EP0565112A3 - - Google Patents

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Publication number
EP0565112A3
EP0565112A3 EP19930105859 EP93105859A EP0565112A3 EP 0565112 A3 EP0565112 A3 EP 0565112A3 EP 19930105859 EP19930105859 EP 19930105859 EP 93105859 A EP93105859 A EP 93105859A EP 0565112 A3 EP0565112 A3 EP 0565112A3
Authority
EP
European Patent Office
Prior art keywords
behaviour
coasting
blade rollers
impairment
deviations
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
EP19930105859
Other versions
EP0565112B1 (en
EP0565112A2 (en
Inventor
Rainer Gollwitzer
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.)
GAO Gesellschaft fuer Automation und Organisation mbH
Original Assignee
GAO Gesellschaft fuer Automation und Organisation mbH
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 GAO Gesellschaft fuer Automation und Organisation mbH filed Critical GAO Gesellschaft fuer Automation und Organisation mbH
Publication of EP0565112A2 publication Critical patent/EP0565112A2/en
Publication of EP0565112A3 publication Critical patent/EP0565112A3/xx
Application granted granted Critical
Publication of EP0565112B1 publication Critical patent/EP0565112B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Paper (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The invention relates to a method, which is simple to execute, for monitoring the operation of mechanical paper shredders. The current coasting behaviour of the blade rollers is determined and compared with the coasting behaviour of correctly operating blade rollers. Deviations in the coasting behaviour indicate impairment of the operation of the blade rollers currently in use. Depending on the degree of deviation, measures are initiated which eliminate the operational impairment. <IMAGE>
EP93105859A 1992-04-10 1993-04-08 Method for controlling the operation of mechanical paper shredders Expired - Lifetime EP0565112B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4212151 1992-04-10
DE4212151A DE4212151A1 (en) 1992-04-10 1992-04-10 Process for monitoring the function of mechanical paper shredders

Publications (3)

Publication Number Publication Date
EP0565112A2 EP0565112A2 (en) 1993-10-13
EP0565112A3 true EP0565112A3 (en) 1994-03-09
EP0565112B1 EP0565112B1 (en) 1996-12-11

Family

ID=6456595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93105859A Expired - Lifetime EP0565112B1 (en) 1992-04-10 1993-04-08 Method for controlling the operation of mechanical paper shredders

Country Status (7)

Country Link
US (1) US5415355A (en)
EP (1) EP0565112B1 (en)
JP (1) JPH0623290A (en)
AT (1) ATE146100T1 (en)
CA (1) CA2093596A1 (en)
DE (2) DE4212151A1 (en)
ES (1) ES2097940T3 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020195510A1 (en) * 2001-06-21 2002-12-26 Primax Electronics Ltd. Paper-guiding structure of shredding apparatus
US7631822B2 (en) 2004-09-10 2009-12-15 Fellowes Inc. Shredder with thickness detector
US8870106B2 (en) * 2004-09-10 2014-10-28 Fellowes, Inc. Shredder with thickness detector
US7954737B2 (en) 2007-10-04 2011-06-07 Fellowes, Inc. Shredder thickness with anti-jitter feature
US7661614B2 (en) * 2004-09-10 2010-02-16 Fellowes Inc. Shredder throat safety system
US7798435B2 (en) * 2006-03-22 2010-09-21 Fellowes, Inc. Shredder with oiling mechanism
US8672247B2 (en) 2005-07-11 2014-03-18 Fellowes, Inc. Shredder with thickness detector
JP4948822B2 (en) * 2005-11-14 2012-06-06 株式会社岡村製作所 shredder
GB2437594B (en) * 2006-04-24 2010-08-11 Acco Uk Ltd A shredding machine
GB2451513B (en) * 2007-08-02 2012-04-18 Acco Uk Ltd A shredding machine
US8201761B2 (en) 2009-01-05 2012-06-19 Fellowes, Inc. Thickness sensor based motor controller
US8430347B2 (en) * 2009-01-05 2013-04-30 Fellowes, Inc. Thickness adjusted motor controller
US8091809B2 (en) * 2009-03-24 2012-01-10 Fellowes, Inc. Shredder with jam proof system
US8205815B2 (en) * 2009-05-15 2012-06-26 Fellowes, Inc. Paper alignment sensor arrangement
US8550387B2 (en) * 2009-06-18 2013-10-08 Tai Hoon K. Matlin Restrictive throat mechanism for paper shredders
US8678305B2 (en) * 2009-06-18 2014-03-25 Fellowes, Inc. Restrictive throat mechanism for paper shredders
US8382019B2 (en) 2010-05-03 2013-02-26 Fellowes, Inc. In-rush current jam proof sensor control
US8511593B2 (en) 2010-05-28 2013-08-20 Fellowes, Inc. Differential jam proof sensor for a shredder
US20150115077A1 (en) * 2013-10-28 2015-04-30 Sakae Co., Ltd. Shredder and sheet-like-object processing apparatus using the same
DE102014016920A1 (en) 2014-11-17 2016-05-19 Giesecke & Devrient Gmbh Device for shredding value documents

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412306A1 (en) * 1984-04-03 1985-10-10 Feinwerktechnik Schleicher & Co, 7778 Markdorf Control device for driving, for example, a file shredder or similar apparatus
EP0184786A2 (en) * 1984-12-07 1986-06-18 GAO Gesellschaft für Automation und Organisation mbH Device for destroying bank notes
EP0374481A2 (en) * 1988-12-23 1990-06-27 GAO Gesellschaft für Automation und Organisation mbH Apparatus and method for automatically monitoring the destruction of thin sheets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709197A (en) * 1986-07-08 1987-11-24 Feinwerktechnik Schleicher & Co. Control device for driving e.g. a shredding machine or a similar machine
US4844363A (en) * 1987-07-06 1989-07-04 Shredding Systems, Inc. Hopper ram for shredder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412306A1 (en) * 1984-04-03 1985-10-10 Feinwerktechnik Schleicher & Co, 7778 Markdorf Control device for driving, for example, a file shredder or similar apparatus
EP0184786A2 (en) * 1984-12-07 1986-06-18 GAO Gesellschaft für Automation und Organisation mbH Device for destroying bank notes
EP0374481A2 (en) * 1988-12-23 1990-06-27 GAO Gesellschaft für Automation und Organisation mbH Apparatus and method for automatically monitoring the destruction of thin sheets

Also Published As

Publication number Publication date
DE59304713D1 (en) 1997-01-23
JPH0623290A (en) 1994-02-01
US5415355A (en) 1995-05-16
CA2093596A1 (en) 1993-10-11
EP0565112B1 (en) 1996-12-11
ES2097940T3 (en) 1997-04-16
DE4212151A1 (en) 1993-10-14
EP0565112A2 (en) 1993-10-13
ATE146100T1 (en) 1996-12-15

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