EP0778087B1 - Klein-Aktenvernichter - Google Patents
Klein-Aktenvernichter Download PDFInfo
- Publication number
- EP0778087B1 EP0778087B1 EP96118736A EP96118736A EP0778087B1 EP 0778087 B1 EP0778087 B1 EP 0778087B1 EP 96118736 A EP96118736 A EP 96118736A EP 96118736 A EP96118736 A EP 96118736A EP 0778087 B1 EP0778087 B1 EP 0778087B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- document shredder
- housing
- small document
- shredder according
- stripper
- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
- B02C2018/0023—Switching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
- B02C2018/0046—Shape or construction of frames, housings or casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
- B02C2018/0069—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents with stripping devices
-
- 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
- Y10S241/00—Solid material comminution or disintegration
- Y10S241/30—Rubber elements in mills
Definitions
- the invention relates to a small document shredder according to the preamble of claim 1.
- Such small devices are known for example from DE 40 08 654 A 1 and have two-part injection molded Plastic housing in which when spraying also the mostly web-shaped wiper elements including the cutting roller bearings are integrated.
- the object of the present invention is therefore also an extremely easy-to-assemble small document shredder with extremely low structure-borne noise emissions and smooth running.
- the document shredder shown in the form of a small device consists in its basic structure of a bowl-like, the cutting rollers 4, 4a and 5, 5a together their front bearing plates 3 and 8, the associated Wipers 6 and 7 and the clippings outlet gap "SA" containing lower housing part 2 and one can be placed on top of it with the cut material feed gap "MZ" provided upper housing part 1.
- the wiper strips 6, 7 from one Plain bearing plastic and tight on the cutting roller core 4a and 5a lying on the cutting rollers 4, 5 support and the free ends 4b and 5b the contact area of the wipers 6 and 7 on the roller core 4a and 5a are nose-shaped. This gives the scraper combs their necessary Stability.
- the surfaces 6a and 7a of the scraper strips 6 and 7 over their entire Length spaced from each other Have crossbars 11 and the upper housing part 1 has corresponding cutouts 12, those without touching each other (acoustic decoupling ), interlock.
- the undersides 6b and 7b of the wiper strips 6 and 7 each have a longitudinal web 6c and 7c which engages in a corresponding recess 13a in the bottom housing longitudinal member 13, the latter in the open bottom region 2c of the Lower housing part 2 are located and have guide surfaces 13b which run obliquely downward from the cutting rollers 4, 5.
- this configuration prevents a jam of dust and cut material particles in the housing area and, since the small devices generally do not have a "bag full” shutdown, prevents the cut material from penetrating from below into the cutting unit when the cut material container "SB" is full; This effect is also supported by a baffle-like gradation 13c of the underside of the longitudinal beams 13 and the projecting corner designs or edges "K" of the wiper strips 6 and 7 in the area of the clippings exit gap "SA". These longitudinal edges "K” of the stripper strips 6 and 7 are also based on the cutting roller center axis "M" deeper “a 1" as the dimension "a” up to the Abstreiferober Design 6a and 7a.
- the functional completion of the entire device also includes the on / off switch 14 together with its switching lug 14a protruding into the material feed gap "MZ" for automatic cutting unit start-up during material feed.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Handling Of Sheets (AREA)
Description
- Fig. 1
- in weitestgehend schematischer Darstellung die Ansicht auf das Unterteil eines geöffneten Aktenvernichtergehäuses und
- Fig. 2
- in gegenüber Fig. 1 vergrößertem Maßstab eine Querschnittsdarstellung gemäß der dortigen Linie A-A.
- 1
- Gehäuseoberteil
- 2
- Gehäuseunterteil
- 2a
- vertikale Trennwand
- 2b
- Lager- und Führungssteg ( für Pos. 9 )
- 2c
- offener Bodenbereich
- 3
- getriebeseitige Lagerplatte
- 3a
- Boden des Getriebegehäuses
- 3b
- Seitenteil des Getriebegehäuses
- 3c
- Deckel
- 3d
- Schnappverschluß
- 4
- Schneidwalze
- 4a
- Walzenkern
- 4b
- spitze Nase
- 5
- Schneidwalze
- 5a
- Walzenkern
- 5b
- spitze Nase
- 6
- Abstreiferleiste
- 6a
- Oberfläche
- 6b
- Unterseite
- 6c
- Längssteg
- 7
- Abstreiferleiste
- 7a
- Oberfläche
- 7b
- Unterseite
- 7c
- Längssteg
- 8
- endseitige Lagerplatte
- 9
- elastisches Dämpfungselement
- 10
- Antriebsmotor
- 11
- Quersteg
- 12
- Aussparung
- 13
- Gehäuselängsträger
- 13a
- Aussparung
- 13b
- Leitfläche
- 13c
- Abstufung
- 14
- Ein-/Ausschalter
- 14a
- Schaltfahne
- 15
- "Snap in " - Element
- a
- Abstand
- a1
- Abstand
- K
- vorspringende Kante
- M
- Mittelachse
- MZ
- Material-Zuführspalt
- SA
- Schnittgut-Austritt
- SB
- Schnittgut-Behälter
Claims (10)
- Klein-Aktenvernichter, bestehend aus einem schalenartigen, die Schneidwalzen mitsamt ihren stirnseitigen Lagerplatten und Abstreiferelementen enthaltenden Gehäuseunterteil und darauf aufsetzbarem, mit dem Materialzuführspalt versehenen Gehäuseoberteil,
dadurch gekennzeichnet,
daß die antriebsseitige Lagerplatte ( 3 ) für die Schneidwalzen ( 4, 5 ) zugleich den einstückigen Boden ( 3a ) eines ebenfalls schalenartigen, durch einen Deckel ( 3c ) verschließbaren. Getriebegehäuses ( 3, 3a, 3b ) bildet und das gesamte Schneidwerk, ein Getriebegehäuse (3, 3a, 3b), Schneidwalzen ( 4, 5 ) und Abstreifer (6, 7) beinhaltend, im Bereich seiner stirnseitigen Lagerplatten ( 3 und 8 ) über schwingungsdämpfende Elemente ( 9 ) im Gehäuseunterteil ( 2 ) gelagert ist. - Klein-Aktenvernichter nach Anspruch 1,
dadurch gekennzeichnet,
daß die Schneidwalzen ( 4, 5 ) und deren kammartige Abstreiferleisten ( 6, 7 ) kraft- und/oder formschlüssig durch Steckung in entsprechende Aussparungen mit den beiden stirnseitigen Lagerplatten ( 3 und 8 ) verbunden sind. - Klein-Aktenvernichter nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
daß die Abstreiferleisten ( 6, 7 ) aus einem Gleitlagerkunststoff bestehen und eng auf dem Schneidwalzenkern ( 4a und 5a ) aufliegend sich an den Schneidwalzen ( 4, 5 ) abstützen. - Klein-Aktenvernichter nach Anspruch 3,
dadurch gekennzeichnet,
daß die freien Enden ( 4b und 5b ) des Auflagebereichs der Abstreifer ( 6 und 7 ) auf dem Walzenkern ( 4a und 5a) nasenförmig spitz ausgebildet sind. - Klein-Aktenvernichter nach den Ansprüchen 1 bis 4,
dadurch gekennzeichnet,
daß die Oberflächen ( 6a und 7a ) der Abstreiferleisten ( 6 und 7 ) über ihre gesamte Länge mit gegenseitigem Abstand zueinander angeordnete Querstege ( 11 ) aufweisen und das Gehäuseoberteil ( 1 ) dazu korrespondierende Aussparungen ( 12) besitzt, die ohne einander zu berühren ( akustische Abkoppelung ), ineinander greifen. - Klein-Aktenvernichter nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Unterseiten ( 6b und 7b ) der Abstreiferleisten ( 6 und 7 ) je einen Längssteg ( 6c und 7c ) aufweisen der in eine jeweils korrespondierende Aussparung ( 13a ) der bodenseitigen Gehäuselängsträger ( 13 ) eingreift. - Klein-Aktenvernichter nach Anspruch 6,
dadurch gekennzeichnet,
daß die Gehäuselängsträger ( 13 ) im offenen Bodenbereich ( 2c ) des Gehäuseunterteils ( 2 ) liegen und von den Schneidwalzen ( 4, 5 ) aus schräg nach unten verlaufende Leitflächen ( 13b ) aufweisen. - Klein-Aktenvernichter nach Anspruch 6 und 7,
gekennzeichnet durch
eine schikaneartige Abstufung ( 13c ) der Unterseite der Längsträger ( 13 ) sowie eine zusätzliche vorspringende Eckausbildung der Kanten ( K ) der Abstreiferleistenunterseiten ( 6b und 7b ) im Bereich des Schnittgutaustrittsspaltes ( SA ). - Klein-Aktenvernichter nach Anspruch 8,
dadurch gekennzeichnet,
daß die Längskanten ( K ) bezogen auf die Schneidwalzenmittelachsen ( M ) tiefer ( a1) liegen als das Maß ( a ) von den Mitten ( M ) bis zur Abstreiferoberfläche ( 6a und 7a ). - Klein-Aktenvernichter nach einem oder mehreren der vorhergehenden Ansprüche,
gekennzeichnet durch
Zuordnung eines Ein-/Ausschalters ( 14 ) zum Gehäuseoberteil ( 1 ) mit in den Schnittgutzuführspalt ( SZ ) hineinragender Schaltfahne ( 14a ) sowie sog. " Snapin " - Elemente ( 15 ) zur Verbindung von Gehäuseober und -unterteil ( 1 und 2 ).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19545087A DE19545087C2 (de) | 1995-12-04 | 1995-12-04 | Klein-Aktenvernichter |
DE19545087 | 1995-12-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0778087A1 EP0778087A1 (de) | 1997-06-11 |
EP0778087B1 true EP0778087B1 (de) | 2001-06-27 |
Family
ID=7779080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96118736A Expired - Lifetime EP0778087B1 (de) | 1995-12-04 | 1996-11-22 | Klein-Aktenvernichter |
Country Status (4)
Country | Link |
---|---|
US (1) | US5893524A (de) |
EP (1) | EP0778087B1 (de) |
DE (2) | DE19545087C2 (de) |
ES (1) | ES2161320T3 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5954280A (en) * | 1998-05-12 | 1999-09-21 | Fellowes Manufacturing Company | Top blocker for a paper shredder |
ES2198842T3 (es) | 1998-12-18 | 2004-02-01 | Hermann Schwelling | Dispositivo cortador para destructores de documentos. |
CN200998684Y (zh) * | 2006-12-11 | 2008-01-02 | 世庆实业股份有限公司 | 碎纸机的减震消音装置 |
US20090134253A1 (en) * | 2007-11-28 | 2009-05-28 | Simon Huang | Shredder safety throat |
DE102012100681B4 (de) | 2012-01-27 | 2022-09-01 | Hermann Schwelling | Aktenvernichter mit Turbofunktion |
WO2014113589A1 (en) * | 2013-01-17 | 2014-07-24 | Merit Medical Systems, Inc. | Apparatuses and kits for grinding or cutting surgical foam and methods related thereto |
EP3215273B8 (de) | 2014-11-07 | 2019-07-31 | Dirk Jaresch | Vernichtung von beschriftetem papier |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1099201A (en) * | 1977-11-02 | 1981-04-14 | James E. Williams | Compact speed-reducing universal motor drive assembly arrangement for food processor |
EP0010681B1 (de) * | 1978-10-19 | 1982-04-14 | Günter Trautmann | Vorrichtung zum Zerschneiden oder Zerkleinern von Papier, Karton, Mikrofilmen od. dgl |
JPH01281155A (ja) * | 1988-05-06 | 1989-11-13 | Tanaka Seisakusho:Kk | 裁断装置 |
DE4003222C1 (de) * | 1990-02-03 | 1991-04-18 | Pbs-Servicegesellschaft Mbh & Co. Kg, 3000 Hannover, De | |
US5071080A (en) * | 1990-02-27 | 1991-12-10 | Fellowes Manufacturing Company | Document shredding machine |
DE4042640C2 (de) * | 1990-03-17 | 1998-04-09 | Schleicher & Co Int | Dokumentenvernichter |
DE4103950C1 (de) * | 1991-02-09 | 1992-04-23 | Geha-Werke Gmbh, 3000 Hannover, De | |
DE4106792C1 (de) * | 1991-03-04 | 1992-08-27 | Geha-Werke Gmbh, 3000 Hannover, De | |
DE4123293A1 (de) * | 1991-07-13 | 1993-01-21 | Schwelling Hermann | Abstreiferkamm, insbesondere fuer klein-aktenvernichter |
GB2261177B (en) * | 1991-10-10 | 1995-03-29 | Ofrex Group Holdings Plc | Improvements relating to document shredding machines |
US5354004A (en) * | 1993-06-16 | 1994-10-11 | Disposable Waste Systems, Inc. | Solid waste comminutor |
US5660339A (en) * | 1994-09-29 | 1997-08-26 | Creative Technologies | Rotary grinding mill |
US5511732A (en) * | 1994-12-28 | 1996-04-30 | Fellowes Manufacturing Company | Document shredding machine with continuous stripper |
-
1995
- 1995-12-04 DE DE19545087A patent/DE19545087C2/de not_active Expired - Fee Related
-
1996
- 1996-11-22 EP EP96118736A patent/EP0778087B1/de not_active Expired - Lifetime
- 1996-11-22 DE DE59607165T patent/DE59607165D1/de not_active Expired - Lifetime
- 1996-11-22 ES ES96118736T patent/ES2161320T3/es not_active Expired - Lifetime
- 1996-12-04 US US08/760,650 patent/US5893524A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2161320T3 (es) | 2001-12-01 |
EP0778087A1 (de) | 1997-06-11 |
US5893524A (en) | 1999-04-13 |
DE19545087C2 (de) | 2003-06-12 |
DE19545087A1 (de) | 1997-06-05 |
DE59607165D1 (de) | 2001-08-02 |
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