EP0765834B1 - Device for sheet feeding - Google Patents
Device for sheet feeding Download PDFInfo
- Publication number
- EP0765834B1 EP0765834B1 EP96115357A EP96115357A EP0765834B1 EP 0765834 B1 EP0765834 B1 EP 0765834B1 EP 96115357 A EP96115357 A EP 96115357A EP 96115357 A EP96115357 A EP 96115357A EP 0765834 B1 EP0765834 B1 EP 0765834B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- diameter
- roll
- shaft
- rolls
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/70—Article bending or stiffening arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
- B65H29/22—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders and introducing into a pile
Definitions
- the invention relates to a device for sheet transport between two parallel rollers that run along their length several parts each with larger and with smaller ones Have diameters, each with larger parts Diameter of one of the rollers and parts with a smaller one Diameter of the other roller face each other.
- Such a device the z. B. known from copiers gives a sheet conveyed between the rollers undulating profile that is transverse to the sheet transport direction runs to "fly" around the arch over a long distance to push a stack of sheets, d. H. without a guide or Overlay of its front area.
- Such a device is e.g. known from JP 4 189 248.
- the invention is based on the problem that in the known designs, the roller surfaces different Have surface speeds what is sensitive Damaged surfaces of the transported sheets can lead.
- one of the two Roll alternating parts along their length with a first Diameter and parts with a second diameter on the is smaller than the first diameter and has the other Alternately roll parts with a third along their length Diameter and parts with a fourth diameter on it is larger than the third diameter.
- the parts of one roller roll with the first Diameter and the parts of the other roller with the third Diameter on the one hand and the parts of a roller with the second diameter and the parts of the other roller with the fourth diameter, on the other hand, under a preload on each other.
- the different parts of each roller are cylindrical elements that alternate firmly with a continuous shaft connected and freely rotatable on it are stored.
- the two shafts are driven by a gear synchronized with each other, the gear ratio of the Ratio of the diameter of the fixed to the one shaft connected cylindrical elements to the diameter of the cylindrical elements firmly connected to the other shaft corresponds. This way, only one of the two needs to be used Shafts are driven from the outside.
- the gearbox can be on simple way thanks to two gears coupled together be realized, one of which is fixed to the one shaft and the other is firmly connected to the other shaft.
- At least one of two each other opposite roll parts a jacket from a Has rubber material, d. H. made of a flexible material, that also with respect to the surface of the opposite roller part a high Having coefficient of friction is done in a simple way achieved that the surface speeds of all Roll parts regardless of the presence of a sheet between the rollers are always the same, so that during the Arc inlet no accelerations occur that one Abrasion of the sheet on the rollers can result.
- the device according to the invention is particularly suitable as Boom transport roller pair for printing machines, in particular for sheetfed presses with high sheet output, since itself no sliding at high conveyor speeds Relative movements between the delivery rollers and the sheets occur.
- the ink at the moment of Sheet entry into the delivery rollers is not yet complete have become resistant to abrasion.
- Transport rollers 6, 7 A section of such a couple Transport rollers 6, 7 is shown in Fig. 4 and has Parts with larger and smaller diameters, whereby parts with a larger or smaller diameter on the Transport roller 6 parts with smaller or larger Diameter on the transport roller 7 are opposite.
- the Transport rollers 6, 7 provide a sheet 8 transverse to one Sheet transport direction indicated by an arrow P. is, with a wave profile 9, as shown in Fig. 3. This wave profile generates P in the sheet transport direction a very high rigidity, which makes the sheet 8 wide Can "fly" freely.
- Each Transport roller 10, 11 has a shaft 12 and 13, respectively the shafts 12, 13 parallel and at a distance Side walls 14, 15 of a printing press rotatably mounted are.
- the shaft 12 is alternated along its length cylindrical parts 16 and cylindrical parts 17 pushed on, the diameter of the parts 17 slightly smaller than that The diameter of the parts 16 is.
- On the shaft 13 are along their length alternately cylindrical parts 18 and cylindrical parts 19 pushed, the diameter of the Parts 19 is slightly larger than the diameter of the parts 18.
- the different diameters are according to the distance the shafts 12, 13 selected so that the cylindrical parts 16 and 18 touch each other on the circumference and the cylindrical Parts 17 and 19 touch each other on the circumference.
- Each cylindrical part 17, 18 is rotationally fixed to the associated shaft 12 or 13 connected, and each cylindrical part 16, 19 is freely rotatable on the associated Shafts 12 and 13 mounted, e.g. B. via ball bearings.
- Each non-rotatably connected cylindrical part 17, 18 has a Shell surface in the form of a rubber coating 20 against which press the cylindrical parts 16 and 19 respectively.
- the cylindrical parts 16, 17 and 18, 19 are each by a spring 21 in the axial direction of the shaft 12 or 13 held together.
- a gear 22 is axial on one end of the shaft 13 attached to a drive gear 23 of the printing machine engages, and on the other end of the shaft 13 is a Gear 24 attached, which engages a gear 25, the is attached to one end of the shaft 12.
- the gears 24, 25 are profile-shifted gears, whose Pitch circle diameter equal to the diameter of the cylindrical Parts 17 and 18 of the shafts 12 and 13 respectively.
- the gears 24 and 25 - at constant ratio of the diameter - smaller Have diameter than the cylindrical parts 17 and 18 respectively and be coupled via a toothed belt and a gear wheel.
- the shaft 13 In operation of the printing machine, the shaft 13 is over the Gear 22 rotated according to the machine speed, and the gear 24 takes the gear 25 and thus the Wave 13 with.
- the shafts 12, 13 rotate, they have cylindrical parts 17, 18 with the rubber coating 20 same surface speeds, and thus also the cylindrical parts 16, 19, always of the cylindrical Parts 17, 18 to be taken. Therefore, the Transport rollers 10, 11 are the same over their entire length Peripheral speeds on, and one in between transported sheet receives a wave profile as in FIG. 3 shown without the risk of its surface is damaged.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Rotary Presses (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Bogentransport zwischen zwei parallelen Walzen, die längs ihrer Länge jeweils mehrere Teile mit größeren und mit kleineren Durchmessern aufweisen, wobei jeweils Teile mit größerem Durchmesser einer der Walzen und Teile mit kleinerem Durchmesser der anderen Walze einander gegenüber liegen.The invention relates to a device for sheet transport between two parallel rollers that run along their length several parts each with larger and with smaller ones Have diameters, each with larger parts Diameter of one of the rollers and parts with a smaller one Diameter of the other roller face each other.
Eine solche Vorrichtung, die z. B. aus Kopiergeräten bekannt ist, verleiht einem zwischen den Walzen beförderten Bogen ein wellenförmiges Profil, das quer zur Bogentransportrichtung verläuft, um den Bogen über eine weite Strecke "fliegend" auf einen Bogenstapel zu schieben, d. h. ohne eine Führung oder Auflage seines vorderen Bereichs. Eine derartige Vorrichtung ist z.B. aus der JP 4 189 248 bekannt.Such a device, the z. B. known from copiers gives a sheet conveyed between the rollers undulating profile that is transverse to the sheet transport direction runs to "fly" around the arch over a long distance to push a stack of sheets, d. H. without a guide or Overlay of its front area. Such a device is e.g. known from JP 4 189 248.
Der Erfindung liegt das Problem zugrunde, daß bei den bekannten Ausführungen die Walzenoberflächen unterschiedliche Oberflächengeschwindigkeiten haben, was bei empfindlichen Oberflächen der transportierten Bögen zu Beschädigungen führen kann.The invention is based on the problem that in the known designs, the roller surfaces different Have surface speeds what is sensitive Damaged surfaces of the transported sheets can lead.
Dieses Problem wird bei einer gattungsgemäßen Vorrichtung erfindungsgemäß dadurch gelöst, daß entweder die Teile mit größerem Durchmesser oder die Teile mit kleinerem Durchmesser jeder Walze frei drehbar gelagert sind und bei einer Drehung der jeweils anderen Walze von den diesen Teilen gegenüberliegenden Teilen der anderen Walze mitgenommen werden.This problem is solved with a generic device solved according to the invention in that either the parts with larger diameter or the smaller diameter parts each roller are freely rotatable and with one rotation the other roller of these parts opposite parts of the other roller taken will.
Auf diese Weise läßt sich verhindern, daß irgendein Teil der Walzen gleitend auf dem transportierten Bogen reibt. In this way it can be prevented that any part of the Rolls slidingly rubs on the transported sheet.
In der bevorzugten Ausführungsform weist eine der beiden Walzen längs ihrer Länge abwechselnd Teile mit einem ersten Durchmesser und Teile mit einem zweiten Durchmesser auf, der kleiner als der erste Durchmesser ist, und weist die andere Walze längs ihrer Länge abwechselnd Teile mit einem dritten Durchmesser und Teile mit einem vierten Durchmesser auf, der größer als der dritte Durchmesser ist. Um den Mitnahmeeffekt zu erzielen, rollen die Teile der einen Walze mit dem ersten Durchmesser und die Teile der anderen Walze mit dem dritten Durchmesser einerseits und die Teile der einen Walze mit dem zweiten Durchmesser und die Teile der anderen Walze mit dem vierten Durchmesser andererseits unter einer Vorspannung aufeinander ab. Die verschiedenen Teile jeder Walze sind zylindrische Elemente, die abwechselnd fest mit einer durchgehenden Welle verbunden und frei drehbar darauf gelagert sind. Die beiden Wellen werden durch ein Getriebe miteinander synchronisiert, dessen Übersetzungsverhältnis dem Verhältnis des Durchmessers der fest mit der einen Welle verbundenen zylindrischen Elemente zu dem Durchmesser der fest mit der anderen Welle verbundenen zylindrischen Elemente entspricht. Auf diese Weise muß außerdem nur eine der beiden Wellen von außen angetrieben werden. Das Getriebe kann auf einfache Weise durch zwei miteinander gekoppelte Zahnräder realisiert werden, von denen eines fest mit der einen Welle und das andere fest mit der anderen Welle verbunden ist.In the preferred embodiment, one of the two Roll alternating parts along their length with a first Diameter and parts with a second diameter on the is smaller than the first diameter and has the other Alternately roll parts with a third along their length Diameter and parts with a fourth diameter on it is larger than the third diameter. To the deadweight To achieve this, the parts of one roller roll with the first Diameter and the parts of the other roller with the third Diameter on the one hand and the parts of a roller with the second diameter and the parts of the other roller with the fourth diameter, on the other hand, under a preload on each other. The different parts of each roller are cylindrical elements that alternate firmly with a continuous shaft connected and freely rotatable on it are stored. The two shafts are driven by a gear synchronized with each other, the gear ratio of the Ratio of the diameter of the fixed to the one shaft connected cylindrical elements to the diameter of the cylindrical elements firmly connected to the other shaft corresponds. This way, only one of the two needs to be used Shafts are driven from the outside. The gearbox can be on simple way thanks to two gears coupled together be realized, one of which is fixed to the one shaft and the other is firmly connected to the other shaft.
Dadurch, daß wenigstens einer von zwei einander gegenüberliegenden Walzenteilen einen Mantel aus einem Gummimaterial aufweist, d. h. aus einem flexiblen Material, das außerdem in bezug auf die Oberfläche des gegenüberliegenden Walzenteils einen hohen Reibungskoeffizienten aufweist, wird auf eine einfache Weise erreicht, daß die Oberflächengeschwindigkeiten aller Walzenteile unabhängig vom Vorhandensein eines Bogens zwischen den Walzen stets gleich sind, so daß während des Bogeneinlaufs keine Beschleunigungen auftreten, die einen Abrieb des Bogens auf den Walzen zur Folge haben können.In that at least one of two each other opposite roll parts a jacket from a Has rubber material, d. H. made of a flexible material, that also with respect to the surface of the opposite roller part a high Having coefficient of friction is done in a simple way achieved that the surface speeds of all Roll parts regardless of the presence of a sheet between the rollers are always the same, so that during the Arc inlet no accelerations occur that one Abrasion of the sheet on the rollers can result.
Die erfindungsgemäße Vorrichtung eignet sich besonders als Auslegertransportwalzenpaar für Druckmaschinen, insbesondere für Bogendruckmaschinen mit hoher Bogenleistung, da selbst bei hohen Fördergeschwindigkeiten keinerlei gleitende Relativbewegungen zwischen den Auslegerwalzen und den Bögen auftreten. Außerdem muß die Druckfarbe im Augenblick des Bogeneinlaufs in die Auslegerwalzen noch nicht vollständig abriebfest geworden sein.The device according to the invention is particularly suitable as Boom transport roller pair for printing machines, in particular for sheetfed presses with high sheet output, since itself no sliding at high conveyor speeds Relative movements between the delivery rollers and the sheets occur. In addition, the ink at the moment of Sheet entry into the delivery rollers is not yet complete have become resistant to abrasion.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung eines Ausführungsbeispiels und aus der Zeichnung, auf die Bezug genommen wird.Further features and advantages of the invention result from the following description of an embodiment and from the drawing to which reference is made.
Darin zeigen:
- Fig. 1
- einen Aus leger einer Bogendruckmaschine von der Seite;
- Fig. 2
- einen Längsschnitt durch ein in dem Ausleger von Fig. 1 verwendetes Transportwalzenpaar;
- Fig. 3
- eine Skizze zur Erläuterung der Bogenversteifung durch
ein Wellenprofil;
und - Fig. 4
- eine Ansicht eines Transportwalzenpaares zur Bogenversteifung nach dem Stand der Technik.
- Fig. 1
- from a sheet printing machine from the side;
- Fig. 2
- a longitudinal section through a pair of transport rollers used in the boom of Figure 1;
- Fig. 3
- a sketch to explain the arch stiffening by a wave profile;
and - Fig. 4
- a view of a pair of transport rollers for sheet stiffening according to the prior art.
An dem in Fig. 1 dargestellten Ausleger einer
Bogendruckmaschine durchläuft ein nicht dargestellter Bogen
zwei parallele Transportwalzen 1, 2 und wird von diesen auf
einen Auslegerstapel 3 geschoben, wo er von hinteren und
seitlichen Geradstoßern 4, 5 mit dem Stapel bündig gemacht
wird. Dabei muß der Bogen über eine weite Strecke "fliegend"
bewegt werden, d. h . ohne eine Führung oder Auflage seines
vorderen Bereichs.On the boom shown in Fig. 1
Sheet printing machine runs through a sheet, not shown
two parallel transport rollers 1, 2 and on these
pushed a boom stack 3, where it from rear and
lateral
Um zu verhindern, daß die Bogenvorderkante absinkt und sich
auf rollt, werden in Kopiergeräten im allgemeinen
Transportwalzenpaare mit unterschiedlichen Durchmessern
verwendet. Ein Abschnitt eines solchen Paares
Transportwalzen 6, 7 ist in Fig. 4 dargestellt und weist
Teile mit größeren und mit kleineren Durchmessern auf, wobei
jeweils Teile mit größerem bzw. kleinerem Durchmesser an der
Transportwalze 6 Teilen mit kleinerem bzw. größerem
Durchmesser an der Transportwalze 7 gegenüberliegen. Die
Transportwalzen 6, 7 versehen einen Bogen 8 quer zu einer
Bogentransportrichtung, die durch einen Pfeil P angezeigt
wird, mit einem Wellenprofil 9, wie in Fig. 3 dargestellt.
Dieses Wellenprofilerzeugt in der Bogentransportrichtung P
eine sehr hohe Steifigkeit, wodurch der Bogen 8 eine weite
Strecke frei "fliegen" kann.To prevent the leading edge of the sheet from sinking and falling
rolls on, in copiers in general
Transport roller pairs with different diameters
used. A section of such a
Da die Teile mit unterschiedlichen Durchmessern der
herkömmlichen Transportwalzen 6 bzw. 7 drehfest miteinander
verbunden sind, weisen sie unterschiedliche
Oberflächengeschwindigkeiten auf.Since the parts with different diameters of
In Fig. 2 ist ein Paar Transportwalzen 10, 11 dargestellt,
die den Transportwalzen 1, 2 von Fig. 1 entsprechen. Jede
Transportwalze 10, 11 weist eine Welle 12 bzw. 13 auf, wobei
die Wellen 12, 13 parallel und in einem Abstand an
Seitenwänden 14, 15 einer Druckmaschine drehbar gelagert
sind. Auf die Welle 12 sind längs ihrer Länge abwechselnd
zylindrische Teile 16 und zylindrische Teile 17 aufgeschoben,
wobei der Durchmesser der Teile 17 etwas kleiner als der
Durchmesser der Teile 16 ist. Auf die Welle 13 sind längs
ihrer Länge abwechselnd zylindrische Teile 18 und
zylindrische Teile 19 aufgeschoben, wobei der Durchmesser der
Teile 19 etwas größer als der Durchmesser der Teile 18 ist.
Die verschiedenen Durchmesser sind entsprechend dem Abstand
der Wellen 12, 13 so gewählt, daß die zylindrischen Teile 16
und 18 einander am Umfang berühren und die zylindrischen
Teile 17 und 19 einander am Umfang berühren.2 shows a pair of
Jeder zylindrische Teil 17, 18 ist drehfest mit der
zugehörigen Welle 12 bzw. 13 verbunden, und jeder
zylindrische Teil 16, 19 ist frei drehbar auf der zugehörigen
Welle 12 bzw. 13 gelagert, z. B. über Kugellager. Jedes
drehfest verbundene zylindrische Teil 17, 18 weist eine
Mantelfläche in Form einer Gummibeschichtung 20 auf, gegen
die die zylindrischen Teile 16 bzw. 19 drücken. Die
zylindrischen Teile 16, 17 bzw. 18, 19 werden jeweils durch
eine Feder 21 in Axialrichtung der Welle 12 bzw. 13
zusammengehalten.Each
Auf einem Ende der Welle 13 ist ein Zahnrad 22 axial
befestigt, das in ein Antriebszahnrad 23 der Druckmaschine
eingreift, und auf dem anderen Ende der Welle 13 ist ein
Zahnrad 24 befestigt, das in ein Zahnrad 25 eingreift, das
auf einem Ende der Welle 12 befestigt ist. Die Zahnräder 24,
25 sind profilverschobene Zahnräder, deren
Wälzkreisdurchmesser gleich dem Durchmesser der zylindrischen
Teile 17 bzw. 18 der Wellen 12 bzw. 13 ist. Als nicht
dargestellte Alternative können die Zahnräder 24 und 25 - bei
gleichbleibenden Verhältnis der Durchmesser - kleinere
Durchmesser als die zylindrischen Teile 17 bzw. 18 aufweisen
und über einen Zahnriemen und ein Zahnrad gekoppelt sein.A
Im Betrieb der Druckmaschine wird die Welle 13 über das
Zahnrad 22 entsprechend der Maschinengeschwindigkeit gedreht,
und das Zahnrad 24 nimmt das Zahnrad 25 und damit die
Welle 13 mit. Wenn sich die Wellen 12, 13 drehen, haben die
zylindrischen Teile 17, 18 mit der Gummibeschichtung 20 die
gleichen Oberflächengeschwindigkeiten, und somit auch die
zylindrischen Teile 16, 19, die stets von den zylindrischen
Teilen 17, 18 mitgenommen werden. Daher weisen die
Transportwalzen 10, 11 auf ihrer gesamten Länge gleiche
Umfangsgeschwindigkeiten auf, und ein dazwischen
transportierter Bogen erhält ein Wellenprofil wie in Fig. 3
gezeigt, ohne daß die Gefahr besteht, daß seine Oberfläche
beschädigt wird.In operation of the printing machine, the
Claims (6)
- Device for sheet transport between two parallel rolls (10, 11) which each have along their length, a plurality of parts of larger and smaller diameters (16, 17, 18, 19), in each case parts of larger diameter of one of the rolls (10, 11) and parts (17, 18) of smaller diameter of the other roll being located opposite one another, characterized in that either the parts of larger diameter (16, 19) or the parts of smaller diameter of each roll (10, 11) are freely rotatably mounted and, during a rotation of the respective other roll, are driven along by those driven parts (17, 18) of the other roll which are located opposite these parts.
- Device according to Claim 1, characterized in that one (10) of the two rolls has, alternately along its length, parts (16) of a first diameter and parts (17) of a second diameter, which is smaller than the first diameter, and the other roll (11) has, alternately along its length, parts (18) of a third diameter and parts (19) of a fourth diameter, which is greater than the third diameter, on the one hand, those parts (16) of the one roll which have the first diameter and those parts (18) of the other roll which have the third diameter and, on the other hand, those parts (17) of the one roll which have the second diameter and those parts (19) of the other roll which have the fourth diameter rolling on one another under pre-stress.
- Device according to Claim 2, characterized in that each roll (10, 11) has a shaft (12, 13) and a plurality of cylindrical elements (16, 17, 18, 19), which form the parts having the various diameters and are alternately firmly connected to the shaft and freely rotatably mounted on the shaft, and in that the two shafts (12, 13) are connected to each other via a gear mechanism (24, 25), whose transmission ratio corresponds to the ratio of the diameter of the cylindrical elements (17) that are firmly connected to the one shaft (12) to the diameter of the cylindrical elements (18) that are firmly connected to the other shaft (13).
- Device according to Claim 3, characterized in that the gear mechanism is formed by two intercoupled gear wheels (24, 25), of which one (24) is firmly connected to one shaft (12) and the other (25) is firmly connected to the other shaft (13).
- Device according to one of the preceding claims, characterized in that at least one of two mutually opposite parts of the rolls has a cover (20) made of a rubber material.
- Device according to one of the preceding claims, characterized in that the two rolls (10, 11) are a pair of deliver rolls for a printing machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19536358A DE19536358A1 (en) | 1995-09-29 | 1995-09-29 | Device for transporting sheets |
| DE19536358 | 1995-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0765834A1 EP0765834A1 (en) | 1997-04-02 |
| EP0765834B1 true EP0765834B1 (en) | 1998-12-16 |
Family
ID=7773606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96115357A Expired - Lifetime EP0765834B1 (en) | 1995-09-29 | 1996-09-25 | Device for sheet feeding |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5927709A (en) |
| EP (1) | EP0765834B1 (en) |
| JP (1) | JPH09142692A (en) |
| CN (1) | CN1149029A (en) |
| AU (1) | AU6589396A (en) |
| DE (2) | DE19536358A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006044198A1 (en) * | 2006-09-15 | 2008-03-27 | Eastman Kodak Company | Flexible, flat goods i.e. sheets, stiffening method for use with printing machine, involves stiffening reworking organ of stiffening shaft during transporting of goods, and laterally providing goods adjacent to shaft ridge run |
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| US7300055B2 (en) * | 2003-04-17 | 2007-11-27 | Kyocera Mita Corporation | Image forming apparatus |
| JP2005247442A (en) * | 2004-03-01 | 2005-09-15 | Murata Mach Ltd | Eject roller device |
| DE102005013756A1 (en) * | 2005-03-22 | 2006-10-05 | Eastman Kodak Company | Sheet transfer device for electrophotographic printer, transfers thick sheet without bending by setting force acting on upper or lower lowers according to weight per unit area of sheet |
| DE102005042036B4 (en) * | 2005-09-02 | 2009-06-25 | Eastman Kodak Co. | Device for depositing sheets |
| FR2920339B1 (en) * | 2007-08-27 | 2010-03-12 | Goss Systemes Graphiques Nante | DEVICE FOR DRIVING ONE OR MORE THREADED BANDS FOR ROTARY PRESS AND ROTARY PRESS |
| JP4889805B2 (en) * | 2010-08-06 | 2012-03-07 | シャープ株式会社 | Sheet conveying apparatus and image forming apparatus having the same |
| CN104494285B (en) * | 2014-12-26 | 2016-11-30 | 青岛玉兰祥商务服务有限公司 | A kind of printed medium clamping guide |
| JP2016124657A (en) * | 2014-12-26 | 2016-07-11 | 株式会社リコー | Recording sheet conveyance device and image formation apparatus using the same |
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| DE3623970A1 (en) * | 1986-07-16 | 1988-01-28 | Leybold Heraeus Gmbh & Co Kg | TRANSPORTATION DEVICE WITH ROLLER SYSTEMS FOR VACUUM COATING SYSTEMS |
| JPS63185767A (en) * | 1987-01-28 | 1988-08-01 | Minolta Camera Co Ltd | Sheet housing device |
| IT210680Z2 (en) * | 1987-04-28 | 1989-01-11 | Rom Srl | EXPULSOR GROUP FOR MACHINES FOR HANDLING SIGNATURES AND RELATED ITEMS, PARTICULARLY MACHINES FOR STACKING SIGNATURES |
| US4780746A (en) * | 1987-07-20 | 1988-10-25 | Xerox Corporation | Idler roll |
| GB8720863D0 (en) * | 1987-09-04 | 1987-10-14 | Unilever Plc | Metalloporphyrins |
| US5029842A (en) * | 1988-12-23 | 1991-07-09 | Harris Graphics Corporation | Signature handling apparatus |
| JPH0323153A (en) * | 1989-06-21 | 1991-01-31 | Konica Corp | Sheet discharge device |
| FR2659257A1 (en) * | 1990-03-08 | 1991-09-13 | Thonney Sa | DEBURRING MACHINE WITH ROTARY DRUM. |
| JPH0445053A (en) * | 1990-06-11 | 1992-02-14 | Canon Inc | Recorder |
| JPH04166956A (en) * | 1990-10-31 | 1992-06-12 | Toshiba Corp | Image forming apparatus |
| JPH04189248A (en) * | 1990-11-20 | 1992-07-07 | Sharp Corp | Paper discharge device for image forming device |
| GB9114469D0 (en) * | 1991-07-04 | 1991-08-21 | Ncr Co | Apparatus for testing the stiffness of a sheet |
| JPH05319657A (en) * | 1992-05-22 | 1993-12-03 | Sharp Corp | Paper discharge device |
| US5280901A (en) * | 1993-03-24 | 1994-01-25 | Xerox Corporation | Sheet variable corrugating and feeding nip |
-
1995
- 1995-09-29 DE DE19536358A patent/DE19536358A1/en not_active Withdrawn
-
1996
- 1996-09-25 DE DE59600989T patent/DE59600989D1/en not_active Expired - Fee Related
- 1996-09-25 EP EP96115357A patent/EP0765834B1/en not_active Expired - Lifetime
- 1996-09-27 AU AU65893/96A patent/AU6589396A/en not_active Abandoned
- 1996-09-27 US US08/722,368 patent/US5927709A/en not_active Expired - Fee Related
- 1996-09-28 CN CN96119877A patent/CN1149029A/en active Pending
- 1996-09-30 JP JP8259427A patent/JPH09142692A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006044198A1 (en) * | 2006-09-15 | 2008-03-27 | Eastman Kodak Company | Flexible, flat goods i.e. sheets, stiffening method for use with printing machine, involves stiffening reworking organ of stiffening shaft during transporting of goods, and laterally providing goods adjacent to shaft ridge run |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0765834A1 (en) | 1997-04-02 |
| JPH09142692A (en) | 1997-06-03 |
| DE19536358A1 (en) | 1997-04-03 |
| US5927709A (en) | 1999-07-27 |
| CN1149029A (en) | 1997-05-07 |
| DE59600989D1 (en) | 1999-01-28 |
| AU6589396A (en) | 1997-04-10 |
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