EP0294612B1 - Paper punch - Google Patents
Paper punch Download PDFInfo
- Publication number
- EP0294612B1 EP0294612B1 EP88107709A EP88107709A EP0294612B1 EP 0294612 B1 EP0294612 B1 EP 0294612B1 EP 88107709 A EP88107709 A EP 88107709A EP 88107709 A EP88107709 A EP 88107709A EP 0294612 B1 EP0294612 B1 EP 0294612B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base plate
- paper punch
- punch according
- mounting
- insertion slot
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
- B26F1/36—Punching or perforating pliers
Definitions
- the invention relates to a letter punch with a base plate provided with die cutouts for the passage of punches and delimited at its lower edge by a base and with at least two spaced apart from each other on the base plate and separately attachable, each having a punch guide and together with the base plate one to their front broad side edge open insertion slot limiting bearing blocks on which a pressure lever acting on the punch is pivotally mounted about an axis parallel to the broad side edges.
- letter punches of this type have two bearing blocks riveted or welded to the base plate, in which the punch punches, which are under the action of a return spring, are guided.
- the stand area of the punch is formed exclusively by the base plate, while the bearing blocks placed on the base plate have no stand function.
- base plates of different sizes are therefore required, to which each bearing block is adjusted in size.
- the invention has for its object to provide a letter punch, in which the manufacture of the bearing blocks for different hole sizes is standardized and can therefore be rationalized.
- the invention is based primarily on the idea that when using individually producible bearing blocks, which in addition to the punch guide and pressure lever bearing also have a standing function, one and the same bearing block type in conjunction with differently sized base plates enables rational production of differently sized holes. Proceeding from this, it is proposed according to the invention that a bracket, which projects in the assembled state beyond the rear broad side edge of the base plate and is aligned on its lower edge with the base surface of the base plate, is formed on the bearing blocks.
- the bearing block has a central part which is angled upward from the standing surface of the boom and abuts against a downwardly bent edge of the base plate, with overlapping bores for the passage of in the central part and a bent edge of the base plate
- fasteners designed as screws or rivets are arranged.
- the bearing block then overlaps a surface of the base plate that runs parallel to the standing surface on the middle part pointing upward and has a stop thereafter for the documents to be punched as a rear limitation of the insertion slot.
- the letter punch will normally have two bearing blocks arranged on the base plate at a standard distance from one another. For multiple perforations, however, it is also possible to equip the base plate with three or four bearing blocks arranged at a lateral distance from one another and provided with the bracket according to the invention. In order to be able to set different hole spacings, according to an advantageous embodiment of the invention, at least one of the bearing blocks can be attached laterally displaceably to the base plate.
- the base plate has a surface pointing obliquely forward from the opening of the insertion slot.
- the base plate can have a step forming a stop for the document to be punched in the rear area of the insertion slot, this step can be supplemented with the stop located on the bearing block to form a common limit stop.
- the base plate 1 has a horizontal die web 11 with die cutouts 12 for punches (not shown) and an inclined surface 17 upstream of the die web 11.
- the rear bent edge 13 runs obliquely downward and contains holes 14 for receiving fastening screws, not shown.
- a recess 16 is provided for the passage of a stop rail, not shown.
- the footprint of the base plate is formed by the closed lower edge of the edges 13, 15.
- the bearing block 2 which is preferably designed as a cast part made of metal or plastic, has a relatively long arm 21 having a U-shaped profile, a central part 22 which points obliquely upward from the arm 21 and a bearing and guide part 27 which overlaps the base plate to a certain extent.
- the middle part 22 bears against the inclined edge 23 of the base plate and is provided with two threaded bores 28 for receiving fastening screws (not shown), the head of which bears against the inner surface of the edge 13 in the region of the bores 14.
- the bearing block 2 has in the region of the part 27 a surface 23 which bears against the die web 11 and a stop surface 24 which is perpendicular thereto and delimits the insertion slot 18 for the documents to be punched.
- a bore 25 for receiving a Hole punch and a transverse bore 26 are provided for receiving a bearing rod, around the axis of which a pressure lever, not shown, acting against the punch is mounted.
- the stand area of the base plate is enlarged by the extension 21 of the bearing block 2.
- the pedestals 2 produced as individual parts can be connected to base plates 1 of different dimensions, so that different sized letter punches can be produced with one and the same pedestal type.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Patch Boards (AREA)
- Paper (AREA)
- Developing Agents For Electrophotography (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
Die Erfindung betrifft einen Brieflocher mit einer mit Matrizenaussparungen für den Durchtritt von Lochstempeln versehenen und an ihrer Unterkante durch eine Standfläche begrenzten Grundplatte und mit mindestens zwei in seitlichem Abstand voneinander an der Grundplatte vorgesehenen und getrennt befestigbaren, je eine Lochstempelführung aufweisenden und zusammen mit der Grundplatte einen zu deren vorderen Breitseitenrand offenen Einschubschlitz begrenzenden Lagerböcken, an denen ein auf die Lochstempel einwirkender Druckhebel um eine zu den Breitseitenrändern parallele Achse schwenkbar gelagert ist.The invention relates to a letter punch with a base plate provided with die cutouts for the passage of punches and delimited at its lower edge by a base and with at least two spaced apart from each other on the base plate and separately attachable, each having a punch guide and together with the base plate one to their front broad side edge open insertion slot limiting bearing blocks on which a pressure lever acting on the punch is pivotally mounted about an axis parallel to the broad side edges.
Brieflocher dieser Art weisen wie allgemein bekannt zwei mit der Grundplatte vernietete oder verschweißte Lagerböcke auf, in denen die unter der Wirkung einer Rückholfeder stehenden Lochstempel geführt sind. Die Standfläche des Lochers wird dabei ausschließlich durch die Grundplatte gebildet, während die auf die Grundplatte aufgesetzten Lagerböcke keine Standfunktion aufweisen. Je nach Lochergröße werden daher unterschiedlich große Grundplatten benötigt, an denen jeweils in der Größe angepaßte Lagerböcke befestigt werden.As is generally known, letter punches of this type have two bearing blocks riveted or welded to the base plate, in which the punch punches, which are under the action of a return spring, are guided. The stand area of the punch is formed exclusively by the base plate, while the bearing blocks placed on the base plate have no stand function. Depending on the size of the punch, base plates of different sizes are therefore required, to which each bearing block is adjusted in size.
Der Erfindung liegt die Aufgabe zugrunde, einen Brieflocher zu schaffen, bei welchem die Herstellung der Lagerböcke für unterschiedliche Lochergrößen vereinheitlicht und daher rationalisiert werden kann.The invention has for its object to provide a letter punch, in which the manufacture of the bearing blocks for different hole sizes is standardized and can therefore be rationalized.
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.
Der Erfindung liegt vor allem der Gedanke zugrunde, daß bei der Verwendung von einzeln herstellbaren Lagerböcken, denen neben der Lochstempelführung und Druckhebellagerung zusätzlich eine Standfunktion zukommt, ein und derselbe Lagerbocktyp in Verbindung mit unterschiedlich großen Grundplatten eine rationelle Herstellung verschieden großer Locher ermöglicht. Ausgehend hiervon wird gemäß der Erfindung vorgeschlagen, daß an den Lagerböcken ein im montierten Zustand uber den rückwärtigen Breitseitenrand der Grundplatte überstehender und an seiner Unterkante mit der Standfläche der Grundplatte fluchtender Ausleger angeformt ist.The invention is based primarily on the idea that when using individually producible bearing blocks, which in addition to the punch guide and pressure lever bearing also have a standing function, one and the same bearing block type in conjunction with differently sized base plates enables rational production of differently sized holes. Proceeding from this, it is proposed according to the invention that a bracket, which projects in the assembled state beyond the rear broad side edge of the base plate and is aligned on its lower edge with the base surface of the base plate, is formed on the bearing blocks.
Gemäß einer bevorzugten Ausgestaltung der Erfindung weist der Lagerbock einen von der Standfläche des Auslegers nach oben abgewinkelten, gegen einen nach unten abgebogenen Rand der Grundplatte anliegenden mittleren Teil auf, wobei in dem mittleren Teil und einem abgebogenen Rand der Grundplatte einander überlappende Bohrungen für den Durchtritt von beispielsweise als Schrauben oder Nieten ausgebildeten Befestigungsorganen angeordnet sind.According to a preferred embodiment of the invention, the bearing block has a central part which is angled upward from the standing surface of the boom and abuts against a downwardly bent edge of the base plate, with overlapping bores for the passage of in the central part and a bent edge of the base plate For example, fasteners designed as screws or rivets are arranged.
Vorteilhafterweise übergreift der Lagerbock anschließend an den nach oben weisenden mittleren Teil eine parallel zur Standfläche verlaufende Oberfläche der Grundplatte und weist im Anschluß daran einen Anschlag für das zu lochende Schriftgut als rückwärtige Begrenzung des Einschubschlitzes auf.Advantageously, the bearing block then overlaps a surface of the base plate that runs parallel to the standing surface on the middle part pointing upward and has a stop thereafter for the documents to be punched as a rear limitation of the insertion slot.
Normalerweise wird der Brieflocher zwei im Normabstand voneinander an der Grundplatte angeordnete Lagerböcke aufweisen. Für Mehrfachlochungen ist es aber auch möglich, die Grundplatte mit drei oder vier in seitlichem Abstand voneinander angeordneten, mit dem erfindungsgemäßen Ausleger versehenen Lagerböcken zu bestükken. Um unterschiedliche Lochabstände einstellen zu können, kann nach einer vorteilhaften Ausgestaltung der Erfindung mindestens einer der Lagerböcke seitlich versetzbar an der Grundplatte befestigt werden.The letter punch will normally have two bearing blocks arranged on the base plate at a standard distance from one another. For multiple perforations, however, it is also possible to equip the base plate with three or four bearing blocks arranged at a lateral distance from one another and provided with the bracket according to the invention. In order to be able to set different hole spacings, according to an advantageous embodiment of the invention, at least one of the bearing blocks can be attached laterally displaceably to the base plate.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung weist die Grundplatte eine von der Öffnung des Einschubschlitzes aus schräg nach vorne weisende Oberfläche auf. Die Grundplatte kann dabei im rückwärtigen Bereich des Einschubschlitzes eine einen Anschlag für das zu lochende Schriftgut bildende Stufe aufweisen, wobei sich diese Stufe mit dem am Lagerbock befindlichen Anschlag zu einem gemeinsamen Begrenzungsanschlag ergänzen kann.According to a further advantageous embodiment of the invention, the base plate has a surface pointing obliquely forward from the opening of the insertion slot. The base plate can have a step forming a stop for the document to be punched in the rear area of the insertion slot, this step can be supplemented with the stop located on the bearing block to form a common limit stop.
Im folgenden wird die Erfindung anhand des in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiels des erfindungsgemäßen Brieflochers näher erläutert. Es zeigen
- Fig. 1
- eine perspektivische Darstellung einer Grundplatte mit einem Lagerbock als Bestandteil eines Brieflochers;
- Fig. 2
- eine perspektivische Darstellung eines Lagerbocks von seiner Unterseite her gesehen.
- Fig. 1
- a perspective view of a base plate with a bearing block as part of a letter punch;
- Fig. 2
- a perspective view of a bearing block seen from its underside.
Die Grundplatte 1 weist einen waagerechten Matrizensteg 11 mit Matrizenaussparungen 12 für nicht dargestellte Lochstempel sowie eine dem Matrizensteg 11 vorgelagerte Schrägfläche 17 auf. Der rückwärtige abgebogene Rand 13 verläuft schräg nach unten und enthält Bohrungen 14 für die Aufnahme nicht dargestellter Befestigungsschrauben. An einem der im wesentlichen senkrecht abgebogenen Schmalseitenränder 15 ist eine Aussparung 16 für den Durchtritt einer nicht dargestellten Anschlagschiene vorgesehen. Die Standfläche der Grundplatte wird durch die geschlossene Unterkante der Ränder 13, 15 gebildet.The base plate 1 has a horizontal die web 11 with die
Der vorzugsweise als Gußteil aus Metall oder Kunststoff ausgebildete Lagerbock 2 weist einen verhältnismäßig langen, ein U-Profil aufweisenden Ausleger 21, ein vom Ausleger 21 aus schräg nach oben weisendes Mittelteil 22 sowie ein die Grundplatte ein Stück weit übergreifendes Lager- und Führungsteil 27 auf. Das Mittelteil 22 liegt gegen den schrägen Rand 23 der Grundplatte an und ist mit zwei Gewindebohrungen 28 für die Aufnahme nicht dargestellter Befestigungsschrauben versehen, deren Kopf im Bereich der Bohrungen 14 gegen die Innenfläche des Randes 13 anliegt. Anschließend an die Schrägfläche des mittleren Teils 22 weist der Lagerbock 2 im Bereich des Teils 27 eine gegen den Matrizensteg 11 anliegende Fläche 23 sowie eine hierzu senkrechte, den Einschubschlitz 18 für das zu lochende Schriftgut begrenzende Anschlagfläche 24 auf. In dem den Matrizensteg 11 übergreifenden vorderen Teil 27 des Lagerbocks 2 ist außerdem eine Bohrung 25 für die Aufnahme eines Lochstempels und eine Querbohrung 26 für die Aufnahme einer Lagerstange vorgesehen, um deren Achse ein nicht dargestellter, gegen den Lochstempel einwirkender Druckhebel gelagert ist. Durch den Ausleger 21 des Lagerbocks 2 wird die Standfläche der Grundplatte vergrößert. Die als Einzelteile hergestellten Lagerbökke 2 können dabei mit Grundplatten 1 unterschiedlicher Abmessungen verbunden werden, so daß mit ein und demselben Lagerbocktyp unterschiedlich große Brieflocher hergestellt werden können.The
Claims (9)
- Paper punch comprising a base plate (1) having stencil recesses (12) for the passage of punch dies and defined at its bottom edge by a standing surface, and with at least two mounting units (2), which are provided with a lateral gap between them and separately mounted on the base plate (1) and comprising a respective punch die guide (25) and which, together with the base plate (1), define an insertion slot which is open towards their front broadside edge, with a pressure lever, which acts on the punch die, mounted on said mounting units (2) so as to be pivotable around an axis which is parallel with the broadside edges, characterised in that an extension (21) is formed onto the mounting units (2), which extension in the mounted state extends over the rearward broadside edge of the base plate (1) and is flush at its bottom edge with the standing surface of the base plate (1).
- Paper punch according to claim 1, characterised in that the mounting unit (2) comprises a middle portion (22), which is angled upwards from the standing surface of the extension (21) and abutting against a downwardly bent edge (13) of the base plate (1), and in that bores, which overlap in the middle portion (22) and the bent edge (13) of the base plate (1), are provided for passing of mounting elements.
- Paper punch according to claim 2, characterised in that the middle portion (22) of the mounting unit has at least one threaded bore for accommodating at least one of the bolts serving as a mounting element.
- Paper punch according to claim 2 or 3, characterised in that the mounting unit (2) adjacent to the upward facing middle portion (22) extends partially beyond a surface of the base plate (1) extending parallel with the standing surface (1), abutting thereagainst and forming a stop (24) for the papers to be punched as a rearward limit of the insertion slot.
- Paper punch according to one of the claims 1 to 4, characterised in that the base plate is fitted with three or four laterally arranged mounting units (2) with extensions (21).
- Paper punch according to one of the claims 1 to 5, characterised in that at least one of the mounting units (2) is mounted to the ground plate (1) so as to be laterally displaceable
- Paper punch according to one of the claims 1 to 6, characterised in that the base plate (1) has a top surface oriented slantingly downwards from the opening of the insertion slot.
- Paper punch according to one of the claims 1 to 7, characterised in that the base plate has in the rearward region of the insertion slot a step, forming a stop for the papers to be punched.
- Paper punch according to claim 8, characterised in that the step in the base plate and the stop (24) at the mounting unit together form a mutual limiting stop for the papers to be punched.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88107709T ATE73379T1 (en) | 1987-06-11 | 1988-05-13 | MAILHOLE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3719444 | 1987-06-11 | ||
DE19873719444 DE3719444A1 (en) | 1987-06-11 | 1987-06-11 | LETTER HOLE |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0294612A2 EP0294612A2 (en) | 1988-12-14 |
EP0294612A3 EP0294612A3 (en) | 1990-12-05 |
EP0294612B1 true EP0294612B1 (en) | 1992-03-11 |
Family
ID=6329466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88107709A Expired - Lifetime EP0294612B1 (en) | 1987-06-11 | 1988-05-13 | Paper punch |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0294612B1 (en) |
JP (1) | JPS645797A (en) |
AT (1) | ATE73379T1 (en) |
DE (2) | DE3719444A1 (en) |
ES (1) | ES2030456T3 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2587185A (en) * | 1946-09-17 | 1952-02-26 | Allan O Marsh | Multiple punch |
DE1722717U (en) * | 1956-03-10 | 1956-05-24 | Brause & Co | LETTER HOLES. |
GB893212A (en) * | 1959-11-03 | 1962-04-04 | Wilhelm Friedrich Fuhrhop | Improvements in and relating to perforator devices |
DE1817222U (en) * | 1960-06-02 | 1960-08-25 | Alfred Dr Neff | CONTROL KNOB. |
DE1952421U (en) * | 1966-09-30 | 1966-12-29 | Kraut & Meienborn | LETTER HOLES. |
-
1987
- 1987-06-11 DE DE19873719444 patent/DE3719444A1/en not_active Ceased
-
1988
- 1988-05-13 DE DE8888107709T patent/DE3868982D1/en not_active Expired - Fee Related
- 1988-05-13 EP EP88107709A patent/EP0294612B1/en not_active Expired - Lifetime
- 1988-05-13 AT AT88107709T patent/ATE73379T1/en active
- 1988-05-13 ES ES198888107709T patent/ES2030456T3/en not_active Expired - Lifetime
- 1988-06-08 JP JP63139601A patent/JPS645797A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3719444A1 (en) | 1989-01-12 |
EP0294612A2 (en) | 1988-12-14 |
JPS645797A (en) | 1989-01-10 |
ES2030456T3 (en) | 1992-11-01 |
ATE73379T1 (en) | 1992-03-15 |
EP0294612A3 (en) | 1990-12-05 |
DE3868982D1 (en) | 1992-04-16 |
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