EP0026888B1 - Brieflocher-Unterteil - Google Patents

Brieflocher-Unterteil Download PDF

Info

Publication number
EP0026888B1
EP0026888B1 EP80105849A EP80105849A EP0026888B1 EP 0026888 B1 EP0026888 B1 EP 0026888B1 EP 80105849 A EP80105849 A EP 80105849A EP 80105849 A EP80105849 A EP 80105849A EP 0026888 B1 EP0026888 B1 EP 0026888B1
Authority
EP
European Patent Office
Prior art keywords
base plate
bent
marginal
forming
pressure
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
Application number
EP80105849A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0026888A3 (en
EP0026888A2 (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 AT80105849T priority Critical patent/ATE5695T1/de
Publication of EP0026888A2 publication Critical patent/EP0026888A2/de
Publication of EP0026888A3 publication Critical patent/EP0026888A3/de
Application granted granted Critical
Publication of EP0026888B1 publication Critical patent/EP0026888B1/de
Expired legal-status Critical Current

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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
    • 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 lower part, which consists of a die plate forming the base plate and two connected to it, the punch guides and the bearing points for the pressure arms designed as a one-armed lever having side blocks.
  • the invention is therefore based on the object of creating a letter punch which is capable of absorbing the stresses occurring even with a smaller sheet thickness without deformation, and yet can be produced more easily and economically than punchers since then.
  • the base plate 1 has an edge strip 11 which is bent downwards and a surface which is separated by a step 14 into a rear region 12 and a front region 13, in which the cutting matrix holes 15 and 15 'are left free.
  • the surface area 12 of the base plate it is riveted to the part 2 forming the side cheeks and the punch guide.
  • Part 2 is erected from the blank shown in FIG. 3. This has a central field 21 corresponding to the width of the base plate 1, two fields 22, 22 'forming the side cheeks and the pressure lever bearings 24, 24' on the side of this central field, adjacent to these two fields 23, 23 'having the punch guide 25, 25' and one insert-side margin 29.
  • two bores 26 are provided for receiving rivets.
  • Two tabs 27, 27 ' which are connected to the side cheek panels 22, 22', are cut out of the middle field and lie in recesses of the edge strip 11 of the base plate 1 in the erected state of part 2 and engage behind the bottom edge of this edge strip in a hook-like manner. On This prevents the part 2 from bending when the bearing points 24, 24 'of the pressure lever are subjected to tensile stress and the rivet connections, which essentially only serve to fix the part 2, are excessively stressed.
  • the anchoring of the side cheeks according to the invention is particularly advantageous in the case of wall punchers in which the side cheeks and the stamp guides connected to them are made from one blank each.

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)
  • Compositions Of Oxide Ceramics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Sheet Holders (AREA)
  • Punching Or Piercing (AREA)
EP80105849A 1979-10-05 1980-09-26 Brieflocher-Unterteil Expired EP0026888B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80105849T ATE5695T1 (de) 1979-10-05 1980-09-26 Brieflocher-unterteil.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2940384 1979-10-05
DE19792940384 DE2940384A1 (de) 1979-10-05 1979-10-05 Brieflocher-unterteil

Publications (3)

Publication Number Publication Date
EP0026888A2 EP0026888A2 (de) 1981-04-15
EP0026888A3 EP0026888A3 (en) 1981-08-05
EP0026888B1 true EP0026888B1 (de) 1983-12-28

Family

ID=6082771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80105849A Expired EP0026888B1 (de) 1979-10-05 1980-09-26 Brieflocher-Unterteil

Country Status (7)

Country Link
EP (1) EP0026888B1 (https=)
JP (1) JPS5815120Y2 (https=)
KR (1) KR860001024Y1 (https=)
AT (1) ATE5695T1 (https=)
DE (2) DE2940384A1 (https=)
ES (1) ES253283Y (https=)
HK (1) HK77185A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326479C2 (de) * 1983-07-22 1985-06-05 Brause GmbH & Co, 5860 Iserlohn Brieflocher
DE3640627C1 (de) * 1986-11-27 1988-03-03 Leitz Fa Louis Brieflocherunterteil
DE19912043A1 (de) * 1999-03-17 2000-09-21 Esselte Leitz Gmbh & Co Kg Papierlocher
CN102574290B (zh) * 2010-06-30 2015-01-14 日本模具钢有限公司 冲裁刀以及形成箱体用的冲裁坯料
CN113547018B (zh) * 2021-09-01 2025-02-11 桂林福达阿尔芬大型曲轴有限公司 用于检测曲臂差的钻孔装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641254C3 (de) * 1976-09-14 1980-09-25 Fa. Louis Leitz, 7000 Stuttgart Brieflocher-Unterteil

Also Published As

Publication number Publication date
ES253283U (es) 1981-02-16
JPS5815120Y2 (ja) 1983-03-26
EP0026888A3 (en) 1981-08-05
JPS5657800U (https=) 1981-05-18
EP0026888A2 (de) 1981-04-15
KR830000667U (ko) 1983-08-03
ATE5695T1 (de) 1984-01-15
ES253283Y (es) 1981-08-16
HK77185A (en) 1985-10-18
DE3066011D1 (en) 1984-02-02
KR860001024Y1 (ko) 1986-05-31
DE2940384A1 (de) 1981-04-16

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