EP0492024A1 - Einrichtung zur Gestattung und Untersagung des Zugangs mit einer versenkbaren Sperre - Google Patents

Einrichtung zur Gestattung und Untersagung des Zugangs mit einer versenkbaren Sperre Download PDF

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Publication number
EP0492024A1
EP0492024A1 EP90480219A EP90480219A EP0492024A1 EP 0492024 A1 EP0492024 A1 EP 0492024A1 EP 90480219 A EP90480219 A EP 90480219A EP 90480219 A EP90480219 A EP 90480219A EP 0492024 A1 EP0492024 A1 EP 0492024A1
Authority
EP
European Patent Office
Prior art keywords
box
housed
terminal
housing
installation according
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.)
Granted
Application number
EP90480219A
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English (en)
French (fr)
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EP0492024B1 (de
Inventor
Jacques Ancel
Gérard Grelet
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.)
D'etudes Et De Realisations Electrotechniques Et Electroniques Serel France SA Ste
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D'etudes Et De Realisations Electrotechniques Et Electroniques Serel France SA Ste
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Application filed by D'etudes Et De Realisations Electrotechniques Et Electroniques Serel France SA Ste filed Critical D'etudes Et De Realisations Electrotechniques Et Electroniques Serel France SA Ste
Priority to AT90480219T priority Critical patent/ATE113100T1/de
Priority to DE69013513T priority patent/DE69013513D1/de
Publication of EP0492024A1 publication Critical patent/EP0492024A1/de
Application granted granted Critical
Publication of EP0492024B1 publication Critical patent/EP0492024B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/044—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface
    • E01F13/046—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface the obstructing members moving up in a translatory motion, e.g. telescopic barrier posts
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/40—Arrangements responsive to adverse atmospheric conditions, e.g. to signal icy roads or to automatically illuminate in fog; Arrangements characterised by heating or drying means

Definitions

  • the invention relates to an installation for authorizing and prohibiting access comprising a retractable bollard, retractable into the ground.
  • Installations are already known for controlling vehicles in an area that must be totally or partially isolated, such as a private entrance, a port area, a pedestrian walkway, etc.
  • a barrier intended to prevent only the passage of certain vehicles can cause a certain psychological and physical discomfort for walkers, in particular the disabled or people pushing a pram; the chains are of questionable aesthetics; the terminals are generally fragile or heavy and difficult to maneuver.
  • retractable bollards in the ground which we tried to make easy and quick to put on or off, by various means, and which are capable of leaving easy access to pedestrians, prams, vehicles for the disabled, etc., operated by pneumatic or hydraulic cylinders.
  • Such terminals whose aesthetics, size and solidity can be adapted to the environment and to the desired function, on the other hand impose a difficult, "heavy" and expensive arrangement; more specifically, the installation requires the implementation of a compressor, its reservoir and its drive motor, as well as a system of pneumatic and control valves such as solenoid valves which are often not of sufficient reliability for this type of installation, the assembly having to be connected to the electrical network; this installation therefore requires a technical room and connecting pipes from the technical room to the terminal, and so it cannot be installed in any location.
  • pneumatic terminals if the terminal slides badly, the rise in air pressure can cause the terminal to suddenly exit, which constitutes a potential danger. This drawback does not exist in the case of hydraulic terminals, but these are more expensive and can only be justified with regard to large dimensions.
  • the object of the invention is to remedy these drawbacks and to create a streamlined installation of simple, efficient, aesthetic technique, having a large autonomy (no separate technical room), great ease of installation, good solidity and resistance. shock and corrosion, perfect tightness and almost absolute security even in the event that the bollard is however submerged and in the event of a destructive shock, and allowing easy maintenance, "all weather” operation and particularly in freezing weather, varied control systems, and low set-up and maintenance costs, so that its use is aimed at both individuals (co-ownerships for example) and more affluent communities.
  • the invention relates to an installation for authorizing and prohibiting access, comprising a box intended to be housed in the ground and a terminal movable in longitudinal translation from an extended position in which it is at least partially outside the box and it prohibits access to a retracted position in which it is at least for the most part in the box and it allows access, by means of motors, installation characterized in that the motors means comprise a electric motor of the geared motor type disposed in a housing at the bottom of the box and a translation actuation device provided with a fixed part in translation permanently housed in a housing supported by the motor housing and a part mobile housed at least for most of it in the same housing in the retracted position, in that the housing of the electric motor and the housing of the actuating device are enclosed in an envelope, in that the upper part of the envelope and the movable part of the device actuation are enclosed in a cover, and in that the cover, the upper part of which constitutes the terminal, is fixed to said movable part of the actuation
  • the drive means are not pneumatic or hydraulic, but include an electric motor, it is not necessary to provide fluid pipes whose installation is problematic.
  • the motor and the actuating device are enclosed in an envelope, which can also contain an electronic control unit, the whole being in a preferably sealed box, the electrical safety can be made almost total.
  • the installation can include an electronic control device housed inside a box itself housed in the envelope, allowing it to be controlled remotely. by magnetic card, key, clock, and thus giving it great flexibility of use; an electrically powered brake, such as an electromagnet, can cause the motor to lock up when powered and release in the absence of power, which avoids any dangerous prohibition of access in the event of an electrical failure ; an electric heating device can avoid blockages of the installation due to frost, and a discharge valve can also help to avoid this drawback as well as the drowning of the installation; operating shocks occurring when the terminal comes into abutment can be absorbed by elastic means such as springs or the presence of suitable material; fixing the envelope to the box can be achieved by means of a quick-action device, allowing easy replacement of the envelope.
  • an electrically powered brake such as an electromagnet
  • the installation for authorizing and prohibiting access shown in the drawing essentially comprises a box 1 intended to be housed in the ground and a terminal 21 movable in longitudinal translation from an extended position in which it is at least partially ( here almost completely) out of the box and it prevents access to a retracted position, in which it is at least in large part in the box (here its side wall is in the box while its upper face constitutes the cover of it) and it authorizes access.
  • the box 1 is in the form of a mushroom formed by a body 11 intended to be buried in the ground, a head 12 and a bottom 13.
  • the body 11 is a cylinder of revolution with a circular cross section;
  • the head 12 comprises, at the upper end of the cylinder, a ring 121 welded to the outside of the body 11 and flush with the upper end of the latter, and a ring 122 covering the ring 121 and having a circular shape plane in its part extending outside the body perpendicular to it and in a domed spherical cap towards the outside of the body in its part extending inside the circular outline thereof;
  • the crown 122 is fixed to the ring 121 by screws and extends downwards inside the body 1 by a centering foot 123 which will be described more precisely below.
  • the seal between the body 11 and the head 12 is ensured by an O-ring 124 housed at the upper end of the body; this plate 122 in the form of a circular crown is provided for flush with the surface of the ground; the bottom 13 of the box, at its lower end, is a disc welded to the latter.
  • the terminal 21 is constituted by the upper part of a cover 2 in two parts 21, 22 in the form of cylinders of revolution with a circular cross section (the diameter of the terminal being a little larger than that of the other part), arranged almost end to end (with slight overlap) along the same axis central which is none other than the central axis of the box 1, connected by an annular connection 23; the cylinder constituting the terminal 21 is closed at its upper end by a closure plate 211 in the form of a spherical cap domed outwards, with the same radius of curvature as the annular cap constituting the head 12 of the box, and of slightly outer diameter smaller than the inside diameter thereof, so that the assembly forms a practically continuous spherical cap.
  • the annular connection fitting 23 is arranged in the overlapping area of the two cylindrical parts 21, 22; it has a centering zone 231 welded around the cylindrical part of smaller diameter and housed inside the cylindrical part of larger diameter, to which it is linked by screws, extended, outside the overlapping zone, around the part of smaller diameter, by a base 232 in the form of a circular crown, the external contour of which is arranged opposite the internal wall of the body of the box 1, in the immediate vicinity thereof.
  • a plate 25 which supports a seal 26 pinched between the base 23 and the plate 25; the shape and dimensions of the seal 26 allow, when mounting the terminal, a slight clearance vis-à-vis the wall of the body 1 such that the water eventually seeping on the internal wall of the body is not discharged towards the top, but on the other hand that during the descent of the terminal, it is pushed back down from where it will then be evacuated as will be described later.
  • the extended limit position of the terminal 21 is delimited by an upper annular seat 14 produced in the centering foot 123 fitted at the top of the internal wall of the body; preferably, the upper seat 14 has a frustoconical central opening which widens downwards, while the base 232 of the cover supports a lining 24 provided with a flange carrying a frustoconical body substantially of the same diameters as the opening of the seat 14 and also widening downwards, so that when the terminal 21 is in the high position, the upper face of the flange of the lining 24 is in abutment against the lower face of the upper seat 14, and that the peripheral zone of the frustoconical body of this lining is in abutment against the frustoconical central opening of the seat; the centering foot 123 of the box 1, advantageously, can also have, above its frustoconical opening, a determining internal shoulder, with the underside of the annular cap constituting the head 12 of the box, a cavity for housing a gasket
  • the cover 2 In order to actuate the cover 2 in longitudinal translation along its central axis, it is secured to an actuating device cooperating with motor means comprising an electric motor of the geared motor type housed in the lower part of the box 1; this motor is here of the 220 Volt single-phase type and is electrically connected to a control device which is partly integrated into the terminal, and for another part (connected to the first by suitable conductors) outside, in particular in the event of '' a remote control or external control by magnetic card, key, clock, magnetic loop with or without vehicle recognition, etc.
  • motor means comprising an electric motor of the geared motor type housed in the lower part of the box 1; this motor is here of the 220 Volt single-phase type and is electrically connected to a control device which is partly integrated into the terminal, and for another part (connected to the first by suitable conductors) outside, in particular in the event of '' a remote control or external control by magnetic card, key, clock, magnetic loop with or without vehicle recognition, etc.
  • the installation is however autonomous vis-à-vis other neighboring similar terminals and does not include other remote elements than any control members;
  • the electrical supply connection is made only by means of an insulated cable passing through the various walls in cable glands such as that shown in the lower part of the motor housing 3.
  • the actuating device and the motor cooperate by means of a screw-nut mechanism, for example with a ball screw, or a worm screw, operating in oil, and the motor and this mechanism are therefore enclosed in a housing.
  • the actuating device consists of a fixed part itself also housed in a sealed housing 4, and a retractable movable part housed for the most part in the fixed part, and thus in the housing, in the retracted position ;
  • the housing 3 of the motor and possibly of its control device supports that of the actuation device, and the whole is enclosed in an envelope 5 also sealed, which constitutes double insulation in accordance with the safety standards in force.
  • the lower end of the casing 5 closed by a bottom plate 51 folded in the shape of a bowl, externally comprises an annular flange 52 pierced with regularly spaced holes, holes crossed by rivets 53 whose free end of the body is welded in the bottom 13 of the box; the body of the rivets 53 is surrounded by helical springs 54 bearing against the bottom of the box and the underside of the flange, with a view to absorbing the operating shocks of the terminal when the latter arrives in the stop position; moreover, the presence of these springs, combined with the fact that the holes for the rivets are oblong curved openings with a countersink at one end for the housing of the head of the rivet and a drilling of the diameter of this head at the other end , allows rapid assembly and disassembly of the enclosure and its contents, in the event of a breakdown, with a view to troubleshooting or replacement (so-called "bayonet"fixing); advantageously, the bowl is itself
  • the housing 4 of the actuating device is fixed to the upper face 56 of the casing 5 by means of an annular plug 57 welded, force-fitted or screwed into this upper face and lined internally with a seal 58 in compression against the side wall of the housing 4; the length adjustment of the assembly in the casing 5 is obtained by backlash washers; thus, in the retracted position, only protrudes from the housing and thus from the envelope, the top of the actuating device, with the movable part of this device, suitably sealed; the structure of the assembly is entirely coaxial, from the casing 1 (outside) to the mobile part of the actuating device (inside) passing naturally through the cover 2, the casing 5, the housings 3 , 4, as well as the motor and the fixed part (barrel containing the piston) of the electromechanical jack constituting the actuation device, and these various members have a general shape in cylinder of revolution with circular cross section; the movable part of the actuating device, which acts as a piston, is fixed to the center
  • the periphery of the casing 5 is provided with three longitudinal rails 59 distributed at 120 degrees, while the internal face of the lower part 22 of the cover 2 is provided with three U-shaped profiles 23 also longitudinal and distributed at 120 degrees, overlapping the rails 59, fixed by screws or the like (or vice versa, the envelope is provided with U-shaped profiles and the lower part of the rail cover housed in these profiles); these members prevent any rotation of the terminal 21 in the box 1.
  • the structure which has just been described comprising a terminal with a diameter of approximately 250 millimeters, and a height of 400 millimeters, is of great robustness, since, externally made of steel, it is capable of withstanding a impact of 15km / h (its weight is around 80 kg), the box being buried in a hole one meter deep and 0.80 meters in diameter.
  • the actuation device includes a torque limiter limiting the pushing force of the terminal during its ascent; a safety device with magnetic loop and / or photocell (s) prevents the bollard from being raised in the event that, for example, a vehicle is parked above it; an audible and / or luminous alarm can also be added to the terminal.
  • the installation comprises a zone of least resistance, due to the fixing of the centering zone 231 of the connector 23 in the cylindrical part of larger diameter 21 of the cover 2 by means of radial screws, the rupture of which, in the event violent impact on the terminal, protects the vital parts and thus limits repair costs.
  • the invention makes it possible to obtain thanks to the double sealing design of the box, is the maintenance of the installation against freezing.
  • a heating device preferably by electrical resistances with adjustment by thermostat; as the risk of frost is greater near the ground surface, this heating device (not shown in the drawing) is fixed near the upper end of the box 1.
  • the base of the box is fitted with a ball valve (also not shown ) allowing an automatic evacuation in the event of water entering, by means of a drainage conduit bringing back to the surface of the ground by overpressure the water evacuated from the bottom of the box; in fact, thanks to the piston action of the seal 26 during the downward movement of the terminal, almost all of the water infiltrated between the box 1 and the casing 5 ends up being at the bottom of that -ci, from where it is therefore easily evacuated.
  • the installation is equipped with an electronic central unit allowing a certain number of operating cycles (for example four) and taking into account the various safeties (magnetic loops, photoelectric cells ...) .
  • the different cycles and options can be selected by means of eight switches, here switches known in the art under the name of D.I.P., arranged on an electronic card; as we have seen, this electronic card is connected to the chosen electronic control system: key, magnetic card, magnetic loop with or without vehicle recognition, photoelectric cell (s), clock (s), etc. or be equipped with a coded radio frequency receiver.
  • the operation of the installation is therefore extremely simple, since on command by a means mentioned above (magnetic card or other), the electric motor is rotated in one direction or the other, which causes as the case raising or lowering of the bollard guided by the rails to its opposite stop position; stopping the movement of the bollard causes the brake to be applied, which is released only in the event of reverse control or accidental interruption of the supply, in which case the bollard can be actuated manually; in the event of water penetration, this is evacuated by the valve provided for this purpose, and in the event of a drop in temperature, the thermostat triggers the electrical supply of the frost protection resistors; if a fault occurs, the envelope and its contents can be removed and replaced, the defective envelope being brought back to the workshop for repair.
  • the installation which has just been described has a large number of advantages, and in particular, its autonomy is linked to a great simplification with respect to existing installations, and it is likewise its reliability also due to the protection with double sealing of the vital parts, and its ease of servicing and maintenance since in the event of a breakdown of the engine module for example, it can be purely and simply replaced and then repaired in the workshop, without a highly qualified workforce is required on site.
  • As its installation is easy in any place without obligation to provide a technical room, its full automation, and its almost total safety of use (thanks in particular to its unlocking by electro-brake acting in the event of a power cut), to a safe instruction manual, for costs reduced by about half compared to existing installations.
  • With regard to its flexibility of use and its adaptability to all circumstances it suffices to note the large number of control systems which are adaptable to it.
  • the invention is not limited to the embodiment described and shown above, and other forms can be provided without departing from its scope, for example lighter miniaturized installations intended more for the control of '' access to private car parks as public places, but still motorized and remotely controlled, or even only semi-automatic installations with erasing the terminal by pressing on it, for example with the foot, after unlocking, but restarted remotely from a vehicle by remote control to a channel.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP90480219A 1989-07-18 1990-12-27 Einrichtung zur Gestattung und Untersagung des Zugangs mit einer versenkbaren Sperre Revoked EP0492024B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT90480219T ATE113100T1 (de) 1990-12-27 1990-12-27 Einrichtung zur gestattung und untersagung des zugangs mit einer versenkbaren sperre.
DE69013513T DE69013513D1 (de) 1990-12-27 1990-12-27 Einrichtung zur Gestattung und Untersagung des Zugangs mit einer versenkbaren Sperre.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909610A FR2650009B1 (fr) 1989-07-18 1989-07-18 Installation d'autorisation et d'interdiction d'acces a borne escamotable

Publications (2)

Publication Number Publication Date
EP0492024A1 true EP0492024A1 (de) 1992-07-01
EP0492024B1 EP0492024B1 (de) 1994-10-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90480219A Revoked EP0492024B1 (de) 1989-07-18 1990-12-27 Einrichtung zur Gestattung und Untersagung des Zugangs mit einer versenkbaren Sperre

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EP (1) EP0492024B1 (de)
FR (1) FR2650009B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715674A1 (fr) * 1994-01-28 1995-08-04 Bois Roger Rene Dispositif de fermeture de rues, de voies d'accès, places de stationnement.
GB2408063A (en) * 2003-11-06 2005-05-18 Kingpin Bollards Ltd Barrier system
CN109295880A (zh) * 2018-02-24 2019-02-01 上海硕亚科技发展有限公司 一种用于全天候条件下的自动升降地柱
CN110306464A (zh) * 2019-07-11 2019-10-08 国家电网有限公司 一种安措杆结构和控制方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650009B1 (fr) * 1989-07-18 1994-01-07 Agetec Sarl Installation d'autorisation et d'interdiction d'acces a borne escamotable
FR2659995B1 (fr) * 1990-03-23 1995-05-12 Bernard Card Borne de voirie telescopique motorisee.
FR2697548B1 (fr) * 1992-11-02 1994-12-30 Jacques Ancel Mécanisme d'entraînement pour borne rétractables.
FR2705979B1 (fr) * 1993-06-04 1995-08-18 Innovatron Ind Sa Dispositif support d'élément de mobilier urbain escamotable à actionneur électrique.
DE9404293U1 (de) * 1994-03-14 1994-04-28 Zach, Wolfgang, 28259 Bremen Vorrichtung zum wahlweisen Absperren von Verkehrsflächen
FR2743097B1 (fr) * 1995-12-29 1998-03-27 Sarl Ferinox Systeme de borne retractable
FR2776315B1 (fr) 1998-03-23 2000-05-19 Serge Videmont Dispositif pour permettre ou empecher le passage d'un vehicule, du type borne escamotable
FR2785307B1 (fr) * 1998-10-30 2001-01-05 Andre Bigazzi Dispositif de signalisation routiere comprenant un element de signalisation retractable et procede de mise en oeuvre
US6626606B1 (en) 2000-08-04 2003-09-30 National Sign & Signal Co. Retractable pylon arrangement
US6955495B1 (en) * 2002-09-10 2005-10-18 Calvin Datta Retractable delimiters for runways, roads and the like
US7367746B2 (en) * 2005-09-28 2008-05-06 Koei Industry Co., Ltd. Lifting pole apparatus for traffic control
DE102009054224A1 (de) * 2009-11-21 2011-05-26 AR&T, Applied Robot & Technologies UG (haftungsbeschränkt) Ein automatisches ein- und ausfahrbares Pfostensystem

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1246051A (fr) * 1959-01-28 1960-11-10 Appareil de contrôle de trafic, et installation constituée de tels appareils ou d'appareils similaires
US3698135A (en) * 1971-09-17 1972-10-17 Scope Lock Inc Vehicle parking space locking device
DE2158977A1 (de) * 1971-11-27 1973-06-07 Fischer Stahlbau Ausfahrbare sperre fuer verkehrswege
FR2259187A1 (en) * 1974-01-28 1975-08-22 Bonvin Francois Vehicle access barrier equipment - has hollow support in ground into which tubular section retracts
US3963363A (en) * 1974-03-04 1976-06-15 Roper David H Traffic control device
DE3303451A1 (de) * 1983-02-02 1984-08-02 Heinz 8060 Dachau Dalen Versenkbarer absperrpfosten
DE3508856A1 (de) * 1985-03-13 1986-09-25 Horst 6000 Frankfurt Wellmann Strassenabsperrpoller
FR2596782A1 (fr) * 1986-04-04 1987-10-09 Verra Yvan Borne de voirie retractable munie de moyens de commande
US4919563A (en) * 1989-08-14 1990-04-24 Stice David L Vehicle parking or passageway security barrier
FR2650009A1 (fr) * 1989-07-18 1991-01-25 Agetec Sarl Installation d'autorisation et d'interdiction d'acces a borne escamotable

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1246051A (fr) * 1959-01-28 1960-11-10 Appareil de contrôle de trafic, et installation constituée de tels appareils ou d'appareils similaires
US3698135A (en) * 1971-09-17 1972-10-17 Scope Lock Inc Vehicle parking space locking device
DE2158977A1 (de) * 1971-11-27 1973-06-07 Fischer Stahlbau Ausfahrbare sperre fuer verkehrswege
FR2259187A1 (en) * 1974-01-28 1975-08-22 Bonvin Francois Vehicle access barrier equipment - has hollow support in ground into which tubular section retracts
US3963363A (en) * 1974-03-04 1976-06-15 Roper David H Traffic control device
DE3303451A1 (de) * 1983-02-02 1984-08-02 Heinz 8060 Dachau Dalen Versenkbarer absperrpfosten
DE3508856A1 (de) * 1985-03-13 1986-09-25 Horst 6000 Frankfurt Wellmann Strassenabsperrpoller
FR2596782A1 (fr) * 1986-04-04 1987-10-09 Verra Yvan Borne de voirie retractable munie de moyens de commande
FR2650009A1 (fr) * 1989-07-18 1991-01-25 Agetec Sarl Installation d'autorisation et d'interdiction d'acces a borne escamotable
US4919563A (en) * 1989-08-14 1990-04-24 Stice David L Vehicle parking or passageway security barrier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715674A1 (fr) * 1994-01-28 1995-08-04 Bois Roger Rene Dispositif de fermeture de rues, de voies d'accès, places de stationnement.
GB2408063A (en) * 2003-11-06 2005-05-18 Kingpin Bollards Ltd Barrier system
CN109295880A (zh) * 2018-02-24 2019-02-01 上海硕亚科技发展有限公司 一种用于全天候条件下的自动升降地柱
CN110306464A (zh) * 2019-07-11 2019-10-08 国家电网有限公司 一种安措杆结构和控制方法
CN110306464B (zh) * 2019-07-11 2021-10-22 国家电网有限公司 一种安措杆结构和控制方法

Also Published As

Publication number Publication date
FR2650009A1 (fr) 1991-01-25
FR2650009B1 (fr) 1994-01-07
EP0492024B1 (de) 1994-10-19

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