EP1195265A1 - Vorrichtung zum Zuführen, Zentrieren und Abschneiden eines Heftdrahtes in einer Blattstapel-Hefteinrichtung zwecks Formen einer Heftklammer - Google Patents
Vorrichtung zum Zuführen, Zentrieren und Abschneiden eines Heftdrahtes in einer Blattstapel-Hefteinrichtung zwecks Formen einer Heftklammer Download PDFInfo
- Publication number
- EP1195265A1 EP1195265A1 EP01120780A EP01120780A EP1195265A1 EP 1195265 A1 EP1195265 A1 EP 1195265A1 EP 01120780 A EP01120780 A EP 01120780A EP 01120780 A EP01120780 A EP 01120780A EP 1195265 A1 EP1195265 A1 EP 1195265A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- wire
- stitching
- stitching wire
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F7/00—Nailing or stapling; Nailed or stapled work
- B27F7/17—Stapling machines
- B27F7/19—Stapling machines with provision for bending the ends of the staples on to the work
- B27F7/21—Stapling machines with provision for bending the ends of the staples on to the work with means for forming the staples in the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
- B42B4/00—Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire
Definitions
- the invention relates to a device for feeding, centering and cutting a Stapling wire in a sheet stapler for subsequent forming one Staple, wherein the feeding of the stitching wire from a stitching wire supply means a feed unit on the one hand in lengths, the length of one predetermined stack thickness of a stack of sheets to be stapled and from a signal Sensors for detecting the leading end of the supplied stitching wire are determined, and on the other hand led into position to staple forming means of the stapler takes place in which the supplied, locked by means of a clamping unit and by one Wire cutting unit, cut length of stitching wire symmetrical or is positioned centrally to the center of the staple forming means.
- They are devices for feeding, centering and cutting a stitching wire in a sheet stacking device for the purpose of forming a staple at the beginning known type that are used in duplicating devices.
- DE 197 12 876-A1 discloses a sheet stacking device in which individual Stitch wire sections from a fed stitching wire of a stitching wire supply cut off, positioned centrally to a former and driver, to one Staple formed and driven into a stack of sheets, and one in Depending on the thickness of a sheet stack to be stapled, adjustable stitching wire cutting device is slidably mounted.
- the cutting device intervenes pivotally mounted control lever which engages with a cam unit.
- the cam unit is driven by a one-way clutch, one end of which connected to the cam unit and by a stepper motor of a stitching wire feed unit is drivable.
- the other end of the one-way clutch stands with one Transport wheel engaged for the stitching wire transport.
- the cam unit points Control curve sections that are assigned to different sheet stack thicknesses.
- the stepper motor rotates the in accordance with the measured sheet stack thickness Control unit in a position that the cutting device on the control lever in a position in which the length of the wire section assigned to the sheet stack thickness can be cut off.
- the disadvantage of this disclosed sheet stacking device is that on the one hand Feed the stitching wire by the length and length determined for the sheet stack thickness centering the stitching wire section additionally by means of control sections with the Stepper motor driven control cam under which can be activated by means of a clutch Need to be done using an additional stitch wire backstop and on the other hand the positioning of the cutting device additionally by means of stepper motor controlled control cams must be done what is constructive and Expensive in terms of costs and functional reliability and positioning accuracy is critical.
- the supplied stitching wire only by lifting the backstop and by operating the stepper motor in the opposite direction of rotation be transported.
- the invention is therefore based on the object of a device of the type mentioned To create a type that does not have the disadvantages mentioned, but that is quick, precise and simple work of a sheet stacking device, even in the event of a malfunction in one automated environment, and which is also a simple inexpensive Has structure.
- a device solved that two levers in the area of the Staple forming means are arranged with their first free ends are loosely coupled with each other and are each associated with an associated one Bearing point by feeding the stitching wire and nudging its leading end on second free end of the first of the levers in opposite directions, synchronously and by an equal Amount symmetrical to the staple forming means against a spring force Spring element are pivotable; and that at the second free end of the second lever the wire cutting unit is arranged such that it is by means of the second lever is movable back and forth along the leading end of the stitching wire.
- the two levers are substantially L-shaped, whose Bearing point is arranged in the region of an intersection of their L-legs; their first mutually pointing L-legs first free ends of the levers with coupling means have, by means of which the levers are operatively connected to each other; and their second substantially parallel to each other running L-legs second free ends of the Have levers.
- the second lever has shorter first and second than the first lever Leg lengths on to the one hand the leading end of the stitching wire at the second end of the second lever over to the second end of the first lever and around on the other hand, a shorter one due to the shortened length of the second leg To compensate for the swing of the second end of the second lever.
- the second end of the second lever is advantageously a first electrical switch contact of the sensor for detecting the stitching wire guide end executed, the second electrical switching contact by means of the supplied Leading end of the stitching wire is formed, and is by means of the stitching wire feed unit a microprocessor-controlled stepper motor of a drive unit, the required length of the stitching wire length section by a predetermined Number of steps of the stepper motor from when the stitching wire guide end is gripped the sensor can be determined.
- FIGS. 1 to 4 relate to a preferred one Embodiment of the device 1 for feeding, centering and Cutting a stitching wire W in a sheet stapler.
- the device is here in a duplicating device of a known type, such as a copier arranged.
- the device according to the invention is part of a commercially available, in part not detailed described and illustrated stapling device for feeding the stitching wire W from a conventional stitching wire supply, not shown, and cutting off a length of stitching wire WS, as well as for forming and driving staples into one Sheet stack ST.
- the sheet stack stapling device shown in FIGS. 1 to 3 has a stapling head on the one hand the device 1 according to the invention, as well as with a feed unit 2 for the Stitching wire W, a wire cutting unit 5, a clamping unit 4 for the stitching wire length section WS and staple-forming means 3 for the cut Tack wire length section, and on the other hand shows a common, schematic shown anvil unit 9 with a support surface for the sheet stack ST to be stapled, wherein the anvil unit 9 is a conventional bending unit, not shown, for through the Has stacks of sheets driven ends of the staple.
- the stitching wire feed unit 2 arranged on a chassis 6 of the stitching device, one driven by a microprocessor-controlled drive unit 8 Transport roller 21 and pressure roller 22 for the stitching wire transport, as well as a Input tube 23 for guiding the stitching wire W in front and an insertion funnel 24 Guide tube 25 and a wire guide sleeve 26 after the rollers 21; 22.
- Feeding the Stitching wire W by means of the feed unit takes place in length sections WS, the Length of a predetermined stack thickness of the sheet stack ST to be stapled and a signal from a sensor 10 for detecting a leading end WE of the supplied Stapling wire are determined, the feeding of the stapling wire W in a position to the Staple-forming means 3 of the stapler takes place in which the by means of Clamping unit 4 locked and cut from the wire cutting unit 5 stitching wire length section WS is positioned centrally to the center of the staple forming means.
- the stitching wire feed unit 2 is controlled by a microprocessor Stepper motor 80 of the drive unit 8 can be driven, the length required in each case of the stitching wire length section WS by a predetermined number of steps of Stepper motor 80, from detection of the stitching wire leading end WE by the sensor 10, is determinable.
- the usual clamping unit 4 and staple-forming means 3 are centered on the vertical central axis or Axis of symmetry A of the stapling device and arranged at right angles to the center of the stitching wire length section WS fed through the straightening sleeve 26 on the chassis 6 and at its upper end by means of first and second control cams also arranged on the chassis 6 and driven by the drive unit 8 of the stitching wire feed unit 2 71; 72 of the control cam unit 7 can be actuated in a known manner for clamping the length of stitching wire WS, for shaping the staple and for driving it into the sheet stack ST.
- the device 1 has, as shown in particular in Figures 3 and 4, for centering the Staple wire length section WS two levers 11; 12 in the area to the side of the staple forming means 3, with their first free ends 11.1; 12.1 loose with each other coupled in operative connection and each one assigned to the chassis arranged bearing point 13; 14 by feeding the stitching wire W and abutting whose leading end WE at the second free end 11.2 of the first of the levers 11 opposite, synchronous and symmetrical to the staple forming means by an equal amount are pivotable against a spring force of a spring element 15.
- the wire cutting unit 5 which is largely carried out in the usual way, is on second free end 12.2 of the second lever 12 of the device 1 arranged such that for cutting the length of the stitching wire WS depending on the Sheet stack thickness, the wire cutting unit 5 by means of the second lever 12 along the Length section WS of the stitching wire W is movable back and forth.
- the two levers 11, 12 are essentially L-shaped, their associated Bearing point 13; 14 is arranged in the region of an intersection of their L-legs.
- Each bearing point 13; 14 has one arranged on the chassis 6 of the stapling device Bearing pin 13; 14 on which the respective lever 11; 12 by means of its Bearing bore 11.0; 12.0 is pivotally mounted.
- First mutually pointing L-legs of the two levers 11, 12 have their first free ones Ends 11.1; 12.1 coupling means 11.3; 12.3, by means of which the levers interlock Active connection.
- the coupling means have on one of the levers 11 to Bearing points extending slot 11.3 and on the other lever 12 through the Elongated cylindrical guide pin 12.3.
- Second L-legs running essentially parallel to each other have the second free ends 11.2; 12.2 of the first and second levers 11; 12.
- the second lever 12 has shorter first and second arms than the first lever 11 Leg lengths on, on the one hand, the leading end WE of the stitching wire W from the Straightening sleeve starting from the second end 12.2 of the second lever 12 over to the second End 11.2 of the first lever 11 to be able to lead and on the other hand through the shortened length of the second leg means shorter swivel path or To compensate for the pivoting amount of the second end 12.2 of the second lever 12.
- the second end 11.2 of the first lever 11 is a first electrical switch contact 10.1 of the sensor 10 for detecting the stitching wire guide end WE, the second electrical switching contact by means of the leading end WE of the stitching wire W is formed, the stitching wire W over the wire guide sleeve 26 with a Ground connection of a power supply unit of the copier can be connected or connected is.
- the wire cutting unit 5 is with its guide part 54 in a on the chassis 6 Sheet stack stapler arranged linear guide rail 61 of known type Can be moved horizontally and at right angles to the symmetry axis A of the stapler appropriate; and by means of one attached to it and through an elongated hole 12.4 on the second End region 12.2 of the second lever 12 projecting cylinder bolt 51 loosely with the second Lever 12 coupled and thus in operative connection with it, the elongated hole itself along a length of the second lever from its end 12.2 towards Bearing point 14 extends (see Fig. 4).
- the wire cutting unit 5 is on the one hand after being moved into the by the Sheet stack thickness predetermined position, which by feeding the stitching wire around the required length section Ws is effected by means of the cam disks 71; 72 controlled, conventional plunger means 73 of the stapling device, and on the other hand the upper one, arranged on the holding block 55 of the wire cutting unit 5 Cutting knife 52 by means of the plunger means 73 in the usual way against a lower one fixed cutting knife 53 of the holding block vertically movable.
- the spring element 15 is designed as a leg spring 15, which is pivotally mounted on the bearing pin 14 of the second lever 12; being their first Spring legs 15.1 on a chassis part 81 of the stitching device or the drive unit 8 is locked and the second spring leg 15.2 on the second lever 12 in the area its second end 12.2 engages the cylinder bolt 51 of the wire cutting unit, such that both levers 11; 12 with their second by the spring force of the leg spring 15 free ends 11.2; 12.2 against each other in the direction of the axis of symmetry A in one Initial position are held or can be brought into the initial position.
- 2 is the leg spring for free pivoting and guidance with its between the first and second spring legs arranged on the bearing pin 14th between a lower guide flange 14.1 and an upper guide flange 14.2 fixed at the upper end of the bearing pin 14 arranged.
- the device works as follows:
- the stitching wire W is by means of the stepper motor 80 controlled by the program driven transport 21 and pressure roller 22 of the feed unit 2 with its Leading end WE until electrical contact with the wire straightening sleeve 26 transported.
- the stitching wire WS by means of Feed unit 2 and the microprocessor-controlled stepper motor 80 to the electrical Contacting the leading end WE of the stitching wire with the switch contact 10.1 of the Sensor 10 at the second end 11.2 in the starting position or starting position located first lever 11 of the device 1 according to the invention.
- the stitching wire feeder by uncoupling the transport roller 21 from the stepper motor 80 and blocking the Transport roller 21 stopped, this with a conventional, not shown Coupling unit is done.
- control cam unit 7 is coupled and by means of the coupling unit thus by operating the clamping unit 4, the wire cutting unit 5 and the Staple shaping / driving-in means 3 by means of the cam discs 71, 72 and the Tappet means 73 in the usual way, the stitching wire length section WS and clamped cut off, and the staple shaped and sharpened with its two End sections driven by the sheet stack and from bending jaws of the anvil unit 9 bent.
- the sheet stack ST has a greater thickness, for which a larger length of stitching wire required to form a staple with longer end sections is, the stitching wire W by means of the feed unit 2 until the necessary length by the required number of steps from microprocessor-controlled stepper motor 80 transported or supplied.
- the clamping unit 5 with its lower / upper clamping jaws 41; 42, the Staple forming / driving means with their first / second mold jaws 32; 33 and Driver 31, and on the other hand the two levers 11, 12 and the wire cutting unit 5 by means of the control cam unit 7 and drive unit 8 back to their starting position brought back.
- the cam unit 7 is uncoupled from the drive unit 8, the stitching wire feed unit 2 is coupled again for the renewed stitching wire feeding and the functional sequence described above, if requested, started again.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
Description
- Fig. 1
- die erfindungsgemäße Vorrichtung an einer teilweise dargestellten Blattstapel-Hefteinrichtung mit Heftdraht-Zuführeinheit, Drahtabschneideinheit und Heftklammer-Formungsmittel in einer räumlichen Darstellung,
- Fig. 2
- die erfindungsgemäße Vorrichtung nach Fig. 1 in einer vergrößerten teilweise geöffneten Teilansicht,
- Fig. 3
- die erfindungsgemäße Vorrichtung nach Fig. 1 in einer Frontansicht,
- Fig.4
- die erfindungsgemäße Vorrichtung nach Fig. 3 mit Hebelsystem in Einzelteildarstellung.
Symmetrieachse A der Hefteinrichtung und rechtwinklig zentrisch zum durch die Richthülse 26 zugeführten Heftdraht-Längenabschnitt WS am Chassis 6 geführt angeordnet und an ihrem oberen Ende mittels von der Antriebseinheit 8 der Heftdraht-Zuführeinheit 2 gemeinsam angetriebenen, auf dem Chassis 6 ebenfalls angeordneten ersten und zweiten Steuerkurven 71;72 der Steuerkurveneinheit 7 in bekannter Weise zum Klemmen des Heftdraht-Längenabschnitts WS, zum Formen der Heftklammer und zum Eintreiben in den Blattstapel ST betätigbar.
- A
- Symmetrieachse der Blattstapel-Hefteinrichtung
- ST
- Blattstapel
- W
- Heftdraht
- WE
- Führungsende des Heftdrahtes
- WS
- Längenabschnitt des Heftdrahtes zur Formung einer Heftklammer
- 1.
- Vorrichtung zum Zentrieren und Abschneiden eines Heftdraht-Längenabschnittes
- 2.
- Zuführeinheit für den Heftdraht
- 3.
- Heftklammer-Formungsmittel
- 4.
- Klemmeinheit für Heftdraht-Längenabschnitt
- 5.
- Drahtabschneideinheit
- 6.
- Chassis der Blattstapel-Hefteinrichtung
- 7.
- Steuerkurveneinheit
- 8.
- Antriebseinheit für Heftdraht-Zuführeinheit und Steuerkurveneinheit
- 9.
- Amboßeinheit der Blattstapel-Hefteinrichtung
- 10.
- Sensor für Führungsende des Heftdrahtes
- 10.1
- erster Schaltkontakt des Sensors /Kontaktstelle am 1. Ende des 1. Hebels
- 10.2
- zweiter Schaltkontakt des Sensors /Führungsende des Heftdrahtes
- 10.3
- elektrische Signalleitung
- 11.
- erster L-förmiger Hebel der Vorrichtung
- 11.0
- Lagerbohrung am ersten Hebel
- 11.1
- erstes freies Ende des ersten Hebels
- 11.2
- zweites freies Ende des ersten Hebels
- 11.3
- Koppelmittel für Hebel / Langloch am ersten Ende des ersten Hebels
- 11.4
- Koppelmittel für Drahtabschneideinheit /Langloch am zweiten Hebelende
- 12.
- zweiter L-förmiger Hebel der Vorrichtung
- 12.1
- erstes freies Ende des zweiten Hebels
- 12.2
- zweites freies Ende des zweiten Hebels
- 12.3
- Koppelmittel für Hebel /Führungsstift am ersten Ende des zweiten Hebels
- 12.4
- Koppelmittel für Drahtabschneideinheit /Langloch am zweiten Hebelende
- 13.
- Lagerstelle /Lagerbolzen für ersten Hebel
- 14.
- Lagerstelle /Lagerbolzen für zweiten Hebel
- 14.1
- unterer Führungsflansch für zweiten Hebel
- 14.2
- oberer Führungsflansch für Federelement
- 15.
- Federelement /Schenkelfeder für Hebel
- 15.1
- erster Federschenkel des Federelements
- 15.2
- zweiter Federschenkel des Federelements
- 21.
- Transportrolle für Heftdraht-Transport an Heftdraht-Zuführeinheit
- 22.
- Andruckrolle für Heftdraht-Transport an Heftdraht-Zuführeinheit
- 23.
- Draht-Eingangsrohr
- 24.
- Draht-Einführungstrichter
- 25.
- Draht-Leitrohr
- 26.
- Draht-Richthülse
- 27.
- Heftklammer-Eintreiber
- 28.
- erster Heftklammer-Formbacken
- 29.
- zweiter Heftklammer-Formbacken
- 30.
- untere Heftdraht-Klemmbacke
- 31.
- obere Heftdraht-Klemmbacke
- 32.
- Zylinderbolzen an Drahtabschneideinheit
- 33.
- oberes Schneidmesser
- 34.
- unteres Schneidmesser
- 35.
- Führungsteil der Drahtabschneideinheit
- 36.
- Halteblock für Schneidmesser
- 37.
- Führungsschiene für Drahtabschneideinheit
- 38.
- erste Steuerkurvenscheibe
- 39.
- zweite Steuerkurvenscheibe
- 40.
- Stößelmittel an erster Steuerkurvenscheibe (für oberes Schneidmesser)
- 80.
- Antriebsmotor
- 81.
- Trägerplatte für Antriebseinheit
- 82.
- Arretierbohrung für ersten Federschenkel des Federelementes
Claims (10)
- Vorrichtung (1) zum Zuführen, Zentrieren und Abschneiden eines Heftdrahtes (W) in einer Blattstapel-Hefteinrichtung zwecks nachfolgendem Formen einer Heftklammer, wobei das Zuführen des Heftdrahtes von einem Heftdraht-Vorrat mittels einer Zuführeinheit (2) einerseits in Längenabschnitten (WS) erfolgt, deren Länge von einer vorbestimmten Stapeldicke eines zu heftenden Blattstapels (ST) und von einem Signal eines Sensors (10) zur Erfassung eines Führungsendes (WE) des zugeführten Heftdrahtes bestimmt sind, und andererseits in eine Position zu Heftklammer-Formungsmitteln (3) der Hefteinrichtung erfolgt, in der der zugeführte, mittels einer Klemmeinheit (4) arretierte und von einer Drahtabschneideinheit (5) abgeschnittene Heftdraht-Längenabschnitt zentrisch zur Mitte der Heftklammer-Formungsmittel positioniert ist,
dadurch gekennzeichnet,dass zum Zentrieren des Heftdraht-Längenabschnitts (WS) zwei Hebel (11;12) im Bereich der Heftklammer-Formungsmittel (3) angeordnet sind, die mit ihren ersten freien Enden (11.1;12.1) miteinander lose gekoppelt in Wirkverbindung stehen und jeweils um eine zugeordnete Lagerstelle (13;14) durch Zuführen des Heftdrahtes (W) und Anstoßen von dessen Führungsende (WE) am zweiten freien Ende (11.2) des ersten der Hebel (11) gegenläufig, synchron und um einen gleichen Betrag symmetrisch zu den Heftklammer-Formungsmitteln gegen eine Federkraft eines Federelementes (15) verschwenkbar sind, unddass zum Abschneiden des Heftdraht-Längenabschnitts (WS) am zweiten freien Ende (12.2) des zweiten Hebels (12) die Drahtabschneideinheit (5) angeordnet ist, derart, dass diese mittels des zweiten Hebels längs des Längenabschnitts des Heftdrahtes hin und her bewegbar ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass die beiden Hebel (11;12) im wesentlichen L-förmig ausgebildet sind, deren Lagerstelle (13;14) jeweils im Bereich eines Schnittpunktes ihrer L-Schenkel angeordnet ist; erste zueinander zeigende L-Schenkel die erste freie Enden (11.1;12.1) der Hebel mit Koppelmittel (11.3;12.3) aufweisen, mittels denen die Hebel miteinander in Wirkverbindung stehen; und zweite im wesentlichen parallel nebeneinander verlaufende L-Schenkel die zweite freie Enden (11.;12.2) der Hebel aufweisen. - Vorrichtung nach Anspruch 2,
dadurch gekennzeichnet, dass jede Lagerstelle (13; 14) einen am Chassis (6) der Hefteinrichtung angeordneten Lagerbolzen (13;14) aufweist, auf dem der jeweilige Hebel (11;12) mittels seiner Lagerbohrung (11.0;12.0) schwenkbar gelagert ist; und die Koppelmittel an einem der Hebel (11) ein zu den Lagerstellen hin sich erstreckendes Langloch (11.3) und am anderen Hebel (12) ein durch das Langloch ragenden zylindrischen Führungstift (12.3) aufweisen. - Vorrichtung nach Anspruch 1 oder 3,
dadurch gekennzeichnet, dass der zweite Hebel (12) gegenüber dem ersten Hebel (11) kürzere erste und zweite Schenkellängen aufweist, um einerseits das Führungsende (WE) des Heftdrahtes (W) am zweiten Ende (12.2) des zweiten Hebels (12) vorbei zum zweiten Ende (11.2) des ersten Hebels (11) führen zu können und um andererseits einen durch die verkürzte Länge des zweiten Schenkels bedingten kürzeren Schwenkweg des zweiten Endes (12.2) des zweiten Hebels (12) zu kompensieren. - Vorrichtung nach Anspruch 1 oder 4,
dadurch gekennzeichnet, dass das zweite Ende (11.2) des ersten Hebels (11) als ein erster elektrischer Schaltkontakt (10.1) des Sensors (10) zum Erfassen des Heftdraht-Führungsendes (WE) ausgeführt ist, dessen zweiter elektrischer Schaltkontakt mittels des zugeführten Führungsendes (WE) des Heftdrahtes (W) gebildet wird. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass das im Bereich des zweiten Endes (11.2) des ersten Hebels (11) eine im wesentlichen konische Vertiefung (10.1) zur Führung und Aufnahme des zugeführten Heftdraht-Führungsendes (WE) angeordnet ist, die zudem an ihrem Grund, einer tiefsten Stelle als elektrische Kontaktstelle (10.1) des Sensors (10) ausgebildet ist. - Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet, dass das Federelement (15) als eine Schenkelfeder (15) ausgebildet ist, die auf dem Lagerbolzen (14) des zweiten Hebels (12) lagert; wobei deren erster Federschenkel (15.1) an einem Chassisteil (81) der Hefteinrichtung arretiert ist und deren zweiter Federschenkel (15.2) an dem zweiten Hebel im Bereich seines zweiten Endes (12.2) angreift, derart, das durch die Federkraft der Schenkelfeder (15) beide Hebel (11;12) mit ihren zweiten freien Enden (11.2;12.2) gegeneinander in Richtung zur Symmetrieachse (A) in einer Anfangsstellung gehalten werden. - Vorrichtung nach Anspruch 1, 4 oder 7,
dadurch gekennzeichnet, dass die Drahtabschneideinheit (5) in einer an der Blattstapel-Hefteinrichtung angeordneten linearen Führungsschiene (61) verschiebbar angebracht ist; und mittels eines an ihr angebrachten und durch ein Langloch (12.4) am zweiten Endbereich (12.2) des zweiten Hebels (12) ragenden Zylinderbolzens (51) lose mit dem zweiten Hebel (12) gekoppelt und damit in Wirkverbindung mit diesem steht, wobei das Langloch sich längs einer Längenausdehnung des zweiten Hebels erstreckt. - Vorrichtung nach Anspruch 8,
dadurch gekennzeichnet, dass die Drahtabschneideinheit (5) einerseits nach ihrem Verschieben durch Zuführen des Heftdrahtes (W) in die durch die Blattstapeldicke vorbestimmte Position, mittels von Kurvenscheiben (71;72) gesteuerten Stößelmitteln (73) einer Steuerkurveneinheit (7) der Hefteinrichtung arretierbar ist; und andererseits ein oberes Schneidmesser (52) der Drahtabschneideinheit (5) mittels den Stößelmitteln (73) gegen ein unteres feststehendes Schneidmesser (53) bewegbar ist. - Vorrichtung nach Anspruch 1, 6 oder 8,
dadurch gekennzeichnet, dass die Heftdraht-Zuführeinheit mittels eines mikroprozessorgesteuerten Schrittmotors (80) einer Antriebseinheit (8) antreibbar ist, wobei die jeweils erforderliche Länge des Heftdraht-Längenabschnitts (WS) durch eine vorbestimmte Anzahl von Schritten des Schrittmotors, ab Erfassen des Heftdraht-Führungsendes (WE) durch den Sensor (10), bestimmbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10049471 | 2000-10-06 | ||
DE10049471A DE10049471A1 (de) | 2000-10-06 | 2000-10-06 | Vorrichtung zum Zuführen, Zentrieren und Abschneiden eines Heftdrahtes in einer Blattstapel-Hefteinrichtung zwecks Formen einer Heftklammer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1195265A1 true EP1195265A1 (de) | 2002-04-10 |
EP1195265B1 EP1195265B1 (de) | 2006-04-19 |
Family
ID=7658862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01120780A Expired - Lifetime EP1195265B1 (de) | 2000-10-06 | 2001-09-10 | Vorrichtung zum Zuführen, Zentrieren und Abschneiden eines Heftdrahtes in einer Blattstapel-Hefteinrichtung zwecks Formen einer Heftklammer |
Country Status (4)
Country | Link |
---|---|
US (1) | US6869005B2 (de) |
EP (1) | EP1195265B1 (de) |
AT (1) | ATE323605T1 (de) |
DE (2) | DE10049471A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042517A1 (de) * | 2005-09-07 | 2007-03-08 | Heidelberger Druckmaschinen Ag | Heftvorrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4416046A (en) * | 1979-04-27 | 1983-11-22 | Xerox Corporation | Method of binding sheets using stitchers |
DE3614320A1 (de) * | 1986-04-28 | 1987-10-29 | Nagel Ernst Gmbh Co Kg | Heftvorrichtung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3642187A (en) * | 1970-05-14 | 1972-02-15 | Flynn & Emrich Co | Stitching head |
US5018656A (en) | 1987-07-20 | 1991-05-28 | Xerox Corporation | Stapling apparatus |
US5106066A (en) * | 1990-11-01 | 1992-04-21 | Eastman Kodak Company | Stapling system feed mechanism |
DE19712862C2 (de) * | 1997-03-27 | 2001-02-01 | Eastman Kodak Co | Vorrichtung zum Zuführen des Drahtanfangs von einer Heftdraht-Vorratsrolle zu einer Heftvorrichtung für Blattstapel |
DE19712863C2 (de) * | 1997-03-27 | 2001-01-25 | Eastman Kodak Co | Verfahren und Vorrichtung zum Betreiben eines Geräts zum Heften von Blättern |
DE19712876B4 (de) * | 1997-03-27 | 2005-03-17 | Nexpress Solutions Llc | Heftvorrichtung |
DE19756119B4 (de) * | 1997-03-27 | 2005-04-28 | Nexpress Solutions Llc | Heftvorrichtung |
-
2000
- 2000-10-06 DE DE10049471A patent/DE10049471A1/de not_active Withdrawn
-
2001
- 2001-09-10 AT AT01120780T patent/ATE323605T1/de not_active IP Right Cessation
- 2001-09-10 DE DE50109538T patent/DE50109538D1/de not_active Expired - Fee Related
- 2001-09-10 EP EP01120780A patent/EP1195265B1/de not_active Expired - Lifetime
- 2001-10-03 US US09/970,240 patent/US6869005B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4416046A (en) * | 1979-04-27 | 1983-11-22 | Xerox Corporation | Method of binding sheets using stitchers |
DE3614320A1 (de) * | 1986-04-28 | 1987-10-29 | Nagel Ernst Gmbh Co Kg | Heftvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
ATE323605T1 (de) | 2006-05-15 |
DE10049471A1 (de) | 2002-04-11 |
US6869005B2 (en) | 2005-03-22 |
DE50109538D1 (de) | 2006-05-24 |
US20020096549A1 (en) | 2002-07-25 |
EP1195265B1 (de) | 2006-04-19 |
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