EP1749671A1 - Device for releasable securing a lock bolt in a latch - Google Patents

Device for releasable securing a lock bolt in a latch Download PDF

Info

Publication number
EP1749671A1
EP1749671A1 EP06291109A EP06291109A EP1749671A1 EP 1749671 A1 EP1749671 A1 EP 1749671A1 EP 06291109 A EP06291109 A EP 06291109A EP 06291109 A EP06291109 A EP 06291109A EP 1749671 A1 EP1749671 A1 EP 1749671A1
Authority
EP
European Patent Office
Prior art keywords
finger
lever
frame
notch
stop
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.)
Withdrawn
Application number
EP06291109A
Other languages
German (de)
French (fr)
Inventor
Anton Sutherland
Patrick Darce
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.)
Axiohm SA
Original Assignee
Axiohm SA
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 Axiohm SA filed Critical Axiohm SA
Publication of EP1749671A1 publication Critical patent/EP1749671A1/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/02—Platens
    • B41J11/04—Roller platens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/24—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
    • E05C3/30—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a hook
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/30—Embodiments of or processes related to thermal heads
    • B41J2202/31—Thermal printer with head or platen movable

Definitions

  • the present invention relates to a releasable retainer of a finger, for example secured to a housing cover, in the bottom of a notch formed in the housing.
  • Closing the cover makes contact between the line of heating points carried by the print head and the capstan, between which scrolls the paper.
  • the closure is locked by the contact force of the head on the capstan; in other cases a separate lock is actuated for this purpose, with the disadvantage of having to maneuver before opening and after closing the cover.
  • locking by the head is provided by the only closure of the hood, its disadvantage lies in the fact that it does not withstand a reversal of the direction of the paper drive. In this case, in fact, the rotation of the capstan tends to make it escape from its contact with the head.
  • a device which retains the automaticity of the locking, accomplished by the simple closing of the cover and also removed during the simple maneuver when opening the cover, while constituting a positive locking of the capstan relative to at the print head while the printer is running.
  • the invention therefore more generally relates to a releasable retainer of a finger against a stop carried by a first frame member, of which the finger, carried by a second frame member, can be moved away or moved along a defined path, parallel to itself, comprising a member retractably interlocking this path above said stop, the finger being housed in an oblong slot of the second frame member which allows a limited relative movement of the finger and of the second frame member along said path.
  • This mobility of the finger relative to this second frame member, is the indispensable means that allows a mechanical control by the single movement, in one direction or the other, of the lid, the retraction the obstacle above the stop before the finger reaches it and before the finger leaves it.
  • the retractable obstacle hindering member comprises a lever with a longitudinal direction articulated at one end to the first frame member about an axis parallel to that of the finger located substantially below the stop and comprising at its end opposite to that articulated a branch perpendicular to the longitudinal direction of the lever, capable of crossing the path in a position of the lever to which it is permanently biased by an elastic return member, the lever and the second element frame having cooperating cams by which a relative movement of the two frame members causes a tilting of the lever against the elastic return member.
  • one of the cams is formed by the finger itself while the aforesaid leg of the lever is surmounted by a cam cooperating with the finger having a sliding slope of the finger by which the lever is removed from the path to the against the effect of the return member, during the movement of the finger towards the stop.
  • Another cam is formed by a pin carried by the second frame member while the cooperating cam of the lever comprises a slope, inclined relative to the direction of the trajectory, on which slides the pin to push this lever against the effect of the elastic member before the finger is away from the stop.
  • the abutment is constituted by the bottom of a notch formed in a first frame element of a printer and the obstacle member traps substantially without play the finger in the notch which is the end of a capstan spigot.
  • the lever is formed by a side portion, in the form of cut sheet metal, perpendicular to the capstan, a frame of the print head of the printer , the elastic return member is a return member of the head against the capstan and the abutment is formed by an edge of a notch formed in the lever whose other parallel edge is the aforementioned obstacle member.
  • cam surfaces of the lever result from proper cutting of the edge of the print head frame facing the capstan.
  • the journal is housed substantially without play in the notch of the lever while a brake is provided between the two frame members for frictionally securing them to one another when the finger is in the notch.
  • a notch in the first frame member that will receive the pin and will guide better than the only oblong slot that carries it.
  • FIGS. 1 to 4 show two frame elements 1 and 2 that are movable relative to each other in the direction 3.
  • This direction is here represented rectilinear but in general it will be circular since the frame element 2 is most often articulated to the frame member 1 about an axis not shown. In any case, the distance of this axis from the direction 3 makes it possible to assimilate the arc of this direction to a straight line.
  • the frame member 2 can therefore be the cover of a housing forming the frame member 1.
  • the frame member 1 has a notch 4, for example in one of its side walls 1a. If the housing element has another side wall parallel to the wall 1a, the latter may also comprise a notch such as 4.
  • the frame element 2 may for example be U-shaped, with two side walls such that 2a which get between the walls such as 1A when the frame member 2 is brought closer to the frame member 1. It is equipped with a mounted locking finger 5 of floating in an oblong slot formed in the walls 6 lateral ones such as 2a.
  • This finger can be the end of a transverse axis perpendicular to the figure plane, and projecting outside the side walls such that 2a of the frame member 2 to reach the bottom 4a of the notch 4 It is understood that when the frame 2 is moved along the direction 3, the finger 5 and the axis which it constitutes the end, moves parallel to itself.
  • a lever 7 is articulated by its end 8 to the frame member 1 about an axis which is parallel to the axis of the finger 5.
  • This lever has at its end opposite the hinge 8, a return leg 9 which in a certain position blocks the entrance of the notch 4.
  • a spring 10 acts on the lever to recall it constantly in a closed position of the inlet of the notch 4.
  • An abutment not shown limits the tilting of the lever 7 around its hinge 8 under the effect of the spring 10.
  • the lever 7 comprises a cam 11 having two slopes , 11a and 11b.
  • FIG. 2 illustrates the instant of bringing the two frame elements closer together or the branch 9 is totally outside the notch 4.
  • the continued sliding of the pin 12 on the cam 11 keeps the lever 7 away from the notch 4 which allows the finger 5 to lodge there.
  • the dimensions of the lever 7 are determined in relation to the relative positions of the articulation 8 of the bottom 4a of the notch, the diameter of the finger 5 and the distance separating the arm 9 from the articulation 8, so that when the locking is operated as shown in Figure 3, the finger 5 is held without play so no possibility of significant movement in the bottom of the groove 4 by the arm 9. This holding in position There are advantages to this, which will be explained below.
  • FIG. 4 illustrates the instant of contact of the end of the light 6 with the finger 5 at the moment of the beginning of its extraction from the notch 4.
  • FIG. 5 shows a side view of an opening thermal printer comprising, in a known manner, a printing head 20 articulated to a fixed frame 21 about an axis 22 and permanently biased toward the left of the figure around the hinge 22 against a stop not shown by a spring 23.
  • the frame 21, which we only see a side flank in the figure is U-shaped between the two wings of which can rotate the print head 20 or more precisely, the frame 24 which carries it.
  • the wings such as 24 a of this frame, bearing the hinge 22, form the cam 11 described above.
  • the edge of these wings has two slopes 25 and 26 which are similar to the slopes 11 slopes and 11b described above.
  • the wing 24 therefore acts as the lever 7 and the upper edge 27 has a notch 27 is the branch 9 of this lever. It is noted that the slope 25 overcomes the edge 27a of the notch 27 while the slope 26 is located under this notch.
  • the illustrated printer comprises a cover 31 which forms a support frame of a capstan 30 supported by this frame 31 by means of end trunnions 32.
  • These end trunnions 32 are housed in an oblong slot 33 so that the cover 31, journals 32 and the light 33 are the equivalents respectively of the frame member 2, the finger 5 and the oblong slot 6.
  • a pin 34 located under the pin 32 and shifted to the left relative thereto so that the pin 34 does not come into contact with the wing 24a of the frame 24 during the movement of the lid closure.
  • the pin 32 meets the slope 25 of the flange 24 a and pushes the frame 24 to pivot about the hinge 22 against the effect of the return spring 23.
  • the frame 24 can pivot in the opposite direction, the pin 32 then being housed inside the notch 27.
  • the pin 32 could reach the bottom 28a of the notch 28. It would then be in the case of operation described with reference to previous figures. But, in reality, we must note a difference of achievement significant between the device according to this Figure 5 and the device according to the diagrams of Figures 1 to 4.
  • the width of the notch 27 is equal to the diameter of the pin 32.
  • the edge 27 b opposite the edge 27 a of this notch is further from the hinge 22 than the edge 28a of the bottom of the notch 28 formed in the fixed frame 21.
  • the pin 32 is immobilized in the notch 28 via the notch 27 whose edge 27 b acts as the edge 28a of the notch 28 in the operation described above.
  • the pin 34 When the printer is completely closed as shown in Figure 6, the pin 34 is located opposite the slope 26 of the lateral flange 24a of the frame 24. Note that this pin 34, or any other lug integral with the lid 31, can also cooperate with a leaf spring 35 carried by the frame 21 which constitutes a brake to prevent relative movement of the cover 31 relative to the capstan 30 which is immobilized in the notch 27.
  • Figure 7 the device is shown in a state in the open phase.
  • An operator acts on the cover 31 in the direction of the opening of the printer which has the effect, on the one hand to clear the pin 34 (the cover 31) of the spring 35 and, secondly to cooperate the pin 34 with the slope 26 of the frame 24 so that it switches in the clockwise direction around the joint 22.
  • the oblong slot 33 thus runs through the pin 32 while progressively the edge 27a of the notch 27 is retracted with a frame 24.
  • the lower end of the slot 33 comes into contact with the 32, the latter has completely escaped the slot 27 and can be shipped with the cover 31.
  • the pin 32 remaining in contact with the edge of the flange 24a of the frame 24 retains the reverse tilting of the chassis under the effect spring 23.
  • the notch 28 may no longer exist. Indeed, we have seen that the bottom 28a no longer serves as a stop pin 32 during closure since this function is provided by the edge 27b of the notch 27. In addition, the lateral retention of the pin 32 can be sufficiently insured by the edges of the oblong slot 33. On the other hand, the existence of an edge such as that 28b carried by the frame 21, opposite the print head 20 can only contribute to the improvement of the accuracy the position of the capstan 30 relative to the head 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

The device has a lever (7) hinged via its end to a structure element (1), where the lever has a branch (9) interfering with a defined trajectory along which a locking finger (5), carried by a structure element (2), is moved perpendicular to its own axis away from or towards the structure element (1) carrying an abutment (4a). The branch interferes with the trajectory above the abutment, and the finger is received in an oblong slot (6) of the element (2), to allow a limited amount of movement of the finger relative to the element (2) along the trajectory.

Description

La présente invention concerne un dispositif de retenue déverrouillable d'un doigt, par exemple solidaire d'un couvercle de boîtier, dans le fond d'une encoche ménagée dans le boîtier.The present invention relates to a releasable retainer of a finger, for example secured to a housing cover, in the bottom of a notch formed in the housing.

ARRIERE PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

Il existe de nombreux appareils ouvrants dans lesquels on verrouille un couvercle sur un boîtier ou un bâti, de manière déverrouillable. Parmi ceux-ci, on citera les imprimantes thermiques ouvrantes dont le bâti porte une tête d'impression et délimite un logement pour un rouleau de papier sensible thermiquement tandis qu'un couvercle ou un capot permet d'accéder à ce logement pour procéder au changement de rouleau tout en séparant à l'ouverture le cabestan de la tête d'impression afin de pouvoir aisément insérer le papier entre eux.There are many opening devices in which one locks a cover on a housing or frame, unlockably. Among these, there will be openable thermal printers whose frame carries a print head and defines a housing for a thermally sensitive paper roll while a cover or a cover provides access to this housing to make the change. while separating the capstan from the print head at the opening so that the paper can be easily inserted between them.

La fermeture du capot réalise le contact entre la ligne de points chauffants portée par la tête d'impression et le cabestan, entre lesquels défile le papier. Dans certains cas la fermeture est verrouillée par l'effort de contact de la tête sur le cabestan ; dans d'autres cas un verrou séparé est actionné à cet effet, avec l'inconvénient de devoir le manoeuvrer avant l'ouverture et après la fermeture du capot. Alors que le verrouillage par la tête est assuré par la seule fermeture du capot, son inconvénient réside dans le fait qu'il ne résiste pas bien à une inversion de la direction de l'entraînement du papier. Dans ce cas, en effet, la rotation du cabestan tend à le faire échapper de son contact avec la tête.Closing the cover makes contact between the line of heating points carried by the print head and the capstan, between which scrolls the paper. In some cases the closure is locked by the contact force of the head on the capstan; in other cases a separate lock is actuated for this purpose, with the disadvantage of having to maneuver before opening and after closing the cover. While locking by the head is provided by the only closure of the hood, its disadvantage lies in the fact that it does not withstand a reversal of the direction of the paper drive. In this case, in fact, the rotation of the capstan tends to make it escape from its contact with the head.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

Par la présente invention, on propose un dispositif qui conserve l'automaticité du verrouillage, accompli par la simple fermeture du capot et supprimé également lors de la simple manoeuvre à l'ouverture du capot, tout en constituant un blocage positif du cabestan par rapport à la tête d'impression pendant le fonctionnement de l'imprimante.By the present invention, there is provided a device which retains the automaticity of the locking, accomplished by the simple closing of the cover and also removed during the simple maneuver when opening the cover, while constituting a positive locking of the capstan relative to at the print head while the printer is running.

BREVE DESCRIPTION DE L'INVENTIONBRIEF DESCRIPTION OF THE INVENTION

A cet effet, l'invention a donc plus généralement pour objet un dispositif de retenue déverrouillable d'un doigt contre une butée portée par un premier élément de bâti, de laquelle le doigt, porté par un second élément de bâti, peut être éloigné ou rapproché selon une trajectoire définie, parallèlement à lui-même, comportant un organe entravant de manière escamotable cette trajectoire au-dessus de ladite butée, le doigt étant logé dans une lumière oblongue du second élément de bâti qui autorise un mouvement relatif limité du doigt et du second élément de bâti le long de ladite trajectoire.For this purpose, the invention therefore more generally relates to a releasable retainer of a finger against a stop carried by a first frame member, of which the finger, carried by a second frame member, can be moved away or moved along a defined path, parallel to itself, comprising a member retractably interlocking this path above said stop, the finger being housed in an oblong slot of the second frame member which allows a limited relative movement of the finger and of the second frame member along said path.

Cette mobilité du doigt par rapport à ce second élément de bâti, (par exemple un couvercle) constitue le moyen indispensable qui permet une commande mécanique par le seul mouvement, dans un sens ou dans l'autre, de ce couvercle, de l'escamotage de l'entrave au-dessus de la butée avant que le doigt ne l'atteigne et avant que le doigt ne la quitte.This mobility of the finger relative to this second frame member, (for example a cover) is the indispensable means that allows a mechanical control by the single movement, in one direction or the other, of the lid, the retraction the obstacle above the stop before the finger reaches it and before the finger leaves it.

Dans un premier mode de réalisation, l'organe escamotable d'entrave de la trajectoire comporte un levier avec une direction longitudinale, articulé par une extrémité au premier élément de bâti autour d'un axe parallèle à celui du doigt situé sensiblement en dessous de la butée et comprenant à son extrémité opposée à celle articulée une branche perpendiculaire à la direction longitudinale du levier, susceptible de croiser la trajectoire dans une position du levier vers laquelle il est en permanence sollicité par un organe élastique de rappel, le levier et le second élément de bâti possédant des cames coopérantes grâce auxquelles un mouvement relatif des deux éléments de bâti provoque un basculement du levier à l'encontre de l'organe élastique de rappel.In a first embodiment, the retractable obstacle hindering member comprises a lever with a longitudinal direction articulated at one end to the first frame member about an axis parallel to that of the finger located substantially below the stop and comprising at its end opposite to that articulated a branch perpendicular to the longitudinal direction of the lever, capable of crossing the path in a position of the lever to which it is permanently biased by an elastic return member, the lever and the second element frame having cooperating cams by which a relative movement of the two frame members causes a tilting of the lever against the elastic return member.

Plus précisément, l'une des cames est formée par le doigt lui-même tandis que la branche susdite du levier est surmontée par une came coopérant avec ce doigt possédant une pente de glissement du doigt par laquelle le levier est écarté de la trajectoire à l'encontre de l'effet de l'organe de rappel, lors du mouvement du doigt en direction de la butée. Une autre came est formée par un pion porté par le second élément de bâti alors que la came coopérante du levier comprend une pente, inclinée par rapport à la direction de la trajectoire, sur laquelle glisse le pion pour repousser ce levier à l'encontre de l'effet de l'organe élastique avant que le doigt ne soit éloigné de la butée.More specifically, one of the cams is formed by the finger itself while the aforesaid leg of the lever is surmounted by a cam cooperating with the finger having a sliding slope of the finger by which the lever is removed from the path to the against the effect of the return member, during the movement of the finger towards the stop. Another cam is formed by a pin carried by the second frame member while the cooperating cam of the lever comprises a slope, inclined relative to the direction of the trajectory, on which slides the pin to push this lever against the effect of the elastic member before the finger is away from the stop.

Dans un mode de réalisation de l'invention appliqué au domaine de l'impression thermique, la butée est constituée par le fond d'une encoche ménagée dans un premier élément de bâti d'une imprimante et l'organe d'entrave emprisonne sensiblement sans jeu le doigt dans l'encoche qui est l'extrémité d'un tourillon de cabestan.In one embodiment of the invention applied to the field of thermal printing, the abutment is constituted by the bottom of a notch formed in a first frame element of a printer and the obstacle member traps substantially without play the finger in the notch which is the end of a capstan spigot.

Mais, de manière préférée, dans ce cas d'application de l'invention, le levier est formé par une partie latérale, en forme de tôle découpée, perpendiculaire au cabestan, d'un châssis de la tête d'impression de l'imprimante, l'organe élastique de rappel est un organe de rappel de la tête contre le cabestan et la butée est formée par un bord d'une encoche ménagée dans le levier dont l'autre bord parallèle constitue l'organe d'entrave susdit.But, preferably, in this case of application of the invention, the lever is formed by a side portion, in the form of cut sheet metal, perpendicular to the capstan, a frame of the print head of the printer , the elastic return member is a return member of the head against the capstan and the abutment is formed by an edge of a notch formed in the lever whose other parallel edge is the aforementioned obstacle member.

Avec cette disposition, la position du cabestan par rapport à la ligne de points chauffants de la tête d'impression est assurée de manière précise car la chaîne de cotes à maîtriser est courte.With this arrangement, the position of the capstan relative to the line of heating points of the print head is provided precisely because the string of dimensions to be mastered is short.

Les surfaces de cames du levier résultent d'une découpe appropriée du bord du châssis de la tête d'impression tourné vers le cabestan.The cam surfaces of the lever result from proper cutting of the edge of the print head frame facing the capstan.

Le tourillon est logé sensiblement sans jeu dans l'encoche du levier tandis qu'un frein est prévu entre les deux éléments de bâti pour les assujettir par friction l'un à l'autre lorsque le doigt est dans l'encoche.The journal is housed substantially without play in the notch of the lever while a brake is provided between the two frame members for frictionally securing them to one another when the finger is in the notch.

Dans cette réalisation, on peut également prévoir une encoche dans le premier élément de bâti qui recevra le tourillon et permettra de le mieux guider que par la seule lumière oblongue qui le porte. Notamment, il sera utile qu'il existe au moins un bord d'appui latéral du tourillon opposé à la tête d'impression de manière à? ici aussi, disposer d'un positionnement précis du cabestan par rapport à la tête d'impression, ce bord appartenant au premier élément de bâti auquel est articulée la tête elle-même et donc la chaîne de cotes reliant le cabestan et la tête étant plus courte qu'en l'absence de ce bord (dont le rôle serait joué par la lumière oblongue), la chaîne de cotes comprenant alors le second élément de bâti et sa liaison - par exemple articulée - au premier élément de bâti.In this embodiment, it is also possible to provide a notch in the first frame member that will receive the pin and will guide better than the only oblong slot that carries it. In particular, it will be useful if there is at least one lateral support edge of the journal opposite to the print head so as to? here also, have a precise positioning of the capstan relative to the print head, this edge belonging to the first frame member which is articulated the head itself and therefore the chain of dimensions connecting the capstan and the head being more short that in the absence of this edge (which role would be played by the oblong slot), the string of dimensions then comprising the second frame member and its connection - for example hinged - to the first frame member.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

L'invention sera mieux comprise au cours de la description donnée ci-après de quelques exemples de sa réalisation.The invention will be better understood in the description given below of some examples of its implementation.

Il sera fait référence aux dessins annexés, parmi lesquels :

  • les figures 1 à 4 illustrent par des schémas un mode de réalisation de l'invention et le principe de son fonctionnement,
  • la figure 5 est une vue de côté schématique d'une imprimante thermique conforme à l'invention en phase de fermeture,
  • la figure 6 est une vue de côté schématique et partielle de l'imprimante de la figure 5 dans son état fermé,
  • la figure 7 est une vue de côté schématique d'une imprimante thermique conforme à l'invention en phase d'ouverture.
Reference will be made to the appended drawings, among which:
  • FIGS. 1 to 4 illustrate by diagrams an embodiment of the invention and the principle of its operation,
  • FIG. 5 is a schematic side view of a thermal printer according to the invention in the closing phase,
  • FIG. 6 is a schematic and partial side view of the printer of FIG. 5 in its closed state,
  • Figure 7 is a schematic side view of a thermal printer according to the invention in the opening phase.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

Aux figures 1 à 4 on a représenté deux éléments de bâti 1 et 2 mobiles l'un par rapport à l'autre selon la direction 3. Cette direction est ici représentée rectiligne mais en général elle sera circulaire puisque l'élément de bâti 2 est le plus souvent articulé à l'élément de bâti 1 autour d'un axe non représenté. En tout état de cause l'éloignement de cet axe par rapport à la direction 3 permet d'assimiler l'arc de cercle de cette direction à une droite. L'élément de bâti 2 peut donc être le couvercle d'un boîtier formant l'élément de bâti 1.FIGS. 1 to 4 show two frame elements 1 and 2 that are movable relative to each other in the direction 3. This direction is here represented rectilinear but in general it will be circular since the frame element 2 is most often articulated to the frame member 1 about an axis not shown. In any case, the distance of this axis from the direction 3 makes it possible to assimilate the arc of this direction to a straight line. The frame member 2 can therefore be the cover of a housing forming the frame member 1.

L'élément de bâti 1 possède une encoche 4 par exemple dans l'une de ses parois latérales 1a. Si l'élément de boîtier possède une autre paroi latérale parallèle à cette paroi 1a, cette dernière peut également comporter une encoche telle que 4. L'élément de bâti 2 peut par exemple être en forme de U, avec deux parois latérales telles que 2a qui viennent se glisser entre les parois telles que 1a lorsque l'élément de bâti 2 est rapproché de l'élément de bâti 1. Il est équipé d'un doigt 5 de verrouillage monté flottant dans une lumière oblongue 6 ménagée dans les parois latérales telles que 2a. Ce doigt peut être l'extrémité d'un axe transversal perpendiculaire au plan de figure, et faisant saillie à l'extérieur des parois latérales telles que 2a de l'élément de bâti 2 pour atteindre le fond 4a de l'encoche 4. On comprend que lorsque le bâti 2 est déplacé le long de la direction 3, le doigt 5 donc l'axe dont il constitue l'extrémité, se déplace parallèlement à lui-même.The frame member 1 has a notch 4, for example in one of its side walls 1a. If the housing element has another side wall parallel to the wall 1a, the latter may also comprise a notch such as 4. The frame element 2 may for example be U-shaped, with two side walls such that 2a which get between the walls such as 1A when the frame member 2 is brought closer to the frame member 1. It is equipped with a mounted locking finger 5 of floating in an oblong slot formed in the walls 6 lateral ones such as 2a. This finger can be the end of a transverse axis perpendicular to the figure plane, and projecting outside the side walls such that 2a of the frame member 2 to reach the bottom 4a of the notch 4 It is understood that when the frame 2 is moved along the direction 3, the finger 5 and the axis which it constitutes the end, moves parallel to itself.

Un levier 7 est articulé par son extrémité 8 sur l'élément de bâti 1 autour d'un axe qui est parallèle à l'axe du doigt 5. Ce levier possède à son extrémité opposée à l'articulation 8, une branche en retour 9 qui dans une certaine position barre l'entrée de l'encoche 4. Un ressort 10 agit sur le levier pour le rappeler constamment dans une position d'obturation de l'entrée de l'encoche 4. Une butée non représentée limite le basculement du levier 7 autour de son articulation 8 sous l'effet du ressort 10. Le levier 7 comporte une came 11 présentant deux pentes, 11a et 11b. L'inclinaison de ces pentes est telle qu'un pion 12 solidaire de l'élément de bâti 2 peut glisser sur la pente 11a lorsque cet élément est rapproché de l'élément de bâti 1 selon la direction 3 ce qui conduit à repousser le levier 7 à l'encontre de l'effet du ressort 10 donc à libérer l'encoche 4 de l'entrave 9.A lever 7 is articulated by its end 8 to the frame member 1 about an axis which is parallel to the axis of the finger 5. This lever has at its end opposite the hinge 8, a return leg 9 which in a certain position blocks the entrance of the notch 4. A spring 10 acts on the lever to recall it constantly in a closed position of the inlet of the notch 4. An abutment not shown limits the tilting of the lever 7 around its hinge 8 under the effect of the spring 10. The lever 7 comprises a cam 11 having two slopes , 11a and 11b. The inclination of these slopes is such that a pin 12 integral with the frame member 2 can slide on the slope 11 when this element is moved closer to the frame member 1 in the direction 3 which leads to reject the lever 7 against the effect of the spring 10 thus to release the notch 4 of the obstacle 9.

La figure 2 illustre l'instant du rapprochement des deux éléments de bâti ou la branche 9 est totalement à l'extérieure de l'encoche 4. La poursuite du glissement du pion 12 sur la came 11 maintient le levier 7 écarté de l'encoche 4 ce qui permet au doigt 5 de s'y loger.FIG. 2 illustrates the instant of bringing the two frame elements closer together or the branch 9 is totally outside the notch 4. The continued sliding of the pin 12 on the cam 11 keeps the lever 7 away from the notch 4 which allows the finger 5 to lodge there.

Une fois que le doigt 5 est dans l'encoche le levier 7 est repoussé en direction de cette encoche par le ressort 10 puisque, comme l'illustre la figure 3, l'élément de bâti 2 continue de se rapprocher de l'élément de bâti 1. Le pion 12 passe donc du côté de la rampe inclinée 11b alors que grâce à la lumière 6 le doigt 5 reste immobile par rapport à l'élément de bâti 1. Dans cet état, le doigt 5 est non seulement verrouillé pour ne pas pouvoir sortir de l'encoche 4 s'il est sujet à un effort tendant à le faire sortir. En effet la branche 9 du levier 7 constitue une butée franche s'opposant à ce mouvement. En outre, les dimensions du levier 7 sont déterminées en relation avec les positions relatives de l'articulation 8 du fond 4a de l'encoche, du diamètre du doigt 5 et de la distance séparant la branche 9 de l'articulation 8, de manière que lorsque le verrouillage est opéré comme l'illustre la figure 3, le doigt 5 est maintenu sans jeu donc sans possibilité de mouvement sensible dans le fond de la gorge 4 par la branche 9. Ce maintien en position précise présente des avantages qui seront expliqués ci-après.Once the finger 5 is in the notch the lever 7 is pushed towards this notch by the spring 10 since, as shown in Figure 3, the frame member 2 continues to approach the element of 1. The pin 12 therefore passes on the side of the inclined ramp 11b while with the light 6 the finger 5 remains stationary relative to the frame member 1. In this state, the finger 5 is not only locked to not be able to leave the notch 4 if it is subject to an effort tending to make out. Indeed the branch 9 of the lever 7 constitutes a free stop opposing this movement. In addition, the dimensions of the lever 7 are determined in relation to the relative positions of the articulation 8 of the bottom 4a of the notch, the diameter of the finger 5 and the distance separating the arm 9 from the articulation 8, so that when the locking is operated as shown in Figure 3, the finger 5 is held without play so no possibility of significant movement in the bottom of the groove 4 by the arm 9. This holding in position There are advantages to this, which will be explained below.

Contrairement à un effort de soulèvement qui serait appliqué directement au doigt 5 et qui est contré par la branche 9 du levier 7, un actionnement de l'élément de bâti 2 dans une direction l'éloignant de l'élément de bâti 1 permet par la coopération du pion 12 et sa coopération avec la pente 11b de la came 11 solidaire du levier 7, de faire basculer le levier 7 autour de l'articulation 8 et ce, grâce à la lumière 6, sans entraîner le doigt 5 puisque l'élément de bâti 2 peut sur la longueur de la lumière 6 se mouvoir indépendamment du doigt 5. Lorsque l'extrémité inférieure de la lumière 6 vient en contact avec le doigt 5, la branche 9 du levier 7 est totalement escamotée de l'ouverture de l'encoche 4 et le doigt 5 peut être extrait de cette encoche. La figure 4 illustre l'instant de contact de l'extrémité de la lumière 6 avec le doigt 5 au moment du début de son extraction de l'encoche 4.Unlike a lifting force that would be applied directly to the finger 5 and which is countered by the leg 9 of the lever 7, an actuation of the frame member 2 in a direction away from the frame member 1 allows by the cooperation of the pin 12 and its cooperation with the slope 11b of the cam 11 integral with the lever 7, to tilt the lever 7 around the hinge 8 and this, thanks to the light 6, without dragging the finger 5 since the element of frame 2 can along the length of the light 6 move independently of the finger 5. When the lower end of the light 6 comes into contact with the finger 5, the leg 9 of the lever 7 is completely retracted from the opening of the notch 4 and the finger 5 can be extracted from this notch. FIG. 4 illustrates the instant of contact of the end of the light 6 with the finger 5 at the moment of the beginning of its extraction from the notch 4.

A la figure 5 on a représenté une vue de côté d'une imprimante thermique ouvrante comportant de manière connue une tête d'impression 20 articulée à un bâti fixe 21 autour d'un axe 22 et sollicitée en permanence vers la gauche de la figure autour de l'articulation 22 contre une butée non représentée par un ressort 23. Le bâti 21, dont on ne voit qu'un flanc latéral sur la figure est en forme de U entre les deux ailes duquel peut pivoter la tête d'impression 20 ou plus exactement, le châssis 24 qui la porte. Les ailes telles que 24a de ce châssis, portant l'articulation 22, forment la came 11 décrite ci-avant. Le bord de ces ailes présente deux pentes 25 et 26 qui sont des pentes semblables aux pentes 11a et 11b décrites ci-avant. L'aile 24a joue donc le rôle du levier 7 et le bord supérieur 27a d'une encoche 27 constitue la branche 9 de ce levier. On constate que la pente 25 surmonte le bord 27a de l'encoche 27 tandis que la pente 26 est située sous cette encoche.FIG. 5 shows a side view of an opening thermal printer comprising, in a known manner, a printing head 20 articulated to a fixed frame 21 about an axis 22 and permanently biased toward the left of the figure around the hinge 22 against a stop not shown by a spring 23. The frame 21, which we only see a side flank in the figure is U-shaped between the two wings of which can rotate the print head 20 or more precisely, the frame 24 which carries it. The wings such as 24 a of this frame, bearing the hinge 22, form the cam 11 described above. The edge of these wings has two slopes 25 and 26 which are similar to the slopes 11 slopes and 11b described above. The wing 24 therefore acts as the lever 7 and the upper edge 27 has a notch 27 is the branch 9 of this lever. It is noted that the slope 25 overcomes the edge 27a of the notch 27 while the slope 26 is located under this notch.

L'imprimante représentée comporte un couvercle 31 qui forme un bâti de support d'un cabestan 30 supporté par ce bâti 31 au moyen de tourillons d'extrémité 32. Ces tourillons d'extrémité 32 sont logés dans une lumière oblongue 33 de sorte que le couvercle 31, des tourillons 32 et la lumière 33 sont les équivalents respectivement de l'élément de bâti 2, du doigt 5 et de la lumière oblongue 6.The illustrated printer comprises a cover 31 which forms a support frame of a capstan 30 supported by this frame 31 by means of end trunnions 32. These end trunnions 32 are housed in an oblong slot 33 so that the cover 31, journals 32 and the light 33 are the equivalents respectively of the frame member 2, the finger 5 and the oblong slot 6.

On aura noté sur cette figure la présence d'une encoche 28 ménagée dans les deux parois latérales du bâti 21 fixe de l'imprimante cette encoche 28 présentant un fond 28a qui est dans le cas de la figure 5 surplombé par le bord 27a de l'encoche 27 de l'aile 24a du châssis 24.It will be noted in this figure the presence of a notch 28 formed in the two side walls of the fixed frame 21 of the printer that notch 28 having a bottom 28a which is in the case of Figure 5 overhung by the edge 27a of the notch 27 of the wing 24a of the frame 24.

On mentionnera également, solidaire du couvercle 31, un pion 34 situé sous le tourillon 32 et décalé vers la gauche par rapport à celui-ci de sorte que ce tourillon 34 n'entre pas au contact de l'aile 24a du châssis 24 lors du mouvement de la fermeture du couvercle.Also mentioned, secured to the cover 31, a pin 34 located under the pin 32 and shifted to the left relative thereto so that the pin 34 does not come into contact with the wing 24a of the frame 24 during the movement of the lid closure.

Pendant ce mouvement le tourillon 32 rencontre la pente 25 de l'aile 24a et repousse ce châssis 24 en pivotement autour de l'articulation 22 contre l'effet du ressort de rappel 23. Lorsque le tourillon 32 a dépassé le bord 27a de l'encoche 27, le châssis 24 peut pivoter en sens contraire, le tourillon 32 étant alors logé à l'intérieur de l'encoche 27.During this movement the pin 32 meets the slope 25 of the flange 24 a and pushes the frame 24 to pivot about the hinge 22 against the effect of the return spring 23. When the pin 32 has passed the edge 27 a the notch 27, the frame 24 can pivot in the opposite direction, the pin 32 then being housed inside the notch 27.

Le tourillon 32 pourrait atteindre le fond 28a de l'encoche 28. On se trouverait alors dans le cas de fonctionnement décrit en regard des figures précédentes. Mais, en réalité, il faut noter une différence de réalisation significative entre le dispositif selon cette figure 5 et le dispositif selon les schémas des figures 1 à 4. Ici en effet, la largeur de l'encoche 27 est égale au diamètre du tourillon 32. En outre, le bord 27b opposé au bord 27a de cette encoche est plus éloigné de l'articulation 22 que le bord 28a du fond de l'encoche 28 ménagée dans le bâti fixe 21. Ainsi le tourillon 32 est-il immobilisé dans l'encoche 28 par l'intermédiaire de l'encoche 27 dont le bord 27b joue le rôle du bord 28a de l'encoche 28 dans le fonctionnement décrit précédemment. Cette disposition est intéressante dans le cadre d'une impression thermique car l'encoche 27 est réalisée dans le châssis 24 qui porte la tête d'impression 20 donc la ligne de point chauffant qui viendra au contact du cabestan 30. On comprend qu'en immobilisant le tourillon 32 dans l'encoche 27, on fixe la position de la génératrice du cabestan 30 qui sera en contact avec la ligne de point chauffant de la tête 20 par le moyen d'une chaîne de côte très courte. Selon le mode de réalisation des figures 1 à 4, la chaîne de côte serait immanquablement passée par l'articulation 22, ce qui aurait augmenté considérablement l'imprécision de la position du cabestan par rapport à la ligne de points chauffants.The pin 32 could reach the bottom 28a of the notch 28. It would then be in the case of operation described with reference to previous figures. But, in reality, we must note a difference of achievement significant between the device according to this Figure 5 and the device according to the diagrams of Figures 1 to 4. Here indeed, the width of the notch 27 is equal to the diameter of the pin 32. In addition, the edge 27 b opposite the edge 27 a of this notch is further from the hinge 22 than the edge 28a of the bottom of the notch 28 formed in the fixed frame 21. Thus the pin 32 is immobilized in the notch 28 via the notch 27 whose edge 27 b acts as the edge 28a of the notch 28 in the operation described above. This arrangement is interesting in the context of a thermal printing because the notch 27 is made in the frame 24 which carries the print head 20 so the heating point line that will come into contact with the capstan 30. It is understood that immobilizing the pin 32 in the notch 27, it fixes the position of the generatrix of the capstan 30 which will be in contact with the heating point line of the head 20 by means of a very short side chain. According to the embodiment of FIGS. 1 to 4, the edge chain would inevitably have passed through the hinge 22, which would have considerably increased the inaccuracy of the position of the capstan with respect to the line of heating points.

Lorsque donc l'imprimante est totalement fermée comme représentée à la figure 6, le pion 34 est situé en regard de la pente 26 de l'aile latérale 24a du châssis 24. On notera que ce pion 34, ou tout autre ergot solidaire du couvercle 31, peut également coopérer avec une lame de ressort 35 portée par le bâti 21 qui constitue un frein pour empêcher tout mouvement relatif du couvercle 31 par rapport au cabestan 30 qui est immobilisé dans l'encoche 27.When the printer is completely closed as shown in Figure 6, the pin 34 is located opposite the slope 26 of the lateral flange 24a of the frame 24. Note that this pin 34, or any other lug integral with the lid 31, can also cooperate with a leaf spring 35 carried by the frame 21 which constitutes a brake to prevent relative movement of the cover 31 relative to the capstan 30 which is immobilized in the notch 27.

A la figure 7 le dispositif est représenté dans un état en phase d'ouverture. Un opérateur agit sur le couvercle 31 dans le sens de l'ouverture de l'imprimante ce qui a pour effet, d'une part de dégager le pion 34 (le couvercle 31) du ressort 35 et, d'autre part de faire coopérer ce pion 34 avec la pente 26 du châssis 24 de sorte que celui-ci bascule dans le sens horaire autour de l'articulation 22. La lumière oblongue 33 parcourt donc le tourillon 32 tandis que progressivement le bord 27a de l'encoche 27 est escamoté avec un châssis 24. Lorsque l'extrémité inférieure de la lumière 33 arrive au contact du tourillon 32, ce dernier a complètement échappé à l'encoche 27 et peut donc être embarqué avec le couvercle 31. Le tourillon 32 restant au contact du bord de l'aile 24a du châssis 24 retient le basculement inverse de ce châssis sous l'effet du ressort 23.In Figure 7 the device is shown in a state in the open phase. An operator acts on the cover 31 in the direction of the opening of the printer which has the effect, on the one hand to clear the pin 34 (the cover 31) of the spring 35 and, secondly to cooperate the pin 34 with the slope 26 of the frame 24 so that it switches in the clockwise direction around the joint 22. The oblong slot 33 thus runs through the pin 32 while progressively the edge 27a of the notch 27 is retracted with a frame 24. When the lower end of the slot 33 comes into contact with the 32, the latter has completely escaped the slot 27 and can be shipped with the cover 31. The pin 32 remaining in contact with the edge of the flange 24a of the frame 24 retains the reverse tilting of the chassis under the effect spring 23.

Il a donc fallu à l'opérateur aucune autre manipulation ou action que celle consistant à ouvrir l'imprimante, c'est-à-dire à éloigner le couvercle 31 du bâti 21. La simplicité de manipulation par rapport aux imprimantes verrouillées par la tête d'impression est conservée. En revanche sont nettement amélioré d'une part l'effort de maintien de l'imprimante fermée et d'autre part l'imprécision des positions relatives entre le cabestan et la tête d'impression.It therefore took the operator no other manipulation or action than that of opening the printer, that is to say, to move the cover 31 away from the frame 21. The simplicity of handling compared to the printers locked by the head printing is retained. On the other hand, the effort to maintain the closed printer and the inaccuracy of the relative positions between the capstan and the print head are markedly improved.

Dans une variante non représentée, l'encoche 28 pourrait ne plus exister. En effet, on a vu que le fond 28a ne sert plus de butée au tourillon 32 lors de la fermeture puisque cette fonction est assurée par le bord 27b de l'encoche 27. En outre, le maintien latéral du tourillon 32 peut être suffisamment assuré par les bords de la lumière oblongue 33. En revanche l'existence d'un bord tel que celui 28b porté par le châssis 21, à l'opposé de la tête d'impression 20 ne peut que contribuer à l'amélioration de la précision de la position du cabestan 30 par rapport à la tête 20.In a variant not shown, the notch 28 may no longer exist. Indeed, we have seen that the bottom 28a no longer serves as a stop pin 32 during closure since this function is provided by the edge 27b of the notch 27. In addition, the lateral retention of the pin 32 can be sufficiently insured by the edges of the oblong slot 33. On the other hand, the existence of an edge such as that 28b carried by the frame 21, opposite the print head 20 can only contribute to the improvement of the accuracy the position of the capstan 30 relative to the head 20.

Claims (9)

Dispositif de retenue déverrouillable d'un doigt (5,32) contre une butée (4a,27b,28a)portée par un premier élément de bâti (1,21), de laquelle le doigt (5,32), porté par un second élément de bâti (2,31), peut être éloigné ou rapproché selon une trajectoire (3) définie, parallèlement à lui-même, comportant un organe (9,27a) entravant de manière escamotable cette trajectoire au-dessus de la dite butée (4a,27b,28a), caractérisé en ce que le doigt (5,32) est logé dans une lumière oblongue (6,33) du second (2,31) élément de bâti qui autorise un mouvement relatif limité du doigt (5,32) et du second élément (2,31) de bâti le long de ladite trajectoire (3).Device for releasably retaining a finger (5,32) against a stop (4a, 27b, 28a) carried by a first frame member (1,21), of which the finger (5,32), carried by a second frame element (2, 31), can be moved away from or towards a defined path (3), parallel to itself, comprising a member (9, 27a) retractably interfering with this path above said stop ( 4a, 27b, 28a), characterized in that the finger (5,32) is housed in an oblong slot (6,33) of the second (2,31) frame member which allows a limited relative movement of the finger (5, 32) and the second frame element (2,31) along said path (3). Dispositif selon la revendication 1, caractérisé en ce que l'organe escamotable d'entrave de la trajectoire comporte un levier (7,24a) avec une direction longitudinale, articulé par une extrémité (8,22) au premier (1,21) élément de bâti autour d'un axe parallèle à celui du doigt (5,32) situé sensiblement en dessous de la butée (4a,27b,28a) et comprenant à son extrémité opposée à celle articulée une branche (9,27a) perpendiculaire à la direction longitudinale du levier, susceptible de croiser la trajectoire (3) dans une position du levier vers laquelle il est en permanence sollicité par un organe élastique de rappel (10,23), le levier et le second élément de bâti possédant des cames (11,11a,11b,25,26,12, 34,32,) coopérantes grâce auxquelles un mouvement relatif des deux éléments de bâti provoque un basculement du levier à l'encontre de l'organe élastique de rappel.Device according to claim 1, characterized in that the retractable obstacle hindering member comprises a lever (7,24a) with a longitudinal direction, articulated by one end (8,22) to the first (1,21) element frame about an axis parallel to that of the finger (5,32) located substantially below the stop (4a, 27b, 28a) and comprising at its end opposite to that hinged a branch (9,27a) perpendicular to the longitudinal direction of the lever, capable of crossing the path (3) in a position of the lever to which it is permanently urged by an elastic return member (10,23), the lever and the second frame member having cams (11). , 11a, 11b, 25,26,12, 34,32,) cooperating with which a relative movement of the two frame members causes a tilting of the lever against the elastic return member. Dispositif selon la revendication 2, caractérisé en ce que l'une des cames (32) est formée par le doigt (32) lui-même tandis que la branche (9,27a) susdite du levier est surmontée par une came coopérant avec ce doigt possédant une pente (25) de glissement du doigt par laquelle le levier (24a) est écarté de la trajectoire (3) à l'encontre de l'effet de l'organe de rappel (23), lors du mouvement du doigt (32) en direction de la butée (27b).Device according to claim 2, characterized in that one of the cams (32) is formed by the finger (32) itself while the aforementioned leg (9,27a) of the lever is surmounted by a cam cooperating with this finger having a slope (25) of sliding of the finger by which lever (24a) is spaced from the path (3) against the effect of the return member (23), during the movement of the finger (32) towards the stop (27b). Dispositif selon la revendication 3, caractérisé en ce que une autre came (12,34) est formée par un pion porté par le second élément (2,31) de bâti alors que la came coopérante du levier (7,24a) comprend une pente (11b,26), inclinée par rapport à la direction (3) de la trajectoire, sur laquelle glisse le pion pour repousser ce levier à l'encontre de l'effet de l'organe élastique avant que le doigt ne soit éloigné de la butée.Device according to claim 3, characterized in that another cam (12,34) is formed by a pin carried by the second frame element (2,31) while the cooperating cam of the lever (7,24a) comprises a slope (11b, 26), inclined relative to the direction (3) of the trajectory, on which slides the pin to push this lever against the effect of the elastic member before the finger is away from the stop. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que la butée est constituée par le fond (4a,28a) d'une encoche (4,28) ménagée dans le premier élément (1,21) de bâti.Device according to one of claims 1 to 4, characterized in that the stop is constituted by the bottom (4a, 28a) of a notch (4.28) formed in the first element (1.21) frame. Dispositif selon la revendication 5, caractérisé en ce que l'organe d'entrave (9,) emprisonne sensiblement sans jeu le doigt dans l'encoche (4).Device according to claim 5, characterized in that the obstacle member (9) impinges substantially without play on the finger in the notch (4). Dispositif selon l'une des revendications 2 à 4, caractérisé en ce que le doigt est constitué par un tourillon (32) de cabestan (30) d'imprimante thermique, le levier étant formé par une partie latérale (24a), en forme de tôle découpée, perpendiculaire au cabestan, d'un châssis (24) de la tête (20) d'impression de l'imprimante, l'organe élastique (23) de rappel étant un organe de rappel de la tête contre le cabestan et la butée étant formée par un bord (27b) d'une encoche (27) ménagée dans le levier (24a) dont l'autre bord (27a) constitue l'organe d'entrave susdit.Device according to one of claims 2 to 4, characterized in that the finger is constituted by a pin (32) of capstan (30) thermal printer, the lever being formed by a lateral portion (24a), shaped cut sheet, perpendicular to the capstan, of a frame (24) of the printing head (20) of the printer, the elastic member (23) of return being a member for returning the head against the capstan and the abutment being formed by an edge (27b) of a notch (27) formed in the lever (24a), the other edge (27a) constitutes the aforementioned obstacle member. Dispositif selon la revendication 7, caractérisé en ce que les surfaces de cames (25,26) du levier (24a) résultent d'une découpe appropriée de son bord tourné vers le cabestan.Device according to claim 7, characterized in that the cam surfaces (25,26) of the lever (24a) result from a suitable cut of its edge turned towards the capstan. Dispositif selon la revendication 7, caractérisé en ce que le tourillon (32) est logé sensiblement sans jeu dans l'encoche (27) du levier tandis qu'un frein (35) est prévu entre les deux éléments de bâti pour les assujettir par friction l'un à l'autre lorsque le doigt est dans l'encoche.Device according to claim 7, characterized in that the journal (32) is housed substantially without play in the notch (27) of the lever while a brake (35) is provided between the two frame members for frictionally securing them to one another when the finger is in the notch.
EP06291109A 2005-08-03 2006-07-05 Device for releasable securing a lock bolt in a latch Withdrawn EP1749671A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0508283A FR2889555B1 (en) 2005-08-03 2005-08-03 DEVICE FOR RETENERATING A FINGER IN THE BACKGROUND OF AN INSERT

Publications (1)

Publication Number Publication Date
EP1749671A1 true EP1749671A1 (en) 2007-02-07

Family

ID=36218366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291109A Withdrawn EP1749671A1 (en) 2005-08-03 2006-07-05 Device for releasable securing a lock bolt in a latch

Country Status (3)

Country Link
US (1) US20070030331A1 (en)
EP (1) EP1749671A1 (en)
FR (1) FR2889555B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2353875A1 (en) * 2010-02-02 2011-08-10 Seiko Instruments Inc. Printer
US8585305B2 (en) 2010-02-02 2013-11-19 Seiko Instruments Inc. Printer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6351502B2 (en) * 2014-12-24 2018-07-04 セイコーインスツル株式会社 Printing unit and thermal printer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000032404A1 (en) * 1998-12-02 2000-06-08 Societe A.P.S. Engineering S.A.R.L. Thermal printing device with fast closure
FR2829964A1 (en) * 2001-09-21 2003-03-28 Axiohm OPENABLE AND LOCKABLE THERMAL PRINTING DEVICE
EP1323535A2 (en) * 2001-12-28 2003-07-02 Sii P & S Inc. Thermal printer
US20040119808A1 (en) * 2002-12-18 2004-06-24 Fujitsu Component Limited Thermal printer having a reduced size

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000032404A1 (en) * 1998-12-02 2000-06-08 Societe A.P.S. Engineering S.A.R.L. Thermal printing device with fast closure
FR2829964A1 (en) * 2001-09-21 2003-03-28 Axiohm OPENABLE AND LOCKABLE THERMAL PRINTING DEVICE
EP1323535A2 (en) * 2001-12-28 2003-07-02 Sii P & S Inc. Thermal printer
US20040119808A1 (en) * 2002-12-18 2004-06-24 Fujitsu Component Limited Thermal printer having a reduced size

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2353875A1 (en) * 2010-02-02 2011-08-10 Seiko Instruments Inc. Printer
US8585305B2 (en) 2010-02-02 2013-11-19 Seiko Instruments Inc. Printer

Also Published As

Publication number Publication date
FR2889555A1 (en) 2007-02-09
US20070030331A1 (en) 2007-02-08
FR2889555B1 (en) 2007-10-05

Similar Documents

Publication Publication Date Title
EP2183016B1 (en) Clamp for a flexible tube, pump provided with means for opening such a clamp, and infusion kit provided with such a clamp
EP0857844B1 (en) Guiding device for a sliding and swaying wing closing an opening
EP1644604A2 (en) Latch for joining two panels of an airplane structure
FR2695343A1 (en) Centralized control mechanism, with incorporated safety devices, for a sealed transfer device between two enclosed volumes.
WO2013053844A1 (en) Highly safe control mechanism for a device for the sealed transfer between two closed spaces
EP1939384B1 (en) Device for locking an opening made in the body of a vehicle with a mobile pin forming a bolt, and corresponding vehicle
EP1749671A1 (en) Device for releasable securing a lock bolt in a latch
WO2000032404A1 (en) Thermal printing device with fast closure
EP0972663B1 (en) Closing device for an opening in a vehicle body, with a handle with an inclined plane
CA2423693A1 (en) Mechanism for manoeuvring a door
EP2956278B1 (en) Utility kinfe with automatically retractable blade
EP0246989B1 (en) Security door, especially for boxes, cases and saves
FR2703720A1 (en) Automatic locking device for a door, in particular a tilting door.
FR2815069A1 (en) Unlocking mechanism of mechanically driven shutters comprises small rod pivoted at one end on shutter driving arm and sliding at other end on shutter
EP4105418B1 (en) Device for immobilising a door of a motor vehicle to the body of the latter
EP2597241A1 (en) Retaining assembly for sliding door and corresponding installation
EP0959037A1 (en) Winch for the traction of a cable of an assembly like an opening panel, safety device and installation with the winch
EP0028973A1 (en) Actuating device for an up-and-over door, and door so equipped
FR2683579A1 (en) Arrangement for locking a movable member for closing an opening, such as a door
EP4163136A1 (en) Body assembly including a door retainer
FR2922575A1 (en) Door leaf's movement switching device for opening of e.g. building, has cam element pivoted from stable angular position to another stable angular position under effect of pressure effort exerted by guiding slide
FR2674896A1 (en) Closure device, particularly for jambs of windows or the like
FR2709779A3 (en) Casement lock with security unlocking and casement equipped with such a lock
FR2893547A1 (en) Fuel tank flap for motor vehicle, has shutter with assembly having axle engaged in drum, and compression spring supported against ring and bottom wall, so that shutter is integrated with bowl and displaced towards its closing position
EP0949397A1 (en) Device for the mounting with translation of a sliding window, in particular on a vehicle door

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

AKX Designation fees paid
REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20070808