EP0250754B1 - Brieflocher - Google Patents

Brieflocher Download PDF

Info

Publication number
EP0250754B1
EP0250754B1 EP87105967A EP87105967A EP0250754B1 EP 0250754 B1 EP0250754 B1 EP 0250754B1 EP 87105967 A EP87105967 A EP 87105967A EP 87105967 A EP87105967 A EP 87105967A EP 0250754 B1 EP0250754 B1 EP 0250754B1
Authority
EP
European Patent Office
Prior art keywords
perforator
letter
die
lever
dies
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
EP87105967A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0250754A1 (de
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 AT87105967T priority Critical patent/ATE52054T1/de
Publication of EP0250754A1 publication Critical patent/EP0250754A1/de
Application granted granted Critical
Publication of EP0250754B1 publication Critical patent/EP0250754B1/de
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 punch body having a slot and two under the action of a return spring, essentially transverse to the slot in punch guides, which can be actuated by a lever mechanism acting on their rear end faces, the lever mechanism moving one between the two punch guides has on the punch body perpendicular to the plane formed by the punch guide bearings pivot pin actuator.
  • the lever mechanism consists of two articulated pressure levers, one of which is designed as an actuating lever.
  • the two pressure levers are each pivotably mounted about a bearing pin inserted into the cheeks of the punch body and each have a pressure wave acting on the rear end faces of the punch.
  • a pin inserted into the fork-shaped end of the actuating lever and passed through an elongated hole of the other pressure lever transmits the pivoting movement of the actuating lever to the other pressure lever during punching and is thereby displaced within the elongated hole transversely to the pin axis.
  • the invention has for its object to improve the letter punch of the type mentioned in that both punches can be operated with a single lever.
  • the letter punch of the first embodiment has a punch body 1, on the back of which the actuating lever 2 is mounted.
  • the punch body has an insertion slot 5, above or below which recesses 13, 14 are provided on the front of the letter punch, the boundaries of which facing the insertion slot 5 serve the return springs 4, 4 'as abutments.
  • the opposite abutment is formed by an annular disk lying against an annular shoulder of the punch 3.3 '.
  • open-ended recesses 11, 12 are provided after the rear side and the upper and lower narrow sides of the punch body 1, into which the ends of the punch punches 3, 3 'protrude, the end faces of which are encompassed by pressure pieces 21, 22 designed as bolts are attached to the actuating lever 2, projecting perpendicularly therefrom.
  • the actuating lever 2 acts on the punch 3 as a one-armed lever with a shorter power arm, while it acts as a double-armed lever on the punch 3 'with a longer power arm, the two return springs 4, 4' can be designed with different restoring forces.
  • the punches 3, 3 ' can also have different lengths, so that they come into effect one after the other and the force exerted on the actuating lever 2 is smaller than if both punches penetrate the insertion slot 5 at the same time. Further coverable cutouts can be provided on the punch body 1 for receiving and removing the punched-out chips.
  • the punch body 6 has an insertion slot 61 parallel to the base plate and two guides for the punches 7, 7 'forming an acute angle with one another, the return springs 8, 8' of which are towards the front recesses 62, 62 'of the letter punch are inserted, the abutments of which are designed in the same way as in the first exemplary embodiment.
  • the actuating lever 9 is mounted on the punch body 6 by means of a bearing pin 10, by means of which the punch 7, 7 'can be operated selectively.

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)
  • Drilling Tools (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
EP87105967A 1986-06-14 1987-04-23 Brieflocher Expired - Lifetime EP0250754B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87105967T ATE52054T1 (de) 1986-06-14 1987-04-23 Brieflocher.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863620095 DE3620095A1 (de) 1986-06-14 1986-06-14 Brieflocher
DE3620095 1986-06-14

Publications (2)

Publication Number Publication Date
EP0250754A1 EP0250754A1 (de) 1988-01-07
EP0250754B1 true EP0250754B1 (de) 1990-04-18

Family

ID=6303033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105967A Expired - Lifetime EP0250754B1 (de) 1986-06-14 1987-04-23 Brieflocher

Country Status (5)

Country Link
EP (1) EP0250754B1 (enrdf_load_stackoverflow)
JP (1) JPS62201698U (enrdf_load_stackoverflow)
AT (1) ATE52054T1 (enrdf_load_stackoverflow)
DE (2) DE3620095A1 (enrdf_load_stackoverflow)
ES (1) ES2014272B3 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19734744B4 (de) * 1997-08-12 2005-08-04 Esselte Leitz Gmbh & Co. Kg Locher

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT5850B (enrdf_load_stackoverflow) * 1901-01-07 1901-11-11 Hermann Herdegen
DE2024772C3 (de) * 1970-05-21 1973-10-31 Fa. Louis Leitz, 7000 Stuttgart Brieflocher
BE856531A (fr) * 1977-07-06 1977-10-31 Legros Patricia Dispositif de perforation d'une feuille de papier

Also Published As

Publication number Publication date
EP0250754A1 (de) 1988-01-07
DE3620095A1 (de) 1987-12-17
DE3620095C2 (enrdf_load_stackoverflow) 1988-04-07
ATE52054T1 (de) 1990-05-15
DE3762322D1 (de) 1990-05-23
ES2014272B3 (es) 1990-07-01
JPS62201698U (enrdf_load_stackoverflow) 1987-12-22

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