EP0294612B1 - Perforateur pour lettre - Google Patents

Perforateur pour lettre Download PDF

Info

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
Application number
EP88107709A
Other languages
German (de)
English (en)
Other versions
EP0294612A2 (fr
EP0294612A3 (en
Inventor
Theodor Pflugfelder
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 Firma
Original Assignee
Louis Leitz Firma
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Louis Leitz Firma filed Critical Louis Leitz Firma
Priority to AT88107709T priority Critical patent/ATE73379T1/de
Publication of EP0294612A2 publication Critical patent/EP0294612A2/fr
Publication of EP0294612A3 publication Critical patent/EP0294612A3/de
Application granted granted Critical
Publication of EP0294612B1 publication Critical patent/EP0294612B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Developing Agents For Electrophotography (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Paper (AREA)
  • Patch Boards (AREA)

Claims (9)

  1. Perforateur de bureau, comprenant une plaque de base (1) munie d'évidements de matrice (12) pour le passage de poinçons perforateurs et délimitée à son arête inférieure par une assise, et au moins deux supports (2) prévus à distance latérale l'un de l'autre sur la plaque de base (1), pouvant être montés séparément, comprenant chacun un guide-poinçon (25) et délimitant, conjointement avec la plaque de base (1), une fente d'introduction ouverte en direction du bord du grand côté antérieur de ladite plaque de base, sur lesquels un levier de pression agissant sur les poinçons est monté de façon à pouvoir pivoter autour d'un axe parallèle aux bords des grands côtés, caractérisé en ce que sur les supports (2) est conformé un avant-bras (21) qui, à l'état monté, dépasse du bord du grand côté arrière de la plaque de base (1) et s'aligne, sur l'arête inférieure de celle-ci, avec l'assise de la plaque de base (1).
  2. Perforateur de bureau selon la revendication 1, caractérisé en ce que le support (2) comprend une section médiane (22) coudée vers le haut par rapport à l'assise de l'avant-bras (21) et appliquée contre un rebord (13) replié vers le bas de la plaque de base (1), et que dans la section médiane (22) et dans le rebord (13) replié de la plaque de base (1) sont disposés des alésages qui se recouvrent mutuellement pour le passage d'organes de fixation.
  3. Perforateur de bureau selon la revendication 2, caractérisé en ce que la section médiane (22) du support présente au moins un taraudage pour la réception d'au moins une vis constituant l'organe de fixation.
  4. Perforateur de bureau selon l'une des revendications 2 ou 3, caractérisé en ce que le support (2) recouvre, à la suite de la section médiane (22) dirigée vers le haut, une surface de la plaque de base (1) orientée parallèlement à l'assise contre laquelle elle est appliquée et forme une butée (24) pour les documents à perforer en tant que délimitation arrière de la fente d'introduction.
  5. Perforateur selon l'une des revendications 1 à 4, caractérisé en ce que la plaque de base peut être équipée de trois ou quatre supports (2) munis d'avant-bras (21) et disposés à distance latérale les uns par rapport aux autres.
  6. Perforateur de bureau selon l'une des revendications 1 à 5, caractérisé en ce qu'au moins l'un des supports (2) peut être monté sur la plaque de base (1) de façon à pouvoir être déplacé dans le sens latéral.
  7. Perforateur de bureau selon l'une des revendications 1 à 6, caractérisé en ce que la plaque de base (1) présente une surface inclinée vers le bas à partir de l'ouverture de la fente d'introduction.
  8. Perforateur de bureau selon l'une des revendications 1 à 7, caractérisé en ce que la plaque de base présente dans la région arrière de la fente d'introduction un gradin formant une butée pour les documents à perforer.
  9. Perforateur de bureau selon la revendication 8, caractérisé en ce que le gradin ménagé dans la plaque de base se complète avec la butée (24) sur le support de façon à former une butée de délimitation commune pour les documents à perforer.
EP88107709A 1987-06-11 1988-05-13 Perforateur pour lettre Expired - Lifetime EP0294612B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107709T ATE73379T1 (de) 1987-06-11 1988-05-13 Brieflocher.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873719444 DE3719444A1 (de) 1987-06-11 1987-06-11 Brieflocher
DE3719444 1987-06-11

Publications (3)

Publication Number Publication Date
EP0294612A2 EP0294612A2 (fr) 1988-12-14
EP0294612A3 EP0294612A3 (en) 1990-12-05
EP0294612B1 true EP0294612B1 (fr) 1992-03-11

Family

ID=6329466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107709A Expired - Lifetime EP0294612B1 (fr) 1987-06-11 1988-05-13 Perforateur pour lettre

Country Status (5)

Country Link
EP (1) EP0294612B1 (fr)
JP (1) JPS645797A (fr)
AT (1) ATE73379T1 (fr)
DE (2) DE3719444A1 (fr)
ES (1) ES2030456T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587185A (en) * 1946-09-17 1952-02-26 Allan O Marsh Multiple punch
DE1722717U (de) * 1956-03-10 1956-05-24 Brause & Co Brieflocher.
GB893212A (en) * 1959-11-03 1962-04-04 Wilhelm Friedrich Fuhrhop Improvements in and relating to perforator devices
DE1817222U (de) * 1960-06-02 1960-08-25 Alfred Dr Neff Bedienungsknebel.
DE1952421U (de) * 1966-09-30 1966-12-29 Kraut & Meienborn Brieflocher.

Also Published As

Publication number Publication date
EP0294612A2 (fr) 1988-12-14
ES2030456T3 (es) 1992-11-01
DE3868982D1 (de) 1992-04-16
EP0294612A3 (en) 1990-12-05
DE3719444A1 (de) 1989-01-12
JPS645797A (en) 1989-01-10
ATE73379T1 (de) 1992-03-15

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