EP3202588B1 - Drawing compass with lock - Google Patents

Drawing compass with lock Download PDF

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Publication number
EP3202588B1
EP3202588B1 EP17000135.8A EP17000135A EP3202588B1 EP 3202588 B1 EP3202588 B1 EP 3202588B1 EP 17000135 A EP17000135 A EP 17000135A EP 3202588 B1 EP3202588 B1 EP 3202588B1
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EP
European Patent Office
Prior art keywords
locking head
compass
locking
arms
drawing compass
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EP17000135.8A
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German (de)
French (fr)
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EP3202588A1 (en
Inventor
François VIEIRA
Jocelyne Le Guidec
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Safetool
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Safetool
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/02—Compasses

Definitions

  • the present invention relates to a drawing compass. It relates more particularly to a compass comprising an arm locking device.
  • Drawing compasses have been well known for many decades. In general, the drawing compass makes it possible to draw circles or arcs of circles with great precision and regularity. Nevertheless, it is common for the angular spacing between the arms to vary during use, resulting in erroneous tracing.
  • the drawing compass is a tool that we meet especially in the school environment. It is particularly aimed at an audience of young children or teenagers. It must be practical, light, manageable, and safe.
  • the document FR2495062 discloses a compass comprising segments of plastic branches which comprise molded head hinge elements and metal elements made integral with the plastic segments by molding them or by fitting connections or the like.
  • segments of plastic branches which comprise molded head hinge elements and metal elements made integral with the plastic segments by molding them or by fitting connections or the like.
  • the gap between the branches may vary.
  • the document FR2871730 presents a drawing compass in which the two branches of the compass are articulated by sectors or disks of respective articulation in a clevis.
  • An eccentric lever pivotally mounted on the side, of a wing of the yoke, about an axis parallel to the plane of the branches, slides, from one side of the yoke, in a direction orthogonal to the plane of the branches, an axis blocking.
  • the locking pin acts, directly or indirectly, on sectors or articulation disks of the branches and / or on a member kinematically connected to these sectors or disks hinge so as to lock in rotation the branches of the compass.
  • the document WO2012035562 has an integrated axial locking system so as to obtain a locking and unlocking mechanism for the lateral arms of the drawing compass.
  • the system operates through a locking assembly with multi-threaded screws placed at both ends of the drawing compass rod.
  • This solution has the disadvantage of being time consuming for the user.
  • the technical device implementation is also relatively complex and expensive.
  • the document FR3014360 has a drawing compass comprising two branches pivotally mounted about an axis of rotation (AA) substantially perpendicular to the plane in which the branches extend, a clevis housing a hinge end of each branch and comprising at least one covering flange the articulation end of each branch, a holding member designed to hold the branches and the yoke together, a locking device comprising a lever, the lever being rotatably mounted about the axis of rotation (AA) of said branches; and being held together by the holding member with the legs and the yoke, the lever being adapted to move from a rest position in which the rotational movement of the legs is free, to a locking position in which the position of the branches is blocked by applying a force on the wing of the yoke so that the wing of the clevis constrains each end of articulation of the branches housed d in the screed.
  • AA axis of rotation
  • the axis of rotation of the locking device involves for the user to move the lever, which can lead during movement to a difficulty in maintaining the desired exact gap of the arms.
  • the document US1436143 describes a compass with arm locking device.
  • a movable locking head acts on the arms of the compass by means of an intermediate part cooperating on the one hand with the locking head and on the other hand with the arms.
  • the resulting locking system is relatively complex, expensive, and unreliable, because of the risk of breakage of the intermediate piece, subject to significant effort.
  • the invention provides various technical means.
  • a first object of the invention is to provide a drawing compass whose use is facilitated by a locking device of the arms.
  • Another object of the invention to provide an easy to use drawing compass and well suited to an audience of young children or adolescents unaccustomed to handle this type of object.
  • Yet another object of the invention is to provide a locking system for a simple, inexpensive, and reliable compass.
  • the invention provides a drawing compass consisting of two arms arranged around a pivot point and provided at their proximal end of the pivot point of a shoulder area, the arms being rotatable between a angular opening position and a closed position, the ends of the arms located near the pivot point ending in pivoting support planes mounted against each other, the compass further comprising a locking system composed of a locking head, a rotation mechanism activation cap and a threaded interface, the locking head being able to be displaced axially by the activation cap between an unlocking position, when the locking head is at a distance from the shoulders and a locking position, when the locking head is in direct contact with the shoulders, the axially outer end of said support planes an arcuate profile forming shoulder surfaces serving as bearing surfaces for the locking system to prevent angular movement of the arms.
  • Such an architecture has the advantage of facilitating the use of the compass by locking its arms. The user is therefore assured to maintain an equal distance of the arms during the manipulation of the drawing compass.
  • the direct contact between the locking head and the shoulders ensures efficient and reliable locking. As no intermediate piece is present between the locking head and the shoulders, the system is simple, inexpensive, and does not present a risk of damage by breaking an intermediate piece.
  • the activation cap is simple to handle for the user, without risk for it to lose the desired distance from his arms.
  • the locking device provides a safety when closing the compass, since it is held rigidly closed.
  • the clamping axis of the locking head coincides with the longitudinal axis of the drawing compass.
  • each arm has a pivot plane, the two pivoting planes being separated by a guide ring.
  • the guide ring comprises an axial finger cooperating with an axial channel provided in the locking head.
  • the locking head and / or the shoulders have anti-slip means.
  • the locking head and / or the shoulders are notched.
  • the drawing compass 1 comprises two arms 2 pivotally mounted about an axis 3.
  • the ends of the arms located near the pivot point terminate in pivoting support planes 5 mounted against each other,
  • the bearing planes are substantially flat, with surfaces facilitating angular pivoting movement between the elements.
  • the axially outer end of the support planes 5 follows an arcuate profile forming shoulder surfaces 4. These shoulders serve as bearing surfaces for the locking system 10 described below.
  • the locking system 10 provides a locking head 11 arranged in the extension of the arms and support planes 5.
  • This head is axially movable between a locking position, as illustrated in FIG. Figure 2A , in which the head is in direct contact with the shoulders 4, preventing the angular movement of the arms 2, and an unlocking position, shown in FIG. Figure 2B , in which the head is at a distance from the shoulders 4, releasing the angular movement of the arms 2.
  • the axial displacement of the locking head 11 is controlled by a screw system, comprising on the one hand a threaded rod 13 arranged in the axial extension of the locking head 11 and a nut 12 housed in a control cap 17 connected to the Lock system.
  • a guide rod 15 extends in the extension of the guide ring 16 and slides axially in an axial channel 14 provided in the locking head 11.

Landscapes

  • Pivots And Pivotal Connections (AREA)

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

La présente invention concerne un compas de dessin. Elle concerne plus particulièrement un compas comprenant un dispositif de verrouillage des bras.The present invention relates to a drawing compass. It relates more particularly to a compass comprising an arm locking device.

ETAT DE LA TECHNIQUE ANTERIEURESTATE OF THE PRIOR ART

Les compas de dessin sont bien connus depuis de nombreuses décennies. En général, le compas de dessin permet de tracer des cercles ou des arcs de cercles avec une grande précision et régularité. Néanmoins, il est fréquent que l'écartement angulaire entre les bras varie en cours d'utilisation, résultant en un tracé erroné.Drawing compasses have been well known for many decades. In general, the drawing compass makes it possible to draw circles or arcs of circles with great precision and regularity. Nevertheless, it is common for the angular spacing between the arms to vary during use, resulting in erroneous tracing.

Le compas de dessin est un outil que l'on rencontre notamment dans le milieu scolaire. Il est particulièrement destiné à un public de jeunes enfants ou adolescents. Il doit être pratique, léger, maniable, et sécuritaire.The drawing compass is a tool that we meet especially in the school environment. It is particularly aimed at an audience of young children or teenagers. It must be practical, light, manageable, and safe.

Le document FR2495062 décrit un compas comprenant des segments de branches en matière plastique qui comportent des éléments d'articulation de tête venus de moulage et des éléments métalliques rendus solidaires des segments en matière plastique par le moulage de ces derniers ou par des liaisons à emmanchement ou équivalents. Lors de la manipulation du compas, l'écart des branches peut varier.The document FR2495062 discloses a compass comprising segments of plastic branches which comprise molded head hinge elements and metal elements made integral with the plastic segments by molding them or by fitting connections or the like. When handling the compass, the gap between the branches may vary.

Le document FR2871730 présente un compas de dessin dans lequel les deux branches du compas sont articulées par des secteurs ou disques d'articulation respectifs dans une chape. Un levier excentrique, monté pivotant du côté, d'une aile de la chape, autour d'un axe parallèle au plan des branches, fait coulisser, de part en part de la chape, dans une direction orthogonale au plan des branches, un axe de blocage. L'axe de blocage agit, directement ou indirectement, sur les secteurs ou disques d'articulation des branches et/ou sur un organe lié cinématiquement à ces secteurs ou disques d'articulation de manière à bloquer en rotation les branches du compas.The document FR2871730 presents a drawing compass in which the two branches of the compass are articulated by sectors or disks of respective articulation in a clevis. An eccentric lever, pivotally mounted on the side, of a wing of the yoke, about an axis parallel to the plane of the branches, slides, from one side of the yoke, in a direction orthogonal to the plane of the branches, an axis blocking. The locking pin acts, directly or indirectly, on sectors or articulation disks of the branches and / or on a member kinematically connected to these sectors or disks hinge so as to lock in rotation the branches of the compass.

Néanmoins, cette solution conduit à ajouter une pièce au compas de dessin, pouvant gêner sa prise et sa manipulation. Le verrouillage peut être malencontreusement désactivé en cours d'utilisation si l'utilisateur effectue une manipulation indélicate.Nevertheless, this solution leads to add a piece to the drawing compass, which can hinder its grip and handling. The lock can be accidentally disabled during use if the user makes an indelicate manipulation.

Le document WO2012035562 présente un système de blocage axial intégré de façon à obtenir un mécanisme de blocage et de déblocage pour les bras latéraux du compas de dessins. Le système fonctionne par l'intermédiaire d'un ensemble de blocage doté de vis à plusieurs filets placés aux deux extrémités de la tige du compas de dessin. Cette solution présente l'inconvénient d'être chronophage pour l'utilisateur. Le dispositif technique de mise en oeuvre est par ailleurs relativement complexe et coûteux.The document WO2012035562 has an integrated axial locking system so as to obtain a locking and unlocking mechanism for the lateral arms of the drawing compass. The system operates through a locking assembly with multi-threaded screws placed at both ends of the drawing compass rod. This solution has the disadvantage of being time consuming for the user. The technical device implementation is also relatively complex and expensive.

Le document FR3014360 présente un compas de dessin comprenant deux branches montées pivotantes autour d'un axe de rotation (A-A) sensiblement perpendiculaire au plan dans lequel les branches s'étendent, une chape logeant une extrémité d'articulation de chaque branche et comprenant au moins une aile couvrant l'extrémité d'articulation de chaque branche, un organe de maintien conçu pour maintenir assemblées les branches et la chape, un dispositif de verrouillage comportant un levier, le levier étant monté en rotation autour de l'axe de rotation (A-A) desdites branches et étant maintenu assemblé par l'organe de maintien avec les branches et la chape, le levier étant conçu pour passer d'une position de repos dans laquelle le mouvement de rotation des branches est libre, à une position de verrouillage dans laquelle la position des branches est bloquée par application d'un effort sur l'aile de la chape de sorte que l'aile de la chape contraint chaque extrémité d'articulation des branches logée dans la chape.The document FR3014360 has a drawing compass comprising two branches pivotally mounted about an axis of rotation (AA) substantially perpendicular to the plane in which the branches extend, a clevis housing a hinge end of each branch and comprising at least one covering flange the articulation end of each branch, a holding member designed to hold the branches and the yoke together, a locking device comprising a lever, the lever being rotatably mounted about the axis of rotation (AA) of said branches; and being held together by the holding member with the legs and the yoke, the lever being adapted to move from a rest position in which the rotational movement of the legs is free, to a locking position in which the position of the branches is blocked by applying a force on the wing of the yoke so that the wing of the clevis constrains each end of articulation of the branches housed d in the screed.

L'axe de rotation du dispositif de verrouillage implique pour l'utilisateur de déplacer le levier, ce qui peut conduire lors du mouvement à une difficulté à maintenir l'écart exact souhaité des bras.The axis of rotation of the locking device involves for the user to move the lever, which can lead during movement to a difficulty in maintaining the desired exact gap of the arms.

Le document US1436143 décrit un compas avec dispositif de verrouillage des bras. Une tête de verrouillage mobile agit sur les bras du compas par l'intermédiaire d'une pièce intermédiaire coopérant d'une part avec la tête de verrouillage et d'autre part avec les bras. Le système de verrouillage résultant est relativement complexe, coûteux, et peu fiable, du fait des risques de cassure de la pièce intermédiaire, sujette à des efforts important.The document US1436143 describes a compass with arm locking device. A movable locking head acts on the arms of the compass by means of an intermediate part cooperating on the one hand with the locking head and on the other hand with the arms. The resulting locking system is relatively complex, expensive, and unreliable, because of the risk of breakage of the intermediate piece, subject to significant effort.

Pour pallier ces différents inconvénients, l'invention prévoit différents moyens techniques.To overcome these various disadvantages, the invention provides various technical means.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

Tout d'abord, un premier objet de l'invention consiste à prévoir un compas de dessin dont l'utilisation est facilitée par un dispositif de verrouillage des bras.First, a first object of the invention is to provide a drawing compass whose use is facilitated by a locking device of the arms.

Un autre objet de l'invention consiste à prévoir un compas de dessin facile à utiliser et bien adapté à un public de jeunes enfants ou adolescents peu habitués à manipuler ce type d'objet.Another object of the invention to provide an easy to use drawing compass and well suited to an audience of young children or adolescents unaccustomed to handle this type of object.

Encore un autre objet de l'invention consiste à prévoir un système de verrouillage pour compas simple, peu coûteux, et fiable.Yet another object of the invention is to provide a locking system for a simple, inexpensive, and reliable compass.

Pour ce faire, l'invention prévoit un compas de dessin composé de deux bras agencé autour d'un point de pivot et pourvus à leur extrémité proximale du point de pivot d'une zone d'épaule, les bras étant mobiles en rotation entre une position d'ouverture angulaire et une position de fermeture, les extrémités des bras situées à proximité du point de pivot se terminant par des plans d'appui de pivotement montés l'un contre l'autre, le compas comprenant par ailleurs un système de verrouillage composé d'une tête de verrouillage, d'un capuchon d'activation du mécanisme par rotation et d'une interface filetée, la tête de verrouillage étant susceptible d'être déplacée axialement par le capuchon d'activation entre une position de déverrouillage, lorsque la tête de verrouillage est à distance des épaules et une position de verrouillage, lorsque la tête de verrouillage est en contact direct avec les épaules, l'extrémité axialement extérieure desdits plans d'appui suivant un profil en arc de cercle formant des surfaces d'épaules servant de surfaces d'appui pour le système de verrouillage, de façon à empêcher un déplacement angulaire des bras.To do this, the invention provides a drawing compass consisting of two arms arranged around a pivot point and provided at their proximal end of the pivot point of a shoulder area, the arms being rotatable between a angular opening position and a closed position, the ends of the arms located near the pivot point ending in pivoting support planes mounted against each other, the compass further comprising a locking system composed of a locking head, a rotation mechanism activation cap and a threaded interface, the locking head being able to be displaced axially by the activation cap between an unlocking position, when the locking head is at a distance from the shoulders and a locking position, when the locking head is in direct contact with the shoulders, the axially outer end of said support planes an arcuate profile forming shoulder surfaces serving as bearing surfaces for the locking system to prevent angular movement of the arms.

Une telle architecture présente l'avantage de faciliter l'utilisation du compas par le verrouillage de ses bras. L'utilisateur est donc assuré de maintenir un écart égal des bras lors de la manipulation du compas de dessin. Le contact direct entre la tête de verrouillage et les épaules assure un verrouillage efficace et fiable. Aucune pièce intermédiaire n'étant présente entre la tête de verrouillage et les épaules, le système est simple, peu coûteux, et ne présente pas de risque de d'endommagement par cassure d'une pièce intermédiaire.Such an architecture has the advantage of facilitating the use of the compass by locking its arms. The user is therefore assured to maintain an equal distance of the arms during the manipulation of the drawing compass. The direct contact between the locking head and the shoulders ensures efficient and reliable locking. As no intermediate piece is present between the locking head and the shoulders, the system is simple, inexpensive, and does not present a risk of damage by breaking an intermediate piece.

Le capuchon d'activation est simple à manier pour l'utilisateur, sans risque pour celui-ci de perdre l'écart souhaité de ses bras.The activation cap is simple to handle for the user, without risk for it to lose the desired distance from his arms.

En outre, le dispositif de verrouillage offre une sécurité lors de la fermeture du compas, puisque celui-ci est maintenu rigidement fermé.In addition, the locking device provides a safety when closing the compass, since it is held rigidly closed.

Selon un mode de réalisation avantageux, l'axe de serrage de la tête de verrouillage est confondu avec l'axe longitudinal du compas de dessin.According to an advantageous embodiment, the clamping axis of the locking head coincides with the longitudinal axis of the drawing compass.

Selon un autre mode de réalisation avantageux, chacun des bras présente un plan de pivotement, les deux plans de pivotement étant séparés par une bague de guidage.According to another advantageous embodiment, each arm has a pivot plane, the two pivoting planes being separated by a guide ring.

De manière avantageuse, la bague de guidage comporte un doigt axial coopérant avec un canal axial prévu dans la tête de verrouillage.Advantageously, the guide ring comprises an axial finger cooperating with an axial channel provided in the locking head.

Egalement de manière avantageuse, la tête de verrouillage et/ou les épaules disposent de moyens antidérapants. Par exemple, la tête de verrouillage et/ou les épaules sont crantées.Also advantageously, the locking head and / or the shoulders have anti-slip means. For example, the locking head and / or the shoulders are notched.

DESCRIPTION DES FIGURESDESCRIPTION OF THE FIGURES

Tous les détails de réalisation sont donnés dans la description qui suit, complétée par les figures 1 à 2B, présentées uniquement à des fins d'exemples non limitatifs, et dans lesquelles:

  • la figure 1 est une vue éclatée des différents éléments constituants d'un exemple de réalisation d'un compas de dessin selon l'invention;
  • la figure 2A est une vue schématique en coupe du compas de dessin de la figure 1 en position verrouillée ;
  • la figure 2B est une vue schématique en coupe du compas de dessin de la figure 1 en position déverrouillée.
All the details of realization are given in the description which follows, completed by the Figures 1 to 2B , presented solely for purposes of non-limiting examples, and in which:
  • the figure 1 is an exploded view of the various constituent elements of an exemplary embodiment of a drawing compass according to the invention;
  • the Figure 2A is a schematic sectional view of the drawing compass of the figure 1 in locked position;
  • the Figure 2B is a schematic sectional view of the drawing compass of the figure 1 in unlocked position.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

En relation avec la figure 1 et la figure 2A, le compas 1 de dessin comprend deux bras 2 montés pivotants autour d'un axe 3. Les extrémités des bras situées à proximité du point de pivot se terminent par des plans 5 d'appui de pivotement montés l'un contre l'autre, avec interposition d'une bague de guidage 16. Les plans 5 d'appui sont sensiblement plats, avec des surfaces facilitant le mouvement de pivotement angulaire entre les éléments. L'extrémité axialement extérieure des plans 5 d'appuis suit un profil en arc de cercle formant des surfaces d'épaules 4. Ces épaules servent de surfaces d'appui pour le système de verrouillage 10 décrit ci-après.In relation to the figure 1 and the Figure 2A , the drawing compass 1 comprises two arms 2 pivotally mounted about an axis 3. The ends of the arms located near the pivot point terminate in pivoting support planes 5 mounted against each other, The bearing planes are substantially flat, with surfaces facilitating angular pivoting movement between the elements. The axially outer end of the support planes 5 follows an arcuate profile forming shoulder surfaces 4. These shoulders serve as bearing surfaces for the locking system 10 described below.

Le système de verrouillage 10 selon l'invention prévoit une tête de verrouillage 11 agencée dans le prolongement des bras et des plans d'appuis 5. Cette tête est mobile axialement entre une position de verrouillage, tel qu'illustré à la figure 2A, dans laquelle la tête est en contact direct contre les épaules 4, empêchant le mouvement angulaire des bras 2, et une positon de déverrouillage, montrée à la figure 2B, dans laquelle la tête est à distance des épaules 4, libérant le mouvement angulaire des bras 2.The locking system 10 according to the invention provides a locking head 11 arranged in the extension of the arms and support planes 5. This head is axially movable between a locking position, as illustrated in FIG. Figure 2A , in which the head is in direct contact with the shoulders 4, preventing the angular movement of the arms 2, and an unlocking position, shown in FIG. Figure 2B , in which the head is at a distance from the shoulders 4, releasing the angular movement of the arms 2.

Le déplacement axial de la tête de verrouillage 11 est commandé par un système à vis, comprenant d'une part une tige filetée 13 agencée dans le prolongement axial de la tête de verrouillage 11 et un écrou 12 logé dans un capuchon de commande 17 connecté au système de verrouillage.The axial displacement of the locking head 11 is controlled by a screw system, comprising on the one hand a threaded rod 13 arranged in the axial extension of the locking head 11 and a nut 12 housed in a control cap 17 connected to the Lock system.

Pour assurer le guidage axial de l'ensemble des éléments, une tige de guidage 15 s'étend dans le prolongement de la bague de guidage 16 et coulisse axialement dans un canal axial 14 prévu dans la tête de verrouillage 11.To ensure the axial guidance of all the elements, a guide rod 15 extends in the extension of the guide ring 16 and slides axially in an axial channel 14 provided in the locking head 11.

Numéros de référence employés sur les figuresReference numbers used in the figures

11
Compas de dessinDrawing compass
22
BrasArms
33
PivotPivot
44
EpaulesShoulders
55
Plan d'appui de pivotementSwivel support plane
1010
Système de verrouillageLock system
1111
Tête de verrouillageLocking head
1212
EcrouNut
1313
Tige filetéeThreaded shaft
1414
Canal axialAxial channel
1515
Doigt axialAxial finger
1616
Bague de guidageGuide ring
1717
Capuchon de commandeControl cap

Claims (6)

  1. Drawing compass (1) consisting of two arms (2) arranged around a pivot point (3) and provided at their proximal end with the pivot point of a shoulder zone (4), the arms (2) being movable in rotation between an angular opening position and a closed position, the ends of the arms located near the pivot point (3) terminating in pivoting bearing planes (5) mounted against one another, the compass (1) further comprising a locking system (10) composed of a locking head (11), an activation cap (17) of the mechanism by rotation and a threaded interface (12, 13) characterized in that the locking head (11) can be displaced axially by the activation cap (17) between an unlocking position, when the locking head (11) is at a distance from the shoulders (4,) and a locking position, when the locking head (11) is in direct contact with the shoulders (4), the axially outer end of said bearing planes (5) following an arcuate profile forming the shoulder surfaces (4) serving as bearing surfaces for the locking system (10), so as to prevent an angular displacement of the arms (2).
  2. Drawing compass (1) according to claim 1, wherein the clamping axis of the locking head (11) coincides with the longitudinal axis of the drawing compass (1).
  3. Drawing compass (1) according to one of the preceding claims, wherein each arm (2) has a pivoting plane (5), the two pivoting planes (5) being separated by a guide ring (16).
  4. Drawing compass (1) according to claim 3, wherein the guide ring (16) comprises an axial finger (15) cooperating with an axial channel (14) provided in the locking head (11).
  5. Drawing compass (1) according to one of the preceding claims, wherein the locking head (11) and/or the shoulders (4) have anti-slip means.
  6. Drawing compass (1) according to one of the preceding claims, wherein the locking head (11) and/or the shoulders (4) are notched.
EP17000135.8A 2016-02-05 2017-01-28 Drawing compass with lock Active EP3202588B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1600198A FR3047442A1 (en) 2016-02-05 2016-02-05 DRAWING COMPASS WITH LATCH

Publications (2)

Publication Number Publication Date
EP3202588A1 EP3202588A1 (en) 2017-08-09
EP3202588B1 true EP3202588B1 (en) 2018-12-26

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FR (1) FR3047442A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3077029B1 (en) * 2018-01-24 2020-01-24 Maped DRAWING COMPASS

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Publication number Priority date Publication date Assignee Title
US953026A (en) * 1908-03-16 1910-03-29 Charles Sumner Evans Compasses and dividers.
GB143238A (en) * 1919-05-14 1921-07-07 Patria Ab Improvements in calipers and the like
DE3032254C2 (en) 1980-08-27 1982-09-02 Fa. J.S. Staedtler, 8500 Nürnberg Circle
US20030079354A1 (en) * 2001-10-31 2003-05-01 Mclean Mark A. Compass
FR2871730B1 (en) 2004-06-21 2007-09-14 Maped Soc Par Actions Simplifi DRAWING COMPASS WITH LOCKING MEANS FOR THE SPACING OF ITS BRANCHES
WO2012035562A2 (en) 2010-09-18 2012-03-22 Chetan Jayendra Budh Locking mechanism for drawing compass
FR3014360B1 (en) 2013-12-11 2015-12-04 Maped DRAWING COMPASS WITH LOCKING POSITION

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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EP3202588A1 (en) 2017-08-09

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