EP0283676B1 - Brieflocher - Google Patents

Brieflocher Download PDF

Info

Publication number
EP0283676B1
EP0283676B1 EP88101341A EP88101341A EP0283676B1 EP 0283676 B1 EP0283676 B1 EP 0283676B1 EP 88101341 A EP88101341 A EP 88101341A EP 88101341 A EP88101341 A EP 88101341A EP 0283676 B1 EP0283676 B1 EP 0283676B1
Authority
EP
European Patent Office
Prior art keywords
punch
paper
support member
pressure body
head
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
EP88101341A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0283676A3 (en
EP0283676A2 (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 AT88101341T priority Critical patent/ATE64884T1/de
Publication of EP0283676A2 publication Critical patent/EP0283676A2/de
Publication of EP0283676A3 publication Critical patent/EP0283676A3/de
Application granted granted Critical
Publication of EP0283676B1 publication Critical patent/EP0283676B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36—Punching or perforating pliers

Definitions

  • pressure bodies are arranged on the underside of the pressure lever, which act on the convexly curved end faces of the punch.
  • the pressure body and the punch punch touch each other in a punctiform manner, so that relatively high surface pressures occur.
  • a tilting moment is exerted on the punch when the punch is actuated, which causes an undesirable sliding friction of the punch in its guides.
  • the pressure body has a throat on its end face, into which the bridge member engages.
  • a further improvement in this respect is achieved in that the punch has a widened head relative to its shaft, and that the retaining member pushed onto the punch shaft with a bore can be pressed against the back of the punch head under the action of the helical spring.
  • the letter punch essentially consists of a lower part 1 made of sheet steel or cast aluminum, provided with matrices for the punch 5, not shown, on which a plate 2 made of cast aluminum is riveted or molded onto the guides for the punch 5.
  • a pressure lever 3 is mounted on the lateral bearing blocks 21 of the cast plate 2 by means of a continuous bolt 4.
  • a pressure element 31 is formed on the underside of the pressure lever 3 above each punch 5.
  • the downward-facing end face of the pressure body 31 has a groove 32, in which a bridge member 8, which has the shape of an upright, engages with its one convexly curved narrow side. With its opposite, also convexly curved narrow side, the bridge member 8 bears against the widened head 51 of the punch 5.
  • a retaining member 7 designed as a U-shaped bracket is used to hold the bridge member 8.
  • the retaining member 7 engages under the head 51 of the punch 5 with its web provided with a bore for the passage of the punch shaft 52 from the upper end against the web 73 of the holding member 7, while it engages with its lower end in an annular recess 22 surrounding the punch 5 of the steel plate 2.

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)
  • Polishing Bodies And Polishing Tools (AREA)
  • Paper (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
EP88101341A 1987-03-25 1988-01-30 Brieflocher Expired - Lifetime EP0283676B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101341T ATE64884T1 (de) 1987-03-25 1988-01-30 Brieflocher.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873709767 DE3709767A1 (de) 1987-03-25 1987-03-25 Brieflocher
DE3709767 1987-03-25

Publications (3)

Publication Number Publication Date
EP0283676A2 EP0283676A2 (de) 1988-09-28
EP0283676A3 EP0283676A3 (en) 1989-11-23
EP0283676B1 true EP0283676B1 (de) 1991-07-03

Family

ID=6323914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101341A Expired - Lifetime EP0283676B1 (de) 1987-03-25 1988-01-30 Brieflocher

Country Status (5)

Country Link
EP (1) EP0283676B1 (ja)
JP (1) JPS63256398A (ja)
AT (1) ATE64884T1 (ja)
DE (2) DE3709767A1 (ja)
ES (1) ES2023958B3 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942298B2 (en) 2005-09-08 2011-05-17 Acco Brands Usa Llc Paper processing tool with force reducing drive arrangement
US8122805B2 (en) 2007-12-12 2012-02-28 Acco Brands Usa Llc Paper processing tool with three-lever actuation

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449763A (en) * 1991-10-10 1995-09-12 Henkel Corporation Preparation of alkylpolyglycosides
DE19518901A1 (de) * 1995-05-26 1996-11-28 Leitz Louis Kg Vorrichtung zum Entwerten von Chipkarten
GB2379183B (en) * 2000-06-30 2004-10-13 Acco Brands Inc Four-bar upright punch
CN101267918B (zh) 2005-09-08 2012-07-11 阿科布兰兹美国有限责任公司 纸张加工处理工具的传动装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485130A (en) * 1967-05-09 1969-12-23 Arnold Neustadter Paper centering means for paper punch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB154255A (en) * 1920-04-20 1920-12-02 Lennox Liddell Improvements in and connected with paper punches
DE2021936A1 (de) * 1970-05-05 1971-11-18 Leitz Fa Louis Brieflocher

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485130A (en) * 1967-05-09 1969-12-23 Arnold Neustadter Paper centering means for paper punch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942298B2 (en) 2005-09-08 2011-05-17 Acco Brands Usa Llc Paper processing tool with force reducing drive arrangement
US8122805B2 (en) 2007-12-12 2012-02-28 Acco Brands Usa Llc Paper processing tool with three-lever actuation

Also Published As

Publication number Publication date
EP0283676A3 (en) 1989-11-23
EP0283676A2 (de) 1988-09-28
DE3863450D1 (de) 1991-08-08
DE3709767A1 (de) 1988-10-13
JPS63256398A (ja) 1988-10-24
ATE64884T1 (de) 1991-07-15
ES2023958B3 (es) 1992-02-16

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