed. There is a transfer of the Transport device 7, the base plate 6 and the cylindrical guide part 4 in Towards housing 1 of the setting tool. A free end protrudes from the attachment 8 Guide shaft 25, along which a transport arm arranged inside the attachment 26 is displaceable.

Die in der Fig. 2 dargestellte Transportvorrichtung 7 weist einen Vorsatz 8 mit einer Einlassöffnung 31 und einer Auslassöffnung 32 auf. Im Bereich der Auslassöffnung 32 ist der Vorsatz 8 lösbar an der in Fig. 1 dargestellten Standplatte 6 angeordnet. Ein das Innere des Vorsatzes 8 durchsetzender Führungskanal 10 verläuft im Bereich der Einlassöffnung 31 im wesentlichen parallel zur Längsachse des Setzgerätes und im Bereich der Auslassöffnung 32 im wesentlichen senkrecht zur Längsachse des Setzgerätes. The transport device 7 shown in FIG. 2 has an attachment 8 with a Inlet opening 31 and an outlet opening 32. In the area of the outlet opening 32 the attachment 8 is detachably arranged on the base plate 6 shown in FIG. 1. A that Interior of the attachment 8 penetrating guide channel 10 runs in the area of Inlet opening 31 substantially parallel to the longitudinal axis of the setting tool and in Region of the outlet opening 32 substantially perpendicular to the longitudinal axis of the Setting tool.

Der Führungskanal 10 dient der Aufnahme von streifenförmigen Magazinen 11, an denen mehrere bolzenförmige Befestigungselemente 12 in einem Abstand A hintereinander angeordnet sind. Dem besseren Einführen dieser Magazine 11 in einen Führungskanal 10 dienen Einführhilfen in Form von relativ lang ausgebildeten Bereichen mit zum freien Ende des Magazins 11 hin geneigten Flächen. Der Abstand zwischen einem freien Ende des Magazins 11 und dem nächstliegenden Befestigungselement ist im vorliegenden Ausführungsbeispiel gleich gross wie der Abstand A zwischen zwei an dem Magazin 11 angeordneten, einander benachbarten Befestigungselementen 12.The guide channel 10 serves to hold strip-shaped magazines 11, which several bolt-shaped fasteners 12 at a distance A are arranged one behind the other. The better insertion of these magazines 11 into one Guide channel 10 serve insertion aids in the form of relatively long areas with surfaces inclined towards the free end of the magazine 11. The distance between a free end of the magazine 11 and the nearest fastener in the present embodiment the same size as the distance A between two the fastening elements 12 arranged adjacent to the magazine 11.

Im Bereich der Auslassöffnung 32 ist ein zweiarmiger Transporthebel 13 schwenkbar am Vorsatz 8 angeordnet. An einem ersten Hebelarm 14 befindet sich eine mit einem streifenförmigen Magazin 11 bzw. mit jeweils einem der Befestigungselemente 12 zusammenwirkende, schwenkbare Klinke 16. Jener Endbereich dieser Klinke 16, die nicht mit dem Magazin 11 bzw. Befestigungselement 12 zusammenwirkt, stützt sich über eine Steuerkurve 33 des Vorsatzes 8 ab.In the area of the outlet opening 32, a two-armed transport lever 13 is pivotable on Attachment 8 arranged. On a first lever arm 14 there is one with a strip-shaped magazine 11 or with one of the fastening elements 12 cooperating, pivotable pawl 16. That end region of this pawl 16 that does not cooperate with the magazine 11 or fastening element 12, is based on a control curve 33 of the attachment 8.

An einem zweiten Hebelarm 15 ist ein schieberartiges Übertragungselement 17 befestigt, das mit einer langlochartigen Führungsöffnung 18 versehen ist, die von einem Anschlag 19 eines Führungsblockes 20 durchsetzt wird. Der Führungsblock 20 ist entlang eines Führungsprofils 21 des Vorsatzes 8 in Setzrichtung gegen die Kraft einer sich am Vorsatz 8 abstützenden Feder 23 versetzbar. An einem der Einlassöffnung 31 zugewandten Endbereich dieses Führungsblockes 20 ist ein schwenkbarer, einarmiger Transporthebel 22 angeordnet.A slide-like transmission element 17 is fastened to a second lever arm 15, which is provided with a slot-like guide opening 18 by a stop 19 of a guide block 20 is penetrated. The guide block 20 is along one Guide profile 21 of the attachment 8 in the setting direction against the force of one Attachment 8 supporting spring 23 displaceable. At one of the inlet opening 31 facing end region of this guide block 20 is a pivotable, one-armed Transport lever 22 arranged.

Entgegen der Setzrichtung schliesst sich an den Führungsblock 20 eine teilweise in den Führungsblock 20 ragende, am Vorsatz 8 befestigte Führungswelle 25 an, die umgeben ist von einem Federelement 24. Entlang der Führungswelle 25 ist ein Transportarm 26 versetzbar, der sich in Setzrichtung über das Federelement 24 an dem Führungsblock 20 abstützt. Innerhalb des Transportarmes 26 befindet sich die Auflagefläche 28, die sich ebenfalls in Setzrichtung an dem Transportarm 26 über eine Druckfeder 27 abstützt.Contrary to the setting direction, the guide block 20 is partially closed in the Guide block 20 projecting on the attachment 8 attached guide shaft 25, which surround is of a spring element 24. Along the guide shaft 25 is a transport arm 26 displaceable, which is in the setting direction on the spring element 24 on the guide block 20 supports. The support surface 28 is located within the transport arm 26 is also supported in the setting direction on the transport arm 26 via a compression spring 27.

Entgegen der Setzrichtung schliesst sich an die Einlassöffnung 31 des Vorsatzes 8 eine Verlängerung 9 an, in der mehrere streifenförmige Magazine 11 hintereinander angeordnet werden können. Contrary to the setting direction, one adjoins the inlet opening 31 of the attachment 8 Extension 9 on, in which several strip-shaped magazines 11 in a row can be arranged.

Im folgenden wird die Funktionsweise dieser Transportvorrichtung beschrieben, wenn sich ein Magazin 11 in dem Führungskanal 10 befindet.The mode of operation of this transport device is described below if there is a magazine 11 in the guide channel 10.

Um dem setzrichtungsseitigen Mündungsbereich des Setzgerätes ein Befestigungselement 12 zuführen zu können, muss wenigstens ein streifenförmiges Magazin 11 in den Führungskanal 10 des Vorsatzes 8 eingesetzt werden. Das Einsetzen des streifenförmigen Magazins 11 erfolgt von Hand, bis eines der ersten Befestigungselemente 12 in den Wirkbereich des einarmigen Transporthebels 22 gelangt. Der weitere Transport des Magazins 11 innerhalb des Führungskanals 10 erfolgt bei jeder Anpressbewegung des Setzgerätes, bei dem jeweils das Gehäuse 1 und die Transportvorrichtung 7 um den Anpressweg zueinander bewegt werden. Nach dem Einsetzen des Magazins 11 in den Führungskanal 10 ist es notwendig, das Setzgerät mehrere Male gegen den Untergrund zu pressen, bis das erste Befestigungselement 12 seine Setzposition an der Anschlagkante 30 der Standplatte 6 erreicht.Around the setting area-side opening area of the setting tool To be able to feed fastener 12 must be at least one strip-shaped Magazine 11 can be inserted into the guide channel 10 of the attachment 8. Insertion the strip-shaped magazine 11 is done by hand until one of the first Fastening elements 12 in the effective area of the one-armed transport lever 22 reached. The further transport of the magazine 11 within the guide channel 10 takes place with each pressing movement of the setting tool, in which the housing 1 and the transport device 7 are moved to each other by the pressing path. After this Inserting the magazine 11 in the guide channel 10, it is necessary to use the setting tool press against the surface several times until the first fastening element 12 reaches its setting position on the stop edge 30 of the base plate 6.

Bei jeder Anpressbewegung drückt die Anschlagfläche 2 des Gehäuses 1 gegen die Auflagefläche 28 des Transportarms 26, so dass dieser entlang der Führungswelle 25 in Setzrichtung verschoben wird. Über das Federelement 24 wird die Bewegung des Transportarmes 26 auf den Führungsblock 20 übertragen, ohne dass das Federelement 24 zusammengedrückt wird. Die zwischen dem Führungsblock 20 und dem Vorsatz 8 angeordnete Feder 23 wird dabei vorgespannt. Die Federkraft der Feder 23 ist geringer als die Federkraft des Federelementes 24. Der Führungsblock 20 durchsetzt mit dem Anschlag 19 die langlochartige Führungsöffnung 18 des am zweiten Hebelarm 15 des zweiarmigen Transporthebels 13 angeordneten Übertragungselementes 17. Die Länge L der Führungsöffnung 18 entspricht im dargestellten Beispiel dem Durchmesser des Anschlags 19 und dem Abstand A zwischen zwei an dem Magazin 11 angeordneten, einander benachbarten Befestigungselementen 12.With each pressing movement, the stop surface 2 of the housing 1 presses against the Support surface 28 of the transport arm 26, so that this along the guide shaft 25 in Setting direction is shifted. The movement of the Transfer arm 26 to the guide block 20 without the spring element 24 is compressed. The between the guide block 20 and the header 8th arranged spring 23 is biased. The spring force of the spring 23 is lower than the spring force of the spring element 24. The guide block 20 passes through with the Stop 19, the slot-like guide opening 18 of the second lever arm 15 of the two-armed transport lever 13 arranged transmission element 17. The length L the guide opening 18 corresponds in the example shown to the diameter of the Stop 19 and the distance A between two arranged on the magazine 11, mutually adjacent fasteners 12.

Aufgrund der freien Versetzbarkeit des Anschlags 19 in der Führungsöffnung 18 wird der zweiarmige Transporthebel 13 erst versetzt, wenn der Anschlag 19 am setzrichtungsseitigen Ende der Führungsöffnung 18 anschlägt. Damit der zweiarmige Transporthebel 13 ebenfalls um den Betrag des Abstands A versetzt werden kann und damit das weitere zu transportierende Befestigungselement 12 an der Anschlagkante 30 der Standplatte 6 anschlagen kann, ist es notwendig, dass der Anpressweg bei diesem Ausführungsbeispiel mindestens dem doppelten Abstand A entsprechen muss. Due to the free displaceability of the stop 19 in the guide opening 18, the two-armed transport lever 13 only offset when the stop 19 on end of the guide opening 18 on the setting direction side. So that the two-armed Transport lever 13 can also be offset by the amount of the distance A and thus the further fastening element 12 to be transported on the stop edge 30 the base plate 6 can strike, it is necessary that the pressing path at this Embodiment must correspond to at least twice the distance A.

Wenn sich zwei Magazine 11 in dem Führungskanal 10 befinden, erfolgt der Transport wie folgt:If there are two magazines 11 in the guide channel 10, the transport takes place as follows:

Bei der Anpressbewegung drückt die Anschlagfläche 2 des Gehäuses 1 gegen die im Transportarm 26 angeordnete Auflagefläche 28. Über die Druckfeder 27 wird die Bewegung der Anschlagfläche 2 auf den Transportarm 26, der entlang der Führungswelle 25 in Setzrichtung verschoben wird, übertragen. Die Übertragung der Bewegung des Transportarms 26 auf den Führungsblock 20 und somit auf den einarmigen Transporthebel 22 erfolgt mittels eines Federelementes 24 solange, bis wiederum ein Befestigungselement 12 an der Anschlagkante 30 der Standplatte 6 anschlägt. Da der Anpressweg des Setzgerätes grösser ist als jener Weg, um den das Befestigungselement 12 transportiert wird, erfolgt die Kompensation des restlichen Anpressweges, indem sich das Federelement 24 zusammendrücken lässt, so dass sich der Transportarm 26 zum Führungsblock 20 hin versetzen lässt.During the pressing movement, the stop surface 2 of the housing 1 presses against the Transport arm 26 arranged support surface 28. About the compression spring 27 Movement of the stop surface 2 on the transport arm 26 which along the Guide shaft 25 is moved in the setting direction, transmitted. The transfer of the Movement of the transport arm 26 on the guide block 20 and thus on the one-armed transport lever 22 takes place by means of a spring element 24 until again a fastening element 12 on the stop edge 30 of the base plate 6 strikes. Since the pressure path of the setting tool is greater than the path by which Fastener 12 is transported, the rest of the compensation Contact path by the spring element 24 can be compressed, so that the transport arm 26 can be moved to the guide block 20.

Der Transport beider Magazine 11 erfolgt durch den am Führungsblock 20 angeordneten einarmigen Transporthebel 22.Both magazines 11 are transported by the one arranged on the guide block 20 one-armed transport lever 22.

Nach dem Setzen des letzten Befestigungselementes 12 des vorhergehenden Magazins 11 wird das nachfolgende Magazin 11 bei der darauffolgenden Anpressbewegung nicht um den Weg, der dem Abstand A entspricht transportiert, sondem um jenen Weg, der sich aus den Abständen zwischen jeweils einem freien Ende der beiden Magazine 11 und dem nächstliegenden Befestigungselement 12 ergibt.After setting the last fastener 12 of the previous magazine 11 does not become the following magazine 11 during the subsequent pressing movement for the path that corresponds to the distance A, but for the path that the distances between each free end of the two magazines 11 and the closest fastener 12 results.

Auf der Unterseite des Vorsatzes 8 ist eine schwenkbare Sperrklinke 29 angeordnet, die eine Verschiebung des Magazins 11 entgegen der Transportrichtung verhindert.On the underside of the attachment 8, a pivotable pawl 29 is arranged a displacement of the magazine 11 against the transport direction prevented.

Wird das Setzgerät beispielsweise nach einem Anpressvorgang vom Untergrund abgehoben, ohne das sich in Setzposition befindliche Befestigungselement 12 in den Untergrund einzutreiben, dann lassen sich bei dem darauffolgenden Anpressvorgang die Magazine 11 in dem Führungskanal 10 nicht mehr in Transportrichtung verschieben, da sich bereits eines der Befestigungselemente 12 in Setzposition befindet. Die Folge davon ist, dass das Federelement 24 und die Druckfeder 27 um jeweils einen Weg zusammengedrückt werden, der dem Abstand A entspricht. Auf diese Weise wird der gesamte auf die Transportvorrichtung 7 wirkende Anpressweg kompensiert.If, for example, the setting tool is removed from the surface after a pressing process lifted without the fastener 12 in the set position in the Drive underground, then in the subsequent pressing process Do not move magazines 11 in the guide channel 10 anymore in the transport direction, because one of the fastening elements 12 is already in the setting position. The consequence of which is that the spring element 24 and the compression spring 27 each one way be compressed, which corresponds to the distance A. In this way the entire pressure path acting on the transport device 7 is compensated.

Claims (9)

Setzgerät mit Transportvorrichtung (7) für streifenförmige Magazine (11) mit im Abstand (A) voneinander angeordneten Befestigungselementen (12), mit einem gegenüber einem Gehäuse (1) parallel zur Setzrichtung versetzbaren, einen Führungskanal (10) aufweisenden Vorsatz (8), einem schwenkbar am Vorsatz (8) angeordneten, zweiarmigen Transporthebel (13), an dessen erstem Hebelarm (14) eine mit dem Magazin (11) zusammenwirkende, schwenkbare Klinke (16) angeordnet ist und dessen zweiter Hebelarm (15) mit einer Anschlagfläche (2) des Gehäuses (1) zusammenwirkt, dadurch gekennzeichnet, dass zwischen der Anschlagfläche (2) des Gehäuses (1) und dem zweiten Hebelarm (15) des zweiarmigen Transporthebels (13) ein am Vorsatz (8) angeordneter, gegen die Kraft einer Feder (23) in Setzrichtung versetzbarer, schwenkbarer, einarmiger Transporthebel (22) angeordnet ist, der um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels (13) entspricht.Setting device with transport device (7) for strip-shaped magazines (11) with fastening elements (12) arranged at a distance (A) from one another, with an attachment (8) having a guide channel (10) and a guide channel (10) that can be displaced relative to a housing (1) Two-armed transport lever (13) pivotably arranged on the attachment (8), on the first lever arm (14) of which a pivotable pawl (16) cooperating with the magazine (11) is arranged and the second lever arm (15) with a stop surface (2) of the housing (1) cooperates, characterized in that between the stop surface (2) of the housing (1) and the second lever arm (15) of the two-armed transport lever (13) is arranged on the attachment (8) against the force of a spring (23 ) is arranged in the setting direction, pivotable, one-armed transport lever (22) which can be displaced by a path which corresponds at least to the transport path of the two-armed transport lever (13). Setzgerät nach Anspruch 2, dadurch gekennzeichnet, dass zwischen dem einarmigen Transporthebel (22) und dem zweiarmigen Transporthebel (13) ein Übertragungselement (17) angeordnet ist, das gegenüber wenigstens einem der beiden Transporthebel (13, 22) um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels (13) entspricht.Setting tool according to claim 2, characterized in that between the one-armed transport lever (22) and the two-armed transport lever (13) Transmission element (17) is arranged, which is opposite at least one of the two transport levers (13, 22) can be displaced by a path which is at least corresponds to the transport route of the two-armed transport lever (13). Setzgerät nach Anspruch 2, dadurch gekennzeichnet, dass das Übertragungselement (17) von einem Schieber gebildet wird, dessen erster Endbereich mit einem der Transporthebel (13, 22) verbunden ist und dessen zweiter Endbereich eine langlochartig ausgebildete, von einem Anschlag (19) des weiteren Transporthebels (13, 22) durchsetzte Führungsöffnung (18) aufweist.Setting tool according to claim 2, characterized in that the Transmission element (17) is formed by a slide, the first End region is connected to one of the transport levers (13, 22) and its second end region an elongated hole-like, from a stop (19) of the has further transport lever (13, 22) penetrated through guide opening (18). Setzgerät nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das Übertragungselement (17) mit dem zweiarmigen Transporthebel (13) verbunden ist.Setting tool according to claim 2 or 3, characterized in that the Transmission element (17) connected to the two-armed transport lever (13) is. Setzgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zwischen dem einarmigen Transporthebel (22) und der Anschlagfläche (2) des Gehäuses (1) ein mit einer Auflagefläche (28) versehener Transportarm (26) angeordnet ist, der gegenüber dem einarmigen Transporthebel (13) um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels (13) entspricht.Setting tool according to one of claims 1 to 4, characterized in that between the one-armed transport lever (22) and the stop surface (2) of the Housing (1) a transport arm (26) provided with a support surface (28) is arranged, the one-arm transport lever (13) by one Is displaceable, at least the transport route of the two-armed Transport lever (13) corresponds. Setzgerät nach Anspruch 5, dadurch gekennzeichnet, dass sich der Transportarm (26) an dem einarmigen Transporthebel (22) über ein Federelement (24) abstützt, dessen Federkraft grösser ist als die Federkraft der Feder (23).Setting tool according to claim 5, characterized in that the transport arm (26) is supported on the one-armed transport lever (22) via a spring element (24), whose spring force is greater than the spring force of the spring (23). Setzgerät nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die an dem Transportarm (26) angeordnete Auflagefläche (28) gegenüber dem einarmigen Transportelement (22) in Setzrichtung um einen Weg versetzbar ist, der mindestens dem Transportweg des zweiarmigen Transporthebels (13) entspricht.Setting tool according to claim 5 or 6, characterized in that on the Transport arm (26) arranged support surface (28) opposite the one-armed Transport element (22) is displaceable in the setting direction by a path that corresponds at least to the transport path of the two-armed transport lever (13). Setzgerät nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass sich die Auflagefläche (28) am Transportarm (26) in Setzrichtung über eine Druckfeder (27) abstützt, deren Federkraft grösser ist als die Federkraft des Federelementes (24).Setting tool according to one of claims 5 to 7, characterized in that the support surface (28) on the transport arm (26) in the setting direction via a compression spring (27) supports, the spring force of which is greater than the spring force of the spring element (24). Setzgerät nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Transportweg des zweiarmigen Transporthebels (13) dem Abstand (A) zwischen zwei einander benachbarten, an dem streifenförmigen Magazin (11) angeordneten Befestigungselemente (12) entspricht.Setting tool according to one of claims 1 to 8, characterized in that the Transport path of the two-armed transport lever (13) the distance (A) between two adjacent, on the strip-shaped magazine (11) arranged fastening elements (12) corresponds.
EP97810251A 1996-07-12 1997-04-24 Fastener setting tool with feeding device for strip cartridges Expired - Lifetime EP0818275B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19628170A DE19628170A1 (en) 1996-07-12 1996-07-12 Device for driving fasteners into hard surfaces
DE19628170 1996-07-12

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EP0818275A1 true EP0818275A1 (en) 1998-01-14
EP0818275B1 EP0818275B1 (en) 2001-11-21

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US (1) US6027004A (en)
EP (1) EP0818275B1 (en)
JP (1) JPH1058345A (en)
KR (1) KR980008467A (en)
AU (1) AU715027B2 (en)
CA (1) CA2209261C (en)
DE (2) DE19628170A1 (en)
TW (1) TW350806B (en)

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AU715027B2 (en) 2000-01-13
TW350806B (en) 1999-01-21
JPH1058345A (en) 1998-03-03
AU2859397A (en) 1998-01-22
KR980008467A (en) 1998-04-30
DE19628170A1 (en) 1998-01-15
EP0818275B1 (en) 2001-11-21
US6027004A (en) 2000-02-22
CA2209261C (en) 2002-05-28
CA2209261A1 (en) 1998-01-12
DE59705446D1 (en) 2002-01-03

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