EP0836886A1 - Switching flap for deactivating the cutting device of a document shredder an the like apparatus - Google Patents
Switching flap for deactivating the cutting device of a document shredder an the like apparatus Download PDFInfo
- Publication number
- EP0836886A1 EP0836886A1 EP97117388A EP97117388A EP0836886A1 EP 0836886 A1 EP0836886 A1 EP 0836886A1 EP 97117388 A EP97117388 A EP 97117388A EP 97117388 A EP97117388 A EP 97117388A EP 0836886 A1 EP0836886 A1 EP 0836886A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching
- housing
- flap
- underside
- switching flap
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
- B02C2018/0023—Switching devices
Definitions
- the invention relates to a switching flap according to the preamble of claim 1.
- Switching flaps integrated in the cutting unit housing on the underside thereof for the purpose of stopping the drive when the clippings container is full are known per se and have been designed so that their movement is transmitted via more or less complex lever and linkage parts including associated bearings to a limit switch connected to the drive control.
- the main disadvantages of these known designs are, above all, a high level of structural production and assembly work combined with a relatively high susceptibility to malfunction, due to the rods, levers, etc.
- the present invention therefore has the task posed, a structurally and assembly extremely simple Flap design to create the practical does not require any bearings and is absolutely insensitive to faults and thus works reliably.
- FIGS. 1 and 2 show first explanatory of the basic structure of the new version in that that on the underside 2a of a cutter housing 2 to the side of the clippings outlet "SP" a movable, on the motor limit switch "E” acting flap 1 is arranged.
- the pluggable connection points as non-positive Snap connections 3 and positive Guide pin 4 on the lower edge of the switching flap 1b sit, the housing underside 2a corresponding to it Has recesses 5 and 6 and the immediate above the connectors 3, 4 and 5, 6 itself extending parallel to the bottom of the housing 2a resilient joint point as a so-called bending groove "B" in the Material thickness "D" is introduced.
- the restoring force the switching flap 1 is therefore about the elasticity and geometry of the material concerned, so that neither additional reset elements nor bearings or control levers including fault-prone transmission linkages are required for the new solution.
- switching flap 1 makes sense that switching cams "S” and limiting rib “R” on the same side of the valve surface 1a and sit above the bending groove "B", what a rational and therefore inexpensive manufacture the switching flap 1 with bending groove "B", switching cams "S”, Rib “R” and pluggable connection points 3 and 4 as a one-piece molded plastic part without mechanical Postprocessing enabled.
- the centering pin still shown in the drawing 7 and 8 on the housing sides 2d serve together the housing flange 2e for fixing the cutting unit housing 2 on a suitably trained, clippings not shown here.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Schaltklappe nach dem Oberbegriff des Patentanspruches 1.The invention relates to a switching flap according to the preamble of claim 1.
In das Schneidwerksgehäuse an dessen Unterseite integrierte
Schaltklappen zum Zwecke der Antriebsstillsetzung
bei gefülltem Schnittgutsammelbehälter sind
an sich bekannt und bislang derart ausgebildet, daß
ihre Bewegung über mehr oder minder aufwendige Hebel- und
Gestängeteile samt zugehörigen Lagerungen auf
einer mit der Antriebssteuerung verbundenen Endschalter
übertragen wird.
Die Hauptnachteile dieser bekannten Ausführungen
liegen dabei vor allem in einem hohen baulichen
Fertigungs- und Monageaufwand verbunden mit relativ
großer Störanfälligkeit, bedingt durch die Stangen,
Hebel etc.Switching flaps integrated in the cutting unit housing on the underside thereof for the purpose of stopping the drive when the clippings container is full are known per se and have been designed so that their movement is transmitted via more or less complex lever and linkage parts including associated bearings to a limit switch connected to the drive control.
The main disadvantages of these known designs are, above all, a high level of structural production and assembly work combined with a relatively high susceptibility to malfunction, due to the rods, levers, etc.
Die vorliegende Erfindung hat sich daher die Aufgabe gestellt, eine baulich und montagemäßig äußerst einfache Schaltklappenausführung zu schaffen, die praktisch ohne Lagerungen auskommt und absolut störungsunanfällig und somit betriebssicher arbeitet.The present invention therefore has the task posed, a structurally and assembly extremely simple Flap design to create the practical does not require any bearings and is absolutely insensitive to faults and thus works reliably.
Gelöst wird diese Aufgabe durch die im Patentanspruch 1 angegebenen baulichen sowie anordnungstechnischen Mittel und Maßnahmen; die Unteransprüche enthalten hierzu vorteilhafte Weiterbildungen und Ausgestaltungsmerkmale, die zudem anhand von Zeichnungen im folgenden noch näher erläutert werden. This problem is solved by the in claim 1 specified structural and arrangement technology Means and measures; which contain subclaims advantageous further developments and design features, which also based on drawings below to be explained in more detail.
Es zeigen:
- Fig. 1
- in perspektivischer Darstellung ein Aktenvernichter-Schneidwerksgehäuse mit der neuen Schaltklappe von unten betrachtet,
- Fig. 2
- die gleiche Ansicht mit noch nicht eingesetzter Schaltklappe,
- Fig. 3
- die neue Schaltklappe als Einzelteil in gegenüber Fig. 1 vergrößertem Maßstab in Ansicht,
- Fig. 4
- eine Draufsicht zu Fig. 3 und
- Fig. 5
- eine Schnittdarstellung zu Fig. 3 gemäß der dortigen Linie AB.
- Fig. 1
- a perspective view of a shredder cutting unit housing with the new switching flap viewed from below,
- Fig. 2
- the same view with the switching flap not yet inserted,
- Fig. 3
- the new switching flap as a single part in an enlarged scale compared to FIG. 1 in view,
- Fig. 4
- a plan view of Fig. 3 and
- Fig. 5
- a sectional view of FIG. 3 along the line AB there.
Die Darstellungen in den Fig. 1 und 2 zeigen zunächst
erläuternd den Grundaufbau der neuen Ausführung dahingehend,
daß auf der Unterseite 2a eines Schneidwerksgehäuses
2 seitlich neben dem Schnittgutaustrittsspalt
"SP" eine bewegliche, auf den Motorendschalter
"E" wirkende Schaltklappe 1 angeordnet ist. The representations in FIGS. 1 and 2 show first
explanatory of the basic structure of the new version in that
that on the underside 2a of a
Neu und zur Lösung der mit der Erfindung gestellten
Aufgabe dienlich ist hierbei nun, daß die Schaltklappe
1 über entsprechende Anschlußstellen 3, 4
und 5, 6 in die Gehäuseunterseite 2a eingesteckt
ist, unmittelbar oberhalb der Steckverbindungen 3,
4 und 5, 6 eine sich über ihre ganze Länge 4 erstreckende
federnde Gelenkstelle "B" aufweist und
auf ihrer dem Schnittgutaustrittsspalt "SP" abgewandten
Seite 1a eine als Schaltnocken für die Betätigung
des die Antriebsstillsetzung bewirkenden Endschalters
"E" dienenden Rippe "S" o. dgl. trägt.New and to solve the problems posed by the invention
The task here is now that the switching flap
1 via
In spezieller baulicher Ausgestaltung ist dabei vorgesehen,
daß die steckbaren Anschlußstellen als kraftschlüssige
Schnappverbindungen 3 und formschlüssige
Führungszapfen 4 an der Schaltklappenunterkante 1b
sitzen, die Gehäuseunterseite 2a dazu korrespondierende
Aussparungen 5 und 6 aufweist und die unmittelbar
oberhalb der Steckverbindungen 3, 4 und 5, 6 sich
parallel zur Gehäuseunterseite 2a erstreckende
federnde Gelenkstelle als sog. Biegenut "B" in die
Materialdicke "D" eingebracht ist. Die Rückstellkraft
der Schaltklappe 1 wird also über die Elastizität
und Geometrie des betreffenden Werkstoffes erzielt,
so daß weder zusätzliche Rückstellelemente noch Lagerungen
oder Stellhebel samt störanfälligen übertragungsgestängen
für die neue Lösung erforderlich sind.In a special structural design,
that the pluggable connection points as
In spezieller und vorteilhafter baulicher Ausgestaltung
ist weiterhin vorgesehen, daß der Schaltnocken "S'"
durch eine Aussparung 2b an der Gehäuseunterseite 2a
auf den Endschalter "E" wirkt und die Bewegung der
Schaltklappe 1 in Richtung auf den Endschalter "E"
durch eine sich an die Oberfläche 2c der Gehäuseunterseite
2a in ihrer Endstellung anliegende weitere
Rippe "R" begrenzt ist; hierdurch entfällt unnötiger
Druck auf den Endschalter "E" und seine Befestigungselemente.In a special and advantageous structural design
it is also provided that the switch cam "S '"
through a recess 2b on the underside of the housing 2a
acts on the limit switch "E" and the movement of the
Switch flap 1 in the direction of the limit switch "E"
due to the
Weiterhin ist es bei der neuen Schaltklappe 1 noch
sinnvoll, daß Schaltnocken "S" und Begrenzungsrippe
"R" auf der gleichen Seite der Schaltklappenoberfläche
1a sowie oberhalb der Biegenut "B" sitzen,
was eine rationelle und somit preisgünstige Herstellung
der Schaltklappe 1 samt Biegenut "B", Schaltnocken "S",
Rippe "R" und steckbaren Anschlußstellen 3 und 4
als einstückiges Kunststoffformteil ohne mechanische
Nachbearbeitung ermöglicht.Furthermore, it is still with the new switching flap 1
makes sense that switching cams "S" and limiting rib
"R" on the same side of the valve surface
1a and sit above the bending groove "B",
what a rational and therefore inexpensive manufacture
the switching flap 1 with bending groove "B", switching cams "S",
Rib "R" and
Die zeichnerisch weiterhin noch dargestellten Zentrierzapfen
7 und 8 an den Gehäuseseiten 2d dienen samt
dem Gehäuseflansch 2e zum Festsetzen des Schneidwerksgehäuses
2 auf einem entsprechend ausgebildeten,
hier nicht dargestellten Schnittgutsammelbehälter. The centering pin still shown in the
- 11
- SchaltklappeSwitching flap
- 1a1a
- Oberfläche (auf der dem Schnittgutaustrittsspalt "SP" abgewandten Seite)Surface (on the clippings exit gap "SP" side facing away)
- 1b1b
- UnterkanteLower edge
- 22nd
- SchneidwerksgehäuseHeader housing
- 2a2a
- GehäuseunterseiteBottom of the housing
- 2a'2a '
- GehäuseoberseiteTop of the housing
- 2b2 B
- AussparungRecess
- 2c2c
- Oberfläche der GehäuseunterseiteSurface of the bottom of the housing
- 2d2d
- GehäuseseiteHousing side
- 2e2e
- GehäuseflanschHousing flange
- 33rd
- SchnappverbinderSnap connector
- 44th
- FührungszapfenGuide pin
- 55
- Aussparung für SchnappverbinderCut-out for snap connectors
- 66
- Aussparung für FührungszapfenCutout for guide pin
- 77
- ZentrierzapfenCentering pin
- 88th
- ZentrierzapfenCentering pin
- BB
- BiegenutBending groove
- DD
- Materialdicke der SchaltklappeMaterial thickness of the switching flap
- EE
- EndschalterLimit switch
- LL
- Länge der SchaltklappeLength of the switch flap
- P1 P 1
- Einsteckrichtung der KlappeFlap insertion direction
- P2 P 2
- Schwenkrichtung der KlappeSwing direction of the flap
- RR
- AnschlagrippeStop rib
- SS
- SchaltnockenSwitch cams
- SPSP
- SchnittgutaustrittsspaltCuttings exit gap
Claims (5)
dadurch gekennzeichnet,
characterized,
dadurch gekennzeichnet,
characterized,
dadurch gekennzeichnet,
characterized,
dadurch gekennzeichnet,
characterized,
gekennzeichnet durch
marked by
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19641934A DE19641934C2 (en) | 1996-10-11 | 1996-10-11 | Switch flap for stopping the cutting unit of document shredders and. devices |
DE19641934 | 1996-10-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0836886A1 true EP0836886A1 (en) | 1998-04-22 |
EP0836886B1 EP0836886B1 (en) | 2003-10-08 |
Family
ID=7808453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97117388A Expired - Lifetime EP0836886B1 (en) | 1996-10-11 | 1997-10-08 | Switching flap for deactivating the cutting device of a document shredder an the like apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US5969310A (en) |
EP (1) | EP0836886B1 (en) |
DE (2) | DE19641934C2 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7025293B2 (en) * | 2004-04-21 | 2006-04-11 | Fellows Inc. | Shredder with pivoting housing for the shredder mechanism |
US7195185B2 (en) * | 2004-11-02 | 2007-03-27 | Fellowes, Inc. | Shredder with separate waste opening |
TWM314070U (en) * | 2006-11-30 | 2007-06-21 | Michilin Prosperity Co Ltd | Safety plate for paper feeding of movable shredder machine |
CN201002037Y (en) * | 2006-12-28 | 2008-01-09 | 世庆实业股份有限公司 | Shredder paper entrance touch-stop safety device |
CN201002039Y (en) * | 2007-01-11 | 2008-01-09 | 世庆实业股份有限公司 | Shredder movable paper entrance blind flange |
US7757985B2 (en) * | 2007-06-27 | 2010-07-20 | Aurora Office Equipment Co., Ltd. | Safety shredder |
CA2640979C (en) | 2007-10-30 | 2011-03-29 | Liangneng Chen | Safety shredder |
US7648089B2 (en) * | 2007-11-28 | 2010-01-19 | Michilin Prosperity Co., Ltd. | Shredder safety interlock switch activation tab |
US8028942B2 (en) | 2008-08-01 | 2011-10-04 | Fellowes, Inc. | Bin full detection with light intensity sensing |
CN101623664B (en) * | 2009-07-31 | 2013-03-20 | 上海震旦办公设备有限公司 | Safety protection device of paper inlet of paper shredder |
DE102012100681B4 (en) | 2012-01-27 | 2022-09-01 | Hermann Schwelling | Document shredder with turbo function |
US8967510B2 (en) | 2012-09-27 | 2015-03-03 | Aurora Office Equipment Co., Ltd. | Safety shredder |
US9643190B2 (en) | 2013-03-26 | 2017-05-09 | Aurora Office Equipment Co., Ltd. Shanghai | Safety shredder with bin-full device and time delay |
US10639642B2 (en) * | 2015-03-19 | 2020-05-05 | Aurora Office Equipment Co., Ltd. Shanghai | Shredder jam clear apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2138700A (en) * | 1983-04-12 | 1984-10-31 | Schleicher Co Feinwerktech | Apparatus for comminuting materials such as documents |
JPH081025A (en) * | 1994-06-20 | 1996-01-09 | Matsushita Electric Ind Co Ltd | Shredder |
DE29604761U1 (en) * | 1996-03-14 | 1996-05-09 | Schleicher & Co International AG, 88677 Markdorf | Document shredder |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3632918A (en) * | 1969-08-25 | 1972-01-04 | Dickey John Corp | Sensing switch construction |
US3867591A (en) * | 1974-01-16 | 1975-02-18 | Whirlpool Co | One piece switch holder and foot operated hinge actuator for vacuum cleaner switch |
JPS57152725U (en) * | 1981-03-20 | 1982-09-25 | ||
DE8526418U1 (en) * | 1985-09-16 | 1986-02-13 | Robert Stahlschmidt RST Motorenwerk GmbH, 4800 Bielefeld | Device with rotating tool |
DE3706623A1 (en) * | 1987-03-02 | 1988-09-15 | Hermann Schwelling | METHOD FOR THE AUTOMATIC DRIVE SHUTDOWN OF THE CUTTING DEVICE OF A PAPER DESTRUCTOR WHEN FILLED WASTE COLLECTION BAG AND DEVICE FOR IMPLEMENTING THE PROCESS |
DE3835450C2 (en) * | 1988-10-18 | 1995-09-14 | Hsm Pressen Gmbh | Protective cover for a document shredder combined with a baler |
DE8911848U1 (en) * | 1989-10-04 | 1990-02-08 | Schwelling, Hermann, 7777 Salem | Protective cover for the cutting roller area of document shredders |
DE4103950C1 (en) * | 1991-02-09 | 1992-04-23 | Geha-Werke Gmbh, 3000 Hannover, De |
-
1996
- 1996-10-11 DE DE19641934A patent/DE19641934C2/en not_active Expired - Fee Related
-
1997
- 1997-10-08 DE DE59710829T patent/DE59710829D1/en not_active Expired - Fee Related
- 1997-10-08 EP EP97117388A patent/EP0836886B1/en not_active Expired - Lifetime
- 1997-10-10 US US08/949,087 patent/US5969310A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2138700A (en) * | 1983-04-12 | 1984-10-31 | Schleicher Co Feinwerktech | Apparatus for comminuting materials such as documents |
JPH081025A (en) * | 1994-06-20 | 1996-01-09 | Matsushita Electric Ind Co Ltd | Shredder |
DE29604761U1 (en) * | 1996-03-14 | 1996-05-09 | Schleicher & Co International AG, 88677 Markdorf | Document shredder |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 096, no. 005 31 May 1996 (1996-05-31) * |
Also Published As
Publication number | Publication date |
---|---|
DE59710829D1 (en) | 2003-11-13 |
DE19641934C2 (en) | 1999-06-24 |
DE19641934A1 (en) | 1998-04-16 |
US5969310A (en) | 1999-10-19 |
EP0836886B1 (en) | 2003-10-08 |
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