EP0842703B1 - Document shredder or other shredding devices - Google Patents
Document shredder or other shredding devices Download PDFInfo
- Publication number
- EP0842703B1 EP0842703B1 EP97111094A EP97111094A EP0842703B1 EP 0842703 B1 EP0842703 B1 EP 0842703B1 EP 97111094 A EP97111094 A EP 97111094A EP 97111094 A EP97111094 A EP 97111094A EP 0842703 B1 EP0842703 B1 EP 0842703B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- base
- document shredder
- subframe
- shredder according
- 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
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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
- B02C2018/0046—Shape or construction of frames, housings or casings
Definitions
- the invention relates to a document shredder or the like.
- Shredding equipment where the respective cutting unit with its housing resting on a base and one Cuttings collecting container from the front of the device below the cutting unit housing can be inserted into the base frame as well as positive guidance elements on the container and on Base for positioning the container under the Serve cutting unit.
- a document shredder is known from DE 296 04 761 U1, in which the cutting unit rests with its housing on a base frame, which is designed as a base with two L-shaped struts connected on the front via a base-side central leg, and a clippings collecting container from the The front of the device can be inserted into the chassis under the housing of the cutting unit.
- a base frame which is designed as a base with two L-shaped struts connected on the front via a base-side central leg, and a clippings collecting container from the The front of the device can be inserted into the chassis under the housing of the cutting unit.
- positive guidance elements that can be brought into engagement with one another are arranged.
- two recesses are provided in the bottom of the container in the form of a guide groove, which are arranged corresponding to skid-shaped sections, the guide parts of the base.
- the runners are cranked sections of the stand spaced from the floor and run essentially over the entire depth of the stand. In the front area, the runners are angled towards the floor again and form a support.
- the container is guided and held in the stand in such a way that its upper edge lies precisely against the underside of the housing of the cutting unit, with the exception of an opening in the front, upper section of the container through which, for example, a newspaper or other sheet-like material that cannot be shredded can be inserted the container can be inserted.
- a rib-like cam which is operatively connected to a safety switch arranged on or in the underside of the housing.
- the system representation according to FIG. 1 first shows once purely schematically or in terms of arrangement Document shredder or similar Shredding equipment, where the respective cutting unit together with its housing on a box or frame-like base with a solid base rests and the container from the open front of the device forth under the cutting unit housing in the base frame is inserted.
- the innovation also provides in detail that the guide groove FN, which is open towards the rear side 4b of the container, has a conically tapering insertion zone EZ, in which a parallel-walled centering channel ZK and in the further course to the front of the container 4c a further, conical taper KV connects to the actual fine centering zone FZZ and the channel-like fine centering zone FZZ has at its end an extension H rising from the container bottom 4a, which in the end position of the container (Fig 1) sits like a hood on the associated guide pin FZ of the base 3b.
- the container 4 is removed from the underframe 3 by slightly lifting it in the direction of the arrow P 2 in FIG. 1, likewise on the handle shell 5.
- the channel-like precentering zone ZK which also one opposite the container bottom 4a Slightly rising towards the back of the container 4b Course AV, causes when inserted or Removing the clippings container 4 that this Sliding slightly raised on the guide pin FZ is and thus has only low thrust resistance.
- a so-called switching flag is attached to one of the container sides in the upper front area, which, in cooperation with a limit switch, causes the cutting rollers 1 to stop when the clippings collecting container 4 according to arrow direction P 2 (in FIG. 1 ) is removed from the base frame 3, which is open towards the front 3a.
- the switching flag also acts in the same way if the container 4 is tipped forward from its end position (FIG. 1) in accordance with the direction of the arrow P 1 in order to insert crumpled paper or other non-confidential documents; During this movement process, the guide pins FZ act as pivot points and the rear edge of the container acts as a limit stop for the tilting movement, as a result of which the container 4 automatically falls back into its original position after being released.
Description
Die Erfindung bezieht sich auf einen Aktenvernichter o. ä. Zerkleinerungsgeräte, bei denen das jeweilige Schneidwerk mit seinem Gehäuse auf einem Untergestell ruht und ein Schnittgutauffangbehälter von der Gerätevorderseite her unter das Schneidwerksgehäuse in das Untergestell einschiebbar ist sowie Zwangsführungselemente am Behälter und am Untergestell zur Positionierung des Behälters unter dem Schneidwerk dienen.The invention relates to a document shredder or the like. Shredding equipment, where the respective cutting unit with its housing resting on a base and one Cuttings collecting container from the front of the device below the cutting unit housing can be inserted into the base frame as well as positive guidance elements on the container and on Base for positioning the container under the Serve cutting unit.
Bei derartigen Konstruktionen sind einerseits enge Toleranzen
zwischen Schnittgutsammelbehälter, dem Untergestell und dem
Gehäuse des Schneidwerkes vorgesehen, um das Austreten von
Schneidpartikeln und Schnittstaub in die Raumluft zu minimieren
oder um ein Schaltelement sicher betätigen zu können.
So ist zum Beispiel aus der DE 296 04 761 U1 ein
Schriftgutvernichter bekannt, bei dem das Schneidwerk mit
seinem Gehäuse auf einem Untergestell, welches als Standfuß
mit zwei vorderseitig über einen bodenseitigen Mittelschenkel
verbundene L-förmige Streben gestaltet ist, ruht und ein
Schnittgutauffangbehälter von der Gerätevorderseite her unter
das Gehäuse des Schneidwerks in das Untergestell
einschiebbar ist. Im Bodenbereich des Behälters und am
Untergestell sind miteinander in Eingriff bringbare
Zwangsführungselemente angeordnet. Dabei sind im Boden
des Behälters zwei Ausnehmung jeweils in Form einer
Führungsnut vorgesehen, die korrespondierend zu
kufenförmigen Abschnitten, den Führungsteilen des
Standfußes angeordnet sind.
Die Kufen sind nach oben gekröpfte, vom Boden beabstandete
Abschnitte des Standfuß und verlaufen im Wesentlichen über die
gesamte Tiefe des Standfußes. Im vorderen Bereich sind die
Kufen wieder in Richtung Boden abgewinkelt und bilden ein
Auflager.
Der Behälter ist so im Standfuß geführt und gehalten, dass
dessen oberer Rand an der Unterseite des Gehäuses des
Schneidwerkes genau anliegt, mit Ausnahme einer Öffnung im
vorderen, oberen Abschnitt des Behälters, durch die zum
Beispiel eine Zeitung oder anderes nicht zu zerkleinerndes
blattförmiges Material in den Behälter eingeführt werden kann.
Im oberen, inneren Abschnitt des Behälters ist noch ein
rippenartiger Nocken vorgesehen, der mit einem an bzw. in der
Unterseite des Gehäuses angeordneten Sicherheitsschalter in
Wirkverbindung steht.
Durch diese Bauart wird zwar mit verhältnismäßig geringem
technische Aufwand eine gute Betätigung und Wirksamkeit des
Sicherheitsschalters erzielt, jedoch ist zu dessen ständiger
Verfügbarkeit der Umgebungsbereich des Sicherheitsschalters
nach jeder Entleerung des Behälters gründlich von anhaftenden
Schneidpartikeln oder Schneidstaub zu reinigen, da sonst
Blockaden oder Fehlfunktionen des Sicherheitsschalters
eintreten. Die ständig offene Einwurföffnung steht zudem im
Widerspruch zu der ansonsten genauen Anlage des Gehäuses
auf dem Behälter, weil durch diese unverschlossene
Einwurföffnung Schneidstaub und Schneidpartikel in die
Raumluft entweichen können. Zudem erschweren die engen
Platzverhältnisse ein verkantungsfreies, leichtes Einsetzen des
Behälters in das Untergestell nach dessen Entleerung. Zur
Entnahme ist das Gehäuse mit einer Hand anzuheben und mit
der anderen Hand der Behälter zu entnehmen.In such constructions, on the one hand, close tolerances are provided between the clippings container, the underframe and the housing of the cutting unit in order to minimize the escape of cutting particles and cutting dust into the room air or to be able to actuate a switching element safely.
For example, a document shredder is known from DE 296 04 761 U1, in which the cutting unit rests with its housing on a base frame, which is designed as a base with two L-shaped struts connected on the front via a base-side central leg, and a clippings collecting container from the The front of the device can be inserted into the chassis under the housing of the cutting unit. In the bottom region of the container and on the base frame, positive guidance elements that can be brought into engagement with one another are arranged. In this case, two recesses are provided in the bottom of the container in the form of a guide groove, which are arranged corresponding to skid-shaped sections, the guide parts of the base.
The runners are cranked sections of the stand spaced from the floor and run essentially over the entire depth of the stand. In the front area, the runners are angled towards the floor again and form a support.
The container is guided and held in the stand in such a way that its upper edge lies precisely against the underside of the housing of the cutting unit, with the exception of an opening in the front, upper section of the container through which, for example, a newspaper or other sheet-like material that cannot be shredded can be inserted the container can be inserted.
In the upper, inner section of the container there is also a rib-like cam which is operatively connected to a safety switch arranged on or in the underside of the housing.
Although this type of construction achieves good operation and effectiveness of the safety switch with relatively little technical effort, the surrounding area of the safety switch must be thoroughly cleaned of adhering cutting particles or cutting dust after each emptying of the container, since otherwise blockages or malfunctions of the safety switch must be cleaned enter. The constantly open opening also contradicts the otherwise precise installation of the housing on the container, because cutting dust and cutting particles can escape into the room air through this unlocked opening. In addition, the limited space makes it difficult to tilt the container into the base frame easily after it has been emptied. To remove it, lift the housing with one hand and remove the container with the other hand.
Die Aufgabe der vorliegenden Neuerung besteht deshalb darin, durch geeignete einfache Maßnahmen vornehmlich am Behälterund Untergestellboden die eingangs aufgeführten Unzulänglichkeiten zu beseitigen.The task of this innovation is therefore to through suitable simple measures, primarily on the container and Base shelf the listed at the beginning Eliminate shortcomings.
Gelöst wird diese Aufgabe generell durch die im Patentanspruch 1 angegebenen Mittel und Maßnahmen. Die Unteransprüche enthalten hierzu vorteilhafte bauliche Ausgestaltungen und Weiterbildungen des neuen Raumformgedankens, der zudem anhand von Zeichnungen weitestgehend schematisch dargestellt und anhand dieser Darstellungen im folgenden noch im Detail und der Funktion her näher erläutert ist. This task is generally solved by the im Claim 1 specified means and measures. The Sub-claims contain advantageous structural Refinements and developments of the new The idea of spatial form, which is also based on drawings largely shown schematically and based on this Representations below in detail and function is explained in more detail.
Es zeigen:
- Fig. 1
- die Systemdarstellung eines Aktenvernichters in Seitenansicht,
- Fig. 2
- in gegenüber Fig. 1 vergrößertem Maßstab einen Längsschnitt durch den Bodenbereich von Behälter und Gestell und
- Fig. 3
- eine Draufsicht auf den Schnittgutauffangbehälterboden nach Fig. 2.
- Fig. 1
- the system representation of a shredder in side view,
- Fig. 2
- in an enlarged scale compared to FIG. 1, a longitudinal section through the bottom region of the container and frame and
- Fig. 3
- 3 shows a top view of the clippings collecting container base according to FIG. 2.
Die Systemdarstellung nach Fig. 1 zeigt zunächst einmal rein schematisch bzw. anordnungsmäßig einen Aktenvernichter o.ä. Zerkleinerungsgeräte, bei denen das jeweilige Schneidwerk mitsamt seinem Gehäuse auf einem kasten- oder rahmenartigen Untergestell mit festem Boden ruht und der Behälter von der offenen Gerätevorderseite her unter das Schneidwerksgehäuse in das Untergestell eingeschoben ist.The system representation according to FIG. 1 first shows once purely schematically or in terms of arrangement Document shredder or similar Shredding equipment, where the respective cutting unit together with its housing on a box or frame-like base with a solid base rests and the container from the open front of the device forth under the cutting unit housing in the base frame is inserted.
Gemäß den Detaildarstellungen nach Fig. 2 und 3 liegt
das Besondere der vorliegenden Neuerung generell
darin, daß im Bodenbereich 4a und 3b von Behälter 4
und Untergestell 3 miteinander in Eingriff bringbare
Zwangsführungselemente FN und FZ angeordnet
sind, wobei in spezieller baulicher Ausgestaltung
als Zwangsführungselement mindestens eine in den
Be- hälterboden 4a eingebrachte Führungsnut FN und
ein hierzu korrespondierender Führungszapfen FZ o.
dgl. auf dem Boden 3b des Untergestells 3 dient.
Für die praktische Ausführung sinnvoll ist allerdings
die Anordnung der Zwangsführungselemente FN und FZ
mit gegenseitigem Horizontalabstand auf beiden Seiten
der Behälterböden 3b und 4a.According to the detailed representations according to FIGS. 2 and 3
what is special about this innovation in general
in that in the bottom area 4a and 3b of
Damit das in der Aufgabenstellung eingangs genannte
leichte und verkantungsfreie Einführen des Schnittgutauffangbehälters
in das Untergestell optimal gewährleistet
ist, sieht die Neuerung weiterhin vom Detail
her noch vor, daß die zur Behälterrückseite 4b hin
offene Führungsnut FN eine sich konisch verjüngende
Einführzone EZ aufweist, an die sich ein parallelwandiger
Zentrierkanal ZK und im weiteren Verlauf
zur Behältervorderseite 4c hin eine nochmalige,
konische Verjüngung KV zur eigentlichen Feinzentrierzone
FZZ hin anschließt und die ebenfalls kanalartig
ausgebildete Feinzentrierzone FZZ an ihrem Ende eine
vom Behälterboden 4a aus aufsteigende Erweiterung H
aufweist, die in der Behälterendlage (Fig. 1) haubenartig
auf dem zugeordneten Führungszapfen FZ des
Untergestellbodens 3b aufsitzt. Durch Zug an der
Behältergriffschale 5 nach vorn in Pfeilrichtung P1
kann der Behälter 4 nun in eine leichte KippstellungSo that the easy and tilt-free insertion of the clippings collecting container into the base frame, which is mentioned in the task at the beginning, is optimally provided, the innovation also provides in detail that the guide groove FN, which is open towards the
K in Fig. 1 gebracht werden zum Einwerfen von nichtvertraulichem Schriftgut bzw. sonstigem Knüllpapier etc.K in Fig. 1 are brought in to throw in non-confidential items Documents or other crumpled paper etc.
Die Entnahme des Behälters 4 aus dem Untergestell 3
erfolgt durch leichtes Anheben desselben in Pfeilrichtung
P2 in Fig. 1 ebenfalls an der Griffschale 5.The
Die in ihrem Querschnitt kanalartige Vorzentrierzone ZK,
die zudem noch einen gegenüber dem Behälterboden 4a
zur Behälterrückseite 4b hin leicht ansteigenden
Verlauf AV aufweist, bewirkt beim Einsetzen bzw.
Entnehmen des Schnittgutauffangbehälters 4, daß dieser
auf dem Führungszapfen FZ gleitend etwas angehoben
wird und somit nur geringen Schubwiderstand besitzt.The channel-like precentering zone ZK,
which also one opposite the container bottom 4a
Slightly rising towards the back of the
Letztlich wichtig für die Gesamtfunktion ist noch,
daß an einer der Behälterseiten im oberen vorderen
Bereich eine sog. Schaltfahne angebracht ist, die
im Zusammenwirken mit einem Endschalter eine Antriebsstillsetzung
der Schneidwalzen 1 bewirkt, wenn der
Schnittgutauffangbehälter 4 gemäß Pfeilrichtung P2
(in Fig. 1) aus dem nach vorn 3a hin offenen Untergestell
3 entnommen wird.Ultimately, it is still important for the overall function that a so-called switching flag is attached to one of the container sides in the upper front area, which, in cooperation with a limit switch, causes the cutting rollers 1 to stop when the
In gleicher Weise wirkt die Schaltfahne auch, wenn
zum Einwerfen von Knüllpapier oder anderen nichtvertraulichen
Unterlagen der Behälter 4 gemäß Pfeilrichtung
P1 aus seiner Endposition (Fig. 1) nach
vorn herausgekippt wird; bei diesem Bewegungsvorgang
wirken die Führungszapfen FZ als Drehpunkte und
der hintere Behälterrand als Begrenzungsanschlag
für die Kippbewegung, wodurch der Behälter 4 nach
dem Loslassen von allein wieder in seine ursprüngliche
Position zurückfällt. The switching flag also acts in the same way if the
- 11
- Schneidwerkcutting
- 22
- Gehäusecasing
- 33
- Untergestellundercarriage
- 3a3a
- Vorderseitefront
- 3b3b
- fester Bodensolid ground
- 44
- Schnittgutauffangbehälterclippings
- 4a4a
- Bodenbereichfloor area
- 4b4b
- BehälterrückseiteContainer back
- 4c4c
- BehältervorderseiteContainer front
- 55
- Griffschalegrip
- AVAV
- ansteigender Verlauf des Zentrierkanalsincreasing course of the centering channel
- Ee
- Aufstellfläche des GerätesInstallation area of the device
- EZEZ
- Einführzoneintroduction zone
- FNFN
- Führungsnutguide
- FZFZ
- Führungszapfenspigot
- FZZFZZ
- FeinzentrierzoneFeinzentrierzone
- HH
- haubenartige Erweiterunghood-like extension
- KK
- Kippstellung des Behälters (Pos. 4)Tilting position of the container (item 4)
- KVKV
- konische Verjüngungconical taper
- P1 P 1
- Zugrichtung für KippungDirection of pull for tipping
- P2 P 2
- Zugrichtung für BehälterentnahmePull direction for container removal
- ZKZK
- Zentrierkanal bzw. VorzentrierzoneCentering channel or precentering zone
Claims (7)
- Document shredder or similar comminuting apparatus, in which the respective cutting mechanism (1) together with its housing (2) rests on a subframe (3) and a cut material collecting container (4) is pushable from the apparatus front side under the cutting mechanism housing (2) into the subframe (3), wherein constrained guidance elements which can be brought into interengagement are arranged in the base region of the container (4) and subframe (3) and wherein at least one guide groove formed in the container base (4a) and a guide part, which corresponds therewith, of the subframe (3) serve as constrained guidance elements, characterised in that the subframe (3) is formed to be box-shaped or frame-shaped and is provided with a fixed base (3b), and that a guide pin (FZ) is arranged as guide part of the subframe (3) on the base (3b) thereof and the guide groove (FN) has an enlargement (H) which rises from the container base (4a) and which in the container end position is seated in hood-like manner on the associated guide pin (FZ).
- Document shredder according to claim 1, characterised by arrangement of the constrained guidance elements (FN and FZ) at a mutual horizontal spacing on both sides of the base (3b and 4a).
- Document shredder according to claim 1 or 2, characterised in that the guide groove (FN), which is open towards the container rear side (4b), of the cut material collecting container (4) has a conically narrowing entry zone (EZ) to which is connected a centring channel (ZK) with parallel walls and, in the further course towards the container front side (4c), a still further conical narrowing (KV) to the actual fine centring zone (FZ).
- Document shredder according to claim 3, characterised in that the fine centring zone (FZZ) is similarly formed to be channel-shaped.
- Document shredder according to one of claims 1 to 4, characterised in that the rising enlargement (H) in the guide groove (FN) is provided at the end of the fine centring zone (FZZ).
- Document shredder according to at least one of the preceding claims, characterised in that the pre-centring zone (ZK), which is channel-shaped in the cross-section thereof, has a course (AV) slightly rising relative to the container base (4a).
- Document shredder according to one or more of the preceding claims, characterised in that a so-called switching vane is mounted at the cut material collecting container (4.).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29617501 | 1996-10-09 | ||
| DE29617501U | 1996-10-09 | ||
| DE29622522U DE29622522U1 (en) | 1996-10-09 | 1996-12-28 | Cuttings collector for document shredders or similar Shredders |
| DE29622522U | 1996-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0842703A1 EP0842703A1 (en) | 1998-05-20 |
| EP0842703B1 true EP0842703B1 (en) | 2002-05-15 |
Family
ID=26059503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97111094A Expired - Lifetime EP0842703B1 (en) | 1996-10-09 | 1997-07-03 | Document shredder or other shredding devices |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5897065A (en) |
| EP (1) | EP0842703B1 (en) |
| ES (1) | ES2176563T3 (en) |
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| US6978954B2 (en) | 2001-08-28 | 2005-12-27 | Fellowes, Inc. | Detector for a shredder |
| US7195185B2 (en) * | 2004-11-02 | 2007-03-27 | Fellowes, Inc. | Shredder with separate waste opening |
| US7469849B1 (en) * | 2005-05-04 | 2008-12-30 | Emily Lo | Shredder bin |
| TWM305055U (en) * | 2006-06-23 | 2007-01-21 | Michilin Prosperity Co Ltd | Wavering paper can in paper shredder machine |
| US7204441B1 (en) | 2006-07-07 | 2007-04-17 | Fellowes Inc. | Shredder apparatus and full bin indicator |
| CN2915259Y (en) * | 2006-07-14 | 2007-06-27 | 上海震旦办公设备有限公司 | Paper shredder touch safety device |
| US8008812B2 (en) | 2006-07-14 | 2011-08-30 | Aurora Office Equipment Co., Ltd. | Paper shredder control system responsive to touch-sensitive element |
| US20080053994A1 (en) * | 2006-08-30 | 2008-03-06 | Aurora Office Equipment Co., Ltd. Shanghai | Paper-Breaker Wastebin Structure |
| US20080093488A1 (en) * | 2006-10-19 | 2008-04-24 | Staples The Office Superstore, Llc | Shredder |
| DE102007006315B4 (en) * | 2007-01-30 | 2012-03-08 | Hermann Schwelling | Collection container for a shredder |
| US7762486B2 (en) | 2007-01-30 | 2010-07-27 | Staples The Office Superstore, Llc | Shredder |
| US7673825B2 (en) * | 2007-03-08 | 2010-03-09 | Gordon Bud Jeansonne | Machine for shredding/collecting drugs and drug packaging incident to permanent disposal |
| US8028942B2 (en) * | 2008-08-01 | 2011-10-04 | Fellowes, Inc. | Bin full detection with light intensity sensing |
| CN201239643Y (en) | 2008-08-06 | 2009-05-20 | 上海震旦办公设备有限公司 | Full automatic paper crusher without selecting paper |
| CN201244502Y (en) | 2008-08-19 | 2009-05-27 | 上海震旦办公设备有限公司 | Structure capable of removing nail of automatic paper crusher |
| US7823815B2 (en) * | 2008-10-15 | 2010-11-02 | Fellowes, Inc. | Shredder with self adjusting sensor |
| US7823816B2 (en) * | 2008-10-15 | 2010-11-02 | Fellowes, Inc. | Shredder with light emitting diode (LED) sensors |
| TWI347218B (en) * | 2008-12-12 | 2011-08-21 | Primax Electronics Ltd | Shredder with dust cleaner |
| CN101543799B (en) * | 2009-04-28 | 2012-10-10 | 上海震旦办公设备有限公司 | Novel protector for paper crusher |
| CN101543800A (en) * | 2009-05-07 | 2009-09-30 | 上海震旦办公设备有限公司 | Paper jamming prevention protective device of paper shredder |
| US20100327091A1 (en) * | 2009-06-24 | 2010-12-30 | Techko, Inc. | Safety systems and methods for controlling operation of office equipment |
| US8723468B2 (en) | 2011-04-28 | 2014-05-13 | Aurora Office Equipment Co., Ltd. | Cooled motor |
| US8708260B2 (en) | 2011-08-08 | 2014-04-29 | Aurora Office Equipment Co., Ltd. | Depowered standby paper shredder and method |
| DE102012100681B4 (en) | 2012-01-27 | 2022-09-01 | Hermann Schwelling | Document shredder with turbo function |
| DE102014100716A1 (en) | 2014-01-22 | 2015-07-23 | Hermann Schwelling | Unit for feeding sheet material for a shredder |
| JP5919324B2 (en) * | 2014-05-08 | 2016-05-18 | 株式会社サカエ | Shredding unit, shredder using the same, and sheet processing apparatus |
| EP3215273B8 (en) | 2014-11-07 | 2019-07-31 | Dirk Jaresch | Destruction of printed paper |
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| DE3312991A1 (en) * | 1983-04-12 | 1984-10-18 | Feinwerktechnik Schleicher & Co, 7778 Markdorf | DEVICE FOR CRUSHING MATERIALS, LIKE DOCUMENTS ETC. |
| DE3312992C2 (en) * | 1983-04-12 | 1994-03-31 | Schleicher Co Feinwerktech | Device for shredding materials such as documents etc., in particular document shredders |
| GB8431429D0 (en) * | 1984-12-13 | 1985-01-23 | Ofrex Group Plc | Supports for shredding machines |
| DK0503354T3 (en) * | 1991-03-13 | 1995-07-03 | Geha Werke Gmbh | Paper modulator base |
| US5607112A (en) * | 1995-08-21 | 1997-03-04 | Wilson; Russell G. | Home recycling center |
| DE29604761U1 (en) * | 1996-03-14 | 1996-05-09 | Schleicher & Co Int | Document shredder |
| US5704558A (en) * | 1996-09-16 | 1998-01-06 | Can Depot, L.P. | Automated recycling center for aluminum cans |
| DE29622522U1 (en) * | 1996-10-09 | 1997-04-10 | Schwelling Hermann | Cuttings collector for document shredders or similar Shredders |
-
1997
- 1997-07-03 EP EP97111094A patent/EP0842703B1/en not_active Expired - Lifetime
- 1997-07-03 ES ES97111094T patent/ES2176563T3/en not_active Expired - Lifetime
- 1997-10-02 US US08/942,849 patent/US5897065A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2176563T3 (en) | 2002-12-01 |
| US5897065A (en) | 1999-04-27 |
| EP0842703A1 (en) | 1998-05-20 |
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