FR2938042A1 - Articulated fixation device i.e. cable lead-through support, for surveillance camera in e.g. railway station, has arched arms articulated on hook, and arched cable lead-through tube oscillating at interior of hook without obstacle - Google Patents

Articulated fixation device i.e. cable lead-through support, for surveillance camera in e.g. railway station, has arched arms articulated on hook, and arched cable lead-through tube oscillating at interior of hook without obstacle Download PDF

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Publication number
FR2938042A1
FR2938042A1 FR0806183A FR0806183A FR2938042A1 FR 2938042 A1 FR2938042 A1 FR 2938042A1 FR 0806183 A FR0806183 A FR 0806183A FR 0806183 A FR0806183 A FR 0806183A FR 2938042 A1 FR2938042 A1 FR 2938042A1
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France
Prior art keywords
hook
arms
articulated
tube
arched
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Granted
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FR0806183A
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French (fr)
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FR2938042B1 (en
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Philippe Floris Jean Lepers
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19632—Camera support structures, e.g. attachment means, poles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2021—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2092—Undercarriages with or without wheels comprising means allowing depth adjustment, i.e. forward-backward translation of the head relatively to the undercarriage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/063—Parallelogram arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/065—Arms with a special structure, e.g. reinforced or adapted for space reduction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The device has a vertical hanger (2) fixed to a wall or ceiling or under a roof by an anchoring stand (1) and with an end including a bolted or welded u-shaped primary hook (3). Arched arms (10, 11) are articulated on the hook, and an arched cable lead-through tube (12) oscillates at an interior of the hook without obstacle. A driving system drives the arms and the tube in rotation and is constituted by an endless screw (5). The endless screw is activated by a fixed or detachable crank (6), and a stirrup is integrated to the arms.

Description

-1- La présente invention concerne un dispositif de fixation articulée pour caméra . Des caméras de surveillance, on en trouve partout dans le monde. Les villes, les autoroutes, les transports, les aérogares s'en équipent de plus en plus. Une ville comme Londres en dénombre pas moins de 400000. The present invention relates to an articulated fixing device for a camera. Surveillance cameras are found all over the world. Cities, highways, transport and terminals are becoming more and more equipped. A city like London counts no less than 400,000.

Pour ne pas être sujet au vandalisme ou prendre suffisamment de recul pour embrasser une scène la plus large possible, il n'y a pas vraiment le choix ; Il faut les installer en hauteur. Vient le problème de la maintenance. Des échelles, des plates-formes élévatrices, des escabeaux, sont utilisés. Certaines implantations, à coté d'une fenêtre par exemples sont équipé de systèmes pivotant 10 ou coulissant destinés à rabattre la caméra en zone de sécurité. Le problème est tout autre lorsque l'implantation est relativement prés du sol mais en zone excessivement dangereuse. Les bords des quais de gares par exemple. Certaines configurations, quais en courbe, entres autres, impliquent de multiplier les points d'observation. 15 Tant que la visualisation est destinée à toute la largeur du quai, les caméras peuvent être implantées assez loin du bord, réduisant ainsi les risque pour la maintenance. Mais lorsqu'il s'agit de rames de métro avec les quais protégés de portes automatiques, le problème se corse. Là, de simples suspentes fixes ne conviennent plus. La sécurité des voyageurs impose d'installer des caméras au droit du bord de quai afin de 20 visualiser la zone comprise entre les portes de rame et les portes de quai . Zone étroite mais très dangereuse, le conducteur de son poste, ne peut guère la visualiser correctement même au niveau de la première voiture. L'appoint de la vidéo lui est donc indispensable. Le problème vient justement de cette implantation . Trop près du bord 1' agent de 25 maintenance ne peut manipuler sans risque une caméra au dessus de la tête des passagers. L'opération ne peut donc se faire que pendant la nuit quant le trafic est interrompu. En attendant, la sécurité n'est plus assurée pour cette zone. La solution est de ramener à distance la caméra dans une aire sécurisée. La plus part des quais de métro sont équipés de bandeaux lumineux installés près du bord, 30 relativement bas, de l'ordre de 2m50. To avoid being subject to vandalism or to take enough distance to embrace the widest possible scene, there is no real choice; They must be installed in height. Comes the problem of maintenance. Ladders, platform lifts, stepladders, are used. Some locations, next to a window for example, are equipped with pivoting or sliding systems intended to fold the camera into a safety zone. The problem is quite different when the implantation is relatively close to the ground but in excessively dangerous zone. The edges of station platforms, for example. Some configurations, curved docks, among others, involve multiplying the observation points. As long as the visualization is intended for the full width of the platform, the cameras can be located far enough from the edge, thus reducing the risks for maintenance. But when it comes to subway trains with protected wharves automatic doors, the problem is getting worse. There, simple fixed lines are no longer suitable. Passenger safety requires the installation of cameras at the edge of the wharf to visualize the area between the rowing gates and the wharf doors. Narrow but very dangerous area, the driver of his post, can hardly see it correctly even at the level of the first car. The extra video is therefore essential. The problem comes precisely from this implementation. Too close to the edge, the maintenance agent can not safely handle a camera above the passengers' heads. The operation can only be done during the night when the traffic is interrupted. Meanwhile, security is no longer assured for this area. The solution is to remotely bring the camera back into a secure area. Most of the subway platforms are equipped with light strips installed near the edge, relatively low, of the order of 2m50.

-2- La caméra, pour être efficace, doit être installée assez haut pour embrasser une zone la plus vaste possible. Il ne faut pas que les passagers les plus près de la caméra ne cachent les plus éloignés. Pour cela l'axe optique est généralement placé à plus de 2m50, au dessus du niveau bas du bandeau lumineux. -2- The camera, to be effective, must be installed high enough to embrace a zone as wide as possible. The passengers closest to the camera must not hide the furthest away. For this purpose the optical axis is generally placed at more than 2m50, above the low level of the light strip.

Il faut donc, pour résoudre le problème, que l'opérateur soit en zone sécurisée, milieu de la largeur du quai par exemple. De là il doit pouvoir déverrouiller le support caméra, la descendre, toujours à distance, puis la ramener vers soi en passant sous le bandeau. De plus, pour régler correctement l'objectif, il faut que la caméra ne se déplace que dans un plan vertical perpendiculaire à l'axe du quai pour une mise au point identique. It is therefore necessary, to solve the problem, that the operator is in a secure area, middle of the width of the dock, for example. From there, he must be able to unlock the camera support, lower it, always at a distance, then bring it back towards him, passing under the blindfold. In addition, to properly adjust the lens, the camera must only move in a vertical plane perpendicular to the axis of the dock for the same focus.

La présente invention, qui peut être extrapolée à d'autre situations autres que ferroviaires, consiste en une suspente ou une potence, selon que l'on se fixe sous plafond ou au mur, formée d'un parallélogramme articulé selon les fig.l, 2, 3, 4 et 5 Une suspente (2) fixée au mur, au plafond ou sous voûte par un socle d'ancrage (1), est équipée à son extrémité d'une crosse primaire (3) en forme de U boulonnée ou soudée. The present invention, which can be extrapolated to other situations other than railway, consists of a hanger or a bracket, depending on whether one is fixed under ceiling or on the wall, formed of a parallelogram articulated according to fig.l, 2, 3, 4 and 5 A hanger (2) fixed to the wall, ceiling or vault by an anchoring base (1) is equipped at its end with a bolted U-shaped primary head (3) or welded.

Sur celle ci viennent s'articuler sur ses flancs externes deux branches (10) (11) sans axe traversant et à l'intérieur, un tube cintré (12) pouvant osciller sans obstacle. Articulée de la même manière à l'autre extrémité, une crosse secondaire (13) reçoit la rotule coudée (14) permettant la fixation du caisson de protection caméra (16) Les câbles d'alimentations et vidéo serpentent dans le socle (1), la suspente (2),le tube (12) et la rotule coudée (14) réglable en site et en azimut. Solidaire de la crosse (3) par les paliers (7), une vis sans fin (5), liée à la manivelle (6), entraîne une roue dentée (4) solidaire du bras (10) par l'axe (9) lui même en rotation sur le flanc de la crosse (3) par l'axe (15) 2 vis moletées (8) verrouillent les branches (10) et (11)sur les flancs de la crosse (3). 25 L'opérateur, hissé au niveau de la suspente, déverrouille les 2 vis de sécurité (8) et tourne la manivelle (6). ( Pour que la manivelle reste en position lorsque l'on cesse de la solliciter, le rapport de réduction ne doit pas permettre la réversibilité. Il serait dangereux que le poids de l'ensemble, situé majoritairement en porte à faux, n'entraîne par gravité la caméra vers 30 le bas lorsque l'on lâche la manivelle. ) Le couple vis sans fin / Engrenage (4) (5) fait pivoter le bras (10) dans un mouvement circulaire, entraînant son bras jumeaux (11) et le tube cintré (12) Les bras (10) (Il) et tube (12) ayant une longueur de corde identique, par effet On this side are articulated on its outer flanks two branches (10) (11) without traversing axis and inside, a bent tube (12) can oscillate without obstacle. Articulated in the same way at the other end, a secondary butt (13) receives the bent joint (14) for fixing the camera protection box (16) The power and video cables snake in the base (1), the hanger (2), the tube (12) and the angle joint (14) adjustable in elevation and in azimuth. Solidarity of the butt (3) by the bearings (7), a worm (5), connected to the crank (6), drives a toothed wheel (4) secured to the arm (10) by the axis (9) itself rotated on the side of the butt (3) by the axis (15) 2 knurled screws (8) lock the branches (10) and (11) on the sides of the butt (3). The operator, hoisted at the level of the hanger, unlocks the 2 security screws (8) and turns the crank (6). (In order for the crank to remain in position when it is no longer in use, the reduction ratio must not allow reversibility.It would be dangerous for the weight of the assembly, which is mostly cantilevered, not to gravity the camera downward when the crank is released.) The auger / gear pair (4) (5) rotates the arm (10) in a circular motion, driving its twin arm (11) and the bent tube (12) The arms (10) (II) and tube (12) having an identical length of rope, by effect

-3- pantographique, la crosse secondaire (13) conserve son assiette tout au long de la course, ainsi l'image reste toujours horizontale quelque soit sa position L'étendue maximum de cette course est fonction de l'entraxe X, du cintrage de (10) (11) et (12) ainsi que du volume pris par le caisson. -3- Pantograph, the secondary stick (13) keeps its attitude throughout the race, so the image remains horizontal regardless of its position The maximum extent of this race is a function of the distance between X, the bending of (10) (11) and (12) as well as the volume taken by the box.

Sur la fig. 2 la suspente est représenté dans trois position : La position travail. L'entraxe axe suspente /axe optique X est maximale. La position caméra au plus bas. Elle se retrouve dans l'axe de la suspente en ayant reculé de X et baissée de Y'. La position caméra la plus éloignée. Elle se retrouve dans une position intermédiaire, reculée de X' et baissée de Y, limitée par le tube (12) touchant la rotule coudée (14). L'intervention sur la caméra terminée, l'opérateur effectue les opérations inverses et verrouille l'appareil à l'aide des 2 vis moletées (8) Une variante simplifiée selon la fig. 4 consiste à remplacer le mécanisme d'entraînement par vis sans fin par une assistance à ressort de traction (20) avec comme points d'ancrage deux étriers(18) (19) pincés sur la suspente verticale (2) d'une part et un étrier (17) solidaire des bras (10) et (11) d'autre part. Compte tenu de l'absence de maintient en position permanent que procure le mécanisme à vis sans fin, deux verrouillages sont nécessaire, l'un pour la position travail, l'autre pour la position maintenance. In fig. 2 the hanger is shown in three positions: The work position. The center line / X axis axis distance is maximum. The camera position at the lowest. It is found in the axis of the line having retreated X and Y 'down. The furthest camera position. It is found in an intermediate position, retracted X 'and lowered Y, limited by the tube (12) touching the bent joint (14). The intervention on the camera completed, the operator performs the reverse operations and locks the device using 2 knurled screws (8) A simplified variant according to fig. 4 consists in replacing the worm drive mechanism with a traction spring assistance device (20) with anchoring points two brackets (18) (19) pinched on the vertical hanger (2) on the one hand and a stirrup (17) secured to the arms (10) and (11) on the other hand. Given the absence of maintenance in permanent position that provides the worm gear mechanism, two locks are necessary, one for the working position, the other for the maintenance position.

Une autre variante de la version à vis sans fin est de diriger l'extrémité de l'axe de la vis coté manivelle vers le sol. Y adjoindre une manivelle amovible suffisamment longue ou télescopique pour permettre la manipulation directement à partir du sol, rendant ainsi caduque l'utilisation d'escabeau ou autres nacelle. La longueur des bras (10) (11) et du tube (12) seront calculés en conséquence afin 25 d'amener la caméra au niveau de l'opérateur resté au sol. Si la hauteur le permet, ( bas du bandeau bien au dessus de l'axe optique), la rotule coudée (21) peut être fixé vers le bas, plaçant la caméra en dessous de la suspente. N'offrant plus de gène au tube cintré (12) lors de sa remonté vers l'intérieur du quai, la caméra peut remonter au même niveau que sa position travail sur une distance de 2X 30 très utile si l'on veut s'éloigner au maximum du bords du quai . Les matériaux utilisés pour la réalisation de cet ensemble peuvent être en acier ou alliages d'aluminium mécano-soudés ou en fonderie d'alliage d'aluminium. Les axes, la visserie, engrenages et vis sans fin, en acier traité ou en inox. Another variant of the worm version is to direct the end of the axis of the crank-side screw towards the ground. Add a detachable crank handle long enough or telescopic to allow handling directly from the ground, thus making obsolete the use of stepladder or other nacelle. The length of the arms (10) (11) and the tube (12) will be calculated accordingly to bring the camera to the level of the operator on the ground. If the height allows, (bottom of the strip well above the optical axis), the elbow (21) can be fixed downward, placing the camera below the hanger. No longer offering a gene to the bent tube (12) when it returns to the inside of the dock, the camera can go up to the same level as its working position over a distance of 2 x 30 very useful if one wants to get away maximum of the edges of the wharf. The materials used for the realization of this set may be steel or aluminum alloy welded or foundry aluminum alloy. Axes, screws, gears and worms, in treated steel or stainless steel.

Claims (6)

REVENDICATIONS1) Dispositif de fixation articulée pour caméra de surveillance caractérisée par l'utilisation d'une suspente ou potence (2) fixée au plafond, sous voûte ou mur à l'extrémité de laquelle est fixée une crosse creuse en forme de U (3) sur laquelle s'articule deux bras cintrés (10) (11) à axes indépendants et un tube passe-cables également cintré (12) pouvant osciller sans obstacle à l'intérieur de la crosse creuse (3). CLAIMS1) Articulated attachment device for surveillance camera characterized by the use of a hanger or bracket (2) attached to the ceiling, vault or wall at the end of which is fixed a hollow U-shaped butt (3) on which is articulated two curved arms (10) (11) with independent axes and an equally curved fairlead tube (12) able to oscillate without obstacle inside the hollow butt (3). 2) Dispositif selon la revendication 1 caractérisé par le mode de fixation des autres extrémités des bras cintrés (10) (11) et du tube passe-cables (12) sur la crosse creuse en forme de U (13) articulés sur des axes également Indépendants à l'extrémité de laquelle vient se fixer la rotule creuse (14). 2) Device according to claim 1 characterized by the method of attachment of the other ends of the bent arms (10) (11) and the gland tube (12) on the hollow U-shaped stock (13) hinged on axes also Independent at the end of which is fixed the hollow ball (14). 3) Dispositif selon la revendication 1 caractérisé par le système d'entraînement en rotation des bras (10) (11) et tube (12) constitué par une vis sans fin (5), en applique sur le flanc extérieur de la crosse (3, actionnée par manivelle fixe ou amovible (6), entraînant une roue dentée (4) solidaire du bras (10) 3) Device according to claim 1 characterized by the rotation drive system of the arms (10) (11) and tube (12) constituted by a worm (5), applied to the outer side of the butt (3). actuated by fixed or removable crank (6), driving a toothed wheel (4) integral with the arm (10) 4) Dispositif selon les revendications 2 et 3 caractérisé par les longueurs identiques des cordes d'arc de cercle des bras (10) (11) et tube (12) permettant d' assurer la constante horizontalité de la crosse (13) et donc de la caméra, quelque soit sa position, par effet pantographique. 4) Device according to claims 2 and 3 characterized by the identical lengths of the arcuate ropes of the arms (10) (11) and tube (12) for ensuring the constant horizontality of the butt (13) and therefore of the camera, whatever its position, by pantographic effect. 5) Dispositif selon les revendications précédentes caractérisé par un blocage de sécurité par vis (8) solidarisant les bras (10) et(11) sur les flancs de la crosse (3). 5) Device according to the preceding claims characterized by a safety lock by screw (8) solidarisant the arms (10) and (11) on the sides of the butt (3). 6) Dispositif selon la revendication 3 caractérisée par une variante du mode d'entraînement de la vis sans fin (5). Son extrémité dirigée vers le bas, elle est équipée d'un embout d'entraînement (17), actionnée du sol par la manivelle (18). 6) Device according to claim 3 characterized by a variant of the drive mode of the worm (5). Its end pointing downwards, it is equipped with a drive end (17) actuated from the ground by the crank (18).
FR0806183A 2008-11-06 2008-11-06 ARTICLE SUPPORT PASS CABLES FOR SURVEILLANCE CAMERA Expired - Fee Related FR2938042B1 (en)

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FR2938042B1 FR2938042B1 (en) 2010-11-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972557A1 (en) * 2011-03-09 2012-09-14 Systel Electronique Monitoring installation for use in nuclear reactor in nuclear facility that is utilized for producing electricity, during renovation of facility, has camera at specific height above upper slab, where camera is angled downward to pump

Citations (7)

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GB1240837A (en) * 1968-05-16 1971-07-28 Rank Organisation Ltd Improvements relating to camera systems
FR2426384A1 (en) * 1978-05-18 1979-12-14 Pennwalt Corp BALANCING MECHANISM OF A SUPPORT HEAD OF AN X-RAY TUBE
EP0568857A1 (en) * 1992-04-27 1993-11-10 Alcatel SEL Aktiengesellschaft Electronic camera
EP0737834A2 (en) * 1995-04-03 1996-10-16 Ergotron, Inc. Work center
US5713549A (en) * 1995-05-22 1998-02-03 Shieh; En-Ru Monitor support device
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