EP0279193A3 - Paper punch - Google Patents

Paper punch Download PDF

Info

Publication number
EP0279193A3
EP0279193A3 EP19880100745 EP88100745A EP0279193A3 EP 0279193 A3 EP0279193 A3 EP 0279193A3 EP 19880100745 EP19880100745 EP 19880100745 EP 88100745 A EP88100745 A EP 88100745A EP 0279193 A3 EP0279193 A3 EP 0279193A3
Authority
EP
European Patent Office
Prior art keywords
pressure
pressure plate
paper punch
side cheeks
hole
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
EP19880100745
Other languages
German (de)
Other versions
EP0279193B1 (en
EP0279193A2 (en
Inventor
Gerhard Sixt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88100745T priority Critical patent/ATE75990T1/en
Publication of EP0279193A2 publication Critical patent/EP0279193A2/en
Publication of EP0279193A3 publication Critical patent/EP0279193A3/en
Application granted granted Critical
Publication of EP0279193B1 publication Critical patent/EP0279193B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

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)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Forging (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

The paper punch consists essentially of a lower part (1) equipped with side cheeks (2) and of a pressure plate (3) articulated on the side cheeks (2). Pressure is transmitted between the pressure plate (3) and hole punches (4) by means of a pressure bar (5) which is parallel to the pivot axis (32) of the pressure plate (3), bears with its upper edge against the pressure plate (3) and on its lower edge (53) has two downwardly pointing pressure studs (52) engaging into cup-like recesses (71) of the hole-punch heads (7) and being supported pivotably with their tip against the bottoms of these. <IMAGE>
EP88100745A 1987-02-14 1988-01-20 Paper punch Expired - Lifetime EP0279193B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88100745T ATE75990T1 (en) 1987-02-14 1988-01-20 MAILHOLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873704670 DE3704670A1 (en) 1987-02-14 1987-02-14 LETTER HOLE
DE3704670 1987-02-14

Publications (3)

Publication Number Publication Date
EP0279193A2 EP0279193A2 (en) 1988-08-24
EP0279193A3 true EP0279193A3 (en) 1990-12-05
EP0279193B1 EP0279193B1 (en) 1992-05-13

Family

ID=6320985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100745A Expired - Lifetime EP0279193B1 (en) 1987-02-14 1988-01-20 Paper punch

Country Status (5)

Country Link
EP (1) EP0279193B1 (en)
JP (1) JPH0615160B2 (en)
AT (1) ATE75990T1 (en)
DE (2) DE3704670A1 (en)
ES (1) ES2031536T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59004829D1 (en) * 1989-08-14 1994-04-07 Leitz Louis Kg LETTER HOLES.
GB2384738B (en) * 2002-01-31 2005-02-23 Acco Uk Ltd Improvements in or relating to hole punches
CN115023591A (en) * 2020-02-20 2022-09-06 日立安斯泰莫株式会社 Thermal flowmeter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275012A (en) * 1940-01-30 1942-03-03 Bates Mfg Co Perforator
US2433110A (en) * 1945-12-22 1947-12-23 Gardner Hyman Single hand operated card punch
GB1444366A (en) * 1973-01-24 1976-07-28 Hyde A Heginbotham W J Cutting tools for paper-punch devices and paper-punch devices incorporating such cutting tools
US4294152A (en) * 1979-05-16 1981-10-13 Land Donald E Film punch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR517027A (en) * 1920-06-11 1921-04-29 Lennox Liddell Improvements to devices used to perforate paper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275012A (en) * 1940-01-30 1942-03-03 Bates Mfg Co Perforator
US2433110A (en) * 1945-12-22 1947-12-23 Gardner Hyman Single hand operated card punch
GB1444366A (en) * 1973-01-24 1976-07-28 Hyde A Heginbotham W J Cutting tools for paper-punch devices and paper-punch devices incorporating such cutting tools
US4294152A (en) * 1979-05-16 1981-10-13 Land Donald E Film punch

Also Published As

Publication number Publication date
EP0279193B1 (en) 1992-05-13
ES2031536T3 (en) 1992-12-16
JPH0615160B2 (en) 1994-03-02
ATE75990T1 (en) 1992-05-15
DE3870905D1 (en) 1992-06-17
JPS63251198A (en) 1988-10-18
DE3704670A1 (en) 1988-08-25
EP0279193A2 (en) 1988-08-24

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