EP0910511B1 - Brieföffner - Google Patents
Brieföffner Download PDFInfo
- 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
Links
Images
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)
Description
- Fig. 1 einen Querschnitt durch das Messergehäuse und den Briefsupport (mit einer Detailsicht der über die Federn vorgespannten Andruckrollen)
- Fig. 2 eine skizzenhafte Gestaltung des Brieföffners in mehreren Ansichten
Claims (10)
- Abfalllos arbeitender Brieföffner mit einem rund ausgebildeten Messer (3), dadurch gekennzeichnet, dass das Messer (3) in einem von Hand oder durch einem Motor angetriebenen, längs einer Schiene (4) verfahrbaren Messergehäuse angeordnet ist, wobei zwischen dem Messer (3) und der Schiene (4) eine Vorspannkraft vorliegt oder Mittel vorgesehen sind, die diese Vorspannkraft erzeugen.
- Brieföffner nach Patentanspruch 1, dadurch gekennzeichnet, dass das Messer (3) eine zur Schneide konzentrisch angeordnete kreisförmige Schulter mit kleinerem Durchmesser als die Schneide aufweist.
- Brieföffner nach einem der Patentansprüche 1 bis 2, dadurch gekennzeichnet, dass eine bezüglich des Messergehäuses beweglich angeordnete Andruckrolle (5) eine Vorspannkraft zwischen dem Messer (3) und der Schiene (4) ausübt.
- Brieföffner nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, dass die Vorspannkraft über eine als Zugfeder (7) wirkende Schraubenfeder erzeugt wird.
- Brieföffner nach einem der Patentansprüche 1 bis 4, dadurch gekennzeichnet, dass zwei Andruckrollen (5), deren Achsen in einem Schlitz geführt werden und über zwei Zugfedern (7) gegeneinandergezogen werden, auf die Schulter des Messers (3) einwirken.
- Brieföffner nach einem der Patentansprüche 1 bis 5, dadurch gekennzeichnet, dass die Andruckrolle (5) auf einer oberen Schiene (40) abrollt und die Messerschulter auf einer unteren Schiene (4) abrollt.
- Brieföffner nach einem der Patentansprüche 1 bis 6, dadurch gekennzeichnet, dass die Höhe der Schiene (4), gerechnet von der Briefauflagefläche parallel zur Messerebene nach oben, 1 bis 10 Hunderstel Millimeter, zweckmassig 1/100 bis 4/100 mm grösser ist als die halbe Durchmesserdifferenz zwischen Schneidendurchmesser und der Auflagefläche der Schiene (4) im Bereich der Schulter.
- Brieföffner nach einem der Patentansprüche 1 bis 7, dadurch gekennzeichnet, dass die Briefauflagefläche bezogen auf die Horizontale einen Winkel bildet und die Messerebene etwa rechtwinklig zur Briefauflagefläche (1) steht.
- Brieföffner nach einem der Patentansprüche 1 bis 8, dadurch gekennzeichnet, dass in der Schulter (4A) eine Nut zum Eingriff der Schiene (4) eingebracht ist.
- Brieföffner nach einem der Patentansprüche 1 bis 9, dadurch gekennzeichnet, dass eine weitere konzentrisch zum Messer (3) angeordnete Schulter vorliegt, die dazu bestimmt ist, auf der Briefoberfläche abzurollen.
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 (de) | 1997-03-11 | 1998-02-24 | Brieföffner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0910511A1 EP0910511A1 (de) | 1999-04-28 |
EP0910511B1 true EP0910511B1 (de) | 2001-12-19 |
Family
ID=4190026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98902923A Expired - Lifetime EP0910511B1 (de) | 1997-03-11 | 1998-02-24 | Brieföffner |
Country Status (5)
Country | Link |
---|---|
US (1) | US6125732A (de) |
EP (1) | EP0910511B1 (de) |
CA (1) | CA2254849C (de) |
DE (1) | DE59802514D1 (de) |
WO (1) | WO1998040227A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6425700B1 (en) * | 2000-06-30 | 2002-07-30 | Silverbrook Research Pty Ltd | Separating device for a print engine |
US20050028385A1 (en) * | 2003-08-07 | 2005-02-10 | Jun Zheng | Letter opener |
US20080130209A1 (en) * | 2006-12-01 | 2008-06-05 | Dilip Bhavnani | Calculator letter opener |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0703097A1 (de) * | 1994-09-23 | 1996-03-27 | Hadewe B.V. | Verfahren und Vorrichtung zum Öffnen eines Briefumschlages |
Family Cites Families (19)
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 |
-
1998
- 1998-02-24 EP EP98902923A patent/EP0910511B1/de not_active Expired - Lifetime
- 1998-02-24 CA CA002254849A patent/CA2254849C/en not_active Expired - Fee Related
- 1998-02-24 DE DE59802514T patent/DE59802514D1/de not_active Expired - Lifetime
- 1998-02-24 US US09/180,644 patent/US6125732A/en not_active Expired - Lifetime
- 1998-02-24 WO PCT/CH1998/000072 patent/WO1998040227A1/de active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0703097A1 (de) * | 1994-09-23 | 1996-03-27 | Hadewe B.V. | Verfahren und Vorrichtung zum Öffnen eines Briefumschlages |
Also Published As
Publication number | Publication date |
---|---|
EP0910511A1 (de) | 1999-04-28 |
US6125732A (en) | 2000-10-03 |
WO1998040227A1 (de) | 1998-09-17 |
DE59802514D1 (de) | 2002-01-31 |
CA2254849C (en) | 2006-10-17 |
CA2254849A1 (en) | 1998-09-17 |
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