WO2000063609A1 - Caisson de broyage - Google Patents

Caisson de broyage Download PDF

Info

Publication number
WO2000063609A1
WO2000063609A1 PCT/AU2000/000347 AU0000347W WO0063609A1 WO 2000063609 A1 WO2000063609 A1 WO 2000063609A1 AU 0000347 W AU0000347 W AU 0000347W WO 0063609 A1 WO0063609 A1 WO 0063609A1
Authority
WO
WIPO (PCT)
Prior art keywords
receptacle
cabinet
shredding
space
shredding device
Prior art date
Application number
PCT/AU2000/000347
Other languages
English (en)
Inventor
Angelo Morgillo
Original Assignee
Angelo Morgillo
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 Angelo Morgillo filed Critical Angelo Morgillo
Priority to AU39474/00A priority Critical patent/AU3947400A/en
Publication of WO2000063609A1 publication Critical patent/WO2000063609A1/fr

Links

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
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/08—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts

Definitions

  • the present invention relates generally to waste products and in particular to the production, collection and disposal of waste products. More particularly, the present invention relates to a shredding device and a method of using the device which allows more efficient collection and disposal of the waste product that is produced by the shredder. Even more particularly, the present invention relates to a cabinet for supporting a shredding device which allows shredded material to be collected directly in a suitable receptacle located in a dedicated space within the cabinet allowing direct disposal of the shredded waste using the receptacle.
  • the present invention finds particular application as a cabinet for supporting a paper shredder and for housing a wheeled receptacle directly below the paper shredder so that the paper shreds produced by the paper shredder are collected in the wheeled receptacle which can then be transported for ultimate disposal of the paper shreds directly from the wheeled receptacle, wherein the cabinet is provided with a safety device or interlock device for controlling operation or preventing unsafe operation of the shredder in use.
  • the present invention will be described with particular reference to one example of the present invention, being a cabinet adapted to house a wheeled recycle bin or similar in which the bin co-operates with a safety device to prevent unwanted or accidental use of the exposed cutters of the shredder, it is to be noted that the scope of the present invention is not restricted to the described embodiment but rather the scope of the present invention is more extensive so as to include other devices, other arrangements and other applications of the cabinet, shredder and safety device.
  • the present invention relates particularly to paper shredders and shredding devices.
  • the use of paper shredders is becoming more widespread for the disposal of waste paper containing confidential or sensitive material or merely to provide for more efficient disposal of the wastepaper in the form of shreds.
  • the disposal of the daily flood of paper in companies, institutions and organisations, including both private and government, in compliance with good data security practice, requires the shredding of paper materials, such as for example, large quantities of outdated computer printouts, mountains of files, correspondence and other confidential or sensitive materials.
  • the shredded paper products, including the shreds require disposal.
  • As paper shredding is becoming more commonplace, there is an increasing need for more efficient production, collection and disposal of the paper shreds without undue disruption to the normal operation of the office or other business.
  • Existing paper shredders usually have a plastic bag or other collection arrangement for collecting the paper shreds.
  • a plastic bag or other collection arrangement for collecting the paper shreds.
  • the plastic bag or similar Within an office or other commercial establishment,- when the plastic bag or similar is full -of shreds it must be detached from the shredder and taken to a suitable place for disposal, such as for example an intermediate collection area, storage location, transfer station or the like located within the office or building in which the office is located.
  • Usually the contents of the plastic bag are emptied into another larger receptacle acting as an intermediate receptacle located in the storage or transfer area of the office or building, which is then transported from the office for ultimate disposal of the waste paper.
  • plastic bags or similar requires double handling as the plastic bags themselves are not suitable for transporting the paper shreds or for disposing of the collected waste paper shreds at the ultimate disposal point, which can be located quite some distance from the office or commercial establishment, such as, in the countryside or in an industrial area located well away from the business area.
  • Another problem encountered with using a plastic bag or other similar receptacle is that fresh, empty bags must be attached to the shredder in a secure manner allowing for subsequent collection of paper shreds.
  • the attachment of the plastic bag in a secure manner is time-consuming and sometimes results in the bag being torn, ripped or similar, which requires that the bag be discarded without having being used and having to be replaced with a fresh replacement bag which adds to the time and cost of replacing the plastic bag.
  • a further problem in using a plastic bag or similar is that during transportation of the full bag from the shredder to the intermediate disposal receptacle there is an opportunity for the contents of the bag to spill, or when the bag is being emptied into the intermediate disposal receptacle for the contents to overflow onto the floor surrounding the intermediate receptacle. Both of these occurrences require the spilled contents to be recovered and put into the receptacle which is disruptive of office procedures as well as being time-consuming.
  • a still further problem of existing shredders is that if operating the shredder without the collecting receptacle being in place, it is possible for an operator to accidentally contact the moving cutters in use, thereby causing injury to the operator. This is particularly so if a paper jam or other disruption to the normal operation of the device occurs as the operator is tempted to relieve the jam manually, often by pulling the paper from between the moving cutters.
  • any suitable receptacle can be used to collect shredded paper.
  • offices have contracted with specific recycling companies to remove the shredded paper in which the contracted recycling companies supply their own intermediate storage receptacles, such as wheeled bins, known colloquially as wheelie-bins, or the like often at no charge to the customer.
  • intermediate storage receptacles such as wheeled bins, known colloquially as wheelie-bins, or the like often at no charge to the customer.
  • other contractors use the receptacles of the recycling company and "acquire" the receptacles without permission or authorisation. This leads to the recycling company losing its receptacles.
  • This aim can be achieved by having another form of a safety device in which the shredder will work only if the correct receptacle is identified and positioned in the cabinet of the present invention.
  • This form of the safety device usually a magnetic and/or electronic device, not only provides information about the identity of a particular receptacle but also assists in controlling operation of the shredder by preventing inappropriate use of the shredder either when there is no receptacle or where a non-authorised receptacle is used.
  • the shredding cabinet to be provided with a safety device for controlling operation of the shredder to prevent accidental damage or injury if the receiving receptacle is not in place to collect the paper shreds when the shredder or shredding device is operated. Also, there is a need for ensuring that only authorised receptacles be used to collect and remove the shredded material .
  • a cabinet for supporting and/or housing a shredding device which allows the receptacle for collecting the shredded material to be used also to dispose of the shredded material, wherein the cabinet is provided with a safety device for interacting between the shredding device and the receptacle so that the shredder operates in a safe and secure manner thereby preventing or reducing the chances of accidental damage or injury.
  • a cabinet adapted for use with a shredding device for shredding material fed into the device into shreds and collecting the shreds in a receptacle, characterised in that the cabinet comprises: a support portion having a pair of spaced apart side walls defining a space therebetween for receiving the receptacle in use; a top surface extending between the pair of spaced apart side walls having an aperture in which the shredding device is located in use; and at least one safety device for controlling operation of the shredding device, said receptacle for receiving and collecting shredded material from the shredding device when positioned in the space and being arranged such that the shredding device is located above the level of the opening to the receptacle, wherein the safety device is arranged to permit operation of the shredding device when the receptacle is positioned in the space and to prevent operation of the shredding * device when there is no receptacle positioned in the space.
  • an open-fronted cabinet adapted for use with a shredding device for shredding material fed into the device into shreds and for use with a receptacle for collecting and disposing of shreds
  • said cabinet including a support portion having a pair of spaced apart side walls and a mounting surface defining a space therebetween for receiving the receptacle in use, said mounting surface extending between the pair of spaced apart side walls and having at least one aperture therein, said shredding device being mounted on the mounting surface in alignment with the aperture or apertures in use, said receptacle being located beneath the aperture or apertures for directly receiving and collecting shredded material from the shredding device when the receptacle is positioned in the space between the side walls and the mounting surface and being of a size such that the shredding device is located above the level of direct entry into the receptacle, and at least one safety device for preventing unauthorised use of the shredding device, wherein the safety device is arranged such that
  • the shredding device is a paper shredder, more typically a paper shredder which both shreds the paper into strips and cross-cuts the shredded strips into pieces thereby making it more difficult to extract information from the piece ' s .
  • the cabinet includes a back panel located to span between the two spaced apart side walls. More typically, the rear panel abuts against one edge of the top of the cabinet in which is positioned the paper shredder.
  • the space is an open fronted space defined by the two side walls, and the top and rear panel allowing access from the front.
  • the receptacle is reusable. Typically, the receptacle is able to be transported from place to place. Even more the receptacle is sturdy.
  • the receptacle is a wheeled receptacle or similar able to be moved about by itself or upon another movable apparatus. More typically, the receptacle is a bin, even more typically a wheeled recycling bin, sometimes known as a "wheelie-bin", of the type having a hinged top which is openable by being pivoted back upon itself.
  • a wheeled recycling bin sometimes known as a "wheelie-bin"
  • the wheeled bin is provided with a movable top.
  • one of the safety or security devices is attached to the underside of the top of the cabinet. More typically, the safety device is a slidable plate or is a hinged plate. Even more typically, the slidable or hinged plate is held in a closed position by a biasing means.
  • the biasing means is a spring or similar, preferably a tension spring. More typically, there are one, two, three, four or more tension springs connected between the slidable or pivotable plate and the underside of the top of the cabinet .
  • the plate is provided with a contact element for contact by the wheeled bin to move the plate from the closed condition to an open position to allow operation of the shredder.
  • the contact element is a flange, back plate, lip or similar. Even more typically, there are one, two, three, four or more flanges, lips, etc.
  • a proximity switch or similar such as for example a reed switch, a micro-switch, a mechanical-electrical switch, or an optical-mechanical switch such as a light beam emitter and receiving, for detecting the presence of a bin in the space.
  • another form of the safety device is a magnetic and/or electronic switch which is coded for operation in conjunction with other coded components to allow operation of the device when selected wheelie-bins are located in place within and/or beneath the shredder. Even more typically, only bins having an authorised code can be used within the shredding cabinet by the bins interacting with a security device provided on the cabinet.
  • Figure 1 is a perspective view of one form of the cabinet of the present invention showing a shredding device located on the top of the cabinet;
  • Figure 2 is a cross-section view of one form -of the top of the cabinet of the present invention in which the collecting receptacle is not located beneath the shredder;
  • Figure 3 is a cross-section view similar to
  • Figure 4 is a sectional view taken along the line 4-4 of Figure 2;
  • Figure 5 is a cross-section view of a further embodiment of the cabinet of the present invention in which there is no receiving receptacle in place;
  • Figure 6 is a cross-section view similar to Figure 5 in which there is a receiving receptacle located beneath the shredding device.
  • FIG. 1 there is shown one form of the cabinet of the present invention, generally denoted as 2, having a pair of spaced apart, substantially vertically extending side walls 4, 6 located on either side of a back panel 8.
  • a top 10 is located intermediate the respective top sections of side walls 4, 6 and rear panel 8 for receiving a shredding device 12 in use.
  • a space 11 is defined between the two side walls, rear panel 8 and top 10. Space 11 is for receiving or housing a suitable collecting or receiving receptacle.
  • Top 10 is provided with one or more apertures of any suitable size or shape depending on the type of shredder mounted on top 10.
  • Shredding device 12 is received in one or more of the cutouts or apertures to securely position shredder 12 on top 10 of cabinet 2. It is to be noted that the rotating cutters of the shredder device are located at a level above the level of top 10 so that material shredded by the cutters falls through the aperture and then into the collecting receptacle.
  • FIG. 1 to 4 One form of the cabinet of the present invention is shown in Figures 1 to 4.
  • the top 10 of cabinet 2 is provided with an aperture 14 which is located directly below the cutters (not shown) of shredder 12. It is to be noted that the cutting elements or cutters of shredder 12 are not shown in the interest of clarity of expression and simplicity of drawings. However, paper fed to shredder 12 is shredded by rotation of the cutters to form shreds which fall through aperture 14 into the receptacle.
  • FIG. 1 to 4 One form of the safety device of the present invention is fitted to the cabinet as shown in Figures 1 to 4.
  • This form of the safety device 16 which is slidable between open and closed configurations comprises a generally horizontally extending flat plate 18 arranged to lie under and in parallel relationship to top 10 and a flange 20 extending substantially perpendicularly downwardly into space 11 from the rear facing edge of plate 18.
  • a tension spring 22 extends between plate 18 and top 10 in which one end of spring 22 is connected to the front edge in use of plate 18 and the other end is securely anchored to the lower surface of top 10 clear of plate 18.
  • safety device 16 is horizontally slidable in accordance with the bias and tension of spring 22.
  • safety device 16 comprises flat plate 18 for closing aperture 14 and lever 40 which extends substantially perpendicularly downward from plate 18 and is provided with knob 42 at the downwardly depending distal end of lever 20.
  • Safety device 16 is hingedly connected to the underside of top 10 by a suitable hinged connection 44 and is free to pivot about hinged connection 44.
  • One end of a tension spring 22 is connected to the distal or forwardly facing edge of plate 18 and the other end is securely anchored to the lower surface of top 10 adjacent to the edge of aperture 14.
  • Tension spring 22 is biased to maintain plate 18 in the closed position as shown in Figure 5 in which plate 18 covers aperture 14.
  • FIG. 5 and 6 A further form of the safety device useful with the cabinet of the present invention is shown in Figures 5 and 6, which safety device is of a type which allows the particular bin 30 to be identified either for stock control purposes or for additional safety purposes or to allow only selected bins to be used with the particular shredder.
  • This further safety device comprises two complementary parts 50, 52 in which one part 50 is connected to a suitable surface or part of bin 30, preferably the rearwardly facing upper rim 32, whilst the other part 52, typically a sensor, is attached to back panel 8 in a position that allows cooperation between the two parts 50, 52.
  • Sensor 52 controls operation of shredder 12, such as for example by switching power to shredder 12.
  • a preferred form of this safety or security device is a magnetic/electronic switch or similar, such as for example an electronic or magnetic tag in which sensor 52 is programmed with a set code so that it can be activated only when in close proximity to tag 50 having the correct code to complement the preset code.
  • shredder 12 can only be operated when bin 30 having the correct code is positioned in space 11. Bins not having tag 50 with the correct code will not activate sensor 52 so that shredder 12 will not be energised by sensor 52 and will remain inoperative.
  • cabinet 2 with shredder 12 mounted on top and sensor 52 coded is placed in a suitable position in an office or other establishment.
  • An empty bin 30 is located at the front opening of space 11 and pushed gently into this space, whereupon the rearward facing edge 32 contacts either flange 20 or knob 42 to simultaneously either slidably or pivotally move plate 18 as the bin 30 travels to the fully home position within space 11, thereby opening aperture 14.
  • tag 50 interacts with sensor 52 to energise shredder 12.
  • paper shreds fall though aperture 14 into bin 30. This operation is continued until bin 30 is full whereupon bin 30 is removed from cabinet 2.
  • tag 50 disengages from sensor 52 and plate 18 swings or slides in accordance with the bias of tension spring 22 to cover aperture 14, thereby preventing access to the cutters through this aperture.
  • Bin 30 can then be wheeled from the establishment and transported to the final disposal site where it is emptied, thus alleviating the need to "double handle” the shredded paper from the collecting receptacle, e.g. a plastic bag in the shredder, into an intermediate storage bin or transfer bin.
  • the collecting receptacle e.g. a plastic bag in the shredder
  • Advantages of the present invention include the following: There is reduced opportunity for spillage of the contents of the bin receiving the shredded material because the collecting receptacle is the same receptacle used to dispose of the shredded material .
  • the shredding device being fitted with one or more safety devices, cannot be operated unless the receptacle is in place to receive the shreds from the shredding device. This arrangement prevents accidental injury to operators using the shredder. - There is more efficient disposal of the shredded material since the receptacle is sufficiently strong enough to be used to transport the shredded material to the ultimate dump site.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L'invention concerne un caisson de broyage (2) conçu pour être utilisé avec un dispositif de broyage (12), permettant de broyer un matériau de déchet, notamment des déchets de papier. Ce caisson comprend une paire de parois latérales (6, 4) espacées, et un haut (10) définissant un espace (11) dans lequel on peut placer un réceptacle afin d'y recevoir le matériau broyé provenant du dispositif de broyage. Il est également pourvu d'un ou plusieurs dispositif(s) de sécurité (16, ou 50, 52) empêchant le fonctionnement du dispositif de broyage (12) lorsqu'il n'y a pas de réceptacle dans l'espace (11). Le dispositif de sécurité peut se présenter sous forme d'une plaque (18) coulissante ou articulée, sollicitée dans une positon fermée par un ressort de tension (22), ou sous forme d'un commutateur de proximité à deux composants ou analogue (50, 52) dans lequel un composant (50) est fixé au réceptacle, l'autre composant (52) étant fixé au caisson. Le(s) dispositif(s) de sécurité empêchent le fonctionnement du dispositif de broyage (12), ce qui évite de blesser accidentellement un opérateur qui utilise ledit dispositif de broyage.
PCT/AU2000/000347 1999-04-20 2000-04-20 Caisson de broyage WO2000063609A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU39474/00A AU3947400A (en) 1999-04-20 2000-04-20 Shredding cabinet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU23845/99 1999-04-20
AU23845/99A AU714941B3 (en) 1999-04-20 1999-04-20 Shredding cabinet

Publications (1)

Publication Number Publication Date
WO2000063609A1 true WO2000063609A1 (fr) 2000-10-26

Family

ID=3712910

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2000/000347 WO2000063609A1 (fr) 1999-04-20 2000-04-20 Caisson de broyage

Country Status (2)

Country Link
AU (1) AU714941B3 (fr)
WO (1) WO2000063609A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1738830A1 (fr) * 2005-07-01 2007-01-03 Carl Manufacturing Co., Ltd. Déchiqueteur de documents
WO2008048637A1 (fr) * 2006-10-19 2008-04-24 Staples The Office Superstore, Llc Déchiqueteuse
CN101966483A (zh) * 2010-09-07 2011-02-09 上海富士施乐有限公司 一种碎纸机的翻板式挡屑结构
CN101966482A (zh) * 2010-09-07 2011-02-09 上海富士施乐有限公司 一种碎纸机的滑板式挡屑结构
WO2011094968A1 (fr) * 2010-02-08 2011-08-11 Wang Huize Déchiqueteuse de papier avec mécanisme de sécurité à capot coulissant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006982A1 (fr) * 1985-05-20 1986-12-04 Kabushiki Kaisha Meiko Shokai Machine a decouper des documents
DE3706623A1 (de) * 1987-03-02 1988-09-15 Hermann Schwelling Verfahren zur selbsttaetigen antriebsabschaltung des schneidwerks eines aktenvernichters bei gefuelltem abfallsammelsack und vorrichtung zur verfahrensdurchfuehrung
US5044270A (en) * 1988-10-18 1991-09-03 H S M - Pressen Gmbh Shredder and compactor with protective guard
JPH0857340A (ja) * 1994-06-16 1996-03-05 Ryobi Ltd 破砕装置
JPH1110017A (ja) * 1997-06-24 1999-01-19 Ricoh Co Ltd シュレッダー

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT350914B (de) * 1977-07-13 1979-06-25 G F E Ges Fuer Elektromechanik Diskontinuierlich arbeitende presse zum zusammenballen lockerer materialien

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006982A1 (fr) * 1985-05-20 1986-12-04 Kabushiki Kaisha Meiko Shokai Machine a decouper des documents
DE3706623A1 (de) * 1987-03-02 1988-09-15 Hermann Schwelling Verfahren zur selbsttaetigen antriebsabschaltung des schneidwerks eines aktenvernichters bei gefuelltem abfallsammelsack und vorrichtung zur verfahrensdurchfuehrung
FR2628343A1 (fr) * 1987-03-02 1989-09-15 Schwelling Hermann Dispositif de mise a l'arret automatique de l'entrainement du mecanisme de coupe d'un broyeur destructeur d'archives, en condition emplie du sac collecteur
US5044270A (en) * 1988-10-18 1991-09-03 H S M - Pressen Gmbh Shredder and compactor with protective guard
JPH0857340A (ja) * 1994-06-16 1996-03-05 Ryobi Ltd 破砕装置
JPH1110017A (ja) * 1997-06-24 1999-01-19 Ricoh Co Ltd シュレッダー

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; Class P41, AN 1986-332014/50 *
DATABASE WPI Derwent World Patents Index; Class P41, AN 1996-182857/19 *
DATABASE WPI Derwent World Patents Index; Class P41, AN 1999-146542/13 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1738830A1 (fr) * 2005-07-01 2007-01-03 Carl Manufacturing Co., Ltd. Déchiqueteur de documents
JP2007007602A (ja) * 2005-07-01 2007-01-18 Carl Manufacturing Co Ltd シュレッダー
WO2008048637A1 (fr) * 2006-10-19 2008-04-24 Staples The Office Superstore, Llc Déchiqueteuse
WO2011094968A1 (fr) * 2010-02-08 2011-08-11 Wang Huize Déchiqueteuse de papier avec mécanisme de sécurité à capot coulissant
CN101966483A (zh) * 2010-09-07 2011-02-09 上海富士施乐有限公司 一种碎纸机的翻板式挡屑结构
CN101966482A (zh) * 2010-09-07 2011-02-09 上海富士施乐有限公司 一种碎纸机的滑板式挡屑结构

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