FR3127157A1

FR3127157A1 - Drawing-board

Info

Publication number: FR3127157A1
Application number: FR2109978A
Authority: FR
Inventors: Pierre Lucion
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2023-03-24

Abstract

L'invention concerne une planche à dessin (P) comprenant au moins deux volets (1, 2, 3) reliés entre eux par au moins une charnière (8) possédant un axe (XX’, YY) et permettant l’articulation des volets autour de l’axe, de sorte que la planche est dans une position fermée lorsque les volets sont rabattus les uns sur les autres, et dans une position ouverte lorsque les volets sont adjacents et dans un même plan, la planche à dessin comprenant également au moins un dispositif de blocage des volets permettant de maintenir les volets fixes l’un par rapport à l’autre et dans un même plan. Figure 1The invention relates to a drawing board (P) comprising at least two flaps (1, 2, 3) interconnected by at least one hinge (8) having an axis (XX', YY) and allowing the articulation of the flaps around the axis, so that the board is in a closed position when the flaps are folded over each other, and in an open position when the flaps are adjacent and in the same plane, the drawing board also comprising at at least one shutter blocking device making it possible to keep the shutters fixed relative to each other and in the same plane. Figure 1

Description

Drawing-board

Domaine technique de l’inventionTechnical field of the invention

La présente invention concerne une planche à dessin, en particulier une planche à dessin pouvant être repliée pour faciliter son rangement et son transport.The present invention relates to a drawing board, in particular a drawing board which can be folded up for easy storage and transport.

Etat de la technique antérieurState of the prior art

Les planches à dessin sont traditionnellement composées d'une seule grande plaque, ce qui est contraignant pour les étudiants lors de leurs déplacements à vélo ou en transport en commun.Drawing boards are traditionally composed of a single large plate, which is constricting for students when traveling by bicycle or public transport.

Le dispositif selon l'invention permet de remédier à cet inconvénient.The device according to the invention overcomes this drawback.

La présente invention a pour objet une planche à dessin qui comprend au moins deux volets reliés entre eux par au moins une charnière. Chaque charnière possède un axe et permet l’articulation des volets autour de l’axe, de sorte que la planche est dans une position fermée lorsque les volets sont rabattus les uns sur les autres, et dans une position ouverte lorsque les volets sont juxtaposés, c’est-à-dire adjacents, et dans un même plan.The present invention relates to a drawing board which comprises at least two flaps interconnected by at least one hinge. Each hinge has an axis and allows the articulation of the flaps around the axis, so that the board is in a closed position when the flaps are folded over each other, and in an open position when the flaps are juxtaposed, that is to say adjacent, and in the same plane.

Selon l’invention, la planche à dessin comprend également au moins un dispositif de blocage des volets permettant de maintenir les volets fixes l’un par rapport à l’autre et dans un même plan.According to the invention, the drawing board also comprises at least one device for locking the flaps making it possible to keep the flaps fixed relative to each other and in the same plane.

Grâce à l’invention, il est possible de transporter ou de ranger de façon simple la planche lorsqu’elle est repliée, c’est-à-dire en position fermée.Thanks to the invention, it is possible to transport or store the board in a simple way when it is folded up, that is to say in the closed position.

Grâce à l’invention, il est également possible d’utiliser la planche, lorsqu’elle est en position ouverte, de façon simple et efficace comme une grande planche qui serait constituée d’un seul volet.Thanks to the invention, it is also possible to use the board, when it is in the open position, simply and effectively as a large board which would consist of a single flap.

Selon d’autres aspects de l’invention qui sont avantageux, mais pas essentiels, une telle planche à dessin peut incorporer une ou plusieurs des caractéristiques suivantes :According to other aspects of the invention which are advantageous, but not essential, such a drawing board may incorporate one or more of the following features:

the blocking device comprises a movable part which is movable with respect to the flaps and which makes it possible, by moving it, to lock two adjacent flaps in position, that is to say to prevent any relative movement of one of the two flaps adjacent with respect to the other of the two adjacent flaps;
the blocking device comprises a first blocking part and a second blocking part, the first blocking part being fixed to one of the two adjacent flaps and the second blocking part being fixed to the other of the two adjacent flaps;
each blocking piece is arranged in a first recess of the flap in which it is positioned;
each of two adjacent flaps has a second recess so that, when the board is in the open position, the movable part is located in a single second recess of one of the two adjacent flaps, and when the board is in the closed position, the part mobile is located in the two second recesses of the two adjacent flaps;
the blocking device comprises a sliding part on which the moving part slides when the latter is set in motion;
the blocking device comprises a temporary retaining element disposed on the movable part and interacting with one of the elements of the blocking device, with a mutual retaining force in order to avoid any untimely movement of the movable part when the board is in the open position or closed;
the mobile part is held on the board on the one hand thanks to the blocking parts and on the other hand thanks to the sliding part;
the moving part of the blocking device includes a preemption element which allows the user of the board to move the moving part;
the drawing board comprises three flaps, two hinges each having an axis, and four flap locking devices.

Ci-dessous, des modes de réalisation préférés de l'invention vont être décrits en rapport avec les dessins, les dessins étant fournis à titre d'exemples uniquement et n'ayant pas pour objet de limiter le cadre de protection. Le cadre de protection est défini seulement par les revendications annexées.Below, preferred embodiments of the invention will be described in connection with the drawings, the drawings being provided by way of example only and not intended to limit the scope of the scope. The scope of protection is defined only by the appended claims.

Brève description des figuresBrief description of figures

Dans les dessins :In the drawings:

illustrates a drawing board according to the invention;
is another plank view of the ;
shows how to fold the drawing board of the previous figures;
shows the board of the preceding figures completely folded up;
And illustrate a device for locking a drawing board according to the invention, in the open position and in the closed position;
shows in detail part of the blocking device and 5b; And
shows an exploded view of the part of the blocking device of the .

Claims

Drawing board (P) comprising at least two flaps (1, 2, 3) interconnected by at least one hinge (8) having an axis (XX', YY) and allowing the articulation of the flaps around the axis , so that the board is in a closed position when the flaps are folded over each other, and in an open position when the flaps are adjacent and in the same plane, the drawing board also comprising at least one blocking device flaps making it possible to keep the flaps fixed relative to each other and in the same plane.

Drawing board according to Claim 1, in which the locking device comprises a movable part 6 which is movable with respect to the flaps and which makes it possible, by moving it, to lock two adjacent flaps in position, that is to say prevent any relative movement of one of the two adjacent flaps with respect to the other of the two adjacent flaps.

Drawing board according to Claim 2, in which the blocking device comprises a first blocking part (4) and a second blocking part (5), the first blocking part (4) being fixed to one of the two flaps adjacent and the second blocking piece (5) being fixed on the other of the two adjacent flaps.

Drawing board according to Claim 3, in which each blocking piece (4; 5) is arranged in a first recess (15) of the flap in which it is positioned.

Drawing board according to one of Claims 2 to 4, in which each of two adjacent flaps has a second recess (14) so that, when the board is in the open position, the movable part (6) is located in a single second recess (14) of one of the two adjacent flaps, and when the board is in the closed position, the movable part (6) is located in the two second recesses (14) of the two adjacent flaps.

Drawing board according to one of Claims 2 to 5, in which the locking device comprises a sliding part (12) on which the movable part (6) slides when the latter is set in motion.

Drawing board according to one of the preceding claims 2 to 6, in which the blocking device comprises a temporary retaining element (13) arranged on the movable part (6) and interacting with one of the elements of the blocking device, with a mutual retaining force in order to avoid any untimely movement of the moving part (6) when the board is in the open or closed position.

Drawing board according to Claim 3 and one of Claims 6 or 7, in which the movable part (6) is held on the board on the one hand thanks to the blocking pieces (4; 5) and on the other hand thanks to the sliding piece (12).

Drawing board according to one of Claims 2 to 8, in which the movable part (6) of the locking device comprises a preemptive element (7) which allows the user of the board to move the movable part (6) .

Drawing board according to one of the preceding claims, in which the drawing board comprises three flaps (1; 2; 3), two hinges (8) each having an axis (XX'; YY') and four locking devices shutters.