EP1404605B1 - Device for locking a lift door with independent emergency unlocking - Google Patents

Device for locking a lift door with independent emergency unlocking Download PDF

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Publication number
EP1404605B1
EP1404605B1 EP02764957A EP02764957A EP1404605B1 EP 1404605 B1 EP1404605 B1 EP 1404605B1 EP 02764957 A EP02764957 A EP 02764957A EP 02764957 A EP02764957 A EP 02764957A EP 1404605 B1 EP1404605 B1 EP 1404605B1
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EP
European Patent Office
Prior art keywords
locking
emergency unlocking
unlocking
designed
leaf
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Expired - Lifetime
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EP02764957A
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German (de)
French (fr)
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EP1404605A1 (en
Inventor
Yves Robert
Fabrice Mailler
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Tegur
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Tegur
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys

Definitions

  • the invention relates to the technical field of devices used for locking an elevator shaft landing door, leaf or leaf.
  • a locking device formed by a movable bolt lock
  • the housing is adapted to an amount of the frame of the door, so that the bolt can come engage in an additional keeper fitted on the door leaf.
  • the movement of the bolt is controlled by maneuvering means which comprise a spreader of which a first arm is connected to the bolt while a second arm is connected to a cam intended to be actuated by control means carried by the control cabin. 'elevator.
  • maneuvering means which comprise a spreader of which a first arm is connected to the bolt while a second arm is connected to a cam intended to be actuated by control means carried by the control cabin. 'elevator.
  • the locking device then comprises emergency unlocking means which are most often constituted by a square or a triangle secured to the rudder and placed at the pivot axis of the latter.
  • the triangle is then accessible from the outside of the door jamb, so that an operator can, by means of a so-called emergency key, rotate the rudder in rotation and thus move the bolt of the lock open.
  • the locking device is characterized in that the unlocking means are independent of the operating means and the locking member and are adapted to actuate the locking member only in the direction of unlocking.
  • the invention also relates to a door comprising a frame and a leaf.
  • this door is characterized in that it further comprises a locking device, according to the invention, adapted to the frame and means for access to the emergency unlocking means of the locking device according to the invention. invention.
  • the invention also aims to provide means for upgrading pre-existing locking devices of so as to ensure independence between the movements of the locking member and the movements of the emergency unlocking means.
  • this emergency unlocking device comprises a transmission member which is intended to be integral with the operating means of the locking device on which the emergency unlocking device is adapted.
  • the emergency unlocking device further comprises an emergency unlocking device which is independent of the transmission member and which is adapted to act on the transmission member only in the direction of unlocking.
  • the invention relates to a controlled opening locking device, generally designated by the reference 1 in Figure 1, intended to be adapted in the amount 2 of an elevator shaft landing door frame to ensure the locking a leaf 3 pivoting relative to the frame and being provided, at a rabbet 4, with a locking member 5 intended to cooperate with the locking device 1.
  • the locking device 1 constitutes a controlled opening strike and the locking member 5 forms a bolt intended to cooperate with the strike 1.
  • the striker 1 constituting the locking device comprises a housing 10 which delimits a stabilizer 11 for receiving the bolt 5.
  • the housing 10 comprises a lateral window 12 for the passage of the when locking or opening the wing 3.
  • the striker 1 comprises, as locking member, a movable flap 13 carried by a carriage 14 movable between an open position of the window 12, as illustrated in Figures 4 and 5, and a closed position of the window 12, as shown in Figures 6 and 7.
  • the striker 1 further comprises means 15 for operating the carriage.
  • the operating means 15 comprise a cam 16 intended to be actuated by control means, not shown, carried by an elevator car, also not shown, to act on a rod 17 integral with the carriage 14 .
  • the keeper 1 also comprises means 20 for returning the carriage 14 in the closed position.
  • the waste according to the illustrated example, is intended for be arranged in a vertical orientation, so that the carriage 14 is movable between a high open position and a low closed position.
  • the return means 20 then comprise a return mass 21 integral with the carriage and intended to increase the mass of the moving equipment in translation so that the carriage 14 returns to the closed position under the effect of its weight and that of the return mass 21.
  • the use of a mass, as return means, has the advantage of guaranteeing a constant restoring force independently of the position of the carriage 14.
  • the restoring mass 21 is insensitive to wear phenomena. or aging.
  • the striker 1 also comprises means 25 for blocking the movement of the carriage 14 which are intended to be unlocked by the bolt 5 , so as to allow a closure of the side window 12 by the flap 13, in the presence of the bolt 5 in the empennage 11.
  • the locking means 25 can be made in any appropriate manner.
  • the locking means 25 comprise a latch 26 which is pivotally mounted about a substantially horizontal axis 27, so as to oscillate between a locking position as more particularly illustrated in FIGS. 3 and 5 in which the latch 26 forms an obstacle to the movements of the carriage closing, and an erase position in which movement of the carriage is free, as is more particularly illustrated in Figure 7.
  • the latch 26 is intended to be pushed into the erasing position by the bolt 5.
  • the latch 26 is preferably shaped so as not to be able to block the movement of the carriage 14 in the direction of opening the window. Thus, in the event that the flap 13 and the carriage 14 are in the closed position in the absence of the bolt 5, it remains possible to open the flap 13.
  • the locking means 25 further comprises means 28 for returning the latch 26 in the locking position.
  • the return means 28 comprise a counterweight 29 which is intended to generate a return torque of the latch 26 in the locking position as illustrated in FIG.
  • the control means carried by the car, actuate the cam 16 in the direction of the arrow F1, which results in a rise of the carriage 14 and the flap 13 in the direction of the arrow F2 to a maximum open position as shown in Figure 5.
  • the window 12 is then disengaged and the flap 3 can be opened in the direction of arrow F3.
  • the opening of the wing 3 causes a movement of the bolt 5, outside the empennage 11, in the direction of the arrow F4.
  • the latch 26, which is no longer biased by the bolt 5, is then placed, under the effect of the return means 28, in the locked position on the trajectory of the carriage 14.
  • the carriage 14 Under the effect of its weight and that of the restoring mass 21, descends in the direction of the arrow F5 until it bears on the end of latch 26, as shown in Figure 3.
  • the latch 26 has at its end, a pin 30 to engage in a complementary groove 31 of the carriage 14, so that the movements latch 26 are locked. Indeed, taking into account the engagement of the pin 30 in the groove 31, it is not possible to move the latch 26 from its locking position by exerting a simple pressure on the latch in the direction of the arrow F5.
  • the flap 13 when the carriage is resting on the end of the latch 26, the flap 13 is in a partially closed position of the window 12, as shown in Figures 1 and 3. In this partial closure position, the free end of the flap 13 is in the vicinity of the center of the window 12.
  • the bolt 5 when engaged in the window 12 in the direction of the arrow F6, tends to repel the flap 13 and the carriage 14 in the direction of the arrow F7. This movement releases the pin 30 of the groove 31 so that the movement of the latch 26 is unlocked and the latch can then be pushed by the bolt 5.
  • the bolt 5 has a front portion which defines an inclined ramp 32 forming a support for the free end of the flap 13.
  • the striker 1 comprises a sensor or shunt 35 which delivers a binary information indicating the locked character or not of the striker 1.
  • the shunt 35 can be completed by a second shunt 36 which delivers information concerning the closure or not of the leaf 3, so that the overlapping of the information delivered by the closing sensor 35 of the flap 12 and the shunt 36 of the closing control of the leaf 3 make it possible to check the locking of the striker 1 in closed position of the door.
  • the striker 1 also comprises means 40 for emergency unlocking.
  • the emergency unlocking means 40 are independent of the operating means 15 and the carriage 14.
  • the emergency unlocking means 40 are designed so as not to be able to actuate the carriage assembly. 14 flap 13, forming the locking member of the latch 1, that in the direction of an opening of the flap 13 and thus an unlocking.
  • the emergency unlocking means 40 comprise a pinion 41 intended to be actuated by an emergency unlocking key 42 from the outside of the upright 2.
  • the upright 2 has an opening 43 forming means of access to the portion 44 of the pinion 41 intended to cooperate with the key 42.
  • the portion 44 has a relief, in triangle, on which the key 42 is engaged.
  • the portion 44 could have a completely different polygonal or other shape in relief or, conversely, a hollow form in which the key 42 would engage.
  • the pinion 41 meshes with a rack 44 carried by a movable spool 45 between a rest position as illustrated in FIG. 2 and an unlocking position in which the spool 45 pushes the carriage 14 against the force exerted by the members. means of recall 20.
  • the race of the organ of emergency unlocking formed by the slide 45 is then at least sufficient to move the flap 13 and the carriage 14 to an open position allowing an establishment or arming of the locking means 25 formed by the latch 26.
  • the implementation of the emergency unlocking means 40 is carried out as follows.
  • the operator releases its action and removes the key 42, the slider and the carriage 14 descend under the action of the return means 20 to the locking position of the movements of the carriage as illustrated in Figure 3.
  • the unlocking position of the slide 45 may be described as unstable with respect to the rest position of the slide 45 to the extent that the latter can not remain in the unlocked position without an action exerted by the operator by means of the 42.
  • the emergency means can not oppose, without the action of an external operator, the proper operation of the striker 1.
  • the emergency unlocking means are not actuated during an unlocking of the striker by the actuating means 15.
  • the sensor 46 associated with the slide 45 to detect an implementation of the emergency unlocking means.
  • the information delivered by the sensor 46 is then particularly reliable, insofar as the sensor 46 is solicited only by the movements of the slide 45, movements that can result from an external action by means of a spare key .
  • the independent nature of the emergency unlocking means arranged to act on the carriage 14 and the flap 13 only in the sense of a unlocking provides a locking device providing absolutely reliable information regarding the implementation of emergency unlocking means.
  • the presence of the sensors 35 and 36, on the striker according to the invention makes it possible to control the effective locking of the door in the closed position as well as to identify a mode of opening, normal or emergency, of the spoils.
  • the striker 1 is in a waiting position, illustrated in FIGS. 2 and 3, which guarantees a closure and a correct locking of the wing when the latter is recalled by means elastic or pneumatic return equipping his pivot.
  • the stroke of the carriage 14, the slope of the ramp 32 of the bolt 5 and the force exerted by the return means 25 are determined so that the force exerted by the leaf, at the bolt 5 so as to push back the flap 13 corresponds to the force available at the return mechanism of the leaf in the closed position when the latter has a virtually zero speed at the time of engagement of the bolt in the window 12.
  • the locking means comprise, according to the illustrated example, an electromagnetic mechanism comprising a lock enslaved in opening by a spring and controlled, in closing and locking the slide 44, by an electromagnet.
  • an electromagnetic mechanism comprising a lock enslaved in opening by a spring and controlled, in closing and locking the slide 44, by an electromagnet.
  • the electromagnet When the electromagnet is activated, the slider 44 can not be moved to unlock the striker.
  • the electromagnet is deactivated, the movement of the slider 44 is free.
  • the emergency unlocking means are not blocked in case of interruption of the power supply.
  • the return means of the carriage 14 in the closed position of the side window 12 are constituted by a return mass 21.
  • the return means 20 could be made in any other way.
  • FIG. 8 illustrates an embodiment variant of the keeper as described above according to which the return means 20 are constituted by a helical spring 48.
  • the means 28 for returning the latch 26 in the locked position are not necessarily constituted by a counterweight but can also be realized in the form of a spring 49 tending to push the latch 26 in the locking position.
  • the return means of the carriage 14 or the latch 26 could be made in another form and for example comprise a helical spring or associated with a return mass or a permanent magnet.
  • the striker 1 is designed so that it can be implemented for the closure of a leaf opening to the right or a left leaf opening.
  • the strike 1 has a symmetrical design.
  • the housing 10 comprises facing the window 12 a second window 50 intended to allow the passage of the bolt 5.
  • the carriage 14 is removable and has, opposite the flap 13, a second flap 51
  • the carriage 14 could also carry a second flap forming the second window 50.
  • the means of 25 are removable and the housing comprises a second pivot 53 for receiving the latch 26 in a position symmetrical to its position in Figures 1 to 9, so that the locking means 25 can perform their locking function when the carriage ensures the closing the window 50 by means of the flap 51.
  • the actuating means 15 comprise a cam which is hinged to an element integral with the casing of the striker 1.
  • the actuating means 15 could be made in a completely different form.
  • FIG. 10 illustrates an exemplary embodiment of operating means using a cam 54 which actuates a flexible control cable 55 disposed in a sheath 56.
  • the cable is connected to the carriage 14 so as to be able to exercise a force in the direction of traction on the latter to move it in the open position but can not exert a force in the opposite direction on the carriage 14.
  • the operating means 15 could also include a maneuvering electromagnet or any other electromagnetic system.
  • the locking device according to the invention is in the form of a controlled opening strike.
  • the locking device according to the invention could be made in a completely different form.
  • Figures 11 and 12 illustrate another embodiment of a locking device according to the invention constituting a lock, generally designated by the reference 59
  • the housing 10 is equipped, as a body of locking, a bolt 60 movable between an extended position or locking, as shown and a retraction or unlocking position not shown.
  • the bolt 60 is intended to engage in a complementary locking member, not shown, such as a keeper arranged in the leaf of a door.
  • the lock 59 comprises, as a means 15 for actuating the bolt 60, a spreader 61 pivoting about an axis 62.
  • the spreader has a first branch 63 connected to the bolt 60 and a second branch 64 intended to be connected to a member operating means, such as for example a cam substantially similar to that shown in Figure 1, intended to be actuated by the control means carried by an elevator car.
  • the movable bolt lock also has means 40 for emergency unlocking.
  • the emergency unlocking means 40 comprise, as an unlocking member, a cam 65 equipped with means for receiving the emergency unlocking key 42.
  • the cam 65 is intended to act on an arm 66 of the lifter to move the bolt 60 retracted position or unlocking.
  • the cam 65 is not displaced during the movements of the spreader 66 in the context of a normal unlocking of the bolt 60 by the operating means .
  • the path of the cam 65 is shaped so that, in the unlocked position, the cam is in an unstable state, so that it can not oppose a return to position of latch lock 60.
  • the controlled opening lock 60 also comprises a sensor 67 detecting the operation of the cam 65 and thus the emergency unlocking means 40.
  • the emergency unlocking means are implemented in locking devices designed for this purpose.
  • the emergency unlocking means according to the invention can also be implemented in the context of an emergency unlocking device intended to be adapted to an existing controlled opening locking device.
  • Figures 13 to 15 illustrate an emergency unlocking device 70, adapted to a lock 71 movable bolt 72 according to the prior art.
  • a lock 71 generally comprises an emergency unlocking triangle 73 secured to an actuating member of the bolt 72, so that there is a reciprocity between the movements of the latch 72 and those of the triangle 73 emergency unlocking pre-existing.
  • the emergency unlocking device comprises a transmission member 74 which fits on the triangle 73 so as to be integral with the latter and maneuvering movements. 72 of the bolt.
  • the transmission member 74 forms a lever arm.
  • the device 70 comprises, as an emergency unlocking device, a cam 75 equipped with means 76 for receiving the emergency unlocking key.
  • the cam 75 is independent of the transmission member or arm 74. The cam 75 is then intended to act on the arm 74 to cause a rotation of the triangle, so as to move the bolt 72 in the retracted or unlocked position.
  • the emergency unlocking device 70 comprises a return spring 77 of the cam 75 in the rest position.
  • the unlocking position of the cam 75 is unstable while the rest position of the cam is stable.
  • the device 70 also comprises a sensor 78. Finally, all the constituent elements of the emergency unlocking device 70 are fixed on the lock housing 71 by means of a mounting plate 79 which has an opening for the passage of the triangle 76 for operating the cam 75.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Lock And Its Accessories (AREA)
  • Elevator Door Apparatuses (AREA)
  • Special Wing (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)

Abstract

The invention concerns a device comprising a housing (10) designed to be adapted to the door frame (2), locking means comprising a locking member (13, 60) mobile between a locking position wherein it is designed to co-operate with a complementary member (5) borne by the door leaf and an unlocking position wherein the movement of the door leaf (3) is free, means (15) for maneuvering the locking means designed to be actuated by control means borne by a lift car and means (40) for emergency unlocking designed to be externally operated by an operator. The unlocking means are independent of the maneuvering means (15) and are adapted to actuate the locking member only in the unlocking direction.

Description

L'invention concerne le domaine technique des dispositifs utilisés pour le verrouillage d'une porte palière de cage d'ascenseur, à battant ou vantail.The invention relates to the technical field of devices used for locking an elevator shaft landing door, leaf or leaf.

Dans le domaine ci-dessus, il est connu de mettre en oeuvre un dispositif de verrouillage formé par une serrure à pêne mobile dont le boîtier est adapté sur un montant du dormant de la porte, de manière que le pêne puisse venir s'engager dans une gâche complémentaire aménagée sur le battant de la porte. Généralement, le mouvement du pêne est commandé par des moyens de manoeuvre qui comprennent un palonnier dont un premier bras est relié au pêne tandis qu'un deuxième bras est relié à une came destinée à être actionnée par des moyens de commande portés par la cabine d'ascenseur. Ainsi le déverrouillage de la serrure n'intervient qu'en présence d'une cabine en regard de la porte, de manière à garantir la sécurité des utilisateurs de l'ascenseur.In the above field, it is known to implement a locking device formed by a movable bolt lock, the housing is adapted to an amount of the frame of the door, so that the bolt can come engage in an additional keeper fitted on the door leaf. Generally, the movement of the bolt is controlled by maneuvering means which comprise a spreader of which a first arm is connected to the bolt while a second arm is connected to a cam intended to be actuated by control means carried by the control cabin. 'elevator. Thus the unlocking of the lock is only involved in the presence of a cabin next to the door, so as to ensure the safety of the elevator users.

Toutefois, dans certaines circonstances, il peut apparaître nécessaire, à un agent de maintenance ou à un pompier, de pouvoir effectuer une ouverture du battant indépendamment de la présence ou non d'une cabine d'ascenseur en regard de la porte.However, in certain circumstances, it may be necessary for a maintenance worker or a firefighter to be able to open the wing independently of the presence or absence of an elevator car opposite the door.

A cet effet, le dispositif de verrouillage comprend alors des moyens de déverrouillage de secours qui sont le plus souvent constitués par un carré ou un triangle solidaire du palonnier et placé au niveau de l'axe de pivotement de ce dernier. Le triangle se trouve alors accessible depuis l'extérieur du montant de la porte, de sorte qu'un opérateur peut, au moyen d'une clef dite de secours, manoeuvrer en rotation le palonnier et déplacer ainsi en ouverture le pêne de la serrure.For this purpose, the locking device then comprises emergency unlocking means which are most often constituted by a square or a triangle secured to the rudder and placed at the pivot axis of the latter. The triangle is then accessible from the outside of the door jamb, so that an operator can, by means of a so-called emergency key, rotate the rudder in rotation and thus move the bolt of the lock open.

Si de tels moyens de déverrouillage de secours donnent entière satisfaction en ce qui concerne la manoeuvre du pêne indépendamment de la présence ou non d'une cabine d'ascenseur en regard de la porte palière, il doit être remarqué que, dans la mesure où les moyens de verrouillage sont situés sur l'axe du palonnier, il n'est pas possible de différencier au moyen de capteurs une ouverture normale d'un déverrouillage de secours. En effet, quel que soit le mode de déverrouillage, le palonnier et le triangle d'ouverture de secours se déplacent.If such emergency unlocking means are entirely satisfactory as regards the operation of the bolt independently of the presence or absence of an elevator car opposite the landing door, it should be noted that, insofar as the locking means are located on the axis of the rudder, it is not possible to differentiate by means of sensors a normal opening of an emergency unlocking. Indeed, what regardless of the unlocking mode, the rudder and the emergency opening triangle move.

Or, une telle différenciation, entre ouverture normale et déverrouillage de secours, peut être nécessaire pour réguler le fonctionnement d'un automate de contrôle de l'ascenseur.Now, such a differentiation, between normal opening and emergency unlocking, may be necessary to regulate the operation of an elevator control automaton.

Il apparaît donc le besoin de disposer d'un dispositif de verrouillage qui offre la possibilité de déterminer, au moyen de capteurs, la mise en oeuvre soit des moyens de manoeuvre normaux, soit des moyens de déverrouillage de secours sans qu'il puisse y avoir de confusion entre le mode de déverrouillage normal et le mode d'ouverture de secours.It therefore appears to be necessary to have a locking device that offers the possibility of determining, by means of sensors, the use of either normal operating means or emergency unlocking means without there being confusion between the normal unlock mode and the emergency open mode.

Afin d'atteindre cet objectif, l'invention concerne un dispositif de verrouillage d'un battant de porte palière de gaine d'ascenseur du type comprenant :

  • un boîtier destiné à être adapté sur le donnant de la porte,
  • des moyens de verrouillage comprenant un organe de verrouillage mobile entre une position de verrouillage dans laquelle il est destiné à coopérer avec un organe de verrouillage complémentaire porté par le battant et une position de déverrouillage dans laquelle le mouvement du battant est libre,
  • des moyens de manoeuvre des moyens de verrouillage destinés à être actionnés par des moyens de commande portés par une cabine d'ascenseur,
  • et des moyens de déverrouillage de secours destinés à être manoeuvrés depuis l'extérieur du dormant par un opérateur.
In order to achieve this objective, the invention relates to a device for locking an elevator shaft landing door leaf of the type comprising:
  • a housing adapted to be adapted to the door,
  • locking means comprising a movable locking member between a locking position in which it is intended to cooperate with a complementary locking member carried by the leaf and an unlocking position in which the movement of the leaf is free,
  • means for operating the locking means intended to be actuated by control means carried by an elevator car,
  • and emergency unlocking means intended to be operated from outside the frame by an operator.

Selon l'invention, le dispositif de verrouillage est caractérisé en ce que les moyens de déverrouillage sont indépendants des moyens de manoeuvre et de l'organe de verrouillage et sont adaptés pour actionner l'organe de verrouillage uniquement dans le sens d'un déverrouillage.According to the invention, the locking device is characterized in that the unlocking means are independent of the operating means and the locking member and are adapted to actuate the locking member only in the direction of unlocking.

L'invention concerne également une porte comprenant un dormant et un battant. Selon l'invention, cette porte est caractérisée en ce qu'elle comprend en outre un dispositif de verrouillage, selon l'invention, adapté sur le dormant et des moyens d'accès aux moyens de déverrouillage de secours du dispositif de verrouillage selon l'invention.The invention also relates to a door comprising a frame and a leaf. According to the invention, this door is characterized in that it further comprises a locking device, according to the invention, adapted to the frame and means for access to the emergency unlocking means of the locking device according to the invention. invention.

L'invention vise également à offrir des moyens permettant d'effectuer une mise à niveau de dispositifs de verrouillage préexistants de manière à assurer une indépendance entre les mouvements de l'organe de verrouillage et les mouvements des moyens de déverrouillage de secours.The invention also aims to provide means for upgrading pre-existing locking devices of so as to ensure independence between the movements of the locking member and the movements of the emergency unlocking means.

Ainsi, l'invention vise un dispositif de déverrouillage de secours destiné à être adapté sur un dispositif de verrouillage d'un battant de porte palière de gaine d'ascenseur du type comprenant :

  • un boîtier destiné à être adapté sur le dormant de la porte,
  • des moyens de verrouillage comprenant un organe de verrouillage mobile entre une position de verrouillage dans laquelle il est destiné à coopérer avec un organe complémentaire porté par le battant et une position de déverrouillage dans laquelle le mouvement du battant est libre.
  • des moyens de manoeuvre des moyens de verrouillage destinés à être actionnés par des moyens de commande portés par une cabine d'ascenseur,
  • et des moyens de déverrouillage de secours destinés à être manoeuvrés depuis l'extérieur du dormant par un opérateur.
Thus, the invention is directed to an emergency unlocking device intended to be adapted to a locking device an elevator shaft landing door leaf of the type comprising:
  • a housing intended to be adapted to the frame of the door,
  • locking means comprising a movable locking member between a locking position in which it is intended to cooperate with a complementary member carried by the leaf and an unlocking position in which the movement of the leaf is free.
  • means for operating the locking means intended to be actuated by control means carried by an elevator car,
  • and emergency unlocking means intended to be operated from outside the frame by an operator.

Selon l'invention, ce dispositif de déverrouillage de secours comprend un organe de transmission qui est destiné à être solidaire des moyens de manoeuvre du dispositif de verrouillage sur lequel le dispositif de déverrouillage de secours est adapté. Le dispositif de déverrouillage de secours comprend en outre un organe de déverrouillage de secours qui est indépendant de l'organe de transmission et qui est adapté pour agir sur l'organe de transmission uniquement dans le sens d'un déverrouillage.According to the invention, this emergency unlocking device comprises a transmission member which is intended to be integral with the operating means of the locking device on which the emergency unlocking device is adapted. The emergency unlocking device further comprises an emergency unlocking device which is independent of the transmission member and which is adapted to act on the transmission member only in the direction of unlocking.

Diverses autres caractéristiques ressortent de la description ci-dessous effectuée en référence aux dessins annexés qui montrent différentes formes de réalisation non limitatives de dispositifs de verrouillage selon l'invention.

  • La figure 1 est une perspective partielle du battant et du dormant d'une porte palière de gaine d'ascenseur mettant en oeuvre un dispositif de verrouillage selon l'invention formant une gâche à ouverture commandée.
  • La figure 2 est une élévation selon le plan II-II de la figure 1 de la gâche à ouverture commandée, constitutive du dispositif conforme à l'invention.
  • La figure 3 est une élévation selon le plan III-III du dispositif conforme à l'invention dans une phase intermédiaire de son fonctionnement.
  • Les figures 4 et 5 sont des figures analogues respectivement aux figures 2 et 3 montrant le dispositif selon l'invention en position de déverrouillage.
  • Les figures 6 et 7 sont des figures analogues respectivement aux figures 2 et 3 montrant le dispositif selon l'invention en position de verrouillage.
  • Les figures 8 et 9 sont des perspectives avant et arrière d'une variante de réalisation du dispositif de verrouillage conforme à l'invention tel qu'illustré à la figure 1.
  • La figure 10 est une perspective montrant une variante de réalisation non limitative des moyens de manoeuvre du dispositif de verrouillage tel qu'illustré aux figures 1 à 9.
  • Les figures 11 et 12 sont des perspectives avant et arrière d'un dispositif de verrouillage selon l'invention réalisé sous la forme d'une serrure à pêne mobile.
  • La figure 13 est une perspective d'un dispositif de déverrouillage de secours conforme à l'invention adapté sur une serrure selon l'art antérieur.
  • La figure 14 est une perspective éclatée du dispositif selon la figure 13.
  • La figure 15 est une élévation du dispositif selon la figure 13.
Various other characteristics appear from the description below made with reference to the accompanying drawings which show various non-limiting embodiments of locking devices according to the invention.
  • Figure 1 is a partial perspective of the leaf and the frame of a landing door elevator shaft implementing a locking device according to the invention forming a controlled opening strike.
  • Figure 2 is an elevation along the plane II-II of Figure 1 of the controlled opening strike constituting the device according to the invention.
  • Figure 3 is an elevation along the plane III-III of the device according to the invention in an intermediate phase of its operation.
  • Figures 4 and 5 are figures similar respectively to Figures 2 and 3 showing the device according to the invention in the unlocked position.
  • Figures 6 and 7 are figures similar respectively to Figures 2 and 3 showing the device according to the invention in the locking position.
  • Figures 8 and 9 are front and rear perspectives of an alternative embodiment of the locking device according to the invention as shown in Figure 1.
  • FIG. 10 is a perspective showing a nonlimiting variant of the means for actuating the locking device as illustrated in FIGS. 1 to 9.
  • Figures 11 and 12 are front and rear perspectives of a locking device according to the invention in the form of a lock with movable bolt.
  • Figure 13 is a perspective of an emergency unlocking device according to the invention adapted to a lock according to the prior art.
  • FIG. 14 is an exploded perspective view of the device according to FIG. 13.
  • FIG. 15 is an elevation of the device according to FIG. 13.

L'invention concerne un dispositif de verrouillage à ouverture commandée, désigné dans son ensemble par la référence 1 à la figure 1, destiné à être adapté dans le montant 2 d'un dormant de porte palière de cage d'ascenseur afin d'assurer le verrouillage d'un battant 3 pivotant par rapport au dormant et étant pourvu, au niveau d'une feuillure 4, d'un organe de verrouillage 5 destiné à coopérer avec le dispositif de verrouillage 1.The invention relates to a controlled opening locking device, generally designated by the reference 1 in Figure 1, intended to be adapted in the amount 2 of an elevator shaft landing door frame to ensure the locking a leaf 3 pivoting relative to the frame and being provided, at a rabbet 4, with a locking member 5 intended to cooperate with the locking device 1.

Selon une première forme de réalisation illustrée aux figures 1 à 9, le dispositif de verrouillage 1 constitue une gâche à ouverture commandée et l'organe de verrouillage 5 forme un pêne destiné à coopérer avec la gâche 1.According to a first embodiment illustrated in FIGS. 1 to 9, the locking device 1 constitutes a controlled opening strike and the locking member 5 forms a bolt intended to cooperate with the strike 1.

Comme le montrent les figures 1 à 3, la gâche 1, constitutive du dispositif de verrouillage selon l'invention, comprend un boîtier 10 qui délimite un empennage 11 de réception du pêne 5. Le boîtier 10 comprend une fenêtre latérale 12 pour le passage du pêne 5 lors de la fermeture ou de l'ouverture du battant 3. Afin de pouvoir maintenir le pêne 5, emprisonné dans l'empennage 11, la gâche 1 comprend, en tant qu'organe de verrouillage, un volet mobile 13 porté par un chariot 14 mobile entre une position d'ouverture de la fenêtre 12, telle qu'illustrée aux figures 4 et 5, et une position de fermeture de la fenêtre 12, telle qu'illustrée aux figures 6 et 7. Afin d'assurer le déplacement du chariot 14 au moins dans le sens d'une ouverture de la fenêtre 12, depuis la position de fermeture à la position d'ouverture complète, la gâche 1 comprend en outre des moyens de manoeuvre 15 du chariot.As shown in FIGS. 1 to 3, the striker 1 constituting the locking device according to the invention comprises a housing 10 which delimits a stabilizer 11 for receiving the bolt 5. The housing 10 comprises a lateral window 12 for the passage of the when locking or opening the wing 3. In order to hold the bolt 5, trapped in the empennage 11, the striker 1 comprises, as locking member, a movable flap 13 carried by a carriage 14 movable between an open position of the window 12, as illustrated in Figures 4 and 5, and a closed position of the window 12, as shown in Figures 6 and 7. To ensure the displacement of the carriage 14 at least in the direction of an opening of the window 12, from the closed position to the fully open position, the striker 1 further comprises means 15 for operating the carriage.

Selon l'exemple illustré, les moyens de manoeuvre 15 comprennent une came 16 destinée à être actionnée par des moyens de commande, non représentés, portés par une cabine d'ascenseur, également non représentée, pour agir sur une tringle 17 solidaire du chariot 14.According to the illustrated example, the operating means 15 comprise a cam 16 intended to be actuated by control means, not shown, carried by an elevator car, also not shown, to act on a rod 17 integral with the carriage 14 .

Afin d'assurer une fermeture automatique de la fenêtre 12 par le volet 13, la gâche 1 comprend également des moyens 20 de rappel du chariot 14 en position de fermeture. La gâche, selon l'exemple illustré, est destinée à être disposée selon une orientation verticale, de manière que le chariot 14 soit mobile entre une position d'ouverture haute et une position de fermeture basse. Les moyens de rappel 20 comprennent alors une masse de rappel 21 solidaire du chariot et destiné à augmenter la masse de l'équipage mobile en translation afin que le chariot 14 revienne en position de fermeture sous l'effet de son poids et de celui de la masse de rappel 21.To ensure an automatic closing of the window 12 by the flap 13, the keeper 1 also comprises means 20 for returning the carriage 14 in the closed position. The waste, according to the illustrated example, is intended for be arranged in a vertical orientation, so that the carriage 14 is movable between a high open position and a low closed position. The return means 20 then comprise a return mass 21 integral with the carriage and intended to increase the mass of the moving equipment in translation so that the carriage 14 returns to the closed position under the effect of its weight and that of the return mass 21.

La mise en oeuvre d'une masse, en tant que moyens de rappel, présente l'avantage de garantir une force de rappel constante indépendamment de la position du chariot 14. De plus, la masse de rappel 21 est insensible aux phénomènes d'usure ou de vieillissement.The use of a mass, as return means, has the advantage of guaranteeing a constant restoring force independently of the position of the carriage 14. In addition, the restoring mass 21 is insensitive to wear phenomena. or aging.

Compte tenu de la mise en oeuvre de moyens de rappel du chariot en position de fermeture, la gâche 1, conforme à l'invention, comprend également des moyens 25 de blocage du mouvement du chariot 14 qui sont destinés à être débloqués par le pêne 5, de manière à ne permettre une fermeture de la fenêtre latérale 12 par le volet 13, qu'en présence du pêne 5 dans l'empennage 11. Les moyens de blocage 25 peuvent être réalisés de toute manière appropriée.Given the implementation of return means of the carriage in the closed position, the striker 1, according to the invention, also comprises means 25 for blocking the movement of the carriage 14 which are intended to be unlocked by the bolt 5 , so as to allow a closure of the side window 12 by the flap 13, in the presence of the bolt 5 in the empennage 11. The locking means 25 can be made in any appropriate manner.

Selon l'exemple illustré, les moyens de blocage 25 comprennent un loquet 26 qui est monté pivotant autour d'un axe sensiblement horizontal 27, de manière à osciller entre une position de blocage telle que plus particulièrement illustrée aux figures 3 et 5 dans laquelle le loquet 26 forme un obstacle aux mouvements du chariot en fermeture, et une position d'effacement dans laquelle mouvement du chariot est libre, comme cela est plus particulièrement illustré à la figure 7.According to the illustrated example, the locking means 25 comprise a latch 26 which is pivotally mounted about a substantially horizontal axis 27, so as to oscillate between a locking position as more particularly illustrated in FIGS. 3 and 5 in which the latch 26 forms an obstacle to the movements of the carriage closing, and an erase position in which movement of the carriage is free, as is more particularly illustrated in Figure 7.

Comme cela sera expliqué ci-après, le loquet 26 est destiné à être repoussé en position d'effacement par le pêne 5. De plus, le loquet 26 est, de manière préférée, conformé afin de ne pas pouvoir bloquer le mouvement du chariot 14 dans le sens d'une ouverture de la fenêtre. Ainsi, dans l'éventualité où le volet 13 et le chariot 14 se retrouveraient en position de fermeture en l'absence du pêne 5, il reste possible d'ouvrir le volet 13.As will be explained below, the latch 26 is intended to be pushed into the erasing position by the bolt 5. In addition, the latch 26 is preferably shaped so as not to be able to block the movement of the carriage 14 in the direction of opening the window. Thus, in the event that the flap 13 and the carriage 14 are in the closed position in the absence of the bolt 5, it remains possible to open the flap 13.

Afin de s'assurer d'un placement du loquet 26 en position de blocage en l'absence du pêne 5 dans l'empennage 11, les moyens de blocage 25 comprennent en outre des moyens 28 de rappel du loquet 26 en position de blocage. Selon l'exemple illustré, les moyens de rappel 28 comprennent une masselotte 29 qui est destinée à engendrer un couple de rappel du loquet 26 en position de blocage telle qu'illustrée à la figure 5.To ensure placement of the latch 26 in the locking position in the absence of the bolt 5 in the empennage 11, the locking means 25 further comprises means 28 for returning the latch 26 in the locking position. According to the illustrated example, the return means 28 comprise a counterweight 29 which is intended to generate a return torque of the latch 26 in the locking position as illustrated in FIG.

Le fonctionnement de la gâche 1, telle que décrite ci-dessus et à partir de la position de fermeture telle qu'illustrée aux figures 6 et 7, est le suivant.The operation of the striker 1, as described above and from the closed position as illustrated in Figures 6 and 7, is as follows.

Lors de l'arrivée d'une cabine d'ascenseur, en regard de la porte mettant en oeuvre la gâche 1, les moyens de commande, portés par la cabine, actionnent la came 16 dans le sens de la flèche F1, ce qui entraîne une montée du chariot 14 et du volet 13 dans le sens de la flèche F2 jusqu'à une position d'ouverture maximale telle qu'illustrée à la figure 5. La fenêtre 12 se trouve alors dégagée et le battant 3 peut être ouvert dans le sens de la flèche F3. L'ouverture du battant 3 entraîne un mouvement du pêne 5, hors de l'empennage 11, dans le sens de la flèche F4. Le loquet 26, qui n'est plus sollicité par le pêne 5, se place alors, sous l'effet des moyens de rappel 28, en position de blocage sur la trajectoire du chariot 14.At the arrival of an elevator car, opposite the door implementing the keeper 1, the control means, carried by the car, actuate the cam 16 in the direction of the arrow F1, which results in a rise of the carriage 14 and the flap 13 in the direction of the arrow F2 to a maximum open position as shown in Figure 5. The window 12 is then disengaged and the flap 3 can be opened in the direction of arrow F3. The opening of the wing 3 causes a movement of the bolt 5, outside the empennage 11, in the direction of the arrow F4. The latch 26, which is no longer biased by the bolt 5, is then placed, under the effect of the return means 28, in the locked position on the trajectory of the carriage 14.

Lorsque les moyens de manoeuvre 15 ne sont plus sollicités, le chariot 14, sous l'effet de son poids et de celui de la masse de rappel 21, descend dans le sens de la flèche F5 jusqu'à venir en appui sur l'extrémité du loquet 26, comme cela est illustré à la figure 3. Il doit être remarqué que le loquet 26 présente, à son extrémité, un téton 30 destiné à venir s'engager dans une rainure complémentaire 31 du chariot 14, de sorte que les mouvements du loquet 26 se trouvent verrouillés. En effet, compte tenu de l'engagement du téton 30 dans la rainure 31, il n'est pas possible d'écarter le loquet 26 de sa position de blocage en exerçant une simple pression sur le loquet dans le sens de la flèche F5.When the operating means 15 are no longer stressed, the carriage 14, under the effect of its weight and that of the restoring mass 21, descends in the direction of the arrow F5 until it bears on the end of latch 26, as shown in Figure 3. It should be noted that the latch 26 has at its end, a pin 30 to engage in a complementary groove 31 of the carriage 14, so that the movements latch 26 are locked. Indeed, taking into account the engagement of the pin 30 in the groove 31, it is not possible to move the latch 26 from its locking position by exerting a simple pressure on the latch in the direction of the arrow F5.

Par ailleurs, il doit être remarqué que, lorsque le chariot se trouve en appui sur l'extrémité du loquet 26, le volet 13 est en dans une position de fermeture partielle de la fenêtre 12, comme cela est illustré aux figures 1 et 3. Dans cette position de fermeture partielle, l'extrémité libre du volet 13 se trouve au voisinage du centre de la fenêtre 12. Ainsi, le pêne 5, lors de son engagement dans la fenêtre 12 dans le sens de la flèche F6, tend à repousser le volet 13 et le chariot 14 dans le sens de la flèche F7. Ce mouvement dégage le téton 30 de la rainure 31 de sorte que le mouvement du loquet 26 se trouve déverrouillé et le loquet peut alors être repoussé par le pêne 5. Afin de favoriser la remontée du volet 13, le pêne 5 présente une partie frontale qui définit une rampe inclinée 32 formant appui pour l'extrémité libre du volet 13. Lorsque le pêne 5 est complètement engagé dans l'empennage 5, le loquet 26 se trouve en position d'effacement, le mouvement du volet 3 et du chariot 14 n'est donc entravé ni par le pêne, ni par le loquet 26. Le volet 13 descend alors, sous l'effet du poids de l'équipage mobile formé par le chariot 14 et la masse 21 jusqu'en position de fermeture complète telle qu'illustrée aux figures 6 et 7. Dans cette position, le pêne 5 se trouve complètement emprisonné dans l'empennage 11, de sorte qu'il n'est plus possible d'ouvrir le battant 3.Furthermore, it should be noted that, when the carriage is resting on the end of the latch 26, the flap 13 is in a partially closed position of the window 12, as shown in Figures 1 and 3. In this partial closure position, the free end of the flap 13 is in the vicinity of the center of the window 12. Thus, the bolt 5, when engaged in the window 12 in the direction of the arrow F6, tends to repel the flap 13 and the carriage 14 in the direction of the arrow F7. This movement releases the pin 30 of the groove 31 so that the movement of the latch 26 is unlocked and the latch can then be pushed by the bolt 5. In order to promote the raising of the flap 13, the bolt 5 has a front portion which defines an inclined ramp 32 forming a support for the free end of the flap 13. When the bolt 5 is fully engaged in the empennage 5, the latch 26 is in the erasing position, the movement of the flap 3 and the carriage 14 is therefore impeded by the bolt or by the latch 26. The flap 13 then drops, under the effect of the weight of the movable assembly formed by the carriage 14 and the mass 21 to the complete closed position such 6 and 7. In this position, the bolt 5 is completely trapped in the empennage 11, so that it is no longer possible to open the leaf 3.

Afin de permettre un contrôle de la position du chariot 14, la gâche 1 comprend un capteur ou shunt 35 qui délivre une information binaire indiquant le caractère verrouillé ou non de la gâche 1. Le shunt 35 peut être complété par un deuxième shunt 36 qui délivre une information concernant la fermeture ou non du battant 3, de sorte que le recoupement des informations délivrées par le capteur 35 de fermeture du volet 12 et le shunt 36 de contrôle de la fermeture du battant 3 permettent de vérifier le verrouillage de la gâche 1 en position fermée de la porte.In order to allow a control of the position of the carriage 14, the striker 1 comprises a sensor or shunt 35 which delivers a binary information indicating the locked character or not of the striker 1. The shunt 35 can be completed by a second shunt 36 which delivers information concerning the closure or not of the leaf 3, so that the overlapping of the information delivered by the closing sensor 35 of the flap 12 and the shunt 36 of the closing control of the leaf 3 make it possible to check the locking of the striker 1 in closed position of the door.

Afin de pouvoir permettre une ouverture du battant 3 indépendamment de la présence d'une cabine d'ascenseur en regard de la porte, la gâche 1 comprend également des moyens 40 de déverrouillage de secours.In order to be able to open the leaf 3 independently of the presence of an elevator car opposite the door, the striker 1 also comprises means 40 for emergency unlocking.

Conformément à une caractéristique essentielle de l'invention, les moyens de déverrouillage de secours 40 sont indépendants des moyens de manoeuvre 15 et du chariot 14. De plus, les moyens de déverrouillage de secours 40 sont conçus afin de ne pouvoir actionner l'ensemble chariot 14 volet 13, formant l'organe de verrouillage de la gâche 1, que dans le sens d'une ouverture du volet 13 et donc d'un déverrouillage.According to an essential characteristic of the invention, the emergency unlocking means 40 are independent of the operating means 15 and the carriage 14. In addition, the emergency unlocking means 40 are designed so as not to be able to actuate the carriage assembly. 14 flap 13, forming the locking member of the latch 1, that in the direction of an opening of the flap 13 and thus an unlocking.

Selon l'exemple illustré, les moyens de déverrouillage de secours 40 comprennent un pignon 41 destiné à être actionné par une clef de déverrouillage de secours 42 à partir de l'extérieur du montant 2. A cette fin, le montant 2 présente une ouverture 43 formant des moyens d'accès à la partie 44 du pignon 41 destinée à coopérer avec la clef 42.According to the illustrated example, the emergency unlocking means 40 comprise a pinion 41 intended to be actuated by an emergency unlocking key 42 from the outside of the upright 2. For this purpose, the upright 2 has an opening 43 forming means of access to the portion 44 of the pinion 41 intended to cooperate with the key 42.

Selon l'exemple illustré, la partie 44 présente un relief, en triangle, sur lequel la clef 42 vient s'engager. Bien entendu, la partie 44 pourrait posséder une toute autre forme polygonale ou autre en relief ou, au contraire, une forme en creux dans laquelle la clef 42 viendrait s'engager.According to the illustrated example, the portion 44 has a relief, in triangle, on which the key 42 is engaged. Of course, the portion 44 could have a completely different polygonal or other shape in relief or, conversely, a hollow form in which the key 42 would engage.

Le pignon 41 engrène une crémaillère 44 portée par un tiroir 45 mobile entre une position de repos telle qu'illustrée à la figure 2 et une position de déverrouillage dans laquelle le tiroir 45 repousse le chariot 14 à l'encontre de la force exercée par les moyens de rappel 20. La course de l'organe de déverrouillage de secours formé par le tiroir 45 est alors au moins suffisante pour déplacer le volet 13 et le chariot 14 jusqu'à une position d'ouverture permettant une mise en place ou un armement des moyens de blocage 25 formés par le loquet 26.The pinion 41 meshes with a rack 44 carried by a movable spool 45 between a rest position as illustrated in FIG. 2 and an unlocking position in which the spool 45 pushes the carriage 14 against the force exerted by the members. means of recall 20. The race of the organ of emergency unlocking formed by the slide 45 is then at least sufficient to move the flap 13 and the carriage 14 to an open position allowing an establishment or arming of the locking means 25 formed by the latch 26.

La mise en oeuvre des moyens de déverrouillage de secours 40 s'effectue de la manière suivante.The implementation of the emergency unlocking means 40 is carried out as follows.

Lorsqu'un opérateur souhaite déverrouiller la gâche 1, indépendamment de la présence ou non d'une cabine d'ascenseur en regard de la porte, il introduit la clef de secours 42 dans l'ouverture 43 du montant de manière à engager la clef 42 sur le triangle 44 du pignon 41. Ensuite, l'opérateur manoeuvre la clef en rotation dans le sens de la flèche F8, ce qui entraîne un déplacement du tiroir 45 dans le sens de la flèche F9. Le tiroir 45 vient alors pousser une tige solidaire du chariot 14 qui se déplace alors dans le sens de la flèche F10. L'opérateur doit poursuivre la rotation de la flèche F8 jusqu'à amener le volet 13 en position d'ouverture totale telle qu'illustrée à la figure 5, de manière à permettre une sortie du pêne 5 hors de l'empennage 11. Lorsque l'opérateur relâche son action et retire la clef 42, le coulisseau et le chariot 14 redescendent sous l'action des moyens de rappel 20 jusqu'en position de blocage des mouvements du chariot tels qu'illustrés à la figure 3. Il doit être remarqué que la position de déverrouillage du tiroir 45 peut être qualifiée d'instable par rapport à la position de repos du tiroir 45 dans la mesure où ce dernier ne peut rester en position de déverrouillage sans une action exercée par l'opérateur au moyen de la clef de déverrouillage 42. Ainsi, les moyens de secours ne peuvent s'opposer, sans action d'un opérateur extérieur, au fonctionnement convenable de la gâche 1.When an operator wishes to unlock the striker 1, regardless of the presence or absence of an elevator car next to the door, he introduces the emergency key 42 in the opening 43 of the amount so as to engage the key 42 on the triangle 44 of the pinion 41. Then, the operator operates the key in rotation in the direction of the arrow F8, which causes a displacement of the slide 45 in the direction of the arrow F9. The spool 45 then pushes a rod integral with the carriage 14 which then moves in the direction of the arrow F10. The operator must continue the rotation of the arrow F8 until the flap 13 is in the fully open position as shown in FIG. 5, so as to allow the bolt 5 to exit the empennage 11. the operator releases its action and removes the key 42, the slider and the carriage 14 descend under the action of the return means 20 to the locking position of the movements of the carriage as illustrated in Figure 3. It must be noted that the unlocking position of the slide 45 may be described as unstable with respect to the rest position of the slide 45 to the extent that the latter can not remain in the unlocked position without an action exerted by the operator by means of the 42. Thus, the emergency means can not oppose, without the action of an external operator, the proper operation of the striker 1.

Par ailleurs, dans la mesure où le tiroir 45 n'est pas relié au chariot 14, les moyens de déverrouillage de secours ne sont pas actionnés lors d'un déverrouillage de la gâche par les moyens de manoeuvre 15. Ainsi, il est possible, en mettant en oeuvre un capteur 46 associé au tiroir 45 de détecter une mise en oeuvre des moyens de déverrouillage de secours. L'information délivrée par le capteur 46 est alors particulièrement fiable, dans la mesure où le capteur 46 n'est sollicité que par les mouvements du tiroir 45, mouvements ne pouvant résulter que d'une action extérieure au moyen d'une clef de secours.Moreover, insofar as the spool 45 is not connected to the carriage 14, the emergency unlocking means are not actuated during an unlocking of the striker by the actuating means 15. Thus, it is possible, by using a sensor 46 associated with the slide 45 to detect an implementation of the emergency unlocking means. The information delivered by the sensor 46 is then particularly reliable, insofar as the sensor 46 is solicited only by the movements of the slide 45, movements that can result from an external action by means of a spare key .

Ainsi, le caractère indépendant des moyens de déverrouillage de secours agencés pour agir sur le chariot 14 et le volet 13 que dans le sens d'un déverrouillage, permet d'obtenir un dispositif de verrouillage fournissant une information absolument fiable en ce qui concerne la mise en oeuvre des moyens de déverrouillage de secours. De plus, la présence des capteurs 35 et 36, sur la gâche conforme à l'invention, permet de contrôler le verrouillage effectif de la porte en position fermée ainsi que d'identifier un mode d'ouverture, normal ou de secours, de la gâche.Thus, the independent nature of the emergency unlocking means arranged to act on the carriage 14 and the flap 13 only in the sense of a unlocking, provides a locking device providing absolutely reliable information regarding the implementation of emergency unlocking means. In addition, the presence of the sensors 35 and 36, on the striker according to the invention, makes it possible to control the effective locking of the door in the closed position as well as to identify a mode of opening, normal or emergency, of the spoils.

Ainsi, après mise en oeuvre des moyens de déverrouillage de secours, la gâche 1 se trouve dans une position d'attente, illustrée aux figures 2 et 3, qui garantit une fermeture et un verrouillage correct du battant lorsque ce dernier est rappelé par des moyens de rappel élastique ou pneumatique équipant son pivot.Thus, after use of the emergency unlocking means, the striker 1 is in a waiting position, illustrated in FIGS. 2 and 3, which guarantees a closure and a correct locking of the wing when the latter is recalled by means elastic or pneumatic return equipping his pivot.

En effet, la course du chariot 14, la pente de la rampe 32 du pêne 5 et la force exercée par les moyens de rappel 25 sont déterminés pour que l'effort à exercer par le battant, au niveau du pêne 5 de manière à repousser le volet 13 correspond à la force disponible au niveau du mécanisme de rappel du battant en position de fermeture lorsque ce dernier a une vitesse quasiment nulle au moment de l'engagement du pêne dans la fenêtre 12.Indeed, the stroke of the carriage 14, the slope of the ramp 32 of the bolt 5 and the force exerted by the return means 25 are determined so that the force exerted by the leaf, at the bolt 5 so as to push back the flap 13 corresponds to the force available at the return mechanism of the leaf in the closed position when the latter has a virtually zero speed at the time of engagement of the bolt in the window 12.

Par ailleurs, le caractère indépendant des moyens de déverrouillage de secours, par rapport aux moyens de manoeuvre normale, autorise la mise en oeuvre de moyens 47 de condamnation du déverrouillage de secours. Les moyens de condamnation comprennent, selon l'exemple illustré, un mécanisme électromagnétique comprenant un verrou asservi en ouverture par un ressort et commandé, en fermeture et blocage du coulisseau 44, par un électroaimant. Lorsque l'électroaimant est activé, le coulisseau 44 ne peut être déplacé pour déverrouiller la gâche. En revanche, lorsque l'électroaimant est désactivé, le mouvement du coulisseau 44 est libre.Furthermore, the independent nature of the emergency unlocking means, relative to normal operating means, allows the implementation of means 47 for locking the emergency unlocking. The locking means comprise, according to the illustrated example, an electromagnetic mechanism comprising a lock enslaved in opening by a spring and controlled, in closing and locking the slide 44, by an electromagnet. When the electromagnet is activated, the slider 44 can not be moved to unlock the striker. On the other hand, when the electromagnet is deactivated, the movement of the slider 44 is free.

Ainsi, il est nécessaire de désactiver les moyens de condamnation pour effectuer un déverrouillage de secours, ce qui fait obstacle à une mise en oeuvre mal intentionnée du déverrouillage de secours.Thus, it is necessary to disable the locking means to effect an emergency unlocking, which prevents an ill-intentioned implementation of the emergency unlocking.

De plus, dans la mesure où les moyens de condamnation sont asservis en ouverture, les moyens de déverrouillage de secours ne sont pas bloqués en cas d'interruption de l'alimentation électrique.In addition, insofar as the locking means are slaved opening, the emergency unlocking means are not blocked in case of interruption of the power supply.

Selon l'exemple illustré, les moyens de rappel du chariot 14 en position de fermeture de la fenêtre latérale 12, sont constitués par une masse de rappel 21. Toutefois, les moyens de rappel 20 pourraient être réalisés de toute autre manière. Ainsi, la figure 8 illustre une variante de réalisation de la gâche telle que décrite ci-dessus selon laquelle les moyens de rappel 20 sont constitués par un ressort hélicoïdal 48. De même, les moyens 28 de rappel du loquet 26 en position de blocage ne sont pas nécessairement constitués par une masselotte mais peuvent également être réalisés sous la forme d'un ressort 49 tendant à repousser le loquet 26 en position de blocage.According to the illustrated example, the return means of the carriage 14 in the closed position of the side window 12 are constituted by a return mass 21. However, the return means 20 could be made in any other way. Thus, FIG. 8 illustrates an embodiment variant of the keeper as described above according to which the return means 20 are constituted by a helical spring 48. Similarly, the means 28 for returning the latch 26 in the locked position are not necessarily constituted by a counterweight but can also be realized in the form of a spring 49 tending to push the latch 26 in the locking position.

Bien entendu, les moyens de rappel du chariot 14 ou du loquet 26 pourraient être réalisés sous une autre forme et par exemple comprendre un ressort hélicoïdal ou associé à une masse de rappel ou encore un aimant permanent.Of course, the return means of the carriage 14 or the latch 26 could be made in another form and for example comprise a helical spring or associated with a return mass or a permanent magnet.

Selon une forme préférée de réalisation de la gâche 1 conforme à l'invention, cette dernière est conçue de manière à pouvoir être mise en oeuvre pour la fermeture d'un battant ouvrant à droite ou d'un battant ouvrant à gauche. A cette fin, la gâche 1 présente une conception symétrique. Ainsi, le boîtier 10 comprend en regard de la fenêtre 12 une deuxième fenêtre 50 destinée à permettre le passage du pêne 5. Dans le même sens, le chariot 14 est démontable et présente, à l'opposé du volet 13, un deuxième volet 51. Ainsi, il est possible de retourner le chariot 14, de manière que le volet 51 vienne assurer la fermeture de la fenêtre 50. Le chariot 14 pourrait également porter un deuxième volet formant la deuxième fenêtre 50. Dans le même sens, les moyens de blocage 25 sont démontables et le boîtier comprend un deuxième pivot 53 destiné à recevoir le loquet 26 dans une position symétrique à sa position aux figures 1 à 9, de sorte que les moyens de blocage 25 peuvent assurer leur fonction de blocage lorsque le chariot assure la fermeture de la fenêtre 50 au moyen du volet 51.According to a preferred embodiment of the striker 1 according to the invention, the latter is designed so that it can be implemented for the closure of a leaf opening to the right or a left leaf opening. For this purpose, the strike 1 has a symmetrical design. Thus, the housing 10 comprises facing the window 12 a second window 50 intended to allow the passage of the bolt 5. In the same direction, the carriage 14 is removable and has, opposite the flap 13, a second flap 51 Thus, it is possible to return the carriage 14, so that the flap 51 comes to ensure the closing of the window 50. The carriage 14 could also carry a second flap forming the second window 50. In the same direction, the means of 25 are removable and the housing comprises a second pivot 53 for receiving the latch 26 in a position symmetrical to its position in Figures 1 to 9, so that the locking means 25 can perform their locking function when the carriage ensures the closing the window 50 by means of the flap 51.

Selon l'exemple illustré, les moyens de manoeuvre 15 comprennent une came qui est articulée sur un élément solidaire du boîtier de la gâche 1. Toutefois, conformément à l'invention, les moyens de manoeuvre 15 pourraient être réalisés sous une toute autre forme.According to the illustrated example, the actuating means 15 comprise a cam which is hinged to an element integral with the casing of the striker 1. However, in accordance with the invention, the actuating means 15 could be made in a completely different form.

Ainsi, la figure 10 illustre un exemple de réalisation de moyens de manoeuvre mettant en oeuvre une came 54 qui actionne un câble de commande souple 55 disposé dans une gaine 56. Selon cet exemple, le câble est lié au chariot 14 de manière à pouvoir exercer un effort dans le sens d'une traction sur ce dernier pour le déplacer en position d'ouverture mais ne peut pas exercer un effort en sens inverse sur le chariot 14. Les moyens de manoeuvre 15 pourraient également comprendre un électroaimant de manoeuvre ou tout autre système électromagnétique.Thus, FIG. 10 illustrates an exemplary embodiment of operating means using a cam 54 which actuates a flexible control cable 55 disposed in a sheath 56. In this example, the cable is connected to the carriage 14 so as to be able to exercise a force in the direction of traction on the latter to move it in the open position but can not exert a force in the opposite direction on the carriage 14. The operating means 15 could also include a maneuvering electromagnet or any other electromagnetic system.

Selon les exemples illustrés ci-dessus, le dispositif de verrouillage selon l'invention est réalisé sous la forme d'une gâche à ouverture commandée. Toutefois, le dispositif de verrouillage selon l'invention pourrait être réalisé sous une toute autre forme.According to the examples illustrated above, the locking device according to the invention is in the form of a controlled opening strike. However, the locking device according to the invention could be made in a completely different form.

Ainsi, les figures 11 et 12 illustrent un autre exemple de réalisation d'un dispositif de verrouillage conforme à l'invention constituant une serrure, désignée dans son ensemble par la référence 59, dont le boîtier 10 est équipé, en tant qu'organe de verrouillage, d'un pêne 60 mobile entre une position d'extension ou de verrouillage, telle qu'illustrée et une position de rétraction ou de déverrouillage non représentée. Le pêne 60 est destiné à venir s'engager dans un organe de verrouillage complémentaire, non représenté, tel qu'une gâche aménagée dans le battant d'une porte. La serrure 59 comprend, en tant que moyen 15 de manoeuvre du pêne 60, un palonnier 61 pivotant autour d'un axe 62. Le palonnier présente une première branche 63 reliée au pêne 60 et une deuxième branche 64 destinée à être reliée à un organe de manoeuvre, tel que par exemple une came sensiblement analogue à celle représentée à la figure 1, destiné à être actionné par les moyens de commande portés par une cabine d'ascenseur.Thus, Figures 11 and 12 illustrate another embodiment of a locking device according to the invention constituting a lock, generally designated by the reference 59, the housing 10 is equipped, as a body of locking, a bolt 60 movable between an extended position or locking, as shown and a retraction or unlocking position not shown. The bolt 60 is intended to engage in a complementary locking member, not shown, such as a keeper arranged in the leaf of a door. The lock 59 comprises, as a means 15 for actuating the bolt 60, a spreader 61 pivoting about an axis 62. The spreader has a first branch 63 connected to the bolt 60 and a second branch 64 intended to be connected to a member operating means, such as for example a cam substantially similar to that shown in Figure 1, intended to be actuated by the control means carried by an elevator car.

Conformément à une caractéristique essentielle de l'invention, la serrure à pêne mobile possède également des moyens 40 de déverrouillage de secours. Selon l'exemple illustré, les moyens de déverrouillage de secours 40 comprennent, en tant qu'organe de déverrouillage, une came 65 équipée de moyens de réception de la clef de déverrouillage de secours 42. La came 65 est destinée à agir sur un bras 66 du palonnier pour déplacer le pêne 60 en position de rétraction ou de déverrouillage. Dans la mesure où la came 65 est en simple contact-appui sur le bras du palonnier 66, la came 65 n'est pas déplacée lors des mouvements du palonnier 66 dans le cadre d'un déverrouillage normal du pêne 60 par les moyens de manoeuvre. De plus, il doit être noté que le chemin de la came 65 est conformé de manière, qu'en position de déverrouillage, la came soit dans un état instable, de sorte qu'elle ne peut s'opposer à un retour en position de verrouillage du pêne 60.According to an essential characteristic of the invention, the movable bolt lock also has means 40 for emergency unlocking. According to the illustrated example, the emergency unlocking means 40 comprise, as an unlocking member, a cam 65 equipped with means for receiving the emergency unlocking key 42. The cam 65 is intended to act on an arm 66 of the lifter to move the bolt 60 retracted position or unlocking. Insofar as the cam 65 is in simple contact-support on the arm of the spreader 66, the cam 65 is not displaced during the movements of the spreader 66 in the context of a normal unlocking of the bolt 60 by the operating means . In addition, it should be noted that the path of the cam 65 is shaped so that, in the unlocked position, the cam is in an unstable state, so that it can not oppose a return to position of latch lock 60.

Comme dans le cas de la gâche à ouverture commandée 1, la serrure à ouverture commandée 60 comprend par ailleurs un capteur 67 détectant la manoeuvre de la came 65 et donc des moyens de déverrouillage de secours 40.As in the case of the controlled opening strike 1, the controlled opening lock 60 also comprises a sensor 67 detecting the operation of the cam 65 and thus the emergency unlocking means 40.

Dans les exemples décrits ci-dessus, les moyens de déverrouillage de secours sont mis en oeuvre dans des dispositifs de verrouillage conçus à cet effet. Toutefois, les moyens de déverrouillage de secours selon l'invention peuvent également être mis en oeuvre dans le cadre d'un dispositif de déverrouillage de secours destiné à être adapté sur un dispositif existant de verrouillage à ouverture commandée.In the examples described above, the emergency unlocking means are implemented in locking devices designed for this purpose. However, the emergency unlocking means according to the invention can also be implemented in the context of an emergency unlocking device intended to be adapted to an existing controlled opening locking device.

Ainsi, les figures 13 à 15 illustrent un dispositif de déverrouillage de secours 70, adapté sur une serrure 71 à pêne mobile 72 selon l'art antérieur. Une telle serrure 71 comprend généralement un triangle de déverrouillage de secours 73, solidaire d'un organe de manoeuvre du pêne 72, de sorte qu'il existe une réciprocité entre les mouvements du pêne 72 et ceux du triangle 73 de déverrouillage de secours préexistants.Thus, Figures 13 to 15 illustrate an emergency unlocking device 70, adapted to a lock 71 movable bolt 72 according to the prior art. Such a lock 71 generally comprises an emergency unlocking triangle 73 secured to an actuating member of the bolt 72, so that there is a reciprocity between the movements of the latch 72 and those of the triangle 73 emergency unlocking pre-existing.

Afin de rendre indépendants les mouvements de déverrouillage de secours des mouvements de déverrouillage normaux, le dispositif de déverrouillage de secours comprend un organe de transmission 74 qui vient s'adapter sur le triangle 73 de manière à être solidaire de ce dernier et des mouvements de manoeuvre du pêne 72. Selon l'exemple illustré, l'organe de transmission 74 forme un bras de levier.In order to make the emergency unlocking movements independent of the normal unlocking movements, the emergency unlocking device comprises a transmission member 74 which fits on the triangle 73 so as to be integral with the latter and maneuvering movements. 72 of the bolt. According to the illustrated example, the transmission member 74 forms a lever arm.

De plus, le dispositif 70 comprend, en tant qu'organe de déverrouillage de secours, une came 75 équipée de moyens 76 de réception de la clef de déverrouillage de secours. Conformément à la caractéristique essentielle de l'invention, la came 75 est indépendante de l'organe ou bras de transmission 74. La came 75 est alors destinée à agir sur le bras 74 pour entraîner une rotation du triangle, de manière à déplacer le pêne 72 en position de rétraction ou de déverrouillage.In addition, the device 70 comprises, as an emergency unlocking device, a cam 75 equipped with means 76 for receiving the emergency unlocking key. According to the essential characteristic of the invention, the cam 75 is independent of the transmission member or arm 74. The cam 75 is then intended to act on the arm 74 to cause a rotation of the triangle, so as to move the bolt 72 in the retracted or unlocked position.

Dans la mesure où la came 75 est en simple contact-appui sur le bras 74, il n'y a pas réciprocité entre les mouvements du bras et ceux de la came 75. Afin d'éviter que la came 75 ne puisse faire obstacle aux mouvements du bras 74, une fois la came relâchée, le dispositif de déverrouillage de secours 70 comprend un ressort de rappel 77 de la came 75 en position de repos. Ainsi, la position de déverrouillage de la came 75 est instable tandis que la position de repos de la came est stable.Insofar as the cam 75 is in simple contact-support on the arm 74, there is no reciprocity between the movements of the arm and those of the cam 75. In order to prevent the cam 75 from being able to obstruct the movements of the arm 74, once the cam is released, the emergency unlocking device 70 comprises a return spring 77 of the cam 75 in the rest position. Thus, the unlocking position of the cam 75 is unstable while the rest position of the cam is stable.

Afin de détecter une mise en oeuvre du déverrouillage de secours, le dispositif 70 comprend également un capteur 78. Enfin, l'ensemble des éléments constitutifs du dispositif de déverrouillage de secours 70 sont fixés sur le boîtier de la serrure 71 au moyen d'une platine de fixation 79 qui présente une ouverture pour le passage du triangle 76 de manoeuvre de la came 75.In order to detect an implementation of the emergency unlocking, the device 70 also comprises a sensor 78. Finally, all the constituent elements of the emergency unlocking device 70 are fixed on the lock housing 71 by means of a mounting plate 79 which has an opening for the passage of the triangle 76 for operating the cam 75.

L'invention n'est pas limitée aux exemples décrits ci-dessus et diverses modifications peuvent y être apportées sans sortir de son cadre.The invention is not limited to the examples described above and various modifications can be made without departing from its scope.

Claims (15)

  1. Device for locking a leaf for a landing door of a lift shaft of the type comprising:
    - a housing (10) designed to be adapted to the frame (2) of the door,
    - locking means comprising a locking member (13, 60) which is mobile between a locked position in which it is designed to cooperate with a complementary member (5) borne by the leaf and an unlocked position in which the movement of the leaf (3) is free,
    - means (15) for operating the locking means designed to be actuated by control means borne by a lift car,
    - and emergency unlocking means (40) designed to be operated from the outside of the frame by an operator,
    characterised in that the movement of the emergency unlocking means (40) is independent of that of the means (15) for operating the locking means and the emergency unlocking means are capable of being actuated solely during an emergency unlocking operation.
  2. Locking device according to claim 1, characterised in that:
    - the locking means comprise means (20) for returning the locking member (13, 60) to the locked position,
    - the emergency unlocking means (40) comprise an unlocking member which is designed to act on the locking member (13, 14) counter to the return means (20) and which is mobile between a stable resting position and an unstable unlocked position.
  3. Unlocking device according to claim 1 or 2,
    characterised in that:
    - the locking means, as a locking member, comprise a bolt (60) which is mobile in translation between an extended position outside the housing (10) corresponding to the locked position and a position at least partially retracted into the housing, corresponding to the unlocked position,
    - the operating means (15) comprise a rocker lever (61) which oscillates about an axis (62) and of which one arm (63) is connected to the bolt (60) and a second arm (64) is connected to an operating member designed to be actuated by the control means,
    - in that the emergency unlocking means (40) are capable of acting on the rocker lever in the direction of a movement of the bolt into the unlocked position.
  4. Unlocking device according to claim 1 or 2,
    characterised in that:
    - the locking means comprise, as a locking member, a shutter (13) borne by a carriage (14) which is mobile in translation between an open position corresponding to the unlocked position and a closed position, corresponding to the locked position, of a lateral aperture (12) arranged in the housing (10) for the passage of a bolt (5) borne by the leaf,
    - the emergency unlocking means (40) are capable of acting on the carriage (14) in the direction of an opening movement of the aperture.
  5. Locking device according to one of claims 1 to 4,
    characterised in that the emergency unlocking means (40), as an unlocking member, comprise a cam (65) which is mobile in rotation and which comprises, in the region of its axis of rotation, means for receiving a key (42) for emergency unlocking.
  6. Locking device according to claim 4, characterised in that the emergency unlocking means (40) comprise a pinion (48) provided with a means (44) for receiving a key (42) for operating in rotation and designed to mesh with a rack (44) equipping a slider (45) capable of pushing the carriage (14) open.
  7. Locking device according to any of claims 1 to 6,
    characterised in that it comprises means (25) for blocking the locking member (13), in the unlocked position, designed to be unblocked by the complementary locking member (5) borne by the leaf (3) and in that the emergency unlocking means (40) are capable of providing a path for the unlocking member (45, 55) sufficient for setting the blocking means (25).
  8. Locking device according to any of claims 1 to 7,
    characterised in that it comprises means (46, 67) for detecting the implementation of the emergency unlocking means (40).
  9. Locking device according to claim 1, characterised in that the emergency unlocking means are formed by an emergency unlocking device (70) which is adapted to the locking device and which comprises:
    - a transmission member (74) attached to the means for operating the locking member,
    - and an emergency unlocking member (75) independent of the transmission member and capable of acting on the transmission member solely in the direction of unlocking the locking member.
  10. Locking device according to any of claims 1 to 9,
    characterised in that it comprises means for blocking the emergency unlocking means.
  11. Door comprising a frame and a leaf, characterised in that it further comprises a locking device (1, 59) according to any one of claims 1 to 10 and means for accessing the emergency unlocking means of the locking device (1, 59).
  12. Emergency unlocking device designed to be adapted to a locking device of a leaf for a landing door of a lift shaft of the type comprising:
    - a housing (10) designed to be adapted to the frame (2) of the door,
    - locking means comprising a locking member (13, 60) which is mobile between a locked position in which it is designed to cooperate with a complementary member (5) borne by the leaf and an unlocked position in which the movement of the leaf (3) is free.
    - means (15) for operating the locking means designed to be actuated by control means borne by a lift car,
    - and emergency unlocking means (40) designed to be operated from the outside of the frame by an operator,
    characterised in that it comprises:
    - a transmission member (74) which is designed to be attached to the means for operating the locking device,
    - an emergency unlocking member (75) which is independent of the transmission member (74) and which is capable of being actuated solely during an emergency unlocking operation.
  13. Emergency unlocking device according to claim 12,
    characterised in that the unlocking member is mobile between a resting position and an unlocked position and in that it comprises means for returning the unlocking member into the resting position.
  14. Emergency unlocking device according to claim 12 or 13, characterised in that the transmission member is formed by an arm (74) designed to be adapted to the pre-existing emergency unlocking means and the unlocking member is composed of a cam (75) having means (76) for receiving an emergency unlocking key.
  15. Emergency unlocking device according to any of claims 12 to 14, characterised in that it comprises a sensor (78) for detecting the implementation of the emergency unlocking.
EP02764957A 2001-07-12 2002-07-09 Device for locking a lift door with independent emergency unlocking Expired - Lifetime EP1404605B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0109309A FR2827265B1 (en) 2001-07-12 2001-07-12 DEVICE FOR LOCKING A LANDING DOOR WITH INDEPENDENT EMERGENCY LOCKING
FR0109309 2001-07-12
PCT/FR2002/002404 WO2003006354A1 (en) 2001-07-12 2002-07-09 Device for locking a lift door with independent emergency unlocking

Publications (2)

Publication Number Publication Date
EP1404605A1 EP1404605A1 (en) 2004-04-07
EP1404605B1 true EP1404605B1 (en) 2006-09-13

Family

ID=8865440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02764957A Expired - Lifetime EP1404605B1 (en) 2001-07-12 2002-07-09 Device for locking a lift door with independent emergency unlocking

Country Status (6)

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EP (1) EP1404605B1 (en)
AT (1) ATE339382T1 (en)
DE (1) DE60214712T2 (en)
ES (1) ES2272765T3 (en)
FR (1) FR2827265B1 (en)
WO (1) WO2003006354A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301325B4 (en) * 2003-01-15 2012-04-12 Hans & Jos. Kronenberg Gmbh Door lock with emergency release
FR2866640B1 (en) * 2004-02-24 2007-02-23 Jean Yves Deboffles DEVICE FOR SECURING THE ELEVATOR OPENINGS FOR PEOPLE WITH REDUCED MOBILITY
WO2005090218A1 (en) * 2004-03-23 2005-09-29 Mitsubishi Denki Kabushiki Kaisha Unlocking device of elevator landing door and method of modifying the device
FR2873669A1 (en) * 2004-07-27 2006-02-03 Thyssenkrupp Elevator Mfg F LOCKING AND UNLOCKING DEVICE FOR ELEVATOR LEFT DOORS
KR100947310B1 (en) * 2005-02-03 2010-03-16 오티스 엘리베이터 컴파니 Safety lock for elevator landing door detecting intrusion in the shaft through the landing door and elevator thus equipped
FR2899620B1 (en) * 2006-04-10 2008-07-04 Prudhomme Soc Par Actions Simp DEVICE FOR CONDIMNATION OF A POSITIVE SECURITY LOCK, IN PARTICULAR FOR A BEARING APPARATUS BEARING DOOR, AND A LOCK COMPRISING THE SAME.
IT1395083B1 (en) * 2008-11-12 2012-09-05 Ceita Srl LOCKING DEVICE FOR HINGED DOORS IN PARTICULAR FOR LIFT DOORS
SE534949C2 (en) * 2009-09-03 2012-02-28 Alimak Ab Locking mechanism for a stop door
CN106414302A (en) * 2014-03-19 2017-02-15 威特控股有限公司 Block system and assembly for lift doors
ITUB20152666A1 (en) * 2015-07-30 2017-01-30 T E Srl Safety lock equipped with an emergency unlocking system, and locking device comprising said safety lock

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483420A (en) * 1982-07-01 1984-11-20 Byrne Francis J Elevator door interlocking apparatus
JPS61238688A (en) * 1985-04-16 1986-10-23 三菱電機株式会社 Release device for platform door of elevator
BR9101160A (en) * 1991-03-25 1992-11-17 Elevadores Otis Ltda SECURITY SYSTEM FOR LOCKING AN ELEVATOR HANGING DOOR
FR2791081B1 (en) * 1999-03-19 2005-05-20 Dominique Prudhomme ALARM DEVICE ASSOCIATED WITH A UNLOCK RELIEF KEY AND A CORRESPONDING KEY

Also Published As

Publication number Publication date
ATE339382T1 (en) 2006-10-15
EP1404605A1 (en) 2004-04-07
WO2003006354A1 (en) 2003-01-23
DE60214712D1 (en) 2006-10-26
DE60214712T2 (en) 2007-10-04
FR2827265B1 (en) 2003-12-12
FR2827265A1 (en) 2003-01-17
ES2272765T3 (en) 2007-05-01

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