EP0045872B1 - Hand labeller - Google Patents

Hand labeller Download PDF

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Publication number
EP0045872B1
EP0045872B1 EP81105689A EP81105689A EP0045872B1 EP 0045872 B1 EP0045872 B1 EP 0045872B1 EP 81105689 A EP81105689 A EP 81105689A EP 81105689 A EP81105689 A EP 81105689A EP 0045872 B1 EP0045872 B1 EP 0045872B1
Authority
EP
European Patent Office
Prior art keywords
return
carrier tape
feed roll
tape
operating lever
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
Application number
EP81105689A
Other languages
German (de)
French (fr)
Other versions
EP0045872A1 (en
Inventor
Günter Holland-Letz
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.)
Esselte Pendaflex Corp
Original Assignee
Esselte Pendaflex Corp
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 Esselte Pendaflex Corp filed Critical Esselte Pendaflex Corp
Priority to AT81105689T priority Critical patent/ATE10180T1/en
Publication of EP0045872A1 publication Critical patent/EP0045872A1/en
Application granted granted Critical
Publication of EP0045872B1 publication Critical patent/EP0045872B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C11/00—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles
    • B65C11/02—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment
    • B65C11/0205—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment modified for the application of labels to articles
    • B65C11/021—Manually-controlled or manually-operable label dispensers, e.g. modified for the application of labels to articles having printing equipment modified for the application of labels to articles label feeding from strips
    • B65C11/0215—Labels being adhered to a web
    • B65C11/0236—Advancing the web by a cog wheel
    • B65C11/0247—Advancing the web by a cog wheel by actuating a handle manually

Definitions

  • the invention relates to a hand-held labeling device according to the preamble of claim 1.
  • the printing of the self-adhesive labels takes place in a printing zone which is two label lengths away from the dispensing edge counter to the forward direction of the carrier tape.
  • the self-adhesive label which is brought into the dispensing position in one work cycle, in which it can be attached to an object, has already been printed in the previous work cycle.
  • the label After the label has been attached to an object, there is already a label with a print on the device before the start of the next work cycle. If the label to be applied is now changed, this label must be removed from the device so that only labels with the changed label are attached to objects. Since the prints on the labels are usually sales prices, the presence of such a label with an old price label is highly undesirable, since the price of items can be incorrect if the label already printed is removed after a price change is forgotten from the device.
  • the invention has for its object to design a device of the type described in such a way that even with a greater distance between the dispensing edge and the printing zone after the end of a working cycle, there is no already printed but not yet dispensed self-adhesive label in the device.
  • the carrier tape with the self-adhesive labels adhering to it is transported in each work cycle by performing a so-called vocational step movement, which means that the label located on the dispensing edge is first brought back to the printing zone, after which it is then returned to the dispensing edge and beyond until after the printing process is transported to the dispensing position in the forward direction.
  • the device 1 shows a hand-held labeling device 1, with the aid of which self-adhesive labels adhering to a carrier tape can be printed and dispensed for application to an object.
  • the device 1 has an operating lever 2 which is pivotably mounted about an axis 4 which is fixedly connected to the device housing 3 between the rest position shown in FIG. 1 and a pivoted-in position in which it is pulled against the handle 5 fixed to the housing.
  • a shaft 6 mounted on the upper side of the housing serves to receive a carrier tape supply roll 7.
  • the carrier tape with its self-adhesive labels adhering to it reaches a dispensing edge which is at the bottom left in the illustration of FIG. 1 and on which in each working cycle, ie at a pivoting of the operating lever 2 from the rest position to the working position and back to the rest position, a self-adhesive label detaches from the carrier tape, and reaches a dispensing position in which it can be attached to an object.
  • a self-adhesive label 8 is shown in the dispensing position.
  • the operating lever 2 which can be pivoted about the axis 4, is also shown schematically, which has a toothed segment 9, with the aid of which its pivoting movement can be used to drive the actual transport elements.
  • the toothed segment 9 is in engagement with a pinion 10, which sits on a shaft 11 in a rotationally fixed manner.
  • a gear 12 is rotatably connected, which is rigidly connected to the type wheel 13 of a rotary printing unit Nes tooth segment 14 combs.
  • the type wheel 13 and the toothed segment 14 are rotatably supported about an axis 14a.
  • the type wheel 13 has a printing segment 15 in which the printing types are located which are intended to produce an impression in a printing zone 16 on a self-adhesive label 8 on the carrier tape 17.
  • the print types can be numbers, letters or, if a barcode is to be printed, line-shaped types with different widths.
  • the type wheel 13 is composed of a plurality of disks, each of which is provided with printing types on its peripheral surface. By rotating the individual disks about the axis 14a, the individual printing types can be moved to the printing segment 15, so that printing types of adjacent disks can be compiled in this manner in any manner.
  • the carrier tape 17 is guided with the self-adhesive labels 8 adhering to it from the supply roll 7 via a spring plate 18, which keeps the carrier tape 17 taut, to a roller 19 which presses it against the circumferential surface of the type wheel 13 under the action of a spring 20.
  • a cover plate 21 is attached, so that the roller 19, the carrier tape 17 with the self-adhesive labels 8 does not directly against the type wheel circumferential surface, but against that on the mentioned area of this circumferential surface attached cover plate 21 presses.
  • the carrier tape 17 is further passed between a pressure roller 22 which engages with the type wheel 13 via a toothed connection and the type wheel 13, and then reaches a dispensing edge 23.
  • a pressure roller 22 which engages with the type wheel 13 via a toothed connection and the type wheel 13, and then reaches a dispensing edge 23.
  • the self-adhesive labels 8 detach from the carrier tape 17 so that they reach the dispensing position.
  • a self-adhesive label 8 in the dispensing position is shown in dashed lines in FIG. 2.
  • the carrier belt 17 then continues to a transport roller 25, around which it is guided with a relatively large wrap angle.
  • the transport roller 25 is provided with projections 26 which engage in slot-shaped recesses in the carrier belt 17.
  • the slots in the carrier tape 17 are arranged at a distance from one another which corresponds to the length of a self-adhesive label 8.
  • the projections 26 on the transport roller 25 are mounted exactly at a distance from the slots in the carrier belt 17, so that the carrier belt 17 assumes a precisely defined position in the course of the individual operating cycles of the device when the projections 26 are in engagement with the slots in the carrier belt 17.
  • worm springs 27 are provided which are guided around rollers 28, 29, 30 and 31 and loop around the transport roller 25 as well as the carrier belt 17.
  • the carrier tape 17 is passed between the peripheral surface of the transport roller 25 and the worm springs 27.
  • the transport roller 25 is assigned a backstop 32 which is fixedly connected to the device housing 3 and occupies the position shown in FIGS. 2 and 3.
  • the backstop 32 contains a backward locking member 33, which consists of a spring-loaded ball.
  • This return locking member 33 cooperates with locking teeth 34 which are attached to an inwardly facing peripheral surface of the transport roller 25.
  • the backstop 32 allows the transport roller 25 to rotate in a clockwise direction, while, due to the locking teeth 34, it opposes a counterclockwise rotation.
  • the transport roller 25 can only be rotated counterclockwise if the spring force exerted on the return locking member 33 is overcome.
  • the return locking member 33 then practically jumps over the locking tooth 34, so that the transport roller 25 can continue to rotate freely until the next locking tooth 34 comes into contact with the return locking member 33.
  • a drive wheel 36 which is shown in section in FIG. 4, is rotatably seated on the axis 35 on which the transport roller 25 is rotatably mounted. If it is taken into account that the transport roller 25 is viewed in the direction of the arrow 37 shown in FIG. 4 in FIGS. 2 and 3, then the drive wheel 36 is seated on the rear of the transport roller 25 in the representations of FIGS. 2 and 3.
  • the drive wheel 36 can be rotated via the gear 12 and the toothed segment 9 by pivoting the operating lever 2.
  • the connection between the drive wheel 36 and the transport roller 25 is formed by a directional lock which contains feed pawls 38 which are rigidly connected to the drive wheel 36 and cooperate with feed ratchet teeth 39 on the transport roller 25.
  • This directional lock permits the transport roller 25 to be rotated clockwise while the drive wheel 36 is held in the view of FIG. 2 and FIG. 3, while preventing rotation counterclockwise. It should be noted here that these directions of rotation in the views of FIG. 5 and FIG. 6 are reversed, since in these figures the transport roller is viewed from the rear with respect to FIGS. 2 and 3. In FIGS. 5 and 6, the directional lock thus permits a relative rotation of the transport roller 25 with respect to the drive wheel 36 in the counterclockwise direction, while preventing rotation in the clockwise direction.
  • FIG. 5 and 5 show that not only the forward pawls 38 are rigidly connected to the drive wheel, but also a return pawl 40 which cooperates with drive teeth 41 on an inner circumferential surface of the transport roller 25.
  • the transport roller 25 is driven clockwise by means of the return pawl 40 when the return pawl 40 is in the course of the rotation of the drive wheel 36 encounters a return drive tooth -41.
  • the transport roller 25 sits between two walls 42 and 43, which are firmly connected to the device housing 3.
  • the wall 42 there is an opening 44, the circumference of which, with the exception of a limited circumferential area, is described by a circle around the axis 35 of the transport roller 25.
  • the circumference of the opening 44 deviates from the circular shape in its lower circumferential region and forms a control surface 45, the distance from the axis 35 of which is smaller than at the remaining regions of the opening circumference.
  • the function of this control surface 45 can be seen when viewing FIG. 4 in conjunction with FIGS. 5 and 6.
  • the return pawl 40 protrudes laterally out of the right end face of the transport roller 25.
  • the drive elements assume the basic positions shown in FIG. 2.
  • the basic positions of the forward pawls 38 and the return pawl 40 are shown in FIG. 5.
  • the toothed segment 9 moves counterclockwise about the axis 4, so that the pinion 10, which is in engagement with the toothed segment 9, rotates clockwise in the view of FIG. 2 .
  • the gear 12, which is non-rotatably connected to the axis 11 of the pinion rotates clockwise, so that the type wheel 13 is also rotated counterclockwise by means of the toothed segment 14 rigidly connected to it.
  • Gear 12 also rotates drive gear 36 counterclockwise in the illustration of FIG. 2 (clockwise in the illustration of FIG. 5), with the result that the forward pawls 38 rotate clockwise in the view of FIG. 5 begin to remove the ratchet teeth 39.
  • the carrier tape 17 is pulled in the return direction, ie in the direction of the carrier tape supply roll 7, by frictional engagement due to the action between the roller 19 and the cover plate 21 attached to the type wheel circumference, this pulling force also moves the transport roller 25 in FIG. 2 counterclockwise. This means practically that the transport roller 25 follows the rotation of the drive wheel 36.
  • the relative position of the forward pawls 38 and the drive wheel 36 to the transport roller 25 does not change as a result.
  • the transport roller 25 can only follow the movement of the drive wheel 36 until the return locking member 33 comes into contact with the next locking tooth 34.
  • the backward movement of the carrier tape 17 takes place until the edge 46 of the self-adhesive label 8 adjacent to the dispensing edge 23 lying in the return direction has been pulled back to the printing zone 16.
  • the backward transport path in this initial phase is approximately half a label length.
  • the type wheel 13 also rotates the pressure roller 22 via a toothed connection, which has a circumferential section 47 with a larger radius and a circumferential section 48 with a smaller radius.
  • the larger radius is dimensioned such that it is exactly equal to the distance of the axis of rotation 49 of the pressure roller 22 from the circumference of the type wheel.
  • the axis of rotation 49 of the pressure roller 22 is loaded with a spring, not shown, in the direction of the type wheel when the peripheral portion 47 is in engagement with the type wheel circumference.
  • the spring is ineffective if the circumferential section 48 with a smaller radius is opposite the type wheel 13, so that in this case the carrier tape 17 can move freely between the pressure roller 22 and the type wheel circumference.
  • Fig. 2 shows that immediately after the start of the rotation of the type wheel 13 counterclockwise and thus after the start of the rotation of the pressure roller 22 in the clockwise direction, the carrier tape can be pulled freely between the pressure roller 22 and the type wheel 13.
  • the transport roller 25 becomes detached from the return pawl 40 due to its action on the return drive tooth 41, overcoming the locking force exerted by the return locking member 33 on the locking tooth 34, which has the consequence that the carrier tape 17 can now move again in the return direction as in the initial phase.
  • the carrier tape 17 with the self-adhesive label 8 located thereon is pressed against the type wheel 13 by the peripheral section 47 of the pressure roller 22, so that the types present in the printing segment 15 roll on the self-adhesive label 8 to produce an impression.
  • the carrier tape 17 Since the pressure roller 22 is driven by a toothed connection from the type wheel 13, the now occurring movement of the carrier tape 17 in the return direction takes place exactly synchronously with the movement of the type wheel 13 and the pressure roller 22, because the carrier tape 17 is carried along when the peripheral surfaces are rolled. From the beginning of the renewed transport of the carrier tape 17 in the return direction, the carrier tape 17 is moved in the return direction until the entire printing segment 15 has rolled on the self-adhesive label 8 at the printing zone 16. The operating lever 2 has then reached its pivoted-in position in which it is pulled completely against the handle 5. In the illustrated embodiment, the carrier tape 17 has thus moved a total of about one and a half label lengths in the return direction.
  • the printing segment 15 rolls again on the self-adhesive label 8, since this again moves between the type wheel 13 and the pressure roller 22.
  • the gear ratios between the toothed segment 9, the pinion 10, the gear 12 and the drive wheel 36 are chosen so that the conveyor belt 17 in the course of the return of the operating lever 2 from the pivoted position to the rest position by a distance in the forward direction indicated by arrow 24 is transported, which is equal to the distance of the dispensing edge 23 from the printing zone 16 plus a label length. Due to this dimensioning, it is achieved that the label 8, which was located immediately behind the dispensing edge 23 before the start of the work cycle, assumes the dispensing position indicated by the dashed label 8, in which it is detached from the carrier tape 17 and on a Item can be attached.
  • the different transport in the return direction and in the forward direction is achieved in that the return device slips in a defined manner with respect to the carrier tape, so that the entire pivoting movement of the operating lever 2 from the rest position into the pivoted position does not translate into a transport movement of the carrier tape in the return direction.
  • the opposite direction of movement of the operating lever 2 from the pivoted position into the rest position is completely implemented against a transport movement of the carrier tape in the forward direction.
  • the drive wheel 36 is rotated relative to the latter after the transport roller 25 has come to a standstill until the return pawl 40 engages with the return drive tooth 41 by an angle that is circumferential the transport roller 25 corresponds to a sheet the length of a self-adhesive label.
  • the self-adhesive label 8 in the basic position of the hand-held labeling device 1 shown in FIG. 2 is not yet printed since it, like the above Description of the operational sequence shows that printing is only carried out in the course of the backward transport movement of a work cycle when it reaches the printing zone 16.
  • the print to be produced on the self-adhesive label 8 can therefore be changed without further ado without the risk that an unprinted label is still attached to an object which is already supposed to bear a label with a new print. In the device described, it is therefore not possible for a label to be issued which bears a print which does not correspond to the print types set on the print segment of the type wheel.

Abstract

1. A hand labelling apparatus which in a working cycle imprints and dispenses pressure-sensitive labels (8) adhering to a carrier tape (17), comprising a tape feed mechanism (9, 10, 12, 13, 14, 19, 25, 36) which under the control of an operating lever (2) pivotal between a rest position and a swung-in position draws the carrier tape (17) stepwise about a peel edge at which in each working cycle a pressure-sensitive label (8) on feeding in a forward direction detaches from the carrier tape (17) and moves into a dispensing position, said tape feed mechanism including a forward means (9, 10, 12, 25, 36) provided with a feed roll (25) which is rotatably mounted on a shaft (35) and about which the carrier tape (17) is led for moving the carrier tape (17) in the forward direction by at least one label length when the operating lever (2) returns from the swung-in position to the rest position and a printing mechanism (13) which in each working cycle at a printing zone (16) remote from the peel edge (23) oppositely to the forward direction produces an imprint on a pressure-sensitive label (8), characterized in that the tape feed mechanism (9, 10, 12, 13, 14, 19, 25, 36) includes a return means (9, 10, 12, 13, 14, 19) for the carrier tape movement in the return direction opposite the forward direction through at least a distance which is equal to the distance of the peel edge (23) from the printing zone (16) that the forward means (9, 10, 12, 25, 36) is constructed such that it provides for the carrier tape movement in the forward direction through the same distance plus one label length, that a return stop (32) is provided which renders the return means inoperative after said means has moved the carrier tape (17) through a predetermined distance in the return direction, that the forward means is in connection with the operating lever (2) via a directional ratchet mechanism (38, 39) which for a tape movement in the forward direction holds the forward means coupled to the operating lever (2) and releases said means for the tape movement in the return direction, that the peripheral surface of the feed roll (25) is provided with projections (26) which engage in recesses in the carrier tape (17), that on the shaft (35) of the feed roll (25) a drive wheel (36) driven by the operating lever (2) is mounted freely rotatably, that the directional ratchet (38, 39) comprises a forward pawl (38) rigidly connected to the drive wheel (36) and forward detent teeth (39) disposed on the feed roll (25), that the return means is constructed such that it exerts on the carrier tape (17) in the return direction a limited entraining force which can be overcome by a tape tension exerted in the forward direction on the carrier tape (17), that the return stop (32) is formed by a return detent member (33) and detent teeth (34) on the feed roll (25) which are adapted to be brought into engagement therewith and which on said engagement with the return detent member (33) block the movement of the feed roll (25), that a return pawl (40) is rigidly connected to the drive wheel (36) of the feed roll (25) and is adapted to be brought into engagement with return drive teeth (41) on the feed roll (25), and that the return detent member (33) is held positively in engagement with the detent teeth (34) on the feed roll (25) and on movement of the feed roll (25) can be moved in the return direction over the detent teeth (34) when the drive wheel (36) rotates the feed roll (25) via the engagement between the return pawl (40) and a return drive tooth (41) in the return direction.

Description

Die Erfindung bezieht sich auf ein Handetikettiergerät gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a hand-held labeling device according to the preamble of claim 1.

Bei einem aus der DE-PS 23 45 249 bekannten Gerät dieser Art erfolgt das Bedrucken der Selbstklebeetiketten in einer Druckzone, die entgegen der Vorlaufrichtung des Trägerbandes um zwei Etikettenlängen von der Spendkante entfernt ist. Dies bedeutet, daß das Selbstklebeetikett, das in einem Arbeitszyklus in die Spendstellung gebracht wird, in der es auf einem Gegenstand angebracht werden kann, bereits im vorangehenden Arbeitszyklus bedruckt worden ist. Nach dem Anbringen des Etiketts an einem Gegenstand befindet sich somit im Gerät vor Beginn des nächsten Arbeitszyklus bereits ein mit einem Aufdruck versehenes Etikett. Wenn nun der anzubringende Aufdruck geändert wird, muß dieses Etikett aus dem Gerät entfernt werden, damit nur mit dem geänderten Aufdruck versehene Etikette auf Gegenständen angebracht werden. Da es sich bei den Aufdrucken auf den Etiketten üblicherweise um Verkaufspreise handelt, ist das Vorhandensein eines solchen noch mit einem alten Preisaufdruck versehenen Etiketts höchst unerwünscht, da es zu einer falschen Preisauszeichnung von Gegenständen kommen kann, wenn das Entfernen des bereits bedruckten Etiketts nach einer Preisänderung aus dem Gerät vergessen wird.In a device of this type known from DE-PS 23 45 249, the printing of the self-adhesive labels takes place in a printing zone which is two label lengths away from the dispensing edge counter to the forward direction of the carrier tape. This means that the self-adhesive label, which is brought into the dispensing position in one work cycle, in which it can be attached to an object, has already been printed in the previous work cycle. After the label has been attached to an object, there is already a label with a print on the device before the start of the next work cycle. If the label to be applied is now changed, this label must be removed from the device so that only labels with the changed label are attached to objects. Since the prints on the labels are usually sales prices, the presence of such a label with an old price label is highly undesirable, since the price of items can be incorrect if the label already printed is removed after a price change is forgotten from the device.

Der Erfindung liegt die Aufgabe zugrunde, ein Gerät der eingangs geschilderten Art so auszugestalten, daß auch bei größerem Abstand zwischen der Spendkante und der Druckzone nach Beendigung eines Arbeitszyklus kein bereits bedrucktes, aber noch nicht gespendetes Selbstklebeetikett im Gerät vorhanden ist.The invention has for its object to design a device of the type described in such a way that even with a greater distance between the dispensing edge and the printing zone after the end of a working cycle, there is no already printed but not yet dispensed self-adhesive label in the device.

Erfindungsgemäß wird diese Aufgabe mit den im Kennzeichen des Anspruchs 1 angegebenen Merkmalen gelöst. Beim erfindungsgemäßen Gerät wird das Trägerband mit den daran haftenden Selbstklebeetiketten in jedem Arbeitszyklus unter Durchführung einer sogenannten Pilgerschrittbewegung transportiert, was bedeutet, daß das an der Spendkante befindliche Etikett zunächst zur Druckzone zurückgeholt wird, worauf es dann nach dem Druckvorgang wieder zur Spendkante und darüber hinaus bis in die Spendstellung in der Vorlaufrichtung transportiert wird. Dies bedeutet, daß in jedem Arbeitszyklus nur ein Selbstklebeetikett bedruckt wird, das dann auch dasjenige Etikett ist, das im gleichen Arbeitszyklus in die Spendstellung gebracht wird und an einem Gegenstand angebracht werden kann. Wenn der auf dem Etikett zu erzeugende Aufdruck geändert wird, trägt aufgrund der erfindungsgemäßen Ausgestaltung des Handetikettiergeräts bereits das nächste gespendete Etikett den neuen Aufdruck. Das Entfernen bereits in vorhergehenden Arbeitszyklen mit dem alten Aufdruck versehener Etikette erübrigt sich daher, so daß die Gefahr der Anbringung von falsch bedruckten Etiketten nicht mehr besteht.According to the invention, this object is achieved with the features specified in the characterizing part of claim 1. In the device according to the invention, the carrier tape with the self-adhesive labels adhering to it is transported in each work cycle by performing a so-called pilgrim step movement, which means that the label located on the dispensing edge is first brought back to the printing zone, after which it is then returned to the dispensing edge and beyond until after the printing process is transported to the dispensing position in the forward direction. This means that only one self-adhesive label is printed in each work cycle, which is then also the label that is brought into the dispensing position in the same work cycle and can be attached to an object. If the print to be produced on the label is changed, the next dispensed label already bears the new print due to the design of the hand-held labeling device according to the invention. The removal of labels with the old print already in previous work cycles is therefore superfluous, so that there is no longer any risk of incorrectly printed labels being applied.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous developments of the invention are characterized in the subclaims.

Die Erfindung wird nun anhand der Zeichnung beispielshalber erläutert. Es zeigen :

  • Figur 1 eine Seitenansicht des erfindungsgemäßen Geräts,
  • Figur 2 eine schematische Seitenansicht der für den Transport des Trägerbandes wesentlichen Antriebselemente in der Grundstellung,
  • Figur 3 eine ebensolche Ansicht wie in Fig. 1, wobei die Antriebselemente jedoch die Stellung unmittelbar vor Beginn des synchronen Trägerbandtransports in Rücklaufrichtung einnehmen,
  • Figur 4 einen Schnitt durch die Transportwalze längs der Linie 3-3 von Fig. 2,
  • Figur 5 eine teilweise geschnittene Ansicht der Transportwalze mit der von den Pfeilen A und B angegebenen Blickrichtung bei einer Stellung der Transportwalze wie in Fig. 2 und
  • Figur 6 eine ebensolche Ansicht wie in Fig. 4, wobei jedoch die Transportwalze die Stellung von Fig. 3 einnimmt.
The invention will now be explained by way of example with reference to the drawing. Show it :
  • FIG. 1 shows a side view of the device according to the invention,
  • FIG. 2 shows a schematic side view of the drive elements essential for the transport of the carrier tape in the basic position,
  • FIG. 3 shows the same view as in FIG. 1, the drive elements, however, taking the position immediately before the start of the synchronous carrier tape transport in the return direction,
  • FIG. 4 shows a section through the transport roller along line 3-3 of FIG. 2,
  • 5 shows a partially sectioned view of the transport roller with the viewing direction indicated by the arrows A and B with the transport roller in a position as in FIGS. 2 and
  • Figure 6 is a view similar to that in Fig. 4, but with the transport roller in the position of Fig. 3.

In Fig. 1 ist ein Handetikettiergerät 1 dargestellt, mit dessen Hilfe auf einem Trägerband haftende Selbstklebeetiketten bedruckt und zur Anbringung auf einem Gegenstand ausgegeben werden können. Das Gerät 1 weist einen Bedienungshebel 2 auf, der um eine fest mit dem Gerätegehäuse 3 verbundene Achse 4 zwischen der in Fig. 1 dargestellten Ruhestellung und einer eingeschwenkten Stellung, in der er gegen den gehäusefesten Griff 5 gezogen ist, verschwenkbar gelagert ist.1 shows a hand-held labeling device 1, with the aid of which self-adhesive labels adhering to a carrier tape can be printed and dispensed for application to an object. The device 1 has an operating lever 2 which is pivotably mounted about an axis 4 which is fixedly connected to the device housing 3 between the rest position shown in FIG. 1 and a pivoted-in position in which it is pulled against the handle 5 fixed to the housing.

Ein auf der Gehäuseoberseite angebrachter Schacht 6 dient der Aufnahme einer Trägerbandvorratsrolle 7. Von der Vorratsrolle 7 aus gelangt das Trägerband mit seinen daran haftenden Selbstklebeetiketten zu einer in der Darstellung von Fig. 1 links unten liegenden Spendkante, an der sich in jedem Arbeitszyklus, also bei einer Verschwenkung des Bedienungshebels 2 aus der Ruhestellung in die Arbeitsstellung und wieder zurück in die Ruhestellung, ein Selbstklebeetikett vom Trägerband ablöst, und in eine Spendstellung gelangt, in der es auf einen Gegenstand angebracht werden kann. In Fig. 1 ist ein Selbstklebeetikett 8 in der Spendstellung dargestellt.A shaft 6 mounted on the upper side of the housing serves to receive a carrier tape supply roll 7. From the supply roll 7, the carrier tape with its self-adhesive labels adhering to it reaches a dispensing edge which is at the bottom left in the illustration of FIG. 1 and on which in each working cycle, ie at a pivoting of the operating lever 2 from the rest position to the working position and back to the rest position, a self-adhesive label detaches from the carrier tape, and reaches a dispensing position in which it can be attached to an object. In Fig. 1 a self-adhesive label 8 is shown in the dispensing position.

In Fig. 2 sind die Teile des Handetikettiergeräts 1 schematisch dargestellt, die für den Transport des Trägerbandes 17 benötigt werden. Dabei ist auch der um die Achse 4 schwenkbare Bedienungshebel 2 schematisch dargestellt, der ein Zahnsegment 9 aufweist, mit dessen Hilfe seine Schwenkbewegung für den Antrieb der eigentlichen Transportelemente ausgenützt werden kann. Das Zahnsegment 9 steht mit einem Ritzel 10 in Eingriff, das drehfest auf einer Achse 11 sitzt. Mit dieser Achse 11 ist auch ein Zahnrad 12 drehfest verbunden, das ein starr mit dem Typenrad 13 eines Rotationsdruckwerks verbundenes Zahnsegment 14 kämmt. Das Typenrad 13 und das Zahnsegment 14 sind um eine Achse 14a drehbar gelagert.2 schematically shows the parts of the hand-held labeling device 1 that are required for the transport of the carrier tape 17. The operating lever 2, which can be pivoted about the axis 4, is also shown schematically, which has a toothed segment 9, with the aid of which its pivoting movement can be used to drive the actual transport elements. The toothed segment 9 is in engagement with a pinion 10, which sits on a shaft 11 in a rotationally fixed manner. With this axis 11 a gear 12 is rotatably connected, which is rigidly connected to the type wheel 13 of a rotary printing unit Nes tooth segment 14 combs. The type wheel 13 and the toothed segment 14 are rotatably supported about an axis 14a.

Das Typenrad 13 weist ein Drucksegment 15 auf, in dem sich die Drucktypen befinden, die in einer Druckzone 16 auf einem Selbstklebeetikett 8 auf dem Trägerband 17 einen Abdruck erzeugen sollen. Bei den Drucktypen kann es sich um Zahlen, Buchstaben oder, falls ein Strichcode gedruckt werden soll, um strichförmige Typen mit unterschiedlicher Breite handeln. Das Typenrad 13 ist aus mehreren Scheiben zusammengesetzt, die an ihrer Umfangsfläche jeweils mit Drucktypen versehen sind. Durch Verdrehen der einzelnen Scheiben um die Achse 14a können die einzelnen Drucktypen zum Drucksegment 15 bewegt werden, so daß an diesem Drucksegment Drucktypen benachbarter Scheiben in beliebiger Weise zusammengestellt werden.The type wheel 13 has a printing segment 15 in which the printing types are located which are intended to produce an impression in a printing zone 16 on a self-adhesive label 8 on the carrier tape 17. The print types can be numbers, letters or, if a barcode is to be printed, line-shaped types with different widths. The type wheel 13 is composed of a plurality of disks, each of which is provided with printing types on its peripheral surface. By rotating the individual disks about the axis 14a, the individual printing types can be moved to the printing segment 15, so that printing types of adjacent disks can be compiled in this manner in any manner.

Das Trägerband 17 wird mit den daran haftenden Selbstklebeetiketten 8 von der Vorratsrolle 7 aus über ein Federblech 18, das das Trägerband 17 straff hält, zu einer Rolle 19 geführt, die es unter der Einwirkung einer Feder 20 gegen die Umfangsfläche des Typenrades 13 drückt. In dem Bereich des Typenradumfangs, der sich entgegen dem Uhrzeigersinn an das Drucksegment 15 anschließt, ist ein Abdeckblech 21 angebracht, so daß die Rolle 19 das Trägerband 17 mit den Selbstklebeetiketten 8 nicht unmittelbar gegen die Typenradumfangsfläche, sondern gegen das an dem genannten Bereich dieser Umfangsfläche angebrachte Abdeckblech 21 drückt.The carrier tape 17 is guided with the self-adhesive labels 8 adhering to it from the supply roll 7 via a spring plate 18, which keeps the carrier tape 17 taut, to a roller 19 which presses it against the circumferential surface of the type wheel 13 under the action of a spring 20. In the area of the type wheel circumference, which adjoins the pressure segment 15 in the counterclockwise direction, a cover plate 21 is attached, so that the roller 19, the carrier tape 17 with the self-adhesive labels 8 does not directly against the type wheel circumferential surface, but against that on the mentioned area of this circumferential surface attached cover plate 21 presses.

Das Trägerband 17 ist weiter zwischen einer mit dem Typenrad 13 über eine Zahnverbindung in Eingriff stehenden Druckrolle 22 und dem Typenrad 13 hindurchgeführt, und gelangt dann zu einer Spendkante 23. Wenn das Trägerband 17 in der vom Pfeil 24 angegebenen Vorlaufrichtung um die Spendkante 23 gezogen wird, lösen sich die Selbstklebeetiketten 8 vom Trägerband 17 ab, so daß sie in die Spendstellung gelangen. Ein in der Spendstellung befindliches Selbstklebeetikett 8 ist in Fig. 2 gestrichelt dargestellt.The carrier tape 17 is further passed between a pressure roller 22 which engages with the type wheel 13 via a toothed connection and the type wheel 13, and then reaches a dispensing edge 23. When the carrier tape 17 is pulled around the dispensing edge 23 in the forward direction indicated by arrow 24 , the self-adhesive labels 8 detach from the carrier tape 17 so that they reach the dispensing position. A self-adhesive label 8 in the dispensing position is shown in dashed lines in FIG. 2.

Das Trägerband 17 verläuft dann weiter zu einer Transportwalze 25, um die es mit relativ großem Umschlingungswinkel herumgeführt wird. Die Transportwalze 25 ist mit Vorsprüngen 26 versehen, die in schlitzförmige Ausnehmungen im Trägerband 17 eingreifen. Die Schlitze im Trägerband 17 sind in einem Abstand voneinander angebracht, der der Länge eines Seibstkiebeetiketts 8 entspricht. Die Vorsprünge 26 an der Transportwalze 25 sind genau im Abstand der Schlitze im Trägerband 17 angebracht, so daß das Trägerband 17 im Verlauf der einzelnen Betriebszyklen des Geräts eine genau definierte Lage einnimmt, wenn die Vorsprünge 26 in Eingriff mit den Schlitzen im Trägerband 17 stehen.The carrier belt 17 then continues to a transport roller 25, around which it is guided with a relatively large wrap angle. The transport roller 25 is provided with projections 26 which engage in slot-shaped recesses in the carrier belt 17. The slots in the carrier tape 17 are arranged at a distance from one another which corresponds to the length of a self-adhesive label 8. The projections 26 on the transport roller 25 are mounted exactly at a distance from the slots in the carrier belt 17, so that the carrier belt 17 assumes a precisely defined position in the course of the individual operating cycles of the device when the projections 26 are in engagement with the slots in the carrier belt 17.

Damit das Trägerband 17 sicher in Eingriff mit der Umfangsfläche der Transportwalze 25 gehalten wird, sind Wurmfedern 27 vorgesehen, die um Rollen 28, 29, 30 und 31 geführt sind und die Transportwalze 25 ebenso wie das Trägerband 17 umschlingen. Das Trägerband 17 ist dabei zwischen der Umfangsfläche der Transportwalze 25 und den Wurmfedern 27 hindurchgeführt.So that the carrier belt 17 is held securely in engagement with the peripheral surface of the transport roller 25, worm springs 27 are provided which are guided around rollers 28, 29, 30 and 31 and loop around the transport roller 25 as well as the carrier belt 17. The carrier tape 17 is passed between the peripheral surface of the transport roller 25 and the worm springs 27.

Der Transportwalze 25 ist eine Rücklaufsperre 32 zugeordnet, die fest mit dem Gerätegehäuse 3 verbunden ist und die in den Figuren 2 und 3 dargestellte Position einnimmt. Die Rücklaufsperre 32 enthält ein Rücklauf-Rastglied 33, das aus einer federbelasteten Kugel besteht. Dieses Rücklauf-Rastglied 33 wirkt mit Rastzähnen 34 zusammen, die an einer nach innen gerichteten Umfangsfläche der Transportwalze 25 angebracht sind. Wie zu erkennen ist, gestattet die Rücklaufsperre 32 eine Drehung der Transportwalze 25 im Uhrzeigersinn, während sie aufgrund der Rastzähne 34 einer Drehung gegen den Uhrzeigersinn einen Widerstand entgegensetzt. Die Transportwalze 25 kann gegen den Uhrzeigersinn nur gedreht werden, wenn die auf das Rücklauf-Rastglied 33 ausgeübte Federkraft überwunden wird. Das Rücklauf-Rastglied 33 springt dann praktisch über den Rastzahn 34 hinweg, so daß sich die Transportwalze 25 frei weiterdrehen kann, bis der nächste Rastzahn 34 in Anlage an das Rücklauf-Rastglied 33 gelangt.The transport roller 25 is assigned a backstop 32 which is fixedly connected to the device housing 3 and occupies the position shown in FIGS. 2 and 3. The backstop 32 contains a backward locking member 33, which consists of a spring-loaded ball. This return locking member 33 cooperates with locking teeth 34 which are attached to an inwardly facing peripheral surface of the transport roller 25. As can be seen, the backstop 32 allows the transport roller 25 to rotate in a clockwise direction, while, due to the locking teeth 34, it opposes a counterclockwise rotation. The transport roller 25 can only be rotated counterclockwise if the spring force exerted on the return locking member 33 is overcome. The return locking member 33 then practically jumps over the locking tooth 34, so that the transport roller 25 can continue to rotate freely until the next locking tooth 34 comes into contact with the return locking member 33.

Auf der Achse 35, auf der die Transportwalze 25 drehbar gelagert ist, sitzt drehbar ein Antriebsrad 36, das in Fig. 4 im Schnitt dargestellt ist. Wenn berücksichtigt wird, daß in den Figuren 2 und 3 die Transportwalze 25 in Richtung des in Fig. 4 angegebenen Pfeils 37 betrachtet wird, dann sitzt das Antriebsrad 36 in den Darstellungen von Fig. 2 und 3 an der Rückseite der Transportwalze 25.A drive wheel 36, which is shown in section in FIG. 4, is rotatably seated on the axis 35 on which the transport roller 25 is rotatably mounted. If it is taken into account that the transport roller 25 is viewed in the direction of the arrow 37 shown in FIG. 4 in FIGS. 2 and 3, then the drive wheel 36 is seated on the rear of the transport roller 25 in the representations of FIGS. 2 and 3.

Das Antriebsrad 36 kann über das Zahnrad 12 und das Zahnsegment 9 durch Verschwenken des Bedienungshebels 2 gedreht werden. Die Verbindung zwischen dem Antriebsrad 36 und der Transportwalze 25 ist von einem Richtungsgesperre gebildet, das mit dem Antriebsrad 36 starr verbundene Vorlaufklinken 38 enthält, die mit Vorlauf-Sperrzähnen 39 an der Transportwalze 25 zusammenwirken. Dieses Richtungsgesperre gestattet es, die Transportwalze 25 bei festgehaltenem Antriebsrad 36 in der Ansicht von Fig. 2 und von Fig. 3 im Uhrzeigersinn zu drehen, während es eine Drehung entgegengesetzt dem Uhrzeigersinn verhindert. Hier ist zu beachten, daß diese Drehrichtungen in den Ansichten von Fig. 5 und ,Fig. 6 umgekehrt sind, da in diesen Figuren die Transportwalze bezüglich der Figuren 2 und 3 von der Ruckseite her betrachtet wird. In den Figuren 5 und 6 gestattet das Richtungsgesperre somit eine Relativdrehung der Transportwalze 25 bezüglich des Antriebsrades 36 gegen den Uhrzeigersinn, während es eine Drehung im Uhrzeigersinn verhindert.The drive wheel 36 can be rotated via the gear 12 and the toothed segment 9 by pivoting the operating lever 2. The connection between the drive wheel 36 and the transport roller 25 is formed by a directional lock which contains feed pawls 38 which are rigidly connected to the drive wheel 36 and cooperate with feed ratchet teeth 39 on the transport roller 25. This directional lock permits the transport roller 25 to be rotated clockwise while the drive wheel 36 is held in the view of FIG. 2 and FIG. 3, while preventing rotation counterclockwise. It should be noted here that these directions of rotation in the views of FIG. 5 and FIG. 6 are reversed, since in these figures the transport roller is viewed from the rear with respect to FIGS. 2 and 3. In FIGS. 5 and 6, the directional lock thus permits a relative rotation of the transport roller 25 with respect to the drive wheel 36 in the counterclockwise direction, while preventing rotation in the clockwise direction.

Aus den Figuren 5 und 5 geht hervor, daß mit dem Antriebsrad nicht nur die Vorlaufklinken 38 starr verbunden sind, sondern auch eine Rücklaufklinke 40, die mit Antriebszähnen 41 an einer Innenumfangsfläche der Transportwalze 25 zusammenwirkt. Wie Fig. 6 erkennen läßt, wird die Transportwalze 25 mittels der Rücklaufklinke 40 im Uhrzeigersinn angetrieben, wenn die Rücklaufklinke 40 im Verlauf der Drehung des Antriebsrades 36 auf einen Rücklauf-Antriebszahn -41 stößt.5 and 5 show that not only the forward pawls 38 are rigidly connected to the drive wheel, but also a return pawl 40 which cooperates with drive teeth 41 on an inner circumferential surface of the transport roller 25. As can be seen in FIG. 6, the transport roller 25 is driven clockwise by means of the return pawl 40 when the return pawl 40 is in the course of the rotation of the drive wheel 36 encounters a return drive tooth -41.

Nach Fig. 4 sitzt die Transportwalze 25 zwischen zwei Wänden 42 und 43, die fest mit dem Gerätegehäuse 3 verbunden sind. In der Wand 42 ist eine Öffnung 44 angebracht, deren Umfang mit Ausnahme eines begrenzten Umfangsbereichs von einem Kreis um die Achse 35 der Transportwalze 25 beschrieben ist. In den Figuren 5 und 6 ist zu erkennen, daß der Umfang der Öffnung 44 in seinem unteren Umfangsbereich von der Kreisform abweicht und eine Steuerfläche 45 bildet, deren Abstand von der Achse 35 geringer als an den restlichen Bereichen des Offnungsumfangs ist. Die Funktion dieser Steuerfläche 45 läßt sich bei Betrachtung von Fig. 4 in Zusammenhang mit Fig. 5 und 6 erkennen. Nach Fig. 4 ragt die Rücklaufklinke 40 in seitlicher Richtung aus der rechts liegenden Stirnfläche der Transportwalze 25 heraus. Wenn das Antriebsrad 36 die in Fig. 5 dargestellte Position einnimmt, stützt sich der an der Stirnfläche der Transportwalze 25 vorstehende Abschnitt der Rücklaufklinke 40 auf der Steuerfläche 45 ab, so daß die Rücklaufklinke 40 nicht in Eingriff mit einem Rücklauf-Antriebszahn 41 an der Transportwalze 25 kommen kann. Erst wenn sich das Antriebsrad 36 und die damit starr verbundene Rücklaufklinke 40 so weit gedreht haben, daß die Rücklaufklinke 40 nicht mehr von der Steuerfläche 45 abgestützt wird, kann die Rücklaufklinke 40 auf einen Antriebszahn 41 an der Transportwalze 25 einwirken. In Fig. 6 ist eine solche Position des Antriebsrades 36 dargestellt. Bei einer weiteren Drehung des Antriebsrades 36 treibt die Rücklaufklinke 40 durch Einwirkung auf den Rücklauf-Antriebszahn 41 die Transportwalze 25 in der Ansicht von Fig. 6 im Uhrzeigersinn an.4, the transport roller 25 sits between two walls 42 and 43, which are firmly connected to the device housing 3. In the wall 42 there is an opening 44, the circumference of which, with the exception of a limited circumferential area, is described by a circle around the axis 35 of the transport roller 25. It can be seen in FIGS. 5 and 6 that the circumference of the opening 44 deviates from the circular shape in its lower circumferential region and forms a control surface 45, the distance from the axis 35 of which is smaller than at the remaining regions of the opening circumference. The function of this control surface 45 can be seen when viewing FIG. 4 in conjunction with FIGS. 5 and 6. According to FIG. 4, the return pawl 40 protrudes laterally out of the right end face of the transport roller 25. When the drive wheel 36 is in the position shown in FIG. 5, the portion of the return pawl 40 projecting from the end face of the transport roller 25 is supported on the control surface 45, so that the return pawl 40 does not engage a return drive tooth 41 on the transport roller 25 can come. Only when the drive wheel 36 and the return pawl 40 rigidly connected to it have rotated so far that the return pawl 40 is no longer supported by the control surface 45 can the return pawl 40 act on a drive tooth 41 on the transport roller 25. Such a position of the drive wheel 36 is shown in FIG. 6. With a further rotation of the drive wheel 36, the return pawl 40 drives the transport roller 25 in the view of FIG. 6 in the clockwise direction by acting on the return drive tooth 41.

Nachdem die für den Trägerbandtransport notwendigen Antriebselemente, ihre gegenseitige Lage und ihre Einzelwirkungen beschrieben worden sind, erfolgt nun die Beschreibung der Funktionsabläufe, die im Verlauf eines Arbeitszyklus, also beim Verschwenken des Bedienungshebels aus der-Ruhestellung in die eingeschwenkte Stellung und wieder zurück in die Ruhestellung, stattfinden.After the drive elements necessary for the transport of the carrier tape, their mutual position and their individual effects have been described, the description of the functional sequences follows, which take place in the course of a working cycle, i.e. when the operating lever is pivoted from the rest position to the swiveled position and back to the rest position , occur.

Zu Beginn eines Arbeitszyklus nehmen die Antriebselemente die in Fig. 2 dargestellten Grundstellungen ein. Die Grundstellungen der Vorlaufklinken 38 und der Rücklaufklinke 40 gehen aus Fig. 5 hervor. Sobald der Bedienungshebel 2 gegen den Griff 5 gezogen wird, bewegt sich das Zahnsegment 9 gegen den Uhrzeigersinn um die Achse 4, so daß sich das Ritzel 10, das mit dem Zahnsegment 9 in Eingriff steht, in der Ansicht von Fig. 2 im Uhrzeigersinn dreht. In der gleichen Weise dreht sich das drehfest mit der Achse 11 des Ritzels verbundene Zahnrad 12 im Uhrzeigersinn, so daß dadurch auch das Typenrad 13 mittels des mit ihm starr verbundenen Zahnsegments 14 gegen den Uhrzeigersinn gedreht wird.At the beginning of a work cycle, the drive elements assume the basic positions shown in FIG. 2. The basic positions of the forward pawls 38 and the return pawl 40 are shown in FIG. 5. As soon as the operating lever 2 is pulled against the handle 5, the toothed segment 9 moves counterclockwise about the axis 4, so that the pinion 10, which is in engagement with the toothed segment 9, rotates clockwise in the view of FIG. 2 . In the same way, the gear 12, which is non-rotatably connected to the axis 11 of the pinion, rotates clockwise, so that the type wheel 13 is also rotated counterclockwise by means of the toothed segment 14 rigidly connected to it.

Das Zahnrad 12 dreht auch das Antriebsrad 36 in der Darstellung von Fig. 2 gegen den Uhrzeigersinn (in der Darstellung von Fig. 5 im Uhrzeigersinn), was zur Folge hat, daß sich die Vorlaufklinken 38 in der Ansicht von Fig. 5 im Uhrzeigersinn von den Vorlaufsperrzähnen 39 zu entfernen beginnen. Da das Trägerband 17 durch Reibmitnahme aufgrund der Einwirkung zwischen der Rolle 19 und dem am Typenradumfang angebrachten Abdeckblech 21 in Rücklaufrichtung, also in Richtung zur Trägerbandvorratsrolle 7 gezogen wird, bewegt diese Zugkraft auch die Transportwalze 25 in Fig. 2 gegen den Uhrzeigersinn. Dies bedeutet praktisch, daß die Transportwalze 25 der Drehung des Antriebsrads 36 folgt. Die relative Lage der Vorlaufklinken 38 und des Antriebsrades 36 zur Transportwalze 25 ändert sich dadurch also nicht. Die Transportwalze 25 kann der Bewegung des Antriebsrades 36 jedoch nur solange folgen, bis das Rücklauf-Rastglied 33 in Anlage an den nächsten Rastzahn 34 kommt. Im dargestellten Ausführungsbeispiel erfolgt die rückwärts gerichtete Bewegung des Trägerbandes 17 solange, bis die in Rücklaufrichtung vorne liegende Kante 46 des an die Spendkante 23 angrenzenden Selbstklebeetiketts 8 zur Druckzone 16 zurückgezogen worden ist. Bei den in Fig. 2 angegebenen Größenverhältnissen beträgt der rückwärts gerichtete Transportweg in dieser Anfangsphase etwa eine halbe Etikettlänge.Gear 12 also rotates drive gear 36 counterclockwise in the illustration of FIG. 2 (clockwise in the illustration of FIG. 5), with the result that the forward pawls 38 rotate clockwise in the view of FIG. 5 begin to remove the ratchet teeth 39. Since the carrier tape 17 is pulled in the return direction, ie in the direction of the carrier tape supply roll 7, by frictional engagement due to the action between the roller 19 and the cover plate 21 attached to the type wheel circumference, this pulling force also moves the transport roller 25 in FIG. 2 counterclockwise. This means practically that the transport roller 25 follows the rotation of the drive wheel 36. The relative position of the forward pawls 38 and the drive wheel 36 to the transport roller 25 does not change as a result. However, the transport roller 25 can only follow the movement of the drive wheel 36 until the return locking member 33 comes into contact with the next locking tooth 34. In the exemplary embodiment shown, the backward movement of the carrier tape 17 takes place until the edge 46 of the self-adhesive label 8 adjacent to the dispensing edge 23 lying in the return direction has been pulled back to the printing zone 16. With the size ratios shown in FIG. 2, the backward transport path in this initial phase is approximately half a label length.

Das Typenrad 13 dreht über eine Zahnverbindung auch die Druckrolle 22 an, die einen Umfangsabschnitt 47 mit größerem Radius und einen Umfangsabschnitt 48 mit kleinerem Radius aufweist. Der größere Radius ist dabei so bemessen, daß er exakt gleich dem Abstand der Drehachse 49 der Druckrolle 22 vom Umfang des Typenrades ist. Die Drehachse 49 der Druckrolle 22 ist mit einer nicht dargestellten Feder in Richtung zum Typenrad belastet, wenn der Umfangsabschnitt 47 mit dem Typenradumfang in Eingriff steht. Die Feder ist jedoch unwirksam, wenn sich der Umfangsabschnitt 48 mit kleinerem Radius in Gegenüberstellung zum Typenrad 13 befindet, so daß sich in diesem Fall das Trägerband 17 frei zwischen der Druckrolle 22 und dem Typenradumfang hindurchbewegen kann. Fig. 2 zeigt, daß das Trägerband unmittelbar nach Beginn der Drehung des Typenrades 13 entgegen dem Uhrzeigersinn und somit nach Beginn der Drehung der Druckrolle 22 im Uhrzeigersinn frei zwischen der Druckrolle 22 und dem Typenrad 13 hindurchgezogen werden kann.The type wheel 13 also rotates the pressure roller 22 via a toothed connection, which has a circumferential section 47 with a larger radius and a circumferential section 48 with a smaller radius. The larger radius is dimensioned such that it is exactly equal to the distance of the axis of rotation 49 of the pressure roller 22 from the circumference of the type wheel. The axis of rotation 49 of the pressure roller 22 is loaded with a spring, not shown, in the direction of the type wheel when the peripheral portion 47 is in engagement with the type wheel circumference. However, the spring is ineffective if the circumferential section 48 with a smaller radius is opposite the type wheel 13, so that in this case the carrier tape 17 can move freely between the pressure roller 22 and the type wheel circumference. Fig. 2 shows that immediately after the start of the rotation of the type wheel 13 counterclockwise and thus after the start of the rotation of the pressure roller 22 in the clockwise direction, the carrier tape can be pulled freely between the pressure roller 22 and the type wheel 13.

Nachdem das Rücklauf-Rastglied 33 in Anlage an den Rastzahn 34 gekommen ist, wird eine weitere Drehung der Transportwalze 25 verhindert. Die durch Reibung zwischen der Rolle 19, dem Trägerband 17 und dem Abdeckblech 21 am Typenrad 13 erzeugte Mitnahmekraft, die als Zugkraft auf das Trägerband 17 in Richtung zur Trägerbandvorratsrolle 7 wirkt, ist nicht groß genug, um die Transportwalze 25 unter Überwindung der vom Rücklauf-Rastglied 33 ausgeübten Rastkraft über den Rastzahn 34 hinwegzubewegen. Es tritt somit bei fortgesetzter Drehung des Typenrades 13 ein Rutschen zwischen dem Abdeckblech 12 und dem Trägerband 17 mit den darauf befindlichen Selbstklebeetiketten 8 auf, so daß das Trägerband nicht mehr weiter zurückgezogen wird.After the return locking member 33 comes into contact with the locking tooth 34, a further rotation of the transport roller 25 is prevented. The driving force generated by friction between the roller 19, the carrier tape 17 and the cover plate 21 on the type wheel 13, which acts as a tensile force on the carrier tape 17 in the direction of the carrier tape supply roller 7, is not large enough to overcome the transport roller 25 while overcoming the Locking member 33 exerted locking force to move over the locking tooth 34. There is thus a slip between the with continued rotation of the type wheel 13 Cover plate 12 and the carrier tape 17 with the self-adhesive labels 8 thereon, so that the carrier tape is no longer retracted.

In dieser Betriebsphase, in der das Trägerband aufgrund der vom Rücklauf-Sperrglied 32 festgehaltenen Transportwalze 25 stillsteht, bewegen sich das Typenrad 13 und somit auch die von ihm angetriebene Druckrolle 22 bis in die in Fig. 3 dargestellten Positionen weiter. Das Drucksegment 15 erreicht dabei eine an die Druckzone 16 angrenzende Lage, und auch die Druckrolle 22 beginnt, das Trägerband gegen das Typenrad zu pressen, da sein Umfangsabschnitt 47 nun in Eingriff mit dem Typenrad gelangt. Auch das Antriebsrad 36 bewegt sich in dieser Betriebsphase weiter, so daß sich die Rücklaufklinke 40 relativ zur feststehenden Transportwalze 25 in die in Fig. 6 dargestellte Position bewegt. Fig. 6 zeigt die Rücklaufklinke 40 in der Position, in der sie gerade in Anlage an einen Rücklauf-Antriebszahn 41 gelangt. Wenn nun das Antriebsrad 36 aufgrund der Weiterbewegung des Bedienungshebels 2 vom Zahnrad 12 weitergedreht wird (in Fig. 3 entgegen dem Uhrzeigersinn und in Fig. 6 im Uhrzeigersinn), dann wird die Transportwalze 25 von der Rücklaufklinke 40 aufgrund deren Einwirkung auf den Rücklauf-Antriebszahn 41 unter Überwindung der vom Rücklauf-Rastglied 33 auf den Rastzahn 34 ausgeübten Rastkraft weitergedreht, was zur Folge hat, daß sich das Trägerband 17 nunmehr wieder wie in der Anfangsphase in der Rücklaufrichtung bewegen kann. Gleichzeitig wird dabei das Trägerband 17 mit dem darauf befindlichen Selbstklebeetikett 8 vom Umfangsabschnitt 47 der Druckrolle 22 gegen das Typenrad 13 gedrückt, so daß sich in der Druckzone 16 die im Drucksegment 15 vorhandenen Typen auf dem Selbstklebeetikett 8 zur Erzeugung eines Abdrucks abwälzen. Da die Druckrolle 22 über eine Zahnverbindung vom Typenrad 13 angetrieben ist, erfolgt die nunmehr stattfindende Bewegung des Trägerbandes 17 in der Rücklaufrichtung genau sychron mit der Bewegung des Typenrades 13 und der Druckrolle 22, weil das Trägerband 17 beim Abwälzen der Umfangsflächen mitgenommen wird. Vom Beginn des erneuten Transports des Trägerbandes 17 in Rücklaufrichtung an wird das Trägerband 17 noch so weit in der Rücklaufrichtung bewegt, bis sich das gesamte Drucksegment 15 auf dem Selbstklebeetikett 8 an der Druckzone 16 abgewälzt hat. Der Bedienungshebel 2 hat dann seine eingeschwenkte Stellung erreicht, in der er vollständig gegen den Griff 5 gezogen ist. Im dargestellten Ausführungsbeispiel hat sich das Trägerband 17 somit insgesamt um etwa eineinhalb Etikettlängen in der Rücklaufrichtung bewegt.In this operating phase, in which the carrier belt is stationary due to the transport roller 25 held by the return blocking member 32, the type wheel 13 and thus also the pressure roller 22 driven by it move further into the positions shown in FIG. 3. The pressure segment 15 reaches a position adjacent to the pressure zone 16, and the pressure roller 22 also begins to press the carrier tape against the type wheel, since its peripheral section 47 now comes into engagement with the type wheel. The drive wheel 36 also moves further in this operating phase, so that the return pawl 40 moves relative to the fixed transport roller 25 into the position shown in FIG. 6. FIG. 6 shows the return pawl 40 in the position in which it just comes into contact with a return drive tooth 41. If the drive wheel 36 is now rotated further by the gear 12 due to the further movement of the operating lever 2 (counterclockwise in FIG. 3 and clockwise in FIG. 6), then the transport roller 25 becomes detached from the return pawl 40 due to its action on the return drive tooth 41, overcoming the locking force exerted by the return locking member 33 on the locking tooth 34, which has the consequence that the carrier tape 17 can now move again in the return direction as in the initial phase. At the same time, the carrier tape 17 with the self-adhesive label 8 located thereon is pressed against the type wheel 13 by the peripheral section 47 of the pressure roller 22, so that the types present in the printing segment 15 roll on the self-adhesive label 8 to produce an impression. Since the pressure roller 22 is driven by a toothed connection from the type wheel 13, the now occurring movement of the carrier tape 17 in the return direction takes place exactly synchronously with the movement of the type wheel 13 and the pressure roller 22, because the carrier tape 17 is carried along when the peripheral surfaces are rolled. From the beginning of the renewed transport of the carrier tape 17 in the return direction, the carrier tape 17 is moved in the return direction until the entire printing segment 15 has rolled on the self-adhesive label 8 at the printing zone 16. The operating lever 2 has then reached its pivoted-in position in which it is pulled completely against the handle 5. In the illustrated embodiment, the carrier tape 17 has thus moved a total of about one and a half label lengths in the return direction.

Wenn nun der Bedienungshebel 2 freigegeben wird, und unter der Einwirkung einer zwischen ihm und dem Griff 5 wirkenden Feder wieder in seine in Fig. 1 dargestellte Ruhestellung zurückkehrt, drehen sich die beschriebenen Drehrichtungen aller Antriebselemente um. Im einzelnen bedeutet dies, daß sich das Zahnsegment 9 nun im Uhrzeigersinn um die Achse 4 dreht, was eine Drehung des Ritzels 10 und des Zahnrads 12 entgegen dem Uhrzeigersinn zur Folge hat. Demgemäß bewegt sich auch das Typenrad 13 im Uhrzeigersinn, so daß dieses die Druckrolle 22 entgegen dem Uhrzeigersinn antreibt. Das Antriebsrad 36 dreht sich in der Ansicht der Figuren 2 und 3 im Uhrzeigersinn, so daß es aufgrund des Eingriffs der Vorlaufklinken 38 an den Vorlauf- Sperrzähnen 39 die Transportwalze 25 mitnimmt. Die Rücklaufsperre 32 stellt kein Hindernis für eine solche Drehung der Transportwalze 25 dar, da das Rücklauf-Rastglied 33 die Rastzähne 34 bei dieser Drehrichtung der Transportwalze 25 ohne weiteres überlaufen kann.If the operating lever 2 is now released and, under the action of a spring acting between it and the handle 5, returns to its rest position shown in FIG. 1, the described directions of rotation of all drive elements rotate. Specifically, this means that the toothed segment 9 now rotates clockwise about the axis 4, which results in a rotation of the pinion 10 and the gear 12 counterclockwise. Accordingly, the type wheel 13 moves clockwise, so that it drives the pressure roller 22 counterclockwise. The drive wheel 36 rotates in the view of Figures 2 and 3 clockwise, so that it takes the transport roller 25 due to the engagement of the forward pawls 38 on the forward locking teeth 39. The backstop 32 does not constitute an obstacle to such a rotation of the transport roller 25, since the return locking element 33 can easily overrun the locking teeth 34 in this direction of rotation of the transport roller 25.

Zu Beginn der Drehung des Typenrades 13 im Uhrzeigersinn wälzt sich das Drucksegment 15 nochmals auf dem Selbstklebeetikett 8 ab, da sich dieses erneut zwischen dem Typenrad 13 und der Druckrolle 22 hindurchbewegt.At the beginning of the rotation of the type wheel 13 in a clockwise direction, the printing segment 15 rolls again on the self-adhesive label 8, since this again moves between the type wheel 13 and the pressure roller 22.

Die Übersetzungsverhältnisse zwischen dem Zahnsegment 9, dem Ritzel 10, dem Zahnrad 12 und dem Antriebsrad 36 sind so gewählt, daß das Transportband 17 im Verlauf der Rückkehr des Bedienungshebels 2 aus der eingeschwenkten Stellung in die Ruhestellung um eine Strecke in der vom Pfeil 24 angegebenen Vorlaufrichtung transportiert wird, die gleich dem Abstand der Spendkante 23 von der Druckzone 16 zuzüglich einer Etikettlänge ist. Aufgrund dieser Dimensionierung wird erreicht, daß das Etikett 8, das sich vor Beginn des Arbeitszyklus unmittelbar hinter der Spendkante 23 befand, nach Beendigung des Arbeitszyklus die durch das gestrichelt angegebene Etikett 8 angegebene Spendstellung einnimmt, in der es vom Trägerband 17 abgelöst ist und auf einem Gegenstand angebracht werden kann.The gear ratios between the toothed segment 9, the pinion 10, the gear 12 and the drive wheel 36 are chosen so that the conveyor belt 17 in the course of the return of the operating lever 2 from the pivoted position to the rest position by a distance in the forward direction indicated by arrow 24 is transported, which is equal to the distance of the dispensing edge 23 from the printing zone 16 plus a label length. Due to this dimensioning, it is achieved that the label 8, which was located immediately behind the dispensing edge 23 before the start of the work cycle, assumes the dispensing position indicated by the dashed label 8, in which it is detached from the carrier tape 17 and on a Item can be attached.

Der unterschiedliche Transport in Rücklaufrichtung und in Vorlaufrichtung wird dadurch erreicht, daß die Rücklaufvorrichtung in definierter Weise bezüglich des Trägerbandes durchrutscht, so daß sich nicht die gesamte Schwenkbewegung des Bedienungshebels 2 aus der Ruhestellung in die eingeschwenkte Stellung in eine Transportbewegung des Trägerbandes in Rücklaufrichtung umsetzt. Die entgegengesetzte Bewegungsrichtung des Bedienungshebels 2 aus der eingeschwenkten Stellung in die Ruhestellung wird dagegen vollständig gegen eine Transportbewegung des Trägerbandes in Vorlaufrichtung umgesetzt. Damit die Differenz zwischen dem Transport in Rücklaufrichtung und dem Transport in Vorlaufrichtung genau einer Etikettlänge entspricht, wird das Antriebsrad 36 nach dem Stillstand der Transportwalze 25 relativ zu dieser bis zum Eingriff der Rücklaufklinke 40 am Rücklauf-Antriebszahn 41 um einen Winkel weitergedreht, der am Umfang der Transportwalze 25 einem Bogen von der Länge eines Selbstklebeetiketts entspricht.The different transport in the return direction and in the forward direction is achieved in that the return device slips in a defined manner with respect to the carrier tape, so that the entire pivoting movement of the operating lever 2 from the rest position into the pivoted position does not translate into a transport movement of the carrier tape in the return direction. The opposite direction of movement of the operating lever 2 from the pivoted position into the rest position, however, is completely implemented against a transport movement of the carrier tape in the forward direction. So that the difference between the transport in the return direction and the transport in the forward direction corresponds exactly to a label length, the drive wheel 36 is rotated relative to the latter after the transport roller 25 has come to a standstill until the return pawl 40 engages with the return drive tooth 41 by an angle that is circumferential the transport roller 25 corresponds to a sheet the length of a self-adhesive label.

Das in der in Fig. 2 dargestellten Grundstellung des Handetikettiergeräts 1 unmittelbar an der Spendkante 23 befindliche Selbstklebeetikett 8 ist noch nicht bedruckt, da es, wie die obige Schilderung des Betriebsablaufs zeigt, erst im Verlauf der rückwärts gerichteten Transportbewegung eines Arbeitszyklus bedruckt wird, wenn es in die Druckzone 16 gelangt. Der auf dem Selbstklebeetikett 8 zu erzeugende Aufdruck kann daher ohne weiteres geändert werden, ohne daß die Gefahr besteht, daß ein noch mit einem unveränderten Aufdruck versehenes Etikett auf einen Gegenstand angebracht wird, der bereits ein Etikett mit einem neuen Aufdruck tragen soll. Bei dem beschriebenen Gerät ist es somit nicht möglich, daß ein Etikett abgegeben wird, das einen Aufdruck trägt, der nicht den am Drucksegment des Typenrades eingestellten Drucktypen entspricht.The self-adhesive label 8 in the basic position of the hand-held labeling device 1 shown in FIG. 2 is not yet printed since it, like the above Description of the operational sequence shows that printing is only carried out in the course of the backward transport movement of a work cycle when it reaches the printing zone 16. The print to be produced on the self-adhesive label 8 can therefore be changed without further ado without the risk that an unprinted label is still attached to an object which is already supposed to bear a label with a new print. In the device described, it is therefore not possible for a label to be issued which bears a print which does not correspond to the print types set on the print segment of the type wheel.

Claims (4)

1. A hand labeling apparatus which in a working cycle imprints and dispenses pressure-sensitive labels (8) adhering to a carrier tape (17), comprising a tape feed mechanism (9, 10, 12, 13, 14, 19, 25, 36) which under the control of an operating lever (2) pivotal between a rest position and a swung-in position draws the carrier tape (17) stepwise about a peel edge at which in each working cycle a pressure-sensitive label (8) on feeding in a forward direction detaches from the carrier tape (17) and moves into a dispensing position, said tape feed mechanism including a forward means (9, 10, 12, 25, 36) provided with a feed roll (25) which is rotatably mounted on a shaft (35) and about which the carrier tape (17) is led for moving the carrier tape (17) in the forward direction by at least one label length when the operating lever (2) returns from the swung-in position to the rest position and a printing mechanism (13) which in each working cycle at a printing zone (16) remote from the peel edge (23) oppositely to the forward direction produces an imprint on a pressure-sensitive label (8), characterized in that the tape feed mechanism (9, 10, 12, 13, 14, 19, 25, 36) includes a return means (9, 10, 12,13,14,19) for the carrier tape movement in the return direction opposite the forward direction through at least a distance which is equal to the distance of the peel edge (23) from the printing zone (16) that the forward means (9, 10, 12, 25, 36) is constructed such that it provides for the carrier tape movement in the forward direction through the same distance plus one label length, that a return stop (32) is provided which renders the return means inoperative after said means has moved the carrier tape (17) through a predetermined distance in the return direction, that the forward means is in connection with the operating lever (2) via a directional ratchet mechanism (38, 39) which for a tape movement in the forward direction holds the forward means coupled to the operating lever (2) and releases said means for the tape movement in the return direction, that the peripheral surface of the feed roll (25) is provided with projections (26) which engage in recesses in the carrier tape (17), that on the shaft (35) of the feed roll (25) a drive wheel (36) driven by the operating lever (2) is mounted freely rotatably, that the directional ratchet (38, 39) comprises a forward pawl (38) rigidly connected to the drive wheel (36) and forward detent teeth (39) disposed on the feed roll (25), that the return means is constructed such that it exerts on the carrier tape (17) in the return direction a limited entraining force which can be overcome by a tape tension exerted in the forward direction on the carrier tape (17), that the return stop (32) is formed by a return detent member (33) and detent teeth (34) on the feed roll (25) which are adapted to be brought into engagement therewith and which on said engagement with the return detent member (33) block the movement of the feed roll (25), that a return pawl (40) is rigidly connected to the drive wheel (36) of the feed roll (25) and is adapted to be brought into engagement with return drive teeth (41) on the feed roll (25), and that the return detent member (33) is held positively in engagement with the detent teeth (34) on the feed roll (25) and on movement of the feed roll (25) can be moved in the return direction over the detent teeth (34) when the drive wheel (36) rotates the feed roll (25) via the engagement between the return pawl (40) and a return drive tooth (41) in the return direction.
2. An apparatus as claimed in claim 1, characterized in that at the start of an operating cycle a detent tooth (34) in the peripheral direction of the feed roll (25) is remote from the return detent member (33) a distance such that in the course of an operating cycle the engagement of the return detent member (33) on the detent tooth (34) does not take place until the carrier tape (17) has moved in the return direction to such an extent that the leading edge (46), seen in the return direction, of the pressure-sensitive label (8) adjoining the peel edge (23) at the start of an operating cycle has reached the printing zone (16), and that the drive wheel (36) of the feed roll (25) after start of the engagement of the return detent member (33) on the detent tooth (34) can be rotated up to engagement of the return pawl (40) on the return drive tooth (41) relatively to the feed roll (25) through an angle which corresponds at the periphery of the feed roll (25) to an arc having the length of a pressure-sensitive label (8).
3. An apparatus as claimed in claim 1 or 2, characterized in that the return means includes a wheel (13) driven by the operating lever (2) and a roller (19) which holds the carrier tape (17) positively against the peripheral surface of said wheel.
4. An apparatus as claimed in claim 3, characterized in that the wheel driven by the operating lever (2) is the type wheel (13) of a rotary printing mechanism which is in drive connection with the operating lever (2) and which comprises at its periphery a printing segment (15) having printing types which rolls over a pressure-sensitive label (8) on the carrier tape (17) when the pressure-sensitive label (8) moves into the printing zone (16) on rotation of the type wheel (13) controlled by the operating lever (2).
EP81105689A 1980-08-08 1981-07-20 Hand labeller Expired EP0045872B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81105689T ATE10180T1 (en) 1980-08-08 1981-07-20 HAND LABELING MACHINE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3030138A DE3030138C2 (en) 1980-08-08 1980-08-08 Hand-held labeling machine
DE3030138 1980-08-08

Publications (2)

Publication Number Publication Date
EP0045872A1 EP0045872A1 (en) 1982-02-17
EP0045872B1 true EP0045872B1 (en) 1984-11-07

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Application Number Title Priority Date Filing Date
EP81105689A Expired EP0045872B1 (en) 1980-08-08 1981-07-20 Hand labeller

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EP (1) EP0045872B1 (en)
JP (1) JPS5755849A (en)
AT (1) ATE10180T1 (en)
AU (1) AU530428B2 (en)
BR (1) BR8105096A (en)
CA (1) CA1173801A (en)
DE (1) DE3030138C2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820631A (en) * 1981-07-31 1983-02-07 アンリツ株式会社 Label printing pasting machine
JPS6181937A (en) * 1984-09-21 1986-04-25 株式会社金久 Manual type label printing sticker
US5228809A (en) * 1989-01-27 1993-07-20 Kajima Corporation Consolidating agent injecting apparatus and injecting apparatus for improving ground
JP2534970B2 (en) * 1993-12-03 1996-09-18 日産建設株式会社 Ground improvement method by high-pressure jet stirring
JP2681156B2 (en) * 1994-12-05 1997-11-26 株式会社エムジーエンジニアリング Theft monitoring case and jig for theft monitoring case
CN108772497A (en) * 2018-06-15 2018-11-09 苏州市翔耀精密自动化设备有限公司 Carrier band collapses tight feeding device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330207A (en) * 1965-10-04 1967-07-11 Dynamic Res Corp Rolling contact label printer and applicator
GB1402724A (en) * 1971-06-23 1975-08-13 Monarch Marking Systems Inc Printing apparatus
BE788033A (en) * 1971-08-25 1973-02-26 Norprint Ltd IMPROVEMENTS RELATED TO LABELING DEVICES
US3926110A (en) * 1974-04-11 1975-12-16 Pitney Bowes Inc Hand held ticket printer applicator
US3974951A (en) * 1974-11-12 1976-08-17 Ncr Corporation Printer mechanism

Also Published As

Publication number Publication date
DE3030138C2 (en) 1985-03-07
BR8105096A (en) 1982-04-20
CA1173801A (en) 1984-09-04
JPS5755849A (en) 1982-04-03
EP0045872A1 (en) 1982-02-17
ATE10180T1 (en) 1984-11-15
AU530428B2 (en) 1983-07-14
AU7313481A (en) 1982-02-11
DE3030138A1 (en) 1982-02-18
JPS621893B2 (en) 1987-01-16

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