EP0010681A1 - Appareil pour le découpage ou le broyage de papier, carton, microfilms ou analogues - Google Patents

Appareil pour le découpage ou le broyage de papier, carton, microfilms ou analogues Download PDF

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Publication number
EP0010681A1
EP0010681A1 EP79103990A EP79103990A EP0010681A1 EP 0010681 A1 EP0010681 A1 EP 0010681A1 EP 79103990 A EP79103990 A EP 79103990A EP 79103990 A EP79103990 A EP 79103990A EP 0010681 A1 EP0010681 A1 EP 0010681A1
Authority
EP
European Patent Office
Prior art keywords
cutting
drive
support frame
unit
cutting unit
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.)
Granted
Application number
EP79103990A
Other languages
German (de)
English (en)
Other versions
EP0010681B1 (fr
Inventor
Günter Trautmann
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.)
Fleischmann Friedrich M
Original Assignee
Fleischmann Friedrich M
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
Priority claimed from DE19782845447 external-priority patent/DE2845447A1/de
Priority claimed from DE19782849095 external-priority patent/DE2849095A1/de
Priority claimed from DE19792930655 external-priority patent/DE2930655A1/de
Priority claimed from DE19792913417 external-priority patent/DE2913417A1/de
Application filed by Fleischmann Friedrich M filed Critical Fleischmann Friedrich M
Priority to AT79103990T priority Critical patent/ATE846T1/de
Publication of EP0010681A1 publication Critical patent/EP0010681A1/fr
Application granted granted Critical
Publication of EP0010681B1 publication Critical patent/EP0010681B1/fr
Expired legal-status Critical Current

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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
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/148—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers specially adapted for disintegrating plastics, e.g. cinematographic films
    • 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
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • 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
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • 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
    • B02C2018/0038—Motor drives
    • 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 device for cutting or shredding paper, cardboard, microfilms or the like. with a cutting device and a drive for the cutting device.
  • Cutting or shredding devices for microfilms, paper, cardboard and the like are known in various versions as so-called document shredders. For reasons of confidentiality, information carriers in office and data technology must be cut or shredded at the appropriate time. For this purpose, these devices are offered individually in different sizes in accordance with the requirements with regard to the desired strip width or the size of the chips. Until now, however, a separate overall device had to be kept available for each shredding process, which leads to space problems and high acquisition costs.
  • the known document shredders are consistently limited as a complete unit to a defined cutting width, which results from the distances from cutting knife to cutting knife.
  • the invention has for its object to provide a device for cutting or shredding of the type described in the introduction, which in a simple, cost-saving manner enables adaptation to the required cutting width, is simple in construction and is easy to maintain and, if necessary, easy to repair .
  • the drive element is designed as an independent unit which can be connected to a support frame with a waste container and has a drive motor, switching element and drive pinion driven by the drive motor, that at least one cutting unit with a certain cutting width exists knife rollers, drive gear and scraper device as an independent unit that can be freely connected and exchanged with the drive element, that guide means and locking means are provided for the precisely defined connection between the drive element and cutting unit, the drive pinion of the drive element being connected to the drive gear of the drive unit when the cutting unit is in use The cutting unit is in a non-positive connection.
  • the drive of the device and the cutting unit are designed as complete, separate units, the cutting unit being designed in the manner of a cassette, the possibility is given of cutting to exchange plants with different cutting widths with one hand, thereby quickly converting the device to a different cutting width.
  • the drive element as the basic element is an extremely inexpensive and one-time purchase because of the much lower manufacturing effort. Tailored to the respective needs, cutting units with different cutting widths can be provided immediately or later.
  • the drive unit or the cutting unit has pins which engage in a form-fitting manner in the associated guide and centering openings of the respective other element.
  • the locking means are designed as automatically latching pawls which can be released by hand.
  • a further improvement, in particular noise insulation, results when, according to a further embodiment of the invention, the drive element is connected to the support frame via rubber bearings and is held in a position-oriented manner by holes in the support frame.
  • the transport costs for such a device are reduced and the assembly is made easier if, according to a preferred exemplary embodiment of the invention, the supporting frame and the independent waste container are each designed to be pluggable from individual parts.
  • the support frame serves for receiving the drive element and a cutting unit and in the lower frame opening the waste container can be inserted in a form-fitting manner.
  • a storage surface that can be folded and / or retracted on the back of the supporting frame and supported with a support bracket for receiving endlessly folded paper, and a feed bracket for feeding the paper into the cutting unit to attach.
  • the scraper device of the cutting device is advantageously formed from four similar comb elements, two of which completely enclose the core of a knife roller, such that segments of individual knives of the same size protrude freely on the knife roller on both sides and that the comb elements end face with one approach each in an assigned opening of a bearing plate for the knife roller intervene positively and that the ends of the comb elements are designed such that respective bearing bushes of the knife rollers arranged in the bearing plate are held against rotation.
  • the design according to the invention results in constant precision and cost-effective production, as well as simple and quick assembly.
  • FIG. 1 an embodiment of a device according to the invention is fully assembled, but without a cutting unit.
  • a drive unit 1 which has, for example, a plastic housing (FIG. 8), contains an electric drive motor, a transmission, capacitors, switches, a device socket and the associated electrical wiring.
  • a receiving opening 2 serves to receive the cutting unit.
  • the drive unit 1 has its constant place on a support frame 3, which, as will be explained in more detail later, can be put together from individual parts in a few simple steps.
  • the drive unit 1 is connected to the support frame 3 via rubber bearings 4, which results in a transmission of Noise is largely reduced.
  • the support frame 3 is provided with articulated rollers 5.
  • a waste container 6 consists, as will also be explained later, of simple and easily pluggable individual parts. The waste container 6 is placed in the support frame 3 and fixed by appropriate training of its bottom.
  • the waste container 6 for throwing in paper waste or the like is accessible at all times.
  • FIG. 2 A device according to FIG. 1 is shown in FIG. 2, a cutting mechanism 8 being inserted in the receiving opening 2.
  • both the drive unit 1 and the cutting unit 8 have receiving pins 9 which snap into corresponding guide openings 9 'of the other part and thereby fix the relative position exactly.
  • FIG. 4 shows the exemplary embodiment according to FIG. 3 with the housing partially broken away. It can be seen that the drive unit 1 has a drive pinion 12 which is operatively connected to a gear 11 of the cutting unit 8. Due to the precisely fixed relative position, the gearbox runs quietly.
  • pawls 13 are attached on both sides, which automatically, in the exemplary embodiment shown, counter to the action of a spring, Snap into locking pin 1o. As a result, the cutting unit 8 is secured against inadvertent sliding out. The pawls 13 must be released by finger pressure when removing the cutting unit 8.
  • FIG. 5 shows a further exemplary embodiment of a drive unit 1 in a perspective view. Key switches 14 can be seen. 3 and 4, the drive element 1 has four centering pins 15 which engage in centering openings 24 of a cutting mechanism 8 shown in FIGS. 6 and 7.
  • the drive mechanism of the drive unit 1 is provided with an intermediate drive pinion 16 and an intermediate drive wheel 17.
  • the housing of the drive unit 1 expediently has support strips 19 on both sides.
  • the cutting unit 8 is seen from the FIG., The illustration in Fig. 7 with respect to the illustration in Fig. 6 is rotated .
  • the cutting unit 8 as an independent unit formed by 18 0 °, has in its interior cutting blade rolls, which will be explained in more detail later.
  • a clutch gearwheel 2o which interacts with the intermediate drive pinion 16 of the drive unit 1 in the assembled state, is used to drive the cutting knife rollers.
  • the housing of the cutting unit 8 is provided with support strips 21 which, when assembled, are aligned with the support strips 19 of the drive unit 1.
  • a feed opening 18 is provided for feeding the material to be shredded to the cutting knife rollers.
  • the cutting unit 8 has pawls 22 which can be disengaged via the tensioning lever 23, as will be explained in more detail later.
  • 8 shows the chassis of the drive unit 1, without the housing, in a top view.
  • Bearing plates 31, 32 and 33 designed as stamped parts are firmly screwed to four square spacer rods 34, the distance in the transmission space between the bearing plates 32 and 33 being determined by spacer tubes 35.
  • An electric drive motor 36 is screwed onto the bearing plate 32, the rotor end 37 of which is toothed and forms the drive pinion for an intermediate drive wheel 17, which in turn is firmly connected to the intermediate drive pinion 16.
  • Intermediate drive pinion 16 and intermediate drive wheel 17 are mounted in maintenance-free sintered bushes.
  • electrical components, such as drive capacitors 3 0, push button switch 14 and device socket are attached.
  • FIG. 12 shows a complete cutting mechanism chassis without a housing in a top view.
  • Cutting knife rollers 45 are stored in maintenance-free sintered bushes.
  • a scraper device 46 which is comb-like and prevents cut material from wrapping around the knife rollers.
  • a clutch gear 39 On an elongated axis of the knife roller facing the drive element 1 there is a clutch gear 39, wel ches is rotatably mounted by pin stop by 18 0 0 .
  • two counter-rotating gear wheels 38 On opposite axis ends of the knife rollers 45 there are two counter-rotating gear wheels 38 which ensure that the knife rollers 45 run synchronously with one another.
  • the cutting unit 8 When a cutting unit 8 is attached to the drive element 1, the cutting unit is precisely fixed by receiving the fixing pins 15 in centering openings 24, as explained. In this case, the clutch gear 39 then pushes into the intermediate drive pinion 16 in a force-locking manner, as a result of which a direct contact with the drive is established.
  • pawls 22 are shown rotatably mounted on the cutting unit bearing plates 41, 42, which pawls are designed in mirror image to one another.
  • the pawls 22 snap into locking openings 25 with locking lugs 26 of the bearing plates 32 and 31 and are firmly clamped by means of a tensioning lever 23 like an eccentric.
  • FIG. 12 shows a device corresponding to FIGS.
  • the cover device is shown in cross section. It preferably consists of a lower cover plate 58 and an upper cover plate 59, which are connected to one another via a hinge 6o.
  • a cover frame 61 is provided, which can be placed on the support frame 3.
  • the two cover plates 58 and 59 are preferably of the same size.
  • the upper cover plate 59 can be folded outwards, as shown in dashed lines, so that both cover plates together provide a sufficient storage area.
  • the lower cover plate 58 is designed to be displaceable relative to the frame 61.
  • shoulder screws 62 are used, which are arranged in elongated holes or grooves 63 of the cover frame 61.
  • Fig. 15 shows partially cut the attachment of the chassis of the drive element 1 in its housing. Between the two lower spacer bars 34 of the chassis and the housing base there are rubber grommets 47 which, as for example the part enlargement in FIG. 15 clearly shows, prevent direct contact between the chassis and housing when the two parts are screwed together. This minimizes any noise transmission.
  • the cutting mechanism 8, which is freely suspended on the drive chassis, can therefore also not transmit any noise directly to the housing of the drive unit 1.
  • FIG. 16 shows a further measure for noise absorption, wherein rubber sleeves 49 are provided between the drive element 1 with the cutting element 8 and the support frame 3 and engage in holes 50 in the support frame 3.
  • the cover or storage device 58 to 61 shown in the right part also has rubber grommets 49.
  • pins can be provided on the housing of the drive unit 1 and the cover frame 61, which in the Protect rubber grommets 49. This connection fixes the elements against each other and prevents direct contact and thus noise transmission to the support frame 3, so that the operating noise of the device is kept to a minimum.
  • the support frame 3 is shown in an exploded view.
  • the support frame 3 consists of two uniform tubular steel parts 52, which can be welded together in a U-shape, and of four identical plug-in elements 51. When combined, these elements result in an extremely stable support frame, which stands on the four rollers 5. The parts can be put together without difficulty.
  • the fully assembled support frame 3 is shown in Fig. 18.
  • FIG. 19 shows the waste container-6 in an exploded view.
  • Four wall plates 54 are inserted into a base part 57 and the edges are connected by means of corner strips 55.
  • An upper frame 56 serves to hold the wall plates 54 and the corner strips 55 together in a form-fitting manner.
  • the waste container 6 is firmly joined together.
  • the individual parts can be joined together in a simple manner.
  • the finished assembled waste container 6 is shown in FIG. 2o and in the installed state in FIG. 21 in the support frame 3 with the steel tube parts 52 and the plug-in elements 51.
  • the bottom 57 advantageously has circumferential wall recesses 57 'which cooperate in a form-fitting manner with the steel tube parts 52, since they deeper inwards via the storage surface installed wall recesses 57 'result in a lateral limitation.
  • 23 to 26 is a partially sectioned and partially a side or front view of a wiper device 46.
  • the scraper device consists of four scraper elements 68 which, in the assembled state, enclose axially center-fitting pairs of cores 7o 'or 7 0 "of the knife roller Turning and turning, that is, by arranging four times, give the scraper device overall.
  • Fig. 24 shows in partial side section again how a knife roller 72 is enclosed over its entire length.
  • the ends of the stripper element 68 carry a shoulder 74, in the embodiment shown in the form of a transverse flat wedge-shaped shoulder, the shoulder being inserted into a punched-out portion of a bearing plate 73 during assembly.
  • This ensures that a constant distance between knife roller 72 and the stripper element is ensured, so that there is no unwanted friction.
  • the distance between the two knife rollers is selected such that a feed opening 18 still remains between the stripper elements 68 for introducing the material to be shredded.
  • the design of the stripper elements 68 is such that, as can be seen from FIGS. 23 and 25, segments 71 ', 71 "of the individual knives protrude freely on both sides.
  • the expedient design of the wiper element 68 makes it possible to rotate the bearing bushes 76, in which axes 78 of the knife rollers are stored. This is done in that the bearing bush 76 has two parallel side surfaces which cooperate with appropriately designed parts of the A stripping ends 75.
  • 27 to 29 show a further embodiment of the device according to the invention for use in the processing of continuous paper 65.
  • 27 shows a side view of an unfolded storage surface 64 with a support 67 engaged therein.
  • a feed bracket 66 is attached to the device in such a way that it can be sunk or folded in when not in use.
  • the continuous paper 65 is pulled by the pulling of the knife rollers over the feed bracket 66, whereby it unfolds effortlessly.
  • 29 shows a top view in an analogous manner and reveals how the storage surface 64 during assembly of the support frame 3, by means of pins 79 attached on both sides, which lead into holes in the steel tube parts 52 protrude, can be easily attached.
  • the storage surface 64 and the feed bracket 66 are attached directly to the device and can be easily moved into the working position if required.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP19790103990 1978-10-19 1979-10-16 Appareil pour le découpage ou le broyage de papier, carton, microfilms ou analogues Expired EP0010681B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79103990T ATE846T1 (de) 1978-10-19 1979-10-16 Vorrichtung zum zerschneiden oder zerkleinern von papier, karton, mikrofilmen od. dgl.

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE2845447 1978-10-19
DE19782845447 DE2845447A1 (de) 1978-10-19 1978-10-19 Universalvorrichtung zum zerschneiden oder zerkleinern von microfilmen, papier, karton u.ae. - mit austauschbaren schneidwerk-kassetten
DE19782849095 DE2849095A1 (de) 1978-11-11 1978-11-11 Universalvorrichtung zum zerschneiden oder zerkleinern von microfilmen, papier, karton u.ae.- mit austauschbaren schneidwerk-kassetten
DE2849095 1978-11-11
DE19792930655 DE2930655A1 (de) 1979-04-04 1979-04-04 Universalvorrichtung zum zerschneiden oder zerkleinern von microfilmen, papier, karton u.ae. - mit austauschbaren schneidwerk - kassetten
DE2913417 1979-04-04
DE2930655 1979-04-04
DE19792913417 DE2913417A1 (de) 1979-04-04 1979-04-04 Abstreiferelement

Publications (2)

Publication Number Publication Date
EP0010681A1 true EP0010681A1 (fr) 1980-05-14
EP0010681B1 EP0010681B1 (fr) 1982-04-14

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Application Number Title Priority Date Filing Date
EP19790103990 Expired EP0010681B1 (fr) 1978-10-19 1979-10-16 Appareil pour le découpage ou le broyage de papier, carton, microfilms ou analogues

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EP (1) EP0010681B1 (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386698A3 (fr) * 1989-03-07 1991-01-30 Hermann Schwelling Déchiqueteur de documents avec une unité d'entraínement pour les rotors de coupe
WO1991012890A1 (fr) * 1990-02-27 1991-09-05 Fellowes Manufacturing Company Machine a dechiqueter les documents
US5110060A (en) * 1990-10-09 1992-05-05 Lundquist Lynn C Cutter enhancement for plastic size reduction equipment
EP0502355A1 (fr) * 1991-03-04 1992-09-09 GEHA-WERKE GmbH Racleur pour le porte-couteau d'un destructeur de documents
EP0503354A1 (fr) * 1991-03-13 1992-09-16 GEHA-WERKE GmbH Base de châssis pour déchiqueteur de documents
DE4123293A1 (de) * 1991-07-13 1993-01-21 Schwelling Hermann Abstreiferkamm, insbesondere fuer klein-aktenvernichter
US5230477A (en) * 1990-02-03 1993-07-27 Pbs-Servicegesellschaft Mbh & Co. Kg Knife shaft stripping device for document shredders
US5295633A (en) * 1992-01-13 1994-03-22 Fellowes Manufacturing Company Document shredding machine with stripper and cutting mechanism therefore
DE19545087A1 (de) * 1995-12-04 1997-06-05 Hermann Schwelling Klein-Aktenvernichter
WO1999001223A3 (fr) * 1997-07-04 1999-03-25 Dahle Buero Technik Destructeur de documents
EP0928633A1 (fr) * 1997-12-30 1999-07-14 Elcoman S.R.L. Dispositif de déchiquetage de documents à commande manuelle et corbeille à papier équipée d'un tel dispositif
US5954280A (en) * 1998-05-12 1999-09-21 Fellowes Manufacturing Company Top blocker for a paper shredder
FR2785205A1 (fr) * 1998-10-30 2000-05-05 Phenix Ind Dispositif de broyage de dechets
EP1016461A2 (fr) 1998-12-18 2000-07-05 Hermann Schwelling Dispositif de coupe pour destructeur de documents
DE19902022A1 (de) * 1999-01-20 2000-08-03 Mannesmann Vdo Ag Einhausung für eine Granulatmühle
US7025293B2 (en) * 2004-04-21 2006-04-11 Fellows Inc. Shredder with pivoting housing for the shredder mechanism
WO2007019348A1 (fr) * 2005-08-05 2007-02-15 Radstrom Jonas V Dispositif de gestion de déchets combinés ménagers et de déchiqueteuse
US7445173B2 (en) * 2006-12-11 2008-11-04 Michilin Prosperity Co., Ltd. Device for reducing vibrations and noises of a paper shredder
US7503516B2 (en) * 2006-08-30 2009-03-17 Aurora Office Equipment Co., Ltd. Shanghai Paper-breaker supporting framework structures
DE102008039402A1 (de) * 2008-08-22 2010-02-25 Giesecke & Devrient Gmbh Rücknehmen und Zerstören von Datenträgern
CN102107153A (zh) * 2010-05-07 2011-06-29 东莞福泰电子有限公司 一种组件式碎纸机
FR3010331A1 (fr) * 2014-04-01 2015-03-13 Erai K Dispositif de destruction de supports de stockage informatique
CN108405133A (zh) * 2018-06-04 2018-08-17 彭希南 一种便携式交直流两用电动碎纸机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106964449A (zh) * 2017-04-27 2017-07-21 安徽庆睿实业有限责任公司 一种办公用噪音小的智能碎纸机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703544U (de) * 1954-07-28 1955-07-28 Friedrich Sachse Maschine zur stofferhaltenden vernichtung von dokumenten, schriftstuecken u. dgl.
DE2249251A1 (de) * 1972-02-28 1973-09-13 Schleicher Co Feinwerktech Vorrichtung zum zerkleinern von papier und aehnlichen abfaellen
DE2645284A1 (de) * 1976-10-07 1978-04-13 Guenter Trautmann Elektrische papierzerreissmaschine mit zwei oder mehr integrierten messerwalzenpaaren verschiedener schnittbreiten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703544U (de) * 1954-07-28 1955-07-28 Friedrich Sachse Maschine zur stofferhaltenden vernichtung von dokumenten, schriftstuecken u. dgl.
DE2249251A1 (de) * 1972-02-28 1973-09-13 Schleicher Co Feinwerktech Vorrichtung zum zerkleinern von papier und aehnlichen abfaellen
DE2645284A1 (de) * 1976-10-07 1978-04-13 Guenter Trautmann Elektrische papierzerreissmaschine mit zwei oder mehr integrierten messerwalzenpaaren verschiedener schnittbreiten

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386698A3 (fr) * 1989-03-07 1991-01-30 Hermann Schwelling Déchiqueteur de documents avec une unité d'entraínement pour les rotors de coupe
US5230477A (en) * 1990-02-03 1993-07-27 Pbs-Servicegesellschaft Mbh & Co. Kg Knife shaft stripping device for document shredders
WO1991012890A1 (fr) * 1990-02-27 1991-09-05 Fellowes Manufacturing Company Machine a dechiqueter les documents
US5071080A (en) * 1990-02-27 1991-12-10 Fellowes Manufacturing Company Document shredding machine
AU624535B2 (en) * 1990-02-27 1992-06-11 Fellowes Manufacturing Company Document shredding machine
US5110060A (en) * 1990-10-09 1992-05-05 Lundquist Lynn C Cutter enhancement for plastic size reduction equipment
EP0502355A1 (fr) * 1991-03-04 1992-09-09 GEHA-WERKE GmbH Racleur pour le porte-couteau d'un destructeur de documents
US5400978A (en) * 1991-03-04 1995-03-28 Geha-Werke Gmbh Blade and stripper assembly for a paper shredder
EP0503354A1 (fr) * 1991-03-13 1992-09-16 GEHA-WERKE GmbH Base de châssis pour déchiqueteur de documents
DE4123293A1 (de) * 1991-07-13 1993-01-21 Schwelling Hermann Abstreiferkamm, insbesondere fuer klein-aktenvernichter
EP0525491A1 (fr) * 1991-07-13 1993-02-03 Hermann Schwelling Racleur pour un petit destructeur de document
US5295633A (en) * 1992-01-13 1994-03-22 Fellowes Manufacturing Company Document shredding machine with stripper and cutting mechanism therefore
DE19545087C2 (de) * 1995-12-04 2003-06-12 Hermann Schwelling Klein-Aktenvernichter
DE19545087A1 (de) * 1995-12-04 1997-06-05 Hermann Schwelling Klein-Aktenvernichter
WO1999001223A3 (fr) * 1997-07-04 1999-03-25 Dahle Buero Technik Destructeur de documents
EP0928633A1 (fr) * 1997-12-30 1999-07-14 Elcoman S.R.L. Dispositif de déchiquetage de documents à commande manuelle et corbeille à papier équipée d'un tel dispositif
WO1999034924A1 (fr) * 1997-12-30 1999-07-15 Elcoman S.R.L. Destructeur de documents a actionnement manuel et corbeille equipee de ce destructeur
US5954280A (en) * 1998-05-12 1999-09-21 Fellowes Manufacturing Company Top blocker for a paper shredder
FR2785205A1 (fr) * 1998-10-30 2000-05-05 Phenix Ind Dispositif de broyage de dechets
EP1016461A2 (fr) 1998-12-18 2000-07-05 Hermann Schwelling Dispositif de coupe pour destructeur de documents
DE19902022A1 (de) * 1999-01-20 2000-08-03 Mannesmann Vdo Ag Einhausung für eine Granulatmühle
DE19902022C2 (de) * 1999-01-20 2001-05-10 Mannesmann Vdo Ag Einhausung für eine Granulatmühle
US7025293B2 (en) * 2004-04-21 2006-04-11 Fellows Inc. Shredder with pivoting housing for the shredder mechanism
US7226009B2 (en) 2004-04-21 2007-06-05 Fellowes Inc. Shredder with pivoting housing for the shredder mechanism
WO2007019348A1 (fr) * 2005-08-05 2007-02-15 Radstrom Jonas V Dispositif de gestion de déchets combinés ménagers et de déchiqueteuse
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CN102107153A (zh) * 2010-05-07 2011-06-29 东莞福泰电子有限公司 一种组件式碎纸机
FR3010331A1 (fr) * 2014-04-01 2015-03-13 Erai K Dispositif de destruction de supports de stockage informatique
CN108405133A (zh) * 2018-06-04 2018-08-17 彭希南 一种便携式交直流两用电动碎纸机

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