EP0910511B1 - Dispositif pour ouvrir des lettres - Google Patents

Dispositif pour ouvrir des lettres Download PDF

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Publication number
EP0910511B1
EP0910511B1 EP98902923A EP98902923A EP0910511B1 EP 0910511 B1 EP0910511 B1 EP 0910511B1 EP 98902923 A EP98902923 A EP 98902923A EP 98902923 A EP98902923 A EP 98902923A EP 0910511 B1 EP0910511 B1 EP 0910511B1
Authority
EP
European Patent Office
Prior art keywords
knife
letter
rail
opener according
letter opener
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
EP98902923A
Other languages
German (de)
English (en)
Other versions
EP0910511A1 (fr
Inventor
Werner Haug
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.)
Frama AG
Original Assignee
Frama AG
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 Frama AG filed Critical Frama AG
Publication of EP0910511A1 publication Critical patent/EP0910511A1/fr
Application granted granted Critical
Publication of EP0910511B1 publication Critical patent/EP0910511B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M7/00—Devices for opening envelopes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/912—Envelope openers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7755—Carrier for rotatable tool movable during cutting
    • Y10T83/7763—Tool carrier reciprocable rectilinearly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8776—Constantly urged tool or tool support [e.g., spring biased]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8822—Edge-to-edge of sheet or web [e.g., traveling cutter]

Definitions

  • the present invention relates to a letter opener according to the preamble of claim 1.
  • a wide variety of letter openers are known from the literature, who open an envelope to create a waste strip.
  • Such openers generate waste that has to be disposed of is.
  • the contents of the letter can also be cut be cut up.
  • the opening process is also said to be without that in many known letter openers mostly tedious alignment of the letter to the cutting edge or the tricky insertion of the letter edge into an insertion slot can be started.
  • An object of the invention is also operate the letter opener by hand only can.
  • this preload can be constructively simple and safe working way e.g. by means of spring-loaded Pressure rollers, which act on a shoulder on the circular knife, will be realized. That e.g. with a handle Knife housing can be used without any significant effort move along the rails, the letter to be opened just on the lower rail, which e.g. at the same time as a stop serves, can be freely created from above.
  • the knife carriage can e.g.
  • the letter opener essentially consists of a stationary one Part with the letter support surface 1 and a movable Knife housing (handle) 2.
  • An inclined surface 1 of the opener serves as a support for a letter. This is opened in the simplest way by hand the face 1 placed and slightly down in the direction of arrow A. pressed until its longitudinal edge abuts the stop 4. This stop 4 simultaneously forms a guide rail, on which the round knife 3 with its molded Shoulder 4A can roll along the letter. The guide rail 4 protrudes into the area of the shoulder of the knife molded groove and thus ensures a lateral guidance of the Knife.
  • a second, also connected to the stationary part Guide rail 40 is located opposite surface 1 raised area.
  • the roll on this second rail 40 two pressure rollers 5 from. These two roles 5 are about theirs extended axes of rotation connected with springs 7 on train.
  • the Axes of the rollers 5 are also one in the slots Knife axis receiving component 8 out.
  • the rollers 5 through the upper guide rail 40 on the periphery of the shoulder 4A against the spring action pushed apart, i.e. the two roles are under Preload by the spring 7. In this way Manufacturing tolerances especially in the distance between the two rails 4 and 40 compensated.
  • the lower rail securely into the groove on the shoulder of the Knife pushed in.
  • the cutting edge of the knife is 1-10 Is a hundredth of a millimeter from the contact surface 1, only cuts the knife 3 drawn over the envelope the top paper layer of the envelope. Since the Rail 4 rests on the groove base, the knife can never touch the letter pad.
  • the Knife edge in front of any hard objects in the envelope can have a second one on the side of the knife facing the envelope Shoulder with a slightly smaller diameter than the cutting edge be molded on. Protruding letter content elements (e.g. Paper clips) so raise the other shoulder and with it the Knife edge. Because the knife is in its pre-tensioned Spring back towards the upper rail, In this way, the cutting edge becomes a non-negligible one Part spared.
  • the knife housing move along the rails using handle 2.
  • the handle 2 is hook-shaped Bracket 9 connected to the component 8.
  • FIG. 2 shows, only two elements are visible from the outside: the letter edition and the movable knife housing.

Landscapes

  • Knives (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Claims (10)

  1. Ouvre-lettres travaillant sans déchets équipé d'un couteau (3) de conception ronde, caractérisé en ce que le couteau (3) est disposé dans un boítier de couteau déplaçable le long d'un rail (4) et entraíné à la main ou par un moteur, une force de prétension étant présente entre le couteau (3) et le rail (4) ou des moyens étant prévus qui génèrent cette force de prétension.
  2. Ouvre-lettres selon la revendication 1,
    caractérisé en ce que le couteau (3) présente un épaulement circulaire et disposé de façon concentrique par rapport à la lame, avec un diamètre inférieur à la lame.
  3. Ouvre-lettres selon l'une quelconque des revendications 1 à 2, caractérisé en ce qu'un galet presseur (5) disposé de façon mobile par rapport au boítier du couteau exerce une force de prétension entre le couteau (3) et le rail (4).
  4. Ouvre-lettres selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la force de prétension est générée au moyen d'un ressort cylindrique agissant comme un ressort de traction (7).
  5. Ouvre-lettres selon l'une quelconque des revendications 1 à 4, caractérisé en ce que deux galets presseurs (5), dont les axes sont guidés dans une fente et sont tirés dans le sens contraire au moyen de deux ressorts de traction (7), agissent sur l'épaulement du couteau (3).
  6. Ouvre-lettres selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le galet presseur (5) roule sur un rail (40) supérieur et l'épaulement du couteau roule sur un rail (4) inférieur.
  7. Ouvre-lettres selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la hauteur du rail (4), calculée à partir de la surface d'appui de l'enveloppe et parallèlement au plan du couteau vers le haut, est supérieure de 1 à 10 centièmes de millimètre, de préférence de 1 à 4 centièmes de mm à la demi-différence de diamètre entre le diamètre de la lame et la surface d'appui du rail (4) dans la zone de l'épaulement.
  8. Ouvre-lettres selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la surface d'appui forme un angle par rapport à l'horizontale et le plan du couteau est à peu près perpendiculaire à la surface d'appui de la lettre (1)
  9. Ouvre-lettres selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'une gorge est introduite dans l'épaulement (4A) pour l'engrènement du rail (4).
  10. Ouvre-lettres selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'il y a un autre épaulement disposé de façon concentrique par rapport au couteau (3) qui est destiné à rouler sur la surface de la lettre.
EP98902923A 1997-03-11 1998-02-24 Dispositif pour ouvrir des lettres Expired - Lifetime EP0910511B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH56897 1997-03-11
CH568/97 1997-03-11
CH56897 1997-03-11
PCT/CH1998/000072 WO1998040227A1 (fr) 1997-03-11 1998-02-24 Dispositif pour ouvrir des lettres

Publications (2)

Publication Number Publication Date
EP0910511A1 EP0910511A1 (fr) 1999-04-28
EP0910511B1 true EP0910511B1 (fr) 2001-12-19

Family

ID=4190026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98902923A Expired - Lifetime EP0910511B1 (fr) 1997-03-11 1998-02-24 Dispositif pour ouvrir des lettres

Country Status (5)

Country Link
US (1) US6125732A (fr)
EP (1) EP0910511B1 (fr)
CA (1) CA2254849C (fr)
DE (1) DE59802514D1 (fr)
WO (1) WO1998040227A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5373700A (en) * 2000-06-30 2002-01-14 Silverbrook Res Pty Ltd A separating device for a print engine
US20050028385A1 (en) * 2003-08-07 2005-02-10 Jun Zheng Letter opener
USD561820S1 (en) 2006-11-30 2008-02-12 Sun Coast Merchandise Corporation Desktop calculator
US20080130209A1 (en) * 2006-12-01 2008-06-05 Dilip Bhavnani Calculator letter opener

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703097A1 (fr) * 1994-09-23 1996-03-27 Hadewe B.V. Méthode et appareil à ouvrir des enveloppes

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB500633A (en) * 1937-08-13 1939-02-13 Ernest Sparks Improvements in devices for opening envelopes
US2672933A (en) * 1951-02-23 1954-03-23 William J Costa Sliding envelope opener
US3301117A (en) * 1965-04-30 1967-01-31 Daniel E Spaulding Paper cutter
US3821915A (en) * 1972-07-11 1974-07-02 Paper Pak Prod Inc Fiber cutting apparatus with self-contained blade sharpener
GB1479645A (en) * 1974-11-26 1977-07-13 Paterson Prod Ltd Paper trimmers
US4257294A (en) * 1978-12-28 1981-03-24 Marcal Paper Mills, Inc. Apparatus for severing sheet material
US4448101A (en) * 1980-03-03 1984-05-15 Bulman Products, Inc. Shear cutter
DE3109501C2 (de) * 1981-03-12 1985-05-23 Delta-Real Ets, Balzers Vorrichtung zum Öffnen von Briefumschlägen
US4419915A (en) * 1982-01-19 1983-12-13 The Staplex Company, Inc. Envelope opener device
GB8432448D0 (en) * 1984-12-21 1985-02-06 Rotarim Ltd Cutting sheet material
GB2215654B (en) * 1988-03-17 1992-10-07 Kenncut Ltd Machines for cutting card,board and like materials
US4960022A (en) * 1989-03-07 1990-10-02 Chuang Kuo C Plastic film cutter
JP2656878B2 (ja) * 1991-11-29 1997-09-24 株式会社大西ライト工業所 シート材の切断装置
US5524515A (en) * 1993-05-28 1996-06-11 Fiskars Oy Ab Support panel for a rotary paper cutter
US5322001A (en) * 1993-05-28 1994-06-21 Fiskars Oy Ab Paper cutter with circular blades
US5440961A (en) * 1994-01-24 1995-08-15 Reynolds Metals Company Film cutting apparatus and method
US5819618A (en) * 1994-05-10 1998-10-13 Martin Yale Industries, Inc. Rotary paper trimmer
JPH09193083A (ja) * 1996-01-24 1997-07-29 Onishi Raito Kogyosho:Kk シート材の切断装置
US5996459A (en) * 1997-08-29 1999-12-07 Fiskars Inc. Paper trimmer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703097A1 (fr) * 1994-09-23 1996-03-27 Hadewe B.V. Méthode et appareil à ouvrir des enveloppes

Also Published As

Publication number Publication date
CA2254849C (fr) 2006-10-17
EP0910511A1 (fr) 1999-04-28
DE59802514D1 (de) 2002-01-31
WO1998040227A1 (fr) 1998-09-17
US6125732A (en) 2000-10-03
CA2254849A1 (fr) 1998-09-17

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