EP0268903A1 - Partie inférieure pour perforateur - Google Patents

Partie inférieure pour perforateur Download PDF

Info

Publication number
EP0268903A1
EP0268903A1 EP87116371A EP87116371A EP0268903A1 EP 0268903 A1 EP0268903 A1 EP 0268903A1 EP 87116371 A EP87116371 A EP 87116371A EP 87116371 A EP87116371 A EP 87116371A EP 0268903 A1 EP0268903 A1 EP 0268903A1
Authority
EP
European Patent Office
Prior art keywords
bent
base plate
right angles
punch
extension
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
EP87116371A
Other languages
German (de)
English (en)
Other versions
EP0268903B1 (fr
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 AT87116371T priority Critical patent/ATE51570T1/de
Publication of EP0268903A1 publication Critical patent/EP0268903A1/fr
Application granted granted Critical
Publication of EP0268903B1 publication Critical patent/EP0268903B1/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 lower part of a letter punch made of sheet steel of the type specified in the preamble of claim 1, as e.g. is known from DE-PS 2641254.
  • the invention has for its object to design the lower part of the punch hole so that for its manufacture compared to a punch hole of the aforementioned type, material is saved, assembly is simplified and a dimensionally stable design of the bearing blocks for the punch is achieved.
  • the blank has a plurality of fields which, in the erected state of the lower part, run along edges bent or separated from one another by cuts.
  • the front and rear standing surface is formed by the fields 1 and 1 ⁇ connected to the fields 7 and 7 ⁇ forming the side cheeks, of which the field 1 ⁇ has a three free edges, the vertically bent field 2 harness forming an extension. From the field 1 forming the front standing surface, the field 2 is bent up vertically, from which the field 3, which has a slight inclination with respect to the horizontal, is bent.
  • the field 3 is followed by the field 4 forming the horizontal matrix web, which has two circular cutouts 41 for the passage of the punch 10.
  • the field 5 adjoins the middle part of the field 4, the edge part 6 of which is bent vertically downwards and forms a rearward boundary of the chip space.
  • an extension adjacent to the field 4 and forming the fields 8 and 9 is cut out from the blank.
  • the field 8 is bent twice at right angles to the field 4, has a circular bore 81 for the passage of the punch 10 and forms the upper limit of the insertion slot for the documents to be punched.
  • the field 9 is bent up vertically from the front edge of the field 8 and is connected to the field 8 only via a narrow web.
  • the edge part 91 of the field 9 as can be seen from FIG.
  • the helical spring 11 is supported here on the field 8 forming the upper boundary of the insertion slot and lies with its upper end against the annular shoulder of the cylindrical head 12 of the punch 10 having a larger cross section. This does not affect the head 12 of the punch 10 in FIG. 2 drawn pressure element connected to the pressure plate of the letter punch.
  • the other edge part 92 of the field 9 is bent forward at right angles and riveted or welded to the front angled end 71 of the side cheek 7, so that the punch guide formed by the fields 8 and 9 is rigidly connected to the field 4 forming the matrix web and the side cheek 7 is.

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)
  • Paper (AREA)
  • Pens And Brushes (AREA)
  • Drilling Tools (AREA)
  • Credit Cards Or The Like (AREA)
  • Drilling And Boring (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP87116371A 1986-11-27 1987-11-06 Partie inférieure pour perforateur Expired - Lifetime EP0268903B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87116371T ATE51570T1 (de) 1986-11-27 1987-11-06 Brieflocherunterteil.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3640627A DE3640627C1 (de) 1986-11-27 1986-11-27 Brieflocherunterteil
DE3640627 1986-11-27

Publications (2)

Publication Number Publication Date
EP0268903A1 true EP0268903A1 (fr) 1988-06-01
EP0268903B1 EP0268903B1 (fr) 1990-04-04

Family

ID=6314962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116371A Expired - Lifetime EP0268903B1 (fr) 1986-11-27 1987-11-06 Partie inférieure pour perforateur

Country Status (5)

Country Link
EP (1) EP0268903B1 (fr)
JP (1) JPS63145000A (fr)
AT (1) ATE51570T1 (fr)
DE (2) DE3640627C1 (fr)
ES (1) ES2014289B3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3720309A1 (de) * 1987-06-19 1989-01-05 Leitz Fa Louis Brieflocher
DE3730069A1 (de) * 1987-09-08 1989-03-23 Leitz Fa Louis Einloch-brieflocher

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT353223B (de) * 1976-09-14 1979-11-12 Leitz Fa Louis Brieflocher
EP0026888A2 (fr) * 1979-10-05 1981-04-15 Firma Louis Leitz Châssis pour poinçonneuses à papier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730074U (fr) * 1980-07-28 1982-02-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT353223B (de) * 1976-09-14 1979-11-12 Leitz Fa Louis Brieflocher
EP0026888A2 (fr) * 1979-10-05 1981-04-15 Firma Louis Leitz Châssis pour poinçonneuses à papier

Also Published As

Publication number Publication date
JPS63145000A (ja) 1988-06-17
DE3640627C1 (de) 1988-03-03
ES2014289B3 (es) 1990-07-01
DE3762102D1 (de) 1990-05-10
EP0268903B1 (fr) 1990-04-04
ATE51570T1 (de) 1990-04-15

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