EP2152577A1 - Seat provided with a pivoting display screen - Google Patents

Seat provided with a pivoting display screen

Info

Publication number
EP2152577A1
EP2152577A1 EP08759448A EP08759448A EP2152577A1 EP 2152577 A1 EP2152577 A1 EP 2152577A1 EP 08759448 A EP08759448 A EP 08759448A EP 08759448 A EP08759448 A EP 08759448A EP 2152577 A1 EP2152577 A1 EP 2152577A1
Authority
EP
European Patent Office
Prior art keywords
screen
armrest
carriage
seat
rail
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Withdrawn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
EP08759448A
Other languages
German (de)
French (fr)
Inventor
Serge Large
Stéphane POVEDA
Patrick Vouillon
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.)
Thales SA
Original Assignee
Thales 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 Thales SA filed Critical Thales SA
Publication of EP2152577A1 publication Critical patent/EP2152577A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
    • B60N3/002—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays of trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
    • B60R11/0223—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers of flat type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/0015—Arrangements for entertainment or communications, e.g. radio, television
    • B64D11/00153—Monitors mounted on or in the seat other than the seat back
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0638—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with foldable tables, trays or cup holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B60R2011/0012—Seats or parts thereof
    • B60R2011/0014—Arm-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0082—Adjustable or movable supports collapsible, e.g. for storing after use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
    • B60R2011/0089—Adjustable or movable supports with adjustment by rotation in their operational position around three axes, i.e. universally mounted

Definitions

  • the field of the invention is that seats with retractable shelves.
  • the invention is particularly well suited for use in air transport.
  • a seat can be equipped with a retractable shelf.
  • seats for conference rooms or means of transport such as trains or airplanes.
  • These tablets are mainly used to read, write or put meal trays. They are generally light and small to be easily manipulated by the user.
  • flat screens for visualization may include one or more interfaces for interacting with the information presented. These screens are usually liquid crystal displays.
  • the interface may be conventionally composed of control buttons, a touch surface or a transparent touch screen disposed on the screen. Touch screens work either by contact detection, so-called “touch-screen” screens, or by force feedback. These flat screens can be used as a tablet.
  • a flat screen has three major differences with a simple tablet. It is heavier and bulkier. Its size and weight are equivalent to those of a laptop. Typically, the screen size is rectangular, of the sheet type "A4". On the other hand, the screen generally includes power and communication cables that do not facilitate handling. Finally, it is more fragile and a much higher cost. It is therefore essential that when the user manipulates this screen for use or storage, these operations are simple, do not require special efforts for the user and can be done safely for the screen.
  • this type of tablet can be used either in the cockpit or in the passenger cabin.
  • the screen provides additional information to the display screens arranged in a fixed manner on the dashboard. It can be used especially in certain phases of flight or on the ground. Indeed, certain information needs to be displayed only temporarily and can be displayed on retractable screens. Generally, these retractable screens are stored under the dashboard, which necessarily limits their size and weight.
  • the screen may allow the passenger to inquire, communicate or distract.
  • the screen is traditionally stored either in the back of the previous seat or in the armrest.
  • the current systems have simple vertical movements that do not allow the use or storage of large screens, the retraction can not be complete.
  • the seat according to the invention comprises a retractable display screen comprising special mechanical provisions to significantly facilitate the handling and storage of this screen.
  • the invention relates to a seat, particularly for aircraft, comprising at least one armrest and a retractable display screen, characterized in that the screen comprises an articulated support arm mounted on a movable carriage and that the armrest comprises a rail in the shape of an arc of a circle, the upper end of the rail being substantially vertical and the lower end substantially horizontal, the carriage being integral with said rail and movable in translation between a first low position of storage of the screen and a second high position of use of the screen.
  • the armrest comprises a damper system integral with the armrest and the carriage, the damper system may comprise a cable passing through at least one movable pulley secured to a return spring.
  • the articulated support arm comprises a hinge integral with the arm and the movable carriage arranged so that the screen can switch from the second high position in which the screen is in position. substantially vertical position at a third high position in which the screen is in a substantially horizontal position. It may also include a ball joint for rotating the screen 90 degrees in a horizontal plane from the third position to a fourth position.
  • the screen comprises a movable protective cover allowing the screen to be used as a tablet, the screen may also include at least one handle.
  • the seat may include motorization means ensuring at least the carriage movement, said means controlled by a user sitting on the seat.
  • FIG. 1 represents a side view of a seat according to FIG. invention, the screen being retracted;
  • FIG. 2 shows a side view of a seat according to the invention, the screen being retracted and having a protective cover;
  • FIG. 3 shows a side view of a seat according to the invention, the screen being in a vertical high position
  • FIG. 4 shows a side view of a seat according to the invention, the screen being in the vertical high position, having a protective cover, the armrest cover being removed;
  • FIG. 5 shows a side view of a seat according to the invention, the screen being in a high horizontal position, having a protective cover, the armrest cover being removed;
  • - Figure 6 shows a side view of a seat according to the invention, the screen being in a high horizontal position, having a protective cover raised, the armrest cover being removed;
  • - Figure 7 shows a three-quarter view of a seat according to the invention, the screen being in the high horizontal position rotated 90 degrees, having a protective cover raised, the armrest cover being removed;
  • FIG. 8 shows a bottom view of the screen in the horizontal high position.
  • the heart of the invention is to move the screen on a rail in the form of an arc.
  • This particular form of rail allows, unlike systems allowing only a purely vertical displacement, to limit the effort by increasing the path traveled and initializing it on a horizontal part.
  • this system can be either manual or motorized.
  • a damping system can be coupled to the translation system to further minimize the output effort of the screen and to reduce the weight during the retraction maneuver.
  • Figures 1 to 8 show different views of a system according to the invention, the screen being shown in different positions on these views. It is of course possible to construct many simple mechanical variants from this first embodiment.
  • the seat 1 is essentially shown in side view. The parts of the seat which are not connected to the device according to the invention are not described. For the sake of clarity, the electrical cables ensuring the power of the screen and the circulation of digital data are not shown in these different figures. Their implantation is made inside the armrest so as to be as accessible as possible to the user.
  • Seat 1 essentially comprises:
  • the armrest 4 comprises a rail 3 in the form of a circular arc, the upper end of the rail being substantially vertical and the lower end substantially horizontal; - A retractable display screen 2 having a display area 5.
  • this screen is a liquid crystal color display.
  • the screen comprises either control buttons, a touch surface or a transparent touch screen disposed on the display surface. It is preferable, since the screen can be used as a tablet, that the screen has a certain tightness to the dust and liquids.
  • the screen comprises a support arm 22.
  • One end of the arm is articulated by means of a hinge 23, itself mounted on a movable carriage 24.
  • the carriage is integral with said rail and movable in translation, causing the screen between a first low storage position and a second high position of the screen.
  • the carriage comprises three drive rollers located on either side of the rail.
  • the other end of the arm is linked to the screen 2 by means of a mechanical ball 25.
  • the screen may comprise a mobile cover 21 as shown in FIGS. 2 and 4 to 8. It may also comprise handles 27 allowing to facilitate the manipulation of the screen.
  • the mechanical parts are made of lightweight materials and the articulated arm may include grooves or cells so as to lighten the mechanical assembly as much as possible;
  • the damping system is made by means of a cable 42 passing through seven pulleys 45. Four of these pulleys are fixed and integral with the armrest 4. The other three pulleys are secured to movable rods 44. connected to the return springs 43 so that when the carriage slides along the rail, the cable pulls on the movable pulleys, causing the extension of the return springs. This dampens the weight of the screen.
  • a stop 46 located on the armrest limits the stroke of the screen.
  • other damping systems are conceivable.
  • the display screen can adopt four different positions shown in Figures 1 to 8.
  • the screen is in the low position of storage or retracted position, it is pressed vertically against the armrest and completely clears the space in front of the seated person.
  • the safety stop limits the stroke of the screen.
  • the screen is shown without its protective cover 21 and in Figure 2, the cache is shown.
  • the display screens are rectangular. It is interesting to be able to use the screen either in “portrait” or “text” mode, or in “landscape” mode.
  • the support arm comprises a ball joint 25 for rotating the screen and the cover of 90 degrees in a substantially horizontal plane of the third use position called “landscape” to a fourth use position called “portrait” or " text "as shown in Figure 7.
  • Figure 8 shows a bottom view of the screen in the horizontal high position. This view shows the arrangement details of the ball joint 25 and two handles 27 consisting of angled cylindrical rods. As seen in this view, the cover 21 may include holes 26 in which the cups may be disposed when the cover is used in a meal tray holder.
  • the rail then comprises a rack and the carriage a wheel or a pinion gear integral with this rack.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The invention relates to seats with a pivoting tray. More particularly, said seat (1) is specifically designed for pivoting screens (2) of large size and comprises at least one armrest (4) and one pivoting display screen. The screen has a jointed support arm (22) mounted on a moving carriage (24) and the armrest has a rail (3) in the form of a circular arc, the top ed of the rail being essentially vertical and the bottom part being essentially horizontal the carriage being mounted on said rail and can be moved in translation between a first low storage position for the screen and a second high position for the screen. The screen may also have a cover (21) such as to be usable as a tray.

Description

SIEGE EQUIPE D'UN ECRAN DE VISUALISATION ESCAMOTABLE. SEAT EQUIPPED WITH A VISUALIZATION SCREEN DISPLAY.
Le domaine de l'invention est celui des sièges comportant des tablettes escamotables. L'invention est particulièrement bien adaptée pour une utilisation dans les transports aériens.The field of the invention is that seats with retractable shelves. The invention is particularly well suited for use in air transport.
Pour un certain nombre d'utilisations, un siège peut être équipé d'une tablette escamotable. On citera, par exemple, les sièges pour salles de conférence ou pour moyens de transport comme le train ou l'avion. Ces tablettes servent essentiellement de support pour lire, écrire ou poser des plateaux-repas. Elles sont généralement légères et de petites dimensions pour être facilement manipulables par l'utilisateur.For a number of uses, a seat can be equipped with a retractable shelf. For example, seats for conference rooms or means of transport such as trains or airplanes. These tablets are mainly used to read, write or put meal trays. They are generally light and small to be easily manipulated by the user.
II existe actuellement des écrans plats de visualisation pouvant comporter une ou plusieurs interfaces permettant d'interagir avec les informations présentées. Ces écrans sont généralement des afficheurs à cristaux liquides. L'interface peut être classiquement constituée de boutons de commande, d'une surface tactile ou d'un écran tactile transparent disposé sur l'écran. Les écrans tactiles fonctionnent soit par détection de contact, écrans dits « touch-screen », soit par retour de force. Ces écrans plats peuvent être utilisés comme tablette.Currently there are flat screens for visualization may include one or more interfaces for interacting with the information presented. These screens are usually liquid crystal displays. The interface may be conventionally composed of control buttons, a touch surface or a transparent touch screen disposed on the screen. Touch screens work either by contact detection, so-called "touch-screen" screens, or by force feedback. These flat screens can be used as a tablet.
Un écran plat comporte trois différences majeures avec une simple tablette. Il est plus lourd et plus volumineux. Sa taille et son poids sont équivalents à ceux d'un ordinateur portable. Typiquement, le format de l'écran est rectangulaire, du type feuille « A4 ». D'autre part, l'écran comporte généralement des câbles d'alimentation et de communication qui ne facilitent pas les manipulations. Enfin, il est plus fragile et d'un coût nettement plus important. Il est donc essentiel que, lorsque l'utilisateur manipule cet écran pour l'utiliser ou le ranger, ces opérations soient simples, ne nécessitent pas d'efforts particuliers pour l'utilisateur et puissent se faire en toute sécurité pour l'écran.A flat screen has three major differences with a simple tablet. It is heavier and bulkier. Its size and weight are equivalent to those of a laptop. Typically, the screen size is rectangular, of the sheet type "A4". On the other hand, the screen generally includes power and communication cables that do not facilitate handling. Finally, it is more fragile and a much higher cost. It is therefore essential that when the user manipulates this screen for use or storage, these operations are simple, do not require special efforts for the user and can be done safely for the screen.
Dans les transports aériens, on peut utiliser ce type de tablette soit dans le cockpit soit en cabine passagers. Dans le cockpit, l'écran apporte un complément d'informations aux écrans de visualisation disposés de façon fixe sur la planche de bord. Il peut être utilisé notamment dans certaines phases de vol ou au sol. En effet, certaines informations n'ont besoin d'être affichées que de façon temporaire et peuvent l'être sur des écrans escamotables. Généralement, ces écrans escamotables se rangent sous la planche de bord, ce qui nécessairement limite leur taille et leur poids.In air transport, this type of tablet can be used either in the cockpit or in the passenger cabin. In the cockpit, the screen provides additional information to the display screens arranged in a fixed manner on the dashboard. It can be used especially in certain phases of flight or on the ground. Indeed, certain information needs to be displayed only temporarily and can be displayed on retractable screens. Generally, these retractable screens are stored under the dashboard, which necessarily limits their size and weight.
En cabine passagers, l'écran peut permettre au passager de s'informer, de communiquer ou de se distraire. Dans ce cas, l'écran est traditionnellement rangé soit dans le dossier du siège précédent, soit dans l'accoudoir. Dans les deux cas, pour être escamoté, les systèmes actuels ont des mouvements verticaux simples qui ne permettent pas l'utilisation ou le rangement d'écrans de grande dimension, l'escamotage ne pouvant alors être complet.In the passenger cabin, the screen may allow the passenger to inquire, communicate or distract. In this case, the screen is traditionally stored either in the back of the previous seat or in the armrest. In both cases, to be retracted, the current systems have simple vertical movements that do not allow the use or storage of large screens, the retraction can not be complete.
Aussi, le siège selon l'invention comporte un écran de visualisation escamotable comprenant des dispositions mécaniques particulières permettant de faciliter de façon significative les manipulations et le rangement de cet écran.Also, the seat according to the invention comprises a retractable display screen comprising special mechanical provisions to significantly facilitate the handling and storage of this screen.
Plus précisément, l'invention a pour objet un siège, notamment pour aéronef, comprenant au moins un accoudoir et un écran de visualisation escamotable, caractérisé en ce que l'écran comporte un bras support articulé monté sur un chariot mobile et que l'accoudoir comporte un rail en forme d'arc de cercle, l'extrémité haute du rail étant sensiblement verticale et l'extrémité basse sensiblement horizontale, le chariot étant solidaire dudit rail et mobile en translation entre une première position basse de rangement de l'écran et une seconde position haute d'utilisation de l'écran.More specifically, the invention relates to a seat, particularly for aircraft, comprising at least one armrest and a retractable display screen, characterized in that the screen comprises an articulated support arm mounted on a movable carriage and that the armrest comprises a rail in the shape of an arc of a circle, the upper end of the rail being substantially vertical and the lower end substantially horizontal, the carriage being integral with said rail and movable in translation between a first low position of storage of the screen and a second high position of use of the screen.
Avantageusement, l'accoudoir comporte un système amortisseur solidaire de l'accoudoir et du chariot, le système amortisseur pouvant comporter un câble passant dans au moins une poulie mobile solidaire d'un ressort de rappel.Advantageously, the armrest comprises a damper system integral with the armrest and the carriage, the damper system may comprise a cable passing through at least one movable pulley secured to a return spring.
Avantageusement, le bras support articulé comporte une charnière solidaire du bras et du chariot mobile agencée de façon que l'écran puisse basculer de la seconde position haute dans laquelle l'écran est en position sensiblement verticale à une troisième position haute dans laquelle l'écran est en position sensiblement horizontale. Il peut également comporter une rotule permettant de tourner l'écran de 90 degrés dans un plan horizontal de la troisième position à une quatrième position. Avantageusement, l'écran comporte un cache de protection mobile permettant d'utiliser l'écran comme tablette, l'écran peut comporter également au mois une poignée.Advantageously, the articulated support arm comprises a hinge integral with the arm and the movable carriage arranged so that the screen can switch from the second high position in which the screen is in position. substantially vertical position at a third high position in which the screen is in a substantially horizontal position. It may also include a ball joint for rotating the screen 90 degrees in a horizontal plane from the third position to a fourth position. Advantageously, the screen comprises a movable protective cover allowing the screen to be used as a tablet, the screen may also include at least one handle.
Enfin, le siège peut comporter des moyens de motorisation assurant au moins le déplacement du chariot, lesdits moyens commandés par un utilisateur assis sur le siège.Finally, the seat may include motorization means ensuring at least the carriage movement, said means controlled by a user sitting on the seat.
L'invention sera mieux comprise et d'autres avantages apparaîtront à la lecture de la description qui va suivre donnée à titre non limitatif et grâce aux figures annexées parmi lesquelles : - La figure 1 représente une vue de côté d'un siège selon l'invention, l'écran étant escamoté ;The invention will be better understood and other advantages will become apparent on reading the following description given by way of non-limiting example and with reference to the appended figures in which: FIG. 1 represents a side view of a seat according to FIG. invention, the screen being retracted;
- La figure 2 représente une vue de côté d'un siège selon l'invention, l'écran étant escamoté et comportant un cache de protection ;- Figure 2 shows a side view of a seat according to the invention, the screen being retracted and having a protective cover;
- La figure 3 représente une vue de côté d'un siège selon l'invention, l'écran étant en position haute verticale ;- Figure 3 shows a side view of a seat according to the invention, the screen being in a vertical high position;
- La figure 4 représente une vue de côté d'un siège selon l'invention, l'écran étant en position haute verticale, comportant un cache de protection, le cache-accoudoir étant ôté ;- Figure 4 shows a side view of a seat according to the invention, the screen being in the vertical high position, having a protective cover, the armrest cover being removed;
- La figure 5 représente une vue de côté d'un siège selon l'invention, l'écran étant en position haute horizontale, comportant un cache de protection, le cache-accoudoir étant ôté ;- Figure 5 shows a side view of a seat according to the invention, the screen being in a high horizontal position, having a protective cover, the armrest cover being removed;
- La figure 6 représente une vue de côté d'un siège selon l'invention, l'écran étant en position haute horizontale, comportant un cache de protection relevé, le cache-accoudoir étant ôté ; - La figure 7 représente une vue de trois-quart d'un siège selon l'invention, l'écran étant en position haute horizontale tournée de 90 degrés, comportant un cache de protection relevé, le cache-accoudoir étant ôté ;- Figure 6 shows a side view of a seat according to the invention, the screen being in a high horizontal position, having a protective cover raised, the armrest cover being removed; - Figure 7 shows a three-quarter view of a seat according to the invention, the screen being in the high horizontal position rotated 90 degrees, having a protective cover raised, the armrest cover being removed;
- La figure 8 représente une vue de dessous de l'écran en position haute horizontale. Le cœur de l'invention consiste à faire déplacer l'écran sur un rail en forme d'arc de cercle. Cette forme particulière de rail permet, contrairement aux systèmes n'autorisant qu'un déplacement purement vertical, de limiter l'effort en augmentant le chemin parcouru et en l'initialisant sur une partie horizontale. Comme on le verra, ce système peut être soit manuel, soit motorisé. Dans sa version manuelle, un système amortisseur peut être accouplé au système de translation afin de minimiser encore l'effort de sortie de l'écran et d'en atténuer le poids lors de la manœuvre d'escamotage.- Figure 8 shows a bottom view of the screen in the horizontal high position. The heart of the invention is to move the screen on a rail in the form of an arc. This particular form of rail allows, unlike systems allowing only a purely vertical displacement, to limit the effort by increasing the path traveled and initializing it on a horizontal part. As will be seen, this system can be either manual or motorized. In its manual version, a damping system can be coupled to the translation system to further minimize the output effort of the screen and to reduce the weight during the retraction maneuver.
A titre d'exemple non limitatif, les figures 1 à 8 représentent différentes vues d'un système selon l'invention, l'écran étant représenté dans différentes positions sur ces vues. Il est bien entendu possible de construire de nombreuses variantes mécaniques simples à partir de ce premier exemple de réalisation.By way of non-limiting example, Figures 1 to 8 show different views of a system according to the invention, the screen being shown in different positions on these views. It is of course possible to construct many simple mechanical variants from this first embodiment.
Sur ces figures, le siège 1 est essentiellement représenté en vue de côté. Les parties du siège qui ne sont pas liées au dispositif selon l'invention ne sont pas décrites. Par souci de clarté, les câbles électriques assurant l'alimentation de l'écran et la circulation des données numériques ne sont pas représentés sur ces différentes figures. Leur implantation est faite à l'intérieur de l'accoudoir de façon à être le moins possible accessible à l'utilisateur.In these figures, the seat 1 is essentially shown in side view. The parts of the seat which are not connected to the device according to the invention are not described. For the sake of clarity, the electrical cables ensuring the power of the screen and the circulation of digital data are not shown in these different figures. Their implantation is made inside the armrest so as to be as accessible as possible to the user.
Le siège 1 comporte essentiellement :Seat 1 essentially comprises:
- un accoudoir 4, l'ensemble du dispositif d'escamotage étant masqué par un cache-accoudoir 47. Sur les figures 4 à 7, le cache-accoudoir 47 n'est pas représenté de façon à laisser voir la mécanique située dessous. L'accoudoir 4 comporte un rail 3 en forme d'arc de cercle, l'extrémité haute du rail étant sensiblement verticale et l'extrémité basse sensiblement horizontale ; - un écran de visualisation 2 escamotable comportant une zone d'affichage 5. Généralement, cet écran est une visualisation couleur à cristaux liquides. Comme il a été dit, l'écran comporte soit des boutons de commande, soit une surface tactile ou un écran tactile transparent disposé sur la surface d'affichage. Il est préférable, dans la mesure où l'écran peut être utilisé comme tablette, que l'écran présente une certaine étanchéité à la poussière et aux liquides. L'écran comporte un bras support 22. Une des extrémités du bras est articulé au moyen d'une charnière 23, elle-même montée sur un chariot mobile 24. Le chariot est solidaire dudit rail et mobile en translation, entraînant l'écran entre une première position basse de rangement et une seconde position haute de l'écran. Dans l'exemple de réalisation, le chariot comporte trois galets d'entraînement situés de part et d'autre du rail. L'autre extrémité du bras est liée à l'écran 2 au moyen d'une rotule mécanique 25. L'écran peut comporter un cache 21 mobile comme représenté sur les figures 2 et 4 à 8. il peut également comporter des poignées 27 permettant de faciliter la manipulation de l'écran. Les pièces mécaniques sont réalisées dans des matériaux légers et le bras articulé peut comporter des rainures ou des alvéoles de façon à alléger au mieux l'ensemble mécanique ;- An armrest 4, the entire retraction device being masked by an armrest cover 47. In Figures 4 to 7, the armrest cover 47 is not shown so as to show the mechanics below. The armrest 4 comprises a rail 3 in the form of a circular arc, the upper end of the rail being substantially vertical and the lower end substantially horizontal; - A retractable display screen 2 having a display area 5. Generally, this screen is a liquid crystal color display. As has been said, the screen comprises either control buttons, a touch surface or a transparent touch screen disposed on the display surface. It is preferable, since the screen can be used as a tablet, that the screen has a certain tightness to the dust and liquids. The screen comprises a support arm 22. One end of the arm is articulated by means of a hinge 23, itself mounted on a movable carriage 24. The carriage is integral with said rail and movable in translation, causing the screen between a first low storage position and a second high position of the screen. In the exemplary embodiment, the carriage comprises three drive rollers located on either side of the rail. The other end of the arm is linked to the screen 2 by means of a mechanical ball 25. The screen may comprise a mobile cover 21 as shown in FIGS. 2 and 4 to 8. It may also comprise handles 27 allowing to facilitate the manipulation of the screen. The mechanical parts are made of lightweight materials and the articulated arm may include grooves or cells so as to lighten the mechanical assembly as much as possible;
- un système amortisseur 41 solidaire de l'accoudoir et du chariot mobile. Dans l'exemple de réalisation, le système amortisseur est réalisé au moyen d'un câble 42 passant à travers sept poulies 45. Quatre de ces poulies sont fixes et solidaires de l'accoudoir 4. Les trois autres poulies sont solidaires de tiges mobiles 44 reliées à des ressorts de rappel 43 de façon que, lorsque le chariot glisse le long du rail, le câble tire sur les poulies mobiles, provoquant l'extension des ressorts de rappel. On amortit ainsi le poids de l'écran. Une butée 46 située sur l'accoudoir permet de limiter la course de l'écran. Bien entendu, d'autres systèmes amortisseurs sont envisageables.- A damping system 41 integral with the armrest and the movable carriage. In the exemplary embodiment, the damping system is made by means of a cable 42 passing through seven pulleys 45. Four of these pulleys are fixed and integral with the armrest 4. The other three pulleys are secured to movable rods 44. connected to the return springs 43 so that when the carriage slides along the rail, the cable pulls on the movable pulleys, causing the extension of the return springs. This dampens the weight of the screen. A stop 46 located on the armrest limits the stroke of the screen. Of course, other damping systems are conceivable.
Grâce à ces différents moyens mécaniques, l'écran de visualisation peut adopter quatre positions différentes représentées sur les figures 1 à 8.Thanks to these different mechanical means, the display screen can adopt four different positions shown in Figures 1 to 8.
Sur les figures 1 et 2, l'écran est en position basse de rangement ou position d'escamotage, il est plaqué verticalement contre l'accoudoir et dégage complètement l'espace situé devant la personne assise. La butée de sécurité permet de limiter la course de l'écran. Sur la figure 1 , l'écran est représenté sans son cache de protection 21 et sur la figure 2, le cache est représenté.In Figures 1 and 2, the screen is in the low position of storage or retracted position, it is pressed vertically against the armrest and completely clears the space in front of the seated person. The safety stop limits the stroke of the screen. In Figure 1, the screen is shown without its protective cover 21 and in Figure 2, the cache is shown.
Si la personne assise veut utiliser l'écran, elle saisit la poignée 27 qui se trouve près du bord supérieur de l'accoudoir et la tire. Le chariot est entraîné le long du rail 3 et suit une trajectoire en arc de cercle. Ce mouvement permet de limiter l'effort de l'utilisateur, d'autant plus que le mouvement est facilité par le système d'amortissement 41 qui compense en partie le poids de l'écran. En finale, comme représenté sur les figures 3 et 4, l'écran se retrouve vertical dans une seconde position dite verticale haute. Sur la figure 3, le cache n'est pas représenté. Sur la figure 4, le cache 21 est représenté et le cache-accoudoir est ôté, montrant le mécanisme du système amortisseur.If the seated person wants to use the screen, she grasps the handle 27 which is near the upper edge of the armrest and pulls it. The cart is driven along the rail 3 and follows a path in an arc. This movement limits the effort of the user, especially since the movement is facilitated by the damping system 41 which partially offsets the weight of the screen. In the final, as shown in Figures 3 and 4, the screen is found vertical in a second so-called vertical high position. In Figure 3, the cache is not shown. In Figure 4, the cover 21 is shown and the armrest cover is removed, showing the mechanism of the damper system.
Une fois l'écran en position haute, l'utilisateur le bascule à l'horizontale pour le placer devant lui, le bras support étant articulé au moyen d'une charnière 23. Cette charnière comporte des butées de façon à maintenir l'écran dans une position sensiblement horizontale comme représentée sur les figures 5 et 6. Sur la figure 5, le cache 21 est plaqué contre l'écran. On peut alors utiliser l'écran comme tablette. Sur la figure 6, le cache est en position ouverte. On peut alors utiliser l'écran en tant que tel. La configuration géométrique en position ouverte du cache dépend essentiellement de l'emplacement du siège. En cabine passagers, la course du cache est limitée par le siège précédent. Installé en cockpit, il est très important qu'en position ouverte, le cache ne gêne pas la vision de la planche de bord. Deux cas se présentent. Soit on peut escamoter le cache complètement sans venir buter dans la planche de bord en le faisant tourner d'au moins 180 degrés. Soit la manœuvre précédente n'étant pas possible, compte-tenu de la proximité de la planche de bord, il est alors préférable de démonter le cache.Once the screen in the up position, the user tilts it horizontally to place it in front of him, the support arm being articulated by means of a hinge 23. This hinge has stops so as to maintain the screen in a substantially horizontal position as shown in Figures 5 and 6. In Figure 5, the cover 21 is pressed against the screen. We can then use the screen as a tablet. In Figure 6, the cover is in the open position. We can then use the screen as such. The geometric configuration in the open position of the cache essentially depends on the location of the seat. In the passenger cabin, the race of the cache is limited by the previous seat. Installed in the cockpit, it is very important that in the open position, the cover does not hinder the vision of the dashboard. Two cases arise. Either you can hide the cover completely without stumbling into the dashboard by rotating it at least 180 degrees. Either the previous maneuver is not possible, given the proximity of the dashboard, it is better to disassemble the cache.
Généralement, les écrans de visualisation sont rectangulaires. Il est intéressant de pouvoir utiliser l'écran soit en mode « portrait » ou « texte », soit en mode « paysage ». Aussi, le bras support comporte une rotule 25 permettant de tourner l'écran et le cache de 90 degrés dans un plan sensiblement horizontal de la troisième position d'utilisation dite « paysage » à une quatrième position d'utilisation dite « portrait » ou « texte » comme illustré en figure 7.Generally, the display screens are rectangular. It is interesting to be able to use the screen either in "portrait" or "text" mode, or in "landscape" mode. Also, the support arm comprises a ball joint 25 for rotating the screen and the cover of 90 degrees in a substantially horizontal plane of the third use position called "landscape" to a fourth use position called "portrait" or " text "as shown in Figure 7.
La figure 8 représente une vue de dessous de l'écran en position haute horizontale. Cette vue montre les détails d'agencement de la rotule 25 et des deux poignées 27 constituées de tiges cylindriques coudées. Comme on le voit sur cette vue, le cache 21 peut comporter des trous 26 dans lesquels on peut disposer des gobelets lorsque le cache est utilisé en porte- plateau repas.Figure 8 shows a bottom view of the screen in the horizontal high position. This view shows the arrangement details of the ball joint 25 and two handles 27 consisting of angled cylindrical rods. As seen in this view, the cover 21 may include holes 26 in which the cups may be disposed when the cover is used in a meal tray holder.
Pour faciliter les manipulations, on peut motoriser au moins le déplacement du chariot le long du rail. Dans ce cas, il n'est plus nécessaire de mettre en place un système amortisseur à l'intérieur de l'accoudoir. Le rail comporte alors une crémaillère et le chariot une roue ou un pignon d'engrenage solidaire de cette crémaillère. To facilitate handling, it is possible to motorize at least the movement of the carriage along the rail. In this case, it is no longer necessary to set up a damping system inside the armrest. The rail then comprises a rack and the carriage a wheel or a pinion gear integral with this rack.

Claims

REVENDICATIONS
1. Siège (1 ), notamment pour aéronef, comprenant au moins un accoudoir (4) et un écran de visualisation (2) escamotable, caractérisé en ce que l'écran comporte un bras support (22) articulé monté sur un chariot (24) mobile et que l'accoudoir comporte un rail (3) en forme d'arc de cercle, l'extrémité haute du rail étant sensiblement verticale et la partie basse sensiblement horizontale, le chariot étant solidaire dudit rail et mobile en translation entre une première position basse de rangement de l'écran et une seconde position haute de l'écran.1. Seat (1), especially for aircraft, comprising at least one armrest (4) and a retractable display screen (2), characterized in that the screen comprises an articulated support arm (22) mounted on a carriage (24). ) and that the armrest comprises a rail (3) in the form of an arc of a circle, the upper end of the rail being substantially vertical and the lower part substantially horizontal, the carriage being integral with said rail and movable in translation between a first low position of storage of the screen and a second high position of the screen.
2. Siège selon la revendication 1 , caractérisé en ce que l'accoudoir (4) comporte un système amortisseur (41 ) solidaire de l'accoudoir et du chariot.2. Seat according to claim 1, characterized in that the armrest (4) comprises a damping system (41) integral with the armrest and the carriage.
3. Siège selon la revendication 2, caractérisé en ce que le système amortisseur (41) comporte un câble (42) passant dans au moins une poulie (45) mobile solidaire d'un ressort de rappel (43).3. Seat according to claim 2, characterized in that the damping system (41) comprises a cable (42) passing through at least one pulley (45) movable with a return spring (43).
4. Siège selon l'une des revendications précédentes, caractérisé en ce que le bras support (22) articulé comporte une charnière (23) solidaire du bras et du chariot mobile (24) agencée de façon que l'écran puisse basculer de la seconde position haute dans laquelle l'écran est en position sensiblement verticale à une troisième position haute dans laquelle l'écran est en position sensiblement horizontale d'utilisation.4. Seat according to one of the preceding claims, characterized in that the articulated support arm (22) comprises a hinge (23) integral with the arm and the movable carriage (24) arranged so that the screen can switch from the second high position in which the screen is in a substantially vertical position at a third high position in which the screen is in a substantially horizontal position of use.
5. Siège selon la revendication 4, caractérisé en ce que le bras support (22) comporte une rotule (25) permettant de tourner l'écran de 90 degrés dans un plan sensiblement horizontal de la troisième position d'utilisation à une quatrième position d'utilisation. 5. Seat according to claim 4, characterized in that the support arm (22) comprises a ball joint (25) for rotating the screen by 90 degrees in a substantially horizontal plane of the third use position at a fourth position. 'use.
6. Siège selon l'une des revendications précédentes, caractérisé en ce que l'écran (2) comporte un cache de protection (21) mobile permettant d'utiliser l'écran comme tablette.6. Seat according to one of the preceding claims, characterized in that the screen (2) comprises a protective cover (21) movable to use the screen as a tablet.
7. Siège selon l'une des revendications précédentes, caractérisé en ce que l'écran (2) comporte au mois une poignée (27).7. Seat according to one of the preceding claims, characterized in that the screen (2) has at least one handle (27).
8. Siège selon l'une des revendications précédentes, caractérisé en ce que le siège comporte des moyens de motorisation assurant au moins le déplacement du chariot (24), lesdits moyens commandés par un utilisateur assis sur le siège. 8. Seat according to one of the preceding claims, characterized in that the seat comprises motorization means ensuring at least the displacement of the carriage (24), said means controlled by a user sitting on the seat.
EP08759448A 2007-05-11 2008-05-07 Seat provided with a pivoting display screen Withdrawn EP2152577A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0703385A FR2915960B1 (en) 2007-05-11 2007-05-11 SEAT EQUIPPED WITH A RETRACTABLE VISUALIZATION SCREEN
PCT/EP2008/055611 WO2008141938A1 (en) 2007-05-11 2008-05-07 Seat provided with a pivoting display screen

Publications (1)

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EP2152577A1 true EP2152577A1 (en) 2010-02-17

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EP08759448A Withdrawn EP2152577A1 (en) 2007-05-11 2008-05-07 Seat provided with a pivoting display screen

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US (1) US8267472B2 (en)
EP (1) EP2152577A1 (en)
FR (1) FR2915960B1 (en)
WO (1) WO2008141938A1 (en)

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US8267472B2 (en) 2012-09-18
WO2008141938A1 (en) 2008-11-27
FR2915960A1 (en) 2008-11-14
FR2915960B1 (en) 2009-07-03
US20100171350A1 (en) 2010-07-08

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