EP0520189B1 - Mechanism for letter file - Google Patents

Mechanism for letter file Download PDF

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Publication number
EP0520189B1
EP0520189B1 EP92108585A EP92108585A EP0520189B1 EP 0520189 B1 EP0520189 B1 EP 0520189B1 EP 92108585 A EP92108585 A EP 92108585A EP 92108585 A EP92108585 A EP 92108585A EP 0520189 B1 EP0520189 B1 EP 0520189B1
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EP
European Patent Office
Prior art keywords
bearing
journal
mechanism according
hollow
file mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92108585A
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German (de)
French (fr)
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EP0520189A1 (en
Inventor
Rolf Voegele
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.)
Louis Leitz KG
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Louis Leitz KG
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Publication date
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Publication of EP0520189A1 publication Critical patent/EP0520189A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
    • B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
    • B42F13/24—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed wherein one section is in the form of fixed rods

Definitions

  • the invention relates to a folder mechanism with a base plate made of sheet metal, two row pins protruding perpendicularly from one another on the base plate, a pivoting bracket that can be pivoted to a limited extent on the base plate between an open position and a closed position, preferably a folding bracket consisting of a bent metal wire, and a bearing plate projecting over the base plate and an actuating lever which is pivotally mounted on a bearing journal which is formed on the end shield and projects vertically above the end shield plane and which is secured against axial pulling thereon and acts directly or indirectly on the folding bracket.
  • Folder mechanisms of this type are intended for use in letter folders which have a file spine and a front and back cover articulated on the file spine, preferably made of stiff cardboard material.
  • the folder mechanism is riveted to the back cover near the folder back or fastened in a connector provided for this purpose.
  • the actuating lever is pivotally mounted in the upper region of the end shield on a rivet bolt which is inserted through a bore in the end shield and the lever and is secured against axial pulling off by a setting head and a rivet head.
  • the rivet bolt is an additional part that complicates the assembly and makes the end product more expensive, which is especially the case with a mass product such as the folder mechanism adversely affects.
  • a folder mechanism of the type specified at the outset is known (LU-A-38998), which has a bearing plate with a molded bearing journal for the actuating lever.
  • the end shield is an additional part made of plastic that is riveted to the base plate. This complicates the assembly and increases the cost of the end product, which is perceived as a disadvantage, particularly in the case of mass products such as file mechanisms.
  • the object of the invention is to develop a folder mechanism of the type specified at the outset, which is particularly simple and efficient to produce.
  • the invention is based on the idea that if the separate rivet bolt or the separate end shield as the bearing means is omitted, a considerable simplification in the storage and in the manufacture can be achieved.
  • the bearing journal in the form of a preferably deep-drawn hollow journal is molded into the bearing plate which is made of sheet metal and is integrally connected to the base plate.
  • the hollow journal can be used both as a journal and as a bearing bush to be used.
  • an advantageous embodiment of the invention provides that the actuating lever has a bearing bore encompassing the bearing journal, and that the free hollow journal end projecting beyond the bearing borehole has a radially projecting flanged edge that overlaps the bearing bore rim of the actuating lever.
  • a bearing pin which extends through the hollow pin opening, is formed on the actuating lever and has a radial widening or thickening at its end projecting beyond the hollow pin opening to secure it axially having.
  • the widening or thickening of the bearing journal can be formed either by elastic or plastic expansion of the preferably slotted journal material or as a rivet head integrally formed on the bearing journal in the course of assembly.
  • the actuating lever consists of thermoplastic plastic, the rivet head can be molded on at the end of the bearing journal under the action of pressure and heat.
  • the bearing journal formed on the actuating lever is inserted through the hollow journal from its side projecting beyond the plane of the end shield.
  • the part of the hollow pin projecting beyond the end plate level expediently also engages in an annular bearing recess in the actuating lever, so that there is a stable mounting of the actuating lever on the end plate.
  • a further improvement in this regard is achieved in that the actuating lever has a contact surface which lies flat against a guide surface of the end shield in the vicinity of the hollow pin.
  • a cover part which preferably encompasses the part-circular top and / or the hollow pin, is formed on the actuating lever.
  • the folder mechanism shown in the drawing essentially consists of a base plate 10 made of sheet metal, two line-up pins 12 projecting at a distance from one another perpendicularly above the base plate 10, a folding bracket 18 pivotably mounted on mounting brackets 16 of the base plate 10, and a punched-out and bent up vertically from the base plate Bearing plate 20 and an actuating lever 22 which is pivotably mounted on a bearing point 24 of the bearing plate and acts on the folding bracket 24 via a sliding curve element 28 present in the exemplary embodiment shown.
  • the bearing point 24 has a deep-drawn hollow pin 30 molded into the sheet metal bearing plate 20, on which the actuating lever 22 is mounted directly and is secured against axial pulling off.
  • the actuating lever 22 is attached with a bearing bore 32 to the hollow pin 30 serving as a bearing pin.
  • the hollow pin 30 is subsequently provided with a radially projecting flanged edge 34, which is the actuating lever secures against axial pulling off.
  • a molded on the actuating lever cover 36 and a recess 38 formed therein ensure that the free upper edge 40 and the flanged edge 34 of the end shield 20 are concealed against accidental access, so that a risk of injury to the sheet metal burrs there is avoided.
  • a bearing pin 42 is formed on the actuating lever 22 and is inserted through the hollow pin 30, which in this case serves as a bearing bush, from the protruding side of the hollow pin.
  • the bearing pin 42 is also surrounded by an annular recess 44, in which the protruding part of the hollow pin 30 engages.
  • the bearing journal 42 is provided with slots 48 at its free end projecting beyond the bearing opening 46 of the hollow journal and spread radially outward to form a thickening.
  • FIG. 5 corresponds in principle to the embodiment according to FIG. 4.
  • the widening of the bearing journal provided for the axial securing is there, however, formed as a rivet head 50, which is subsequently molded onto the actuating lever 22 made of thermoplastic plastic using pressure and heat has been.
  • the cover formed on the actuating lever 22 covers the burring upper edge 40 against accidental access from the outside.
  • the end shield has a guide surface 52 which is vertically aligned with respect to the base plate 10 and against which the actuating lever 22 bears with a contact surface 54.
  • the invention relates to a folder mechanism with a base plate 10 consisting of sheet metal, two line-up pins 12 projecting vertically on the base plate, a folding bracket 18 which can be pivoted to a limited extent on the base plate 10 between an open position and a closed position, and one protruding over the base plate 10, in one piece therewith connected end shield 20 and an actuating lever 22 which is pivotally mounted in a bearing 24 of the end shield 20 and acts directly or indirectly on the transfer bracket 18. while the actuating lever 22 is pivotally mounted directly on the hollow pin 30 and is secured against axial withdrawal from the hollow pin 30.
  • the hollow journal can serve as a journal for a bearing bore 32 arranged on the actuating lever or as a bearing bush for a journal 42 formed on the actuating lever 22.
  • a journal for a bearing bore 32 arranged on the actuating lever or as a bearing bush for a journal 42 formed on the actuating lever 22.
  • either the hollow pin or the bearing pin formed on the actuating lever 22 is to be radially expanded or thickened in the course of the lever assembly to form a corresponding thickening.

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Abstract

The invention relates to a mechanism for a letter file, having a baseplate (10) made of sheet metal, two sorting pins (12) which project vertically above the baseplate, a folding bar (18) which is limitedly pivotable on the baseplate (10) between an open position and a closed position, an end shield (20) which projects above the baseplate (10) and is joined integrally thereto, and an actuating lever (22) which is mounted pivotably in a bearing point (24) of the end shield (20) and acts directly or indirectly on the folding bar (18). To guarantee efficient and inexpensive production, a hollow peg (30), which projects vertically above the plane of the end shield, is moulded by deep-drawing into the end shield (20), while the actuating lever (22) is mounted pivotably directly on the hollow peg (30) and is secured against being pulled off axially from the hollow peg (30). In this case, the hollow peg can serve as a bearing peg for a bearing bore (32) arranged on the actuating lever or as a bearing bush for a bearing peg (42) moulded onto the actuating lever (22). For axial securing, either the hollow peg or the bearing peg moulded onto the actuating lever (22) is to be expanded radially or thickened in the course of the lever assembly, forming a corresponding thickening. <IMAGE>

Description

Die Erfindung betrifft eine Ordnermechanik mit einer aus Metallblech bestehenden Grundplatte, zwei im Abstand voneinander an der Grundplatte senkrecht überstehenden Aufreihstiften, einem an der Grundplatte zwischen einer Offenstellung und einer Schließstellung begrenzt verschwenkbaren, vorzugsweise aus einem gebogenen Metalldraht bestehenden Umlegebügel, einem über die Grundplatte überstehenden Lagerschild und einem an einem am Lagerschild angeformten, senkrecht über die Lagerschildebene überstehenden Lagerzapfen schwenkbar gelagerten und gegen ein axiales Abziehen auf diesem gesicherten, auf den Umlegebügel unmittelbar oder mittelbar einwirkenden Betätigungshebel.The invention relates to a folder mechanism with a base plate made of sheet metal, two row pins protruding perpendicularly from one another on the base plate, a pivoting bracket that can be pivoted to a limited extent on the base plate between an open position and a closed position, preferably a folding bracket consisting of a bent metal wire, and a bearing plate projecting over the base plate and an actuating lever which is pivotally mounted on a bearing journal which is formed on the end shield and projects vertically above the end shield plane and which is secured against axial pulling thereon and acts directly or indirectly on the folding bracket.

Ordnermechaniken dieser Art sind für den Einsatz in Briefordnern bestimmt, die einen Ordnerrücken und je einen am Ordnerrücken angelenkten Vorder- und Rückdekel vorzugsweise aus steifem Pappmaterial aufweisen. Die Ordnermechanik ist dabei in der Nähe des Ordnerrückens am Rückdeckel angenietet oder in einer hierfür vorgesehenen Steckvorrichtung befestigt. Bei den herkömmlichen Ordnermechaniken ist der Betätigungshebel im oberen Bereich des Lagerschilds an einem durch eine Bohrung des Lagerschilds und des Hebels hindurchgesteckten, durch einen Setzkopf und einen Nietkopf gegen axiales Abziehen gesicherten Nietbolzen schwenkbar gelagert. Bei dem Nietbolzen handelt es sich um ein zusätzliches Teil, das die Montage erschwert und das Endprodukt verteuert, was sich vor allem bei einem Massenprodukt wie der Ordnermechanik nachteilig auswirkt.Folder mechanisms of this type are intended for use in letter folders which have a file spine and a front and back cover articulated on the file spine, preferably made of stiff cardboard material. The folder mechanism is riveted to the back cover near the folder back or fastened in a connector provided for this purpose. In the conventional file mechanisms, the actuating lever is pivotally mounted in the upper region of the end shield on a rivet bolt which is inserted through a bore in the end shield and the lever and is secured against axial pulling off by a setting head and a rivet head. The rivet bolt is an additional part that complicates the assembly and makes the end product more expensive, which is especially the case with a mass product such as the folder mechanism adversely affects.

Weiter ist eine Ordnermechanik der eingangs angegebenen Art bekannt (LU-A-38998), die ein Lagerschild mit angeformtem Lagerzapfen für den Betätigungshebel aufweist. Bei dem Lagerschild handelt es sich dort um ein zusätzliches Teil aus Kunststoff, das an der Grundplatte angenietet ist. Dadurch wird die Montage erschwert und das Endprodukt verteuert, was vor allem bei Massenprodukten, wie Ordnermechaniken, als nachteilig empfunden wird.Furthermore, a folder mechanism of the type specified at the outset is known (LU-A-38998), which has a bearing plate with a molded bearing journal for the actuating lever. The end shield is an additional part made of plastic that is riveted to the base plate. This complicates the assembly and increases the cost of the end product, which is perceived as a disadvantage, particularly in the case of mass products such as file mechanisms.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, eine Ordnermechanik der eingangs angegebenen Art zu entwickeln, die besonders einfach und rationell herstellbar ist.Proceeding from this, the object of the invention is to develop a folder mechanism of the type specified at the outset, which is particularly simple and efficient to produce.

Zur Lösung dieser Aufgabe wird die im Patentanspruch 1 angegebene Merkmalskombination vorgeschlagen. Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.To achieve this object, the combination of features specified in claim 1 is proposed. Further advantageous refinements and developments of the invention result from the dependent claims.

Die Erfindung geht von dem Gedanken aus, daß bei Wegfall des getrennten Nietbolzens oder des getrennten Lagerschilds als Lagermittel eine erhebliche Vereinfachung in der Lagerhaltung und in der Fertigung erzielt werden kann. Um dies zu erreichen, wird gemäß der Erfindung vorgeschlagen, daß der Lagerzapfen in Form eines vorzugsweise tiefgezogenen Hohlzapfens in das aus Metallblech bestehende, einstückig mit der Grundplatte verbundene Lagerschild eingeformt ist. Der Hohlzapfen kann dabei sowohl als Lagerzapfen als auch als Lagerbüchse benutzt werden.The invention is based on the idea that if the separate rivet bolt or the separate end shield as the bearing means is omitted, a considerable simplification in the storage and in the manufacture can be achieved. In order to achieve this, it is proposed according to the invention that the bearing journal in the form of a preferably deep-drawn hollow journal is molded into the bearing plate which is made of sheet metal and is integrally connected to the base plate. The hollow journal can be used both as a journal and as a bearing bush to be used.

Eine vorteilhafte Ausgestaltung der Erfindung sieht vor, daß der Betätigungshebel eine den Lagerzapfen umfassende Lagerbohrung aufweist, und daß das über die Lagerbohrung überstehende freie Hohlzapfenende einen radial überstehenden, den Lagerbohrungsrand des Betätigungshebels übergreifenden Bördelrand aufweist.An advantageous embodiment of the invention provides that the actuating lever has a bearing bore encompassing the bearing journal, and that the free hollow journal end projecting beyond the bearing borehole has a radially projecting flanged edge that overlaps the bearing bore rim of the actuating lever.

Gemäß einer weiteren bevorzugten Ausgestaltung der Erfindung ist am Betätigungshebel ein durch die Hohlzapfenöffnung hindurchgreifender Lagerzapfen angeformt, der zur Axialsicherung an seinem über die Hohlzapfenöffnung überstehenden Ende eine radiale Verbreiterung oder Verdickung aufweist. Die Verbreiterung oder Verdickung des Lagerzapfens kann dabei entweder durch elastische oder plastische Aufspreizung des vorzugsweise geschlitzten Zapfenmaterials oder als am Lagerzapfen im Zuge der Montage angeformter Nietkopf ausgebildet sein. Wenn der Betätigungshebel nach einer vorteilhaften Ausgestaltung der Erfindung aus thermoplastischem Kunststoff besteht, kann der Nietkopf unter Einwirkung von Druck und Wärme am Lagerzapfenende nachträglich angeformt werden.According to a further preferred embodiment of the invention, a bearing pin, which extends through the hollow pin opening, is formed on the actuating lever and has a radial widening or thickening at its end projecting beyond the hollow pin opening to secure it axially having. The widening or thickening of the bearing journal can be formed either by elastic or plastic expansion of the preferably slotted journal material or as a rivet head integrally formed on the bearing journal in the course of assembly. If, according to an advantageous embodiment of the invention, the actuating lever consists of thermoplastic plastic, the rivet head can be molded on at the end of the bearing journal under the action of pressure and heat.

Vorteilhafterweise ist der am Betätigungshebel angeformte Lagerzapfen durch den Hohlzapfen von dessen über die Lagerschildebene überstehender Seite her hindurchgesteckt. Zweckmäßig greift dabei der über die Lagerschildebene überstehende Teil des Hohlzapfens zusätzlich in eine ringförmige Lageraussparung des Betätigungshebels ein, so daß sich eine stabile Lagerung des Betätigungshebels am Lagerschild ergibt.Advantageously, the bearing journal formed on the actuating lever is inserted through the hollow journal from its side projecting beyond the plane of the end shield. The part of the hollow pin projecting beyond the end plate level expediently also engages in an annular bearing recess in the actuating lever, so that there is a stable mounting of the actuating lever on the end plate.

Eine weitere Verbesserung in dieser Hinsicht wird dadurch erreicht, daß der Betätigungshebel eine in der Nähe des Hohlzapfens flächig gegen eine Führungsfläche des Lagerschilds anliegende Anlagefläche aufweist.A further improvement in this regard is achieved in that the actuating lever has a contact surface which lies flat against a guide surface of the end shield in the vicinity of the hollow pin.

Um eine Verletzungsgefahr am gratigen Lagerschild zu vermeiden, ist es vorteilhaft, wenn am Betätigungshebel ein die vorzugsweise teilkreisförmige Oberkante und/oder den Hohlzapfen über- oder umgreifendes Abdeckteil angeformt ist.In order to avoid a risk of injury on the burr end shield, it is advantageous if a cover part, which preferably encompasses the part-circular top and / or the hollow pin, is formed on the actuating lever.

Im folgenden wird die Erfindung anhand eines in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1
eine Seitenansicht einer Ordnermechanik;
Fig. 2
eine Vorderansicht der Ordnermechanik;
Fig. 3
einen Ausschnitt aus der Ordnermechanik mit einer ersten Lagervariante;
Fig. 4
einen Ausschnitt aus der Ordnermechanik mit einer zweiten Lagervariante;
Fig. 5
einen Ausschnitt aus der Ordnermechanik mit einer dritten Lagervariante.
The invention is explained in more detail below with reference to an exemplary embodiment shown schematically in the drawing. Show it:
Fig. 1
a side view of a folder mechanism;
Fig. 2
a front view of the folder mechanism;
Fig. 3
a section of the folder mechanics with a first storage variant;
Fig. 4
a section of the folder mechanics with a second storage variant;
Fig. 5
a section of the folder mechanics with a third storage variant.

Die in der Zeichnung dargestellte Ordnermechanik besteht im wesentlichen aus einer aus Metallblech bestehenden Grundplatte 10, zwei im Abstand voneinander senkrecht über die Grundplatte 10 überstehenden Aufreihstiften 12, einem an Lagerlaschen 16 der Grundplatte 10 schwenkbar gelagerten Umlegebügel 18, einem aus der Grundplatte ausgestanzten und senkrecht hochgebogenen Lagerschild 20 und einem an einer Lagerstelle 24 des Lagerschilds begrenzt verschwenkbar gelagerten, über ein bei dem gezeigten Ausführungsbeispiel vorhandenes Gleitkurvenelement 28 auf den Umlegebügel 24 einwirkenden Betätigungshebel 22.The folder mechanism shown in the drawing essentially consists of a base plate 10 made of sheet metal, two line-up pins 12 projecting at a distance from one another perpendicularly above the base plate 10, a folding bracket 18 pivotably mounted on mounting brackets 16 of the base plate 10, and a punched-out and bent up vertically from the base plate Bearing plate 20 and an actuating lever 22 which is pivotably mounted on a bearing point 24 of the bearing plate and acts on the folding bracket 24 via a sliding curve element 28 present in the exemplary embodiment shown.

Die Lagerstelle 24 weist einen in das Blechlagerschild 20 eingeformten, tiefgezogenen Hohlzapfen 30 auf, an welchem der Betätigungshebel 22 unmittelbar gelagert und gegen ein axiales Abziehen gesichert ist.The bearing point 24 has a deep-drawn hollow pin 30 molded into the sheet metal bearing plate 20, on which the actuating lever 22 is mounted directly and is secured against axial pulling off.

Bei dem in Fig. 1 bis 3 gezeigten Ausführungsbeispiel ist der Betätigungshebel 22 mit einer Lagerbohrung 32 auf den als Lagerzapfen dienenden Hohlzapfen 30 aufgesteckt. An seinem über die Lagerbohrung 32 überstehenden freien Ende ist der Hohlzapfen 30 nachträglich mit einem radial überstehenden Bördelrand 34 versehen, der den Betätigungshebel gegen axiales Abziehen sichert. Eine am Betätigungshebel angeformte Abdeckung 36 und eine in diesen eingeformte Vertiefung 38 sorgen dafür, daß die freie Oberkante 40 und der Bördelrand 34 des Lagerschilds 20 gegen versehentlichen Zugriff verdeckt angeordnet sind, so daß eine Verletzungsgefahr an den dort vorhandenen Blechgraten vermieden wird.In the embodiment shown in FIGS. 1 to 3, the actuating lever 22 is attached with a bearing bore 32 to the hollow pin 30 serving as a bearing pin. At its free end projecting beyond the bearing bore 32, the hollow pin 30 is subsequently provided with a radially projecting flanged edge 34, which is the actuating lever secures against axial pulling off. A molded on the actuating lever cover 36 and a recess 38 formed therein ensure that the free upper edge 40 and the flanged edge 34 of the end shield 20 are concealed against accidental access, so that a risk of injury to the sheet metal burrs there is avoided.

Bei dem in Fig. 4 gezeigten Ausführungsbeispiel ist am Betätigungshebel 22 ein Lagerzapfen 42 angeformt, der durch den in diesem Falle als Lagerbüchse dienenden Hohlzapfen 30 von der überstehenden Seite des Hohlzapfens her hindurchgesteckt ist. Der Lagerzapfen 42 ist außerdem von einer ringförmigen Aussparung 44 umgeben, in die der überstehende Teil des Hohlzapfens 30 eingreift. Zur Axialsicherung ist der Lagerzapfen 42 an seinem über die Lageröffnung 46 des Hohlzapfens überstehenden freien Ende mit Schlitzen 48 versehen und unter Bildung einer Verdickung radial nach außen gespreizt.In the embodiment shown in FIG. 4, a bearing pin 42 is formed on the actuating lever 22 and is inserted through the hollow pin 30, which in this case serves as a bearing bush, from the protruding side of the hollow pin. The bearing pin 42 is also surrounded by an annular recess 44, in which the protruding part of the hollow pin 30 engages. For axial securing, the bearing journal 42 is provided with slots 48 at its free end projecting beyond the bearing opening 46 of the hollow journal and spread radially outward to form a thickening.

Das in Fig. 5 gezeigte Ausführungsbeispiel entspricht im Prinzip dem Ausführungsbeispiel nach Fig. 4. Die für die Axialsicherung vorgesehene Verbreiterung des Lagerzapfens ist dort jedoch als Nietkopf 50 ausgebildet, der unter Anwendung von Druck und Wärme an den aus thermoplastischem Kunststoff bestehenden Betätigungshebel 22 nachträglich angeformt wurde. Durch die am Betätigungshebel 22 angeformte Abdeckung wird die gratige Oberkante 40 gegen versehentlichen Zugriff von außen abgedeckt.The embodiment shown in FIG. 5 corresponds in principle to the embodiment according to FIG. 4. The widening of the bearing journal provided for the axial securing is there, however, formed as a rivet head 50, which is subsequently molded onto the actuating lever 22 made of thermoplastic plastic using pressure and heat has been. The cover formed on the actuating lever 22 covers the burring upper edge 40 against accidental access from the outside.

In allen drei Ausführungsvarianten weist das Lagerschild eine gegenüber der Grundplatte 10 vertikal ausgerichtete Führungsfläche 52 auf, gegen die der Betätigungshebel 22 mit einer Anlagefläche 54 anliegt.In all three design variants, the end shield has a guide surface 52 which is vertically aligned with respect to the base plate 10 and against which the actuating lever 22 bears with a contact surface 54.

Zusammenfassend ist folgendes festzustellen:
Die Erfindung bezieht sich auf eine Ordnermechanik mit einer aus Metallblech bestehenden Grundplatte 10, zwei an der Grundplatte senkrecht überstehenden Aufreihstiften 12, einem an der Grundplatte 10 zwischen einer Offenstellung und einer Schließstellung begrenzt verschwenkbaren Umlegebügel 18, einem über die Grundplatte 10 überstehenden, einstückig mit dieser verbundenen Lagerschild 20 und einem in einer Lagerstelle 24 des Lagerschilds 20 schwenkbar gelagerten, auf den Umlegebügel 18 unmittelbar oder mittelbar einwirkenden Betätigungshebel 22. Zur Gewährleistung einer rationellen und preiswerten Fertigung ist in das Lagerschild 20 ein senkrecht über die Lagerschildebene überstehenden Hohlzapfen 30 im Tiefziehverfahren eingeformt, während der Betätigungshebel 22 unmittelbar an dem Hohlzapfen 30 schwenkbar gelagert und gegen axiales Abziehen vom Hohlzapfen 30 gesichert ist. Der Hohlzapfen kann dabei als Lagerzapfen für eine am Betätigungshebel angeordnete Lagerbohrung 32 oder als Lagerbüchse für einen am Betätigungshebel 22 angeformten Lagerzapfen 42 dienen. Zur Axialsicherung ist entweder der Hohlzapfen oder der am Betätigungshebel 22 angeformte Lagerzapfen in Zuge der Hebelmontage unter Bildung einer entsprechenden Verdickung radial aufzuspreizen oder zu verdicken.In summary, the following can be stated:
The invention relates to a folder mechanism with a base plate 10 consisting of sheet metal, two line-up pins 12 projecting vertically on the base plate, a folding bracket 18 which can be pivoted to a limited extent on the base plate 10 between an open position and a closed position, and one protruding over the base plate 10, in one piece therewith connected end shield 20 and an actuating lever 22 which is pivotally mounted in a bearing 24 of the end shield 20 and acts directly or indirectly on the transfer bracket 18. while the actuating lever 22 is pivotally mounted directly on the hollow pin 30 and is secured against axial withdrawal from the hollow pin 30. The hollow journal can serve as a journal for a bearing bore 32 arranged on the actuating lever or as a bearing bush for a journal 42 formed on the actuating lever 22. For axial securing, either the hollow pin or the bearing pin formed on the actuating lever 22 is to be radially expanded or thickened in the course of the lever assembly to form a corresponding thickening.

Claims (12)

  1. File mechanism, having a base plate (10) made of sheet metal, two spaced-apart thread-on pins (12) projecting at right angles from the base plate, a folding clamp (18) preferably made of bent metal wire and capable of swivelling on the base plate (10) to a limited extent between an open position and a closed position, a bearing bracket (20) projecting beyond the base plate (10) and an operating lever (22) supported so as to be capable of swivelling and locked against axial removal on a bearing journal (30), which is formed on the bearing bracket (20) and projects at right angles from the bearing bracket plane, and acting directly or indirectly upon the folding clamp (18), characterized in that the bearing journal is formed in the form of a hollow journal (30) in the bearing bracket, which is made of sheet metal and is integrally connected to the base plate (10).
  2. File mechanism according to claim 1, characterized in that the hollow journal (30) is formed by deep drawing of the sheet metal which forms the bearing bracket (20).
  3. File mechanism according to claim 1 or 2, characterized in that the operating lever (22) has a bearing bore (32) which embraces the hollow journal (30) and that the free hollow journal end projecting beyond the bearing bore (32) has a radially projecting flange (34) which overlaps the bearing bore edge.
  4. File mechanism according to claim 1 or 2, characterized in that a bearing journal (42) which engages through the hollow journal opening (46) is formed on the operating lever (22) and has, at its end projecting beyond the hollow journal opening, a radial widening or thickening (48, 50).
  5. File mechanism according to claim 4, characterized in that the widening or thickening of the bearing journal end is formed by elastic or plastic expansion of the bearing journal material which is preferably provided with slots (48).
  6. File mechanism according to claim 5, characterized in that the widening or thickening takes the form of a rivet head (50) formed on the bearing journal (42).
  7. File mechanism according to one of claims 1 to 6, characterized in that the operating lever (22) is made of thermoplastic material.
  8. File mechanism according to claim 6 or 7, characterized in that the rivet head (50) is formed on the bearing journal end by thermal deformation.
  9. File mechanism according to one of claims 4 to 8, characterized in that the bearing journal (42) is inserted through the hollow journal (30) from the direction of the side of the hollow journal which projects beyond the bearing bracket plane.
  10. File mechanism according to claim 9, characterized in that the part of the hollow journal (30) projecting beyond the bearing bracket plane engages into an annular bearing recess (44) of the operating lever (22).
  11. File mechanism according to one of claims 1 to 10, characterized in that the operating lever (22) has a contact surface (54) which rests flat against a guide surface (52) of the bearing bracket (20).
  12. File mechanism according to one of claims 1 to 11, characterized in that a cover part (36, 38) is formed on the operating lever (22) and encompasses the preferably graduated circle-shaped upper edge (40) and/or the hollow journal (30).
EP92108585A 1991-06-22 1992-05-21 Mechanism for letter file Expired - Lifetime EP0520189B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4120718A DE4120718A1 (en) 1991-06-22 1991-06-22 FOLDER MECHANICS
DE4120718 1991-06-22

Publications (2)

Publication Number Publication Date
EP0520189A1 EP0520189A1 (en) 1992-12-30
EP0520189B1 true EP0520189B1 (en) 1996-03-13

Family

ID=6434566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92108585A Expired - Lifetime EP0520189B1 (en) 1991-06-22 1992-05-21 Mechanism for letter file

Country Status (3)

Country Link
EP (1) EP0520189B1 (en)
AT (1) ATE135309T1 (en)
DE (2) DE4120718A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4327270A1 (en) * 1993-08-13 1995-02-16 Leitz Louis Kg File mechanism
EP1942011A1 (en) * 2007-01-05 2008-07-09 Leco Stationery Manufacturing Co. Ltd. Lever-arch type file mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113219C (en) * 1959-07-31 1900-01-01
NL274735A (en) * 1961-03-02
AT331765B (en) * 1973-06-26 1976-08-25 Leitz Fa Louis LIFTING DEVICE FOR PERFORATED WRITTEN MATERIAL
DE3302268C2 (en) * 1983-01-25 1984-12-13 Leitz, Louis, 7000 Stuttgart Base plate of a line-up device

Also Published As

Publication number Publication date
ATE135309T1 (en) 1996-03-15
DE59205644D1 (en) 1996-04-18
DE4120718A1 (en) 1992-12-24
EP0520189A1 (en) 1992-12-30

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