EP1500625B1 - Procedure for adjusting a landing door lock of an elevator - Google Patents

Procedure for adjusting a landing door lock of an elevator Download PDF

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Publication number
EP1500625B1
EP1500625B1 EP04290192A EP04290192A EP1500625B1 EP 1500625 B1 EP1500625 B1 EP 1500625B1 EP 04290192 A EP04290192 A EP 04290192A EP 04290192 A EP04290192 A EP 04290192A EP 1500625 B1 EP1500625 B1 EP 1500625B1
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EP
European Patent Office
Prior art keywords
bolt
drive roller
door
lock
door coupler
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.)
Expired - Lifetime
Application number
EP04290192A
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German (de)
French (fr)
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EP1500625A1 (en
Inventor
Jean-Yves Bluteau
Eric Letexier
Claude Hamard
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.)
ThyssenKrupp Elevator Manufacturing France SAS
Original Assignee
ThyssenKrupp Elevator Manufacturing France SAS
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Publication of EP1500625A1 publication Critical patent/EP1500625A1/en
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Publication of EP1500625B1 publication Critical patent/EP1500625B1/en
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    • 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
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
    • B66B13/20—Lock mechanisms actuated mechanically by abutments or projections on the cages

Definitions

  • the present invention relates to a method and a system for adjusting an elevator landing door lock.
  • An elevator usually comprises an elevator car provided for carrying passengers between floors of a building inside an elevator shaft having on each floor an opening for passengers to access a landing.
  • For each opening of the elevator shaft is provided on the bearing a door, said landing door, which ensures the closure and locking through a lock.
  • the lock of each landing door comprises a pivoting bolt provided with at least one drive stop designed to facilitate the pivoting of the bolt out of a striker.
  • the cabin that moves in the cage has its own door, called cabin door.
  • This cabin door comprises a device formed of two blades called saber designed to remain in a closed position in which the blades are brought closer during the passage of the bearings and to open by spacing the blades relative to each other during the the arrival of the cabin at the chosen landing.
  • the sword opens and exerts a push on a driving stops of the pivoting bolt so as to rotate it to a position in which it unlocks the landing door and allows the opening of the latter by the movement of the cabin door.
  • the driving abutment (s) are accompanied by blocking stops which limit the spacing of the blades of the sword. Adjusting the spacing of the blades of the sword relative to these two types of stops to be precise, it often requires expertise from the operator and a significant adjustment time. Such a method of adjustment is described in the document EP 1176114 . In current practice, this adjustment is made by moving the stops manually either one by one or in a grouped manner so as to obtain the contact of each stop with the corresponding blade when the sword is in the open position. This setting is long and tedious. There is therefore a need for a means to simply and systematically adjust the lock of the landing door, with the precision required for this operation.
  • the object of the invention is to propose a solution intended to facilitate this adjustment by avoiding the disadvantages mentioned above.
  • the present invention relates to a method of adjusting an elevator landing door lock, said lock comprising a striker provided to receive a pivoting bolt provided with at least one drive roller, said or each roller of the drive being slidably mounted on said bolt and being provided to allow the pivoting of said bolt by a saber.
  • the method according to the invention is characterized in that it consists in controlling the opening of said saber so that it exerts a force on said or each drive roller sliding it to a position adjusted from of which said bolt, under a subsequent action of said saber, begins to be released from said striker.
  • the method before starting to exert a force on said or each drive roller, the method consists in placing said or each drive roller in a position remote from the set position.
  • the drive roller is locked in this position.
  • control of the opening of said saber is controlled by a program designed to open said saber by a predetermined distance.
  • said sword opens between two rollers of said bolt, but acts only on a single drive roller.
  • the sword opens between two rollers of said bolt and acts on said two rollers.
  • the invention also relates to an elevator landing door opening system, comprising, on the one hand, a lock comprising a fixed striker and a pivot bolt, said bolt comprising at least one drive roller provided to enable the driving said bolt in rotation out of said striker and, secondly, a saber provided to act on said or each drive roller.
  • the present opening system is characterized in that it comprises at least one control means provided for making said sword take a setting position so that it exerts a force on said or each drive roller doing so slide to a set position from which said bolt, under a subsequent action of said saber, begins to release from said striker.
  • a lock 1 the main components of a lock 1 according to the invention, namely a bolt 2 which can be inserted into a keeper 3, the bolt 2 being mounted on a bolt holder 4.
  • the bolt holder 4 allows to fix the bolt 2 on one of the leaves representing the sliding part of the landing door (not shown).
  • the bolt 2 comprises two parts, a first part 2a which is in the form of a pivoted crooked piece forming a mechanical bolt and a second part 2b mounted on the first part 2a and which is in the form of an elongated piece forming electric bolt.
  • the keeper 3 likewise comprises two parts respectively corresponding to the parts 2a and 2b of the bolt 2, namely a first part 3a forming a mechanical strike and a second part 3b forming an electric strike.
  • the portion 2a of the bolt 2 is preferably in the form of a U having a core 2a1 and two wings 2a2 and 2a3.
  • One of the wings 2a2, 2a3, for example the wing 2a3, is bent inwardly of the U so as to engage with the part 3a of the striker 3.
  • the bolt 2 is provided to pivot about a axis of rotation 200 which is placed in an area remote from the barycentre of the bolt so that it defaults to a rest position in which it locks the landing door.
  • this axis 200 is near the center of the core 2a1 approximately on the same line as the end of the hooked portion of the wing 2a3.
  • a drive roller 20a provided to serve as a fulcrum for the pivoting drive of the bolt 2 by a saber 24 mounted on the mechanism opening of the cabin door.
  • a thrust roller 20b At the free end of the wing 2a2, is mounted a thrust roller 20b provided to block the spacing of the saber 24 and therefore the rotational movement of the bolt 2.
  • Each roller 20a, 20b has an axis 21a, 21b mounted to sliding in a slide 22a, 22b made in the bolt 2.
  • the axes 21a and 21b of the rollers 20a and 20b are preferably linked together by a plate 23 which allows them to be moved simultaneously and identically in the slides 22a , 22b corresponding.
  • a plate 23 which allows them to be moved simultaneously and identically in the slides 22a , 22b corresponding.
  • part 2a of the bolt 2 which ensures in the part 3a of the striker 3 a mechanical holding of the landing door in position closing part 2b of the bolt 2 provides in the part 3b of the striker 3 an electrical contact which guarantees the effective closure of the door.
  • the saber 24, designed to unlock the lock 1 previously described, comprises two vertical blades 24a and 24b centered on a centering point P.
  • This saber 24 is provided to take three positions: a rest position in which the blades 24a and 24b are close to the centering point P, a setting position in which the blades 24a and 24b are spaced from the centering point P, but in which the sword 24 is not completely open and an operating position in which the sword 24 is completely open.
  • Figs. 2 and 3 only the elements of the lock 1 involved in this process, namely the rollers 20a and 20b, the slides 22a and 22b, the plate 23 and the sword 24.
  • the slides 22 and the centering point P saber 24 are fixed elements, while the rollers 20 and the plate 23 are movable elements.
  • to adjust the lock 1 it is preferably by moving the axes 21a, 21b of the rollers 20a, 20b on one side of the rails 22a, 22b. These axes are then free to move in the slides.
  • the plate 23 which is integral with the axes 2 1 a, 2 1 b facilitates this manipulation by acting on only one of the axes 21.
  • the method provides for opening the sword 24 to the preset adjustment position.
  • one of the blades 24a, 24b bears against a roller 20.
  • This roller is either the drive roller 20a if it has been moved to the sword 24 during the first step, or the thrust roller 20b.
  • the opening of the sword 24 causes the movement of the axis 21a in the slideway 22a and the axis 21b in the slideway 22b to a position called the set position.
  • the saber opening distance is for example controlled by a program provided for this purpose.
  • This program controlled by the person in charge of the adjustment controls the opening of the sword 24 as predefined generating the displacement of the axes corresponding to the desired setting.
  • the displacement of each of the blades 24a, 24b between the rest position and the adjustment position corresponds to a distance x advantageously of about 7 mm.
  • the drive roller 20a can no longer slide in the slide 22a. Therefore, when the elevator car stops at a landing, when the sword 24 opens, the drive roller 20a pivots. Thus, when the saber 24 reaches its operating position which corresponds to a maximum spacing of the blades 24a and 24b, the roller 20a reaches a position where it allows the bolt 2 to p ivoter and extract the striker 3. In this position shown in FIG. 4, the sword 24 is preferably blocked in its movement by the stop roller 20b. Nevertheless, this embodiment could also work with only one roller, the drive roller 20a.
  • this position corresponds to an equilibrium position in which the bolt 2 is neither engaged with the striker 3 nor away from it. The lock 3 is then unlocked and the landing door can be driven in the opening movement of the cabin door.
  • FIGS. 5 to 8 A second embodiment of the method of the invention has been shown in FIGS. 5 to 8.
  • a first roller 20a At the intersection between the wing 2a3 and the core 2a1, is mounted a first roller 20a and at the free end of the wing 2a2 is mounted a second roller 20b.
  • These rollers 20a and 20b are provided to serve as support points for driving in rotation of the bolt 2 by a saber 24 mounted on the cabin door.
  • Each roller 20a, 20b comprises an axis 21a, 21b slidably mounted in a slideway 22a, 22b made in the bolt 2.
  • the axes 21a and 21b of the rollers 20a and 20b are preferably connected together by a plate 23 which allows them to rotate.
  • the part 2b of the bolt 2 provides in the part 3b of the striker 3 a contact which guarantees the effective closing of the door.
  • the saber 24, designed to unlock the lock 1 described above, comprises two vertical blades 24a and 24b centered on a centering point P located on a line approximately halfway between the slides 22a and 22b.
  • This saber 24 can take three positions, a rest position in which the blades 24a and 24b are brought together around the centering point P, a setting position in which the distance between the blades 24a and 24b of the saber 24 is equal to the distance between the slides 22a and 22b and an operating position in which the blades 24a and 24b of the saber 24 respectively touch the rollers 20a and 20b and rotate the bolt 2.
  • FIGS. 6 and 7 the elements of the lock 1 involved in the method of the invention, namely the rollers 20a and 20b, the slides 22a and 22b, the plate 23 and the saber 24.
  • the slides 22 and the point centering P of the saber 24 are fixed elements, while the rollers 20 and the plate 23 are movable elements.
  • the starting position of the axes 21a and 21b of the rollers 20a and 20b in the slides 22a and 22b can be any. Indeed, to adjust the lock 1, no prior displacement of the rollers 20 is necessary.
  • the simple fact of making the axes 21a, 2 1b of the rollers 20a, 20b free movement in the slides 22a, 22b is sufficient.
  • the adjustment of the position of the rollers 20a, 20b in the slides 22a, 22b is then performed in a single step which consists of moving the blades 24a, 24b from the centering point P.
  • the blade 24a or 24b the closer to a roller 20a or 20b will exert a thrust on the roller 20a or 20b which will slide in the corresponding slide 22a or 22b.
  • the rollers 20a, 20b being secured to one another by the plate 23, the roller 20a or 20b having not undergone thrust slides identically.
  • the first roller 20a is thrust by the blade 24a of the saber 24 and slides in the slide 22a.
  • the second roller 20b slides simultaneously and identically in the slideway 22b.
  • the sliding of the rollers 20a, 20b is stopped when the blades 24a, 24b of the saber 24 come into abutment against the two rollers 20a and 20b because the plate 23 prevents the spacing of the rollers 20a, 20b, as shown in FIG. Fig. 7.
  • the rollers are approximately equidistant from the centering point P of the saber 24. If the blades 24a and 24b of the saber 24 continue to move apart, the rollers can no longer deviate, it is then the bolt that pivots.
  • the opening distance of the sword 24 can be controlled by a program provided for this purpose.
  • This program is controlled by the person in charge of the adjustment control the opening of the saber 24 so as to cause the movement of the axes of the rollers without going to the opening of the corresponding leaf.
  • the displacement of each of the blades 24a, 24b between the rest position and the adjustment position corresponds to a distance x advantageously of about 7 mm.
  • this embodiment makes it possible to adjust the lock 1 without necessarily determining in advance an opening distance of the sword. Indeed, the opening of the sword 24 beyond the desired distance for adjustment, does not change the setting position, but causes only the pivoting of the bolt 2 thus set.
  • the axes of the rollers can be held in place by any means, for example by nuts, so as to lock the position obtained.
  • this locking is not mandatory since the action of the sword 24 on the rollers 20a, 20b beyond the set position, does not cause any real disadvantage as to the opening of the landing door through the cabin door. Nevertheless, the locking is carried out in order to preserve this set position when the sword 24 no longer acts on the rollers 20a, 20b.
  • the lock 1 of the landing door being adjusted, the process can be repeated at each landing on each lock to adjust.
  • the rollers 20a and 20b can no longer slide in the respective slides 22a and 22b. That is why, when the elevator car stops at a landing, when the sword 24 opens, the rollers 20a and 20b pivot and rotate the bolt 2 coming out of the keeper 3.
  • the sword 24 is preferably locked in its movement by a stop roller (not shown).
  • this position corresponds to an equilibrium position in which the bolt 2 is neither engaged with the striker 3 nor away from it. The lock 3 is then unlocked and the landing door can be driven in the opening movement of the cabin door.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

The method involves controlling opening of a camber (24), which pivots a bolt (2) received by a strike plate (3) of a lock (1) of an elevator door, so that it exert a force on a regulating wheel (20a) slidingly mounted on the bolt. The force exerted on the wheel makes the wheel to slide till a regulated position from which the bolt is released from the strike plate, under an action of the camber. An independent claim is also included for an elevator door opening system.

Description

La présente invention concerne un procédé et un système de réglage d'une serrure de porte palière d'ascenseur.The present invention relates to a method and a system for adjusting an elevator landing door lock.

Un ascenseur comprend habituellement une cabine d'ascenseur prévue pour transporter des passagers entre les étages d'un bâtiment à l'intérieur d'une cage d'ascenseur comportant à chacun des étages une ouverture permettant aux passagers d'accéder à un palier. Pour chaque ouverture de la cage d'ascenseur, est prévue sur le palier une porte, dite porte palière, qui en assure la fermeture et le verrouillage par l'intermédiaire d'une serrure. La serrure de chaque porte palière comporte un pêne pivotant pourvu d'au moins une butée d'entraînement prévue pour faciliter le pivotement du pêne hors d'une gâche. La cabine qui se déplace dans la cage possède sa propre porte, dite porte cabine. Cette porte cabine comporte un dispositif formé de deux lames appelé sabre prévu pour rester dans une position fermée dans laquelle les lames sont rapprochées lors des passages des paliers et pour s'ouvrir par écartement des lames l'une par rapport à l'autre lors de l'arrivée de la cabine au palier choisi. Ainsi, à l'ouverture de la porte cabine, le sabre s'ouvre et exerce une poussée sur une des butées d'entraînement du pêne pivotant de manière à le faire pivoter vers une position dans laquelle il déverrouille la porte palière et autorise l'ouverture de cette dernière par le mouvement de la porte cabine.An elevator usually comprises an elevator car provided for carrying passengers between floors of a building inside an elevator shaft having on each floor an opening for passengers to access a landing. For each opening of the elevator shaft is provided on the bearing a door, said landing door, which ensures the closure and locking through a lock. The lock of each landing door comprises a pivoting bolt provided with at least one drive stop designed to facilitate the pivoting of the bolt out of a striker. The cabin that moves in the cage has its own door, called cabin door. This cabin door comprises a device formed of two blades called saber designed to remain in a closed position in which the blades are brought closer during the passage of the bearings and to open by spacing the blades relative to each other during the the arrival of the cabin at the chosen landing. Thus, at the opening of the cabin door, the sword opens and exerts a push on a driving stops of the pivoting bolt so as to rotate it to a position in which it unlocks the landing door and allows the opening of the latter by the movement of the cabin door.

Généralement, la ou les butées d'entraînement sont accompagnées de butées de blocage qui limitent l'écartement des lames du sabre. Le réglage de l'écartement des lames du sabre par rapport à ces deux types de butées devant être précis, il nécessite souvent un savoir faire de la part de l'opérateur et un temps de réglage important. Un tel procédé de réglage est décrit dans le document EP 1176114 . Dans la pratique courante, on effectue ce réglage en déplaçant les butées manuellement soit une par une, soit de manière groupée de façon à obtenir le contact de chaque butée avec la lame correspondante lorsque le sabre est en position ouverte. Ce réglage est long et fastidieux. Il existe donc un besoin d'un moyen permettant de régler simplement et systématiquement la serrure de la porte palière, avec la précision requise pour cette opération.Generally, the driving abutment (s) are accompanied by blocking stops which limit the spacing of the blades of the sword. Adjusting the spacing of the blades of the sword relative to these two types of stops to be precise, it often requires expertise from the operator and a significant adjustment time. Such a method of adjustment is described in the document EP 1176114 . In current practice, this adjustment is made by moving the stops manually either one by one or in a grouped manner so as to obtain the contact of each stop with the corresponding blade when the sword is in the open position. This setting is long and tedious. There is therefore a need for a means to simply and systematically adjust the lock of the landing door, with the precision required for this operation.

Le but de l'invention est de proposer une solution destinée à faciliter ce réglage en évitant les inconvénients précédemment cités.The object of the invention is to propose a solution intended to facilitate this adjustment by avoiding the disadvantages mentioned above.

A cet effet, la présente invention concerne un procédé de réglage d'une serrure de porte palière d'ascenseur, ladite serrure comportant une gâche prévue pour recevoir un pêne pivotant pourvu d'au moins un galet d'entraînement, ledit ou chaque galet d'entraînement étant monté à coulissement sur ledit pêne et étant prévu pour permettre le pivotement dudit pêne par un sabre. Le procédé selon l'invention se caractérise en ce qu'il consiste à commander l'ouverture dudit sabre de manière à ce qu'il exerce une force sur ledit ou chaque galet d'entraînement le faisant coulisser jusqu'à une position réglée à partir de laquelle ledit pêne, sous une action subséquente dudit sabre, commence à se libérer de ladite gâche.For this purpose, the present invention relates to a method of adjusting an elevator landing door lock, said lock comprising a striker provided to receive a pivoting bolt provided with at least one drive roller, said or each roller of the drive being slidably mounted on said bolt and being provided to allow the pivoting of said bolt by a saber. The method according to the invention is characterized in that it consists in controlling the opening of said saber so that it exerts a force on said or each drive roller sliding it to a position adjusted from of which said bolt, under a subsequent action of said saber, begins to be released from said striker.

Selon une autre caractéristique de l'invention, avant de commencer à exercer une force sur ledit ou chaque galet d'entraînement, le procédé consiste à placer ledit ou chaque galet d'entraînement dans une position éloignée de la position réglée.According to another characteristic of the invention, before starting to exert a force on said or each drive roller, the method consists in placing said or each drive roller in a position remote from the set position.

Selon une autre caractéristique de l'invention, une fois la position réglée obtenue, le galet d'entraînement est verrouillé dans cette position.According to another characteristic of the invention, once the set position has been obtained, the drive roller is locked in this position.

Selon une autre caractéristique de l'invention, la commande de l'ouverture dudit sabre est pilotée par un programme prévu pour ouvrir ledit sabre d'une distance prédéterminée.According to another characteristic of the invention, the control of the opening of said saber is controlled by a program designed to open said saber by a predetermined distance.

Selon une autre caractéristique de l'invention, ledit sabre s'ouvre entre deux galets dudit pêne, mais n'agit que sur un unique galet d'entraînement.According to another characteristic of the invention, said sword opens between two rollers of said bolt, but acts only on a single drive roller.

Selon une variante de l'invention, le sabre s'ouvre entre deux galets dudit pêne et agit sur lesdits deux galets.According to a variant of the invention, the sword opens between two rollers of said bolt and acts on said two rollers.

L'invention concerne également un système d'ouverture de porte palière d'ascenseur, comportant, d'une part, une serrure comprenant une gâche fixe et un pêne pivotant, ledit pêne comportant au moins un galet d'entraînement prévu pour permettre l'entraînement dudit pêne en rotation hors de ladite gâche et, d'autre part, un sabre prévu pour agir sur ledit ou chaque galet d'entraînement. Le présent système d'ouverture se caractérise en ce qu'il comporte au moins un moyen de commande prévu pour faire prendre audit sabre une position de réglage de manière à ce qu'il exerce une force sur ledit ou chaque galet d'entraînement le faisant coulisser jusqu'à une position réglée à partir de laquelle ledit pêne, sous une action subséquente dudit sabre, commence à se libérer de ladite gâche.The invention also relates to an elevator landing door opening system, comprising, on the one hand, a lock comprising a fixed striker and a pivot bolt, said bolt comprising at least one drive roller provided to enable the driving said bolt in rotation out of said striker and, secondly, a saber provided to act on said or each drive roller. The present opening system is characterized in that it comprises at least one control means provided for making said sword take a setting position so that it exerts a force on said or each drive roller doing so slide to a set position from which said bolt, under a subsequent action of said saber, begins to release from said striker.

Les caractéristiques de l'invention mentionnées ci-dessus ainsi que d'autres apparaîtront plus clairement à la lecture de la description suivante d'un exemple de réalisation, ladite description étant faite en relation avec les dessins joints, parmi lesquels :

  • la Fig. 1 représente une vue de la serrure en position réglée et fermée selon un premier mode de réalisation de l'invention;
  • la Fig. 2 illustre la première phase du réglage de la serrure selon un premier mode de réalisation de l'invention ;
  • la Fig. 3 illustre la deuxième phase du réglage de la serrure selon un premier mode de réalisation de l'invention ;
  • la Fig. 4 représente une vue de la serrure en position réglée et ouverte selon un premier mode de réalisation de l'invention ;
  • la Fig. 5 représente une vue de la serrure en position réglée et fermée selon un second mode de réalisation de l'invention;
  • la Fig. 6 illustre la première phase du réglage de la serrure selon un second mode de réalisation de l'invention ;
  • la Fig. 7 illustre la deuxième phase du réglage de la serrure selon un second mode de réalisation de l'invention ; et
  • la Fig. 8 représente une vue de la serrure en position réglée et ouverte selon un second mode de réalisation de l'invention.
The characteristics of the invention mentioned above as well as others will appear more clearly on reading the following description of an exemplary embodiment, said description being given in relation to the attached drawings, among which:
  • FIG. 1 shows a view of the lock in the set and closed position according to a first embodiment of the invention;
  • FIG. 2 illustrates the first phase of the adjustment of the lock according to a first embodiment of the invention;
  • FIG. 3 illustrates the second phase of adjusting the lock according to a first embodiment of the invention;
  • FIG. 4 shows a view of the lock in the adjusted and open position according to a first embodiment of the invention;
  • FIG. 5 shows a view of the lock in the set and closed position according to a second embodiment of the invention;
  • FIG. 6 illustrates the first phase of setting the lock according to a second embodiment of the invention;
  • FIG. 7 illustrates the second phase of adjusting the lock according to a second embodiment of the invention; and
  • FIG. 8 shows a view of the lock in the adjusted and open position according to a second embodiment of the invention.

On a représenté à la Fig. 1, les principales parties constitutives d'une serrure 1 selon l'invention, à savoir un pêne 2 pouvant s'insérer dans une gâche 3, le pêne 2 étant monté sur un support de pêne 4. Le support de pêne 4 permet de fixer le pêne 2 sur l'un des vantaux représentant la partie coulissante de la porte palière (non représentée). Le pêne 2 comporte deux parties, une première partie 2a qui se présente sous la forme d'une pièce crochue pivotante formant pêne mécanique et une seconde partie 2b montée sur la première partie 2a et qui se présente sous la forme d'une pièce allongée formant pêne électrique. La gâche 3 comporte de même deux parties correspondant respectivement aux parties 2a et 2b du pêne 2 à savoir, une première partie 3a formant gâche mécanique et une seconde partie 3b formant gâche électrique.It is shown in FIG. 1, the main components of a lock 1 according to the invention, namely a bolt 2 which can be inserted into a keeper 3, the bolt 2 being mounted on a bolt holder 4. The bolt holder 4 allows to fix the bolt 2 on one of the leaves representing the sliding part of the landing door (not shown). The bolt 2 comprises two parts, a first part 2a which is in the form of a pivoted crooked piece forming a mechanical bolt and a second part 2b mounted on the first part 2a and which is in the form of an elongated piece forming electric bolt. The keeper 3 likewise comprises two parts respectively corresponding to the parts 2a and 2b of the bolt 2, namely a first part 3a forming a mechanical strike and a second part 3b forming an electric strike.

La partie 2a du pêne 2 se présente de préférence sous forme d'un U comportant une âme 2a1 et deux ailes 2a2 et 2a3. L'une des ailes 2a2, 2a3, par exemple l'aile 2a3, est recourbée vers l'intérieur du U de manière à venir en prise avec la partie 3a de la gâche 3. Le pêne 2 est prévu pour pivoter autour d'un axe de rotation 200 qui est placé dans une zone éloignée du barycentre du pêne de manière à ce qu'il prenne par défaut une position de repos dans laquelle il verrouille la porte palière. Dans l'exemple de réalisation, cet axe 200 se trouve à proximité du centre de l'âme 2a1 approximativement sur une même ligne que l'extrémité de la partie crochue de l'aile 2a3.The portion 2a of the bolt 2 is preferably in the form of a U having a core 2a1 and two wings 2a2 and 2a3. One of the wings 2a2, 2a3, for example the wing 2a3, is bent inwardly of the U so as to engage with the part 3a of the striker 3. The bolt 2 is provided to pivot about a axis of rotation 200 which is placed in an area remote from the barycentre of the bolt so that it defaults to a rest position in which it locks the landing door. In the exemplary embodiment, this axis 200 is near the center of the core 2a1 approximately on the same line as the end of the hooked portion of the wing 2a3.

Dans le premier mode de réalisation tel que représenté à la Fig. 1, à l'intersection entre l'aile 2a3 et l'âme 2a1, est monté un galet d'entraînement 20a prévu pour servir de point d'appui pour l'entraînement en pivotement du pêne 2 par un sabre 24 monté sur le mécanisme d'ouverture de la porte cabine. A l'extrémité libre de l'aile 2a2, est monté un galet de butée 20b prévu pour bloquer l'écartement du sabre 24 et donc le mouvement de rotation du pêne 2. Chaque galet 20a, 20b comporte un axe 21a, 21b monté à coulissement dans une glissière 22a, 22b réalisée dans le pêne 2. Les axes 21 a et 21 b des galets 20a et 20b sont de préférence liés ensemble par une plaque 23 qui leur permet d'être déplacés de manière simultanée et identique dans les glissières 22a, 22b correspondantes. A l'instar de la partie 2a du pêne 2 qui assure dans la partie 3a de la gâche 3 un maintien mécanique de la porte palière en position de fermeture, la partie 2b du pêne 2 assure dans la partie 3b de la gâche 3 un contact électrique qui garantit la fermeture effective de la porte.In the first embodiment as shown in FIG. 1, at the intersection between the wing 2a3 and the core 2a1, is mounted a drive roller 20a provided to serve as a fulcrum for the pivoting drive of the bolt 2 by a saber 24 mounted on the mechanism opening of the cabin door. At the free end of the wing 2a2, is mounted a thrust roller 20b provided to block the spacing of the saber 24 and therefore the rotational movement of the bolt 2. Each roller 20a, 20b has an axis 21a, 21b mounted to sliding in a slide 22a, 22b made in the bolt 2. The axes 21a and 21b of the rollers 20a and 20b are preferably linked together by a plate 23 which allows them to be moved simultaneously and identically in the slides 22a , 22b corresponding. Like the part 2a of the bolt 2 which ensures in the part 3a of the striker 3 a mechanical holding of the landing door in position closing part 2b of the bolt 2 provides in the part 3b of the striker 3 an electrical contact which guarantees the effective closure of the door.

Le sabre 24, prévu pour déverrouiller la serrure 1 précédemment décrite, comporte deux lames 24a et 24b verticales centrées sur un point de centrage P. Ce sabre 24 est prévu pour prendre trois positions : une position de repos dans laquelle les lames 24a et 24b sont rapprochées autour du point de centrage P, une position de réglage dans laquelle les lames 24a et 24b sont éloignées du point de centrage P, mais dans laquelle le sabre 24 n'est pas complètement ouvert et une position de fonctionnement dans laquelle le sabre 24 est complètement ouvert.The saber 24, designed to unlock the lock 1 previously described, comprises two vertical blades 24a and 24b centered on a centering point P. This saber 24 is provided to take three positions: a rest position in which the blades 24a and 24b are close to the centering point P, a setting position in which the blades 24a and 24b are spaced from the centering point P, but in which the sword 24 is not completely open and an operating position in which the sword 24 is completely open.

Pour faciliter la compréhension du procédé selon l'invention, on a représenté aux Figs. 2 et 3 uniquement les éléments de la serrure 1 intervenant dans ce procédé, à savoir les galets 20a et 20b, les glissières 22a et 22b, la plaque 23 et le sabre 24. Parmi ces éléments, les glissières 22 et le point de centrage P du sabre 24 sont des éléments fixes, alors que les galets 20 et la plaque 23 sont des éléments mobiles. Ainsi, on remarque sur la Fig. 2, que pour régler la serrure 1, on commence de préférence par déplacer les axes 21 a, 21 b des galets 20a, 20b sur un côté des glissières 22a, 22b. Ces axes sont alors libres de mouvement dans les glissières. La plaque 23 qui est solidaire des axes 2 1 a, 2 1 b facilite cette manipulation en permettant d'agir sur un seul des axes 21. Ensuite, le procédé prévoit d'ouvrir le sabre 24 jusqu'à la position de réglage prédéfinie. Au cours du déplacement du sabre 24, une des lames 24a, 24b prend appui contre un galet 20. Ce galet est, soit le galet d'entraînement 20a si celui-ci a été déplacé vers le sabre 24 lors de la première étape, soit le galet de butée 20b. On choisit par exemple de prendre appui contre le galet 20a appelé galet d'entraînement à cet effet, tel que cela est représenté sur la Fig. 3. L'ouverture du sabre 24 engendre le déplacement de l'axe 21a dans la glissière 22a et de l'axe 21b dans la glissière 22b jusqu'à une position dite position réglée. La distance d'ouverture du sabre est par exemple commandée par un programme prévu à cet effet. Ce programme piloté par la personne en charge du réglage commande l'ouverture du sabre 24 telle que prédéfinie engendrant le déplacement des axes correspondant au réglage souhaité. Le déplacement de chacune des lames 24a, 24b entre la position de repos et la position de réglage correspond à une distance x avantageusement d'environ 7 mm. Une fois la position réglée obtenue, les axes des galets sont maintenus en place par tout moyen, par exemple par des écrous, de façon à verrouiller la position obtenue. La serrure 1 de la porte palière étant réglée et verrouillée, le procédé peut être répété à chaque palier sur chaque serrure à régler.To facilitate understanding of the method according to the invention, there is shown in Figs. 2 and 3 only the elements of the lock 1 involved in this process, namely the rollers 20a and 20b, the slides 22a and 22b, the plate 23 and the sword 24. Among these elements, the slides 22 and the centering point P saber 24 are fixed elements, while the rollers 20 and the plate 23 are movable elements. Thus, it is noted in FIG. 2, that to adjust the lock 1, it is preferably by moving the axes 21a, 21b of the rollers 20a, 20b on one side of the rails 22a, 22b. These axes are then free to move in the slides. The plate 23 which is integral with the axes 2 1 a, 2 1 b facilitates this manipulation by acting on only one of the axes 21. Then, the method provides for opening the sword 24 to the preset adjustment position. During movement of the sword 24, one of the blades 24a, 24b bears against a roller 20. This roller is either the drive roller 20a if it has been moved to the sword 24 during the first step, or the thrust roller 20b. One chooses for example to bear against the roller 20a called drive roller for this purpose, as shown in FIG. 3. The opening of the sword 24 causes the movement of the axis 21a in the slideway 22a and the axis 21b in the slideway 22b to a position called the set position. The saber opening distance is for example controlled by a program provided for this purpose. This program controlled by the person in charge of the adjustment controls the opening of the sword 24 as predefined generating the displacement of the axes corresponding to the desired setting. The displacement of each of the blades 24a, 24b between the rest position and the adjustment position corresponds to a distance x advantageously of about 7 mm. Once the adjusted position obtained, the axes of the rollers are held in place by any means, for example by nuts, so as to lock the position obtained. The lock 1 of the landing door being adjusted and locked, the process can be repeated at each landing on each lock to be adjusted.

Dans cette position réglée et verrouillée, le galet d'entraînement 20a ne peut plus coulisser dans la glissière 22a. C'est pourquoi, à l'arrêt de la cabine d'ascenseur à un palier, lorsque le sabre 24 s'ouvre, le galet d'entraînement 20a pivote. Ainsi, lorsque le sabre 24 atteint sa position de fonctionnement qui correspond à un écartement maximal des lames 24a et 24b, le galet 20a atteint une position où il permet au pêne 2 de p ivoter et de s'extraire de la gâche 3. Dans cette position représentée à la Fig. 4, le sabre 24 est de préférence bloqué dans son mouvement par le galet de butée 20b. Néanmoins, ce mode de réalisation pourrait également fonctionner qu'avec un seul galet, le galet d'entraînement 20a. Avantageusement, cette position correspond à une position d'équilibre dans laquelle le pêne 2 n'est ni en prise avec la gâche 3 et ni éloigné de celle-ci. La serrure 3 se trouve alors déverrouillée et la porte palière peut être entraînée dans le mouvement d'ouverture de la porte cabine.In this set and locked position, the drive roller 20a can no longer slide in the slide 22a. Therefore, when the elevator car stops at a landing, when the sword 24 opens, the drive roller 20a pivots. Thus, when the saber 24 reaches its operating position which corresponds to a maximum spacing of the blades 24a and 24b, the roller 20a reaches a position where it allows the bolt 2 to p ivoter and extract the striker 3. In this position shown in FIG. 4, the sword 24 is preferably blocked in its movement by the stop roller 20b. Nevertheless, this embodiment could also work with only one roller, the drive roller 20a. Advantageously, this position corresponds to an equilibrium position in which the bolt 2 is neither engaged with the striker 3 nor away from it. The lock 3 is then unlocked and the landing door can be driven in the opening movement of the cabin door.

Un second mode de réalisation du procédé de l'invention a été représenté aux Figs. 5 à 8. Dans ce mode de réalisation, à l'intersection entre l'aile 2a3 et l'âme 2a1, est monté un premier galet 20a et à l'extrémité libre de l'aile 2a2, est monté un second galet 20b. Ces galets 20a et 20b sont prévus pour servir de points d'appui pour l'entraînement en rotation du pêne 2 par un sabre 24 monté sur la porte cabine. Chaque galet 20a, 20b comporte un axe 21a, 21b monté à coulissement dans une glissière 22a, 22b réalisée dans le pêne 2. Les axes 21 a et 21b des galets 20a et 20b sont de préférence liés ensemble par une plaque 23 qui leur permet d'être déplacés de manière simultanée et identique dans les glissières 22a, 22b correspondantes. A l'instar de la partie 2a du pêne 2 qui assure dans la partie 3a de la gâche 3 un maintien mécanique de la porte palière en position de fermeture, la partie 2b du pêne 2 assure dans la partie 3b de la gâche 3 un contact électrique qui garantit la fermeture effective de la porte.A second embodiment of the method of the invention has been shown in FIGS. 5 to 8. In this embodiment, at the intersection between the wing 2a3 and the core 2a1, is mounted a first roller 20a and at the free end of the wing 2a2 is mounted a second roller 20b. These rollers 20a and 20b are provided to serve as support points for driving in rotation of the bolt 2 by a saber 24 mounted on the cabin door. Each roller 20a, 20b comprises an axis 21a, 21b slidably mounted in a slideway 22a, 22b made in the bolt 2. The axes 21a and 21b of the rollers 20a and 20b are preferably connected together by a plate 23 which allows them to rotate. be moved simultaneously and identically in the corresponding slides 22a, 22b. Like the part 2a of the bolt 2 which ensures in the part 3a of the striker 3 a mechanical holding of the landing door in the closed position, the part 2b of the bolt 2 provides in the part 3b of the striker 3 a contact which guarantees the effective closing of the door.

Le sabre 24, prévu pour déverrouiller la serrure 1 précédemment décrite, comporte deux lames 24a et 24b verticales centrées sur un point de centrage P situé sur une ligne approximativement à mi-distance entre les glissières 22a et 22b. Ce sabre 24 peut prendre trois positions, une position de repos dans laquelle les lames 24a et 24b sont rapprochées autour du point de centrage P, une position de réglage dans laquelle la distance entre les lames 24a et 24b du sabre 24 est égale à la distance entre les glissières 22a et 22b et une position de fonctionnement dans laquelle les lames 24a et 24b du sabre 24 touchent respectivement les galets 20a et 20b et font pivoter le pêne 2.The saber 24, designed to unlock the lock 1 described above, comprises two vertical blades 24a and 24b centered on a centering point P located on a line approximately halfway between the slides 22a and 22b. This saber 24 can take three positions, a rest position in which the blades 24a and 24b are brought together around the centering point P, a setting position in which the distance between the blades 24a and 24b of the saber 24 is equal to the distance between the slides 22a and 22b and an operating position in which the blades 24a and 24b of the saber 24 respectively touch the rollers 20a and 20b and rotate the bolt 2.

On a représenté aux Figs. 6 et 7 les éléments de la serrure 1 intervenant dans le procédé de l'invention, à savoir les galets 20a et 20b, les glissières 22a et 22b, la plaque 23 et le sabre 24. Parmi ces éléments, les glissières 22 et le point de centrage P du sabre 24 sont des éléments fixes, alors que les galets 20 et la plaque 23 sont des éléments mobiles. Ainsi, on remarque sur la Fig. 6, que dans ce mode de réalisation, la position de départ des axes 21a et 21b des galets 20a et 20b dans les glissières 22a et 22b peut être quelconque. En effet, pour régler la serrure 1, aucun déplacement préalable des galets 20 n'est nécessaire. Le simple fait de rendre les axes 21 a, 2 1 b des galets 20a, 20b libres de mouvement dans les glissières 22a, 22b suffit. Le réglage de la position des galets 20a, 20b dans les glissières 22a, 22b est ensuite réalisé en une étape unique qui consiste à écarter les lames 24a, 24b du point de centrage P. Ainsi, de manière générale, la lame 24a ou 24b la plus proche d'un galet 20a ou 20b va exercer une poussée sur ce galet 20a ou 20b qui va coulisser dans la glissière 22a ou 22b correspondante. Les galets 20a, 20b étant rendus solidaires l'un de l'autre grâce à la plaque 23, le galet 20a ou 20b n'ayant pas subi de poussée coulisse de manière identique. Dans l'exemple représenté, le premier galet 20a subit une poussée de la part de la lame 24a du sabre 24 et coulisse dans la glissière 22a. Le second galet 20b coulisse simultanément et de manière identique dans la glissière 22b. Le coulissement des galets 20a, 20b est stoppé lorsque les lames 24a, 24b du sabre 24 arrivent en butée contre les deux galets 20a et 20b du fait que la plaque 23 interdit l'écartement des galets 20a, 20b, comme cela est représenté à la Fig. 7. Dans cette position, les galets sont approximativement à égale distance du point de centrage P du sabre 24. Si les lames 24a et 24b du sabre 24 continuent à s'écarter, les galets ne pouvant plus s'écarter, c'est alors le pêne qui pivote.FIGS. 6 and 7 the elements of the lock 1 involved in the method of the invention, namely the rollers 20a and 20b, the slides 22a and 22b, the plate 23 and the saber 24. Among these elements, the slides 22 and the point centering P of the saber 24 are fixed elements, while the rollers 20 and the plate 23 are movable elements. Thus, it is noted in FIG. 6, that in this embodiment, the starting position of the axes 21a and 21b of the rollers 20a and 20b in the slides 22a and 22b can be any. Indeed, to adjust the lock 1, no prior displacement of the rollers 20 is necessary. The simple fact of making the axes 21a, 2 1b of the rollers 20a, 20b free movement in the slides 22a, 22b is sufficient. The adjustment of the position of the rollers 20a, 20b in the slides 22a, 22b is then performed in a single step which consists of moving the blades 24a, 24b from the centering point P. Thus, generally, the blade 24a or 24b the closer to a roller 20a or 20b will exert a thrust on the roller 20a or 20b which will slide in the corresponding slide 22a or 22b. The rollers 20a, 20b being secured to one another by the plate 23, the roller 20a or 20b having not undergone thrust slides identically. In the example shown, the first roller 20a is thrust by the blade 24a of the saber 24 and slides in the slide 22a. The second roller 20b slides simultaneously and identically in the slideway 22b. The sliding of the rollers 20a, 20b is stopped when the blades 24a, 24b of the saber 24 come into abutment against the two rollers 20a and 20b because the plate 23 prevents the spacing of the rollers 20a, 20b, as shown in FIG. Fig. 7. In this position, the rollers are approximately equidistant from the centering point P of the saber 24. If the blades 24a and 24b of the saber 24 continue to move apart, the rollers can no longer deviate, it is then the bolt that pivots.

La distance d'ouverture du sabre 24 peut être commandée par un programme prévu à cet effet. Ce programme piloté par la personne en charge du réglage commande l'ouverture du sabre 24 de manière à engendrer le déplacement des axes des galets sans aller jusqu'à l'ouverture du vantail correspondant. Le déplacement de chacune des lames 24a, 24b entre la position de repos et la position de réglage correspond à une distance x avantageusement d'environ 7 mm. Néanmoins, ce mode de réalisation permet de régler la serrure 1 sans nécessairement déterminer à l'avance une distance d'ouverture du sabre. En effet, l'ouverture du sabre 24 au-delà de la distance souhaitée pour le réglage, ne modifie pas la position de réglage, mais provoque uniquement le pivotement du pêne 2 ainsi réglé.The opening distance of the sword 24 can be controlled by a program provided for this purpose. This program is controlled by the person in charge of the adjustment control the opening of the saber 24 so as to cause the movement of the axes of the rollers without going to the opening of the corresponding leaf. The displacement of each of the blades 24a, 24b between the rest position and the adjustment position corresponds to a distance x advantageously of about 7 mm. Nevertheless, this embodiment makes it possible to adjust the lock 1 without necessarily determining in advance an opening distance of the sword. Indeed, the opening of the sword 24 beyond the desired distance for adjustment, does not change the setting position, but causes only the pivoting of the bolt 2 thus set.

Une fois la position réglée obtenue, les axes des galets peuvent être maintenus en place par tout moyen, par exemple par des écrous, de façon à verrouiller la position obtenue. Dans ce mode de réalisation, ce verrouillage n'est pas obligatoire étant donné que l'action du sabre 24 sur les galets 20a, 20b au-delà de la position réglée, n'engendre pas de réel inconvénient quant à l'ouverture de la porte palière par la porte cabine. Néanmoins, le verrouillage est effectué afin de préserver cette position réglée lorsque le sabre 24 n'agit plus sur les galets 20a, 20b. La serrure 1 de la porte palière étant réglée, le procédé peut être répété à chaque palier sur chaque serrure à régler.Once the adjusted position obtained, the axes of the rollers can be held in place by any means, for example by nuts, so as to lock the position obtained. In this embodiment, this locking is not mandatory since the action of the sword 24 on the rollers 20a, 20b beyond the set position, does not cause any real disadvantage as to the opening of the landing door through the cabin door. Nevertheless, the locking is carried out in order to preserve this set position when the sword 24 no longer acts on the rollers 20a, 20b. The lock 1 of the landing door being adjusted, the process can be repeated at each landing on each lock to adjust.

Dans cette position réglée et verrouillée, les galets 20a et 20b ne peuvent plus coulisser dans les glissières 22a et 22b respectives. C'est pourquoi, à l'arrêt de la cabine d'ascenseur à un palier, lorsque le sabre 24 s'ouvre, les galets 20a et 20b pivotent et font pivoter le pêne 2 qui sort de la gâche 3. Dans cette position représentée à la Fig. 8, le sabre 24 est de préférence bloqué dans son mouvement par un galet de butée (non représenté). Avantageusement, cette position correspond à une position d'équilibre dans laquelle le pêne 2 n'est ni en prise avec la gâche 3 et ni éloigné de celle-ci. La serrure 3 se trouve alors déverrouillée et la porte palière peut être entraînée dans le mouvement d'ouverture de la porte cabine.In this set and locked position, the rollers 20a and 20b can no longer slide in the respective slides 22a and 22b. That is why, when the elevator car stops at a landing, when the sword 24 opens, the rollers 20a and 20b pivot and rotate the bolt 2 coming out of the keeper 3. In this position shown in FIG. 8, the sword 24 is preferably locked in its movement by a stop roller (not shown). Advantageously, this position corresponds to an equilibrium position in which the bolt 2 is neither engaged with the striker 3 nor away from it. The lock 3 is then unlocked and the landing door can be driven in the opening movement of the cabin door.

Claims (7)

  1. Procedure for adjusting a landing-door lock (1) of an elevator, the said lock (1) comprising a strike (3) which is intended to receive a pivoting bolt (2) which is provided with at least one drive roller (20a), the said or each drive roller (20a) being slidably mounted on the said bolt (1) and being intended to allow the said bolt (2) to be pivoted by a door coupler (24), characterised in that it comprises controlling the opening of the said door coupler (24) in such a way that the door coupler (24) exerts on the said or each drive roller (20a) a force which causes the said or each drive roller (20a) to slide to an adjusted position from which the said bolt (2), by a subsequent action of the said door coupler (24), begins to release itself from the said strike (3).
  2. Adjusting procedure according to claim 1, characterised in that it comprises, before a force begins to be exerted on the said or each drive roller (20a), positioning the said or each drive roller (20a) in a position away from the adjusted position.
  3. Adjusting procedure according to claim 1 or 2, characterised in that, once the adjusted position is reached, the drive roller (20a) is locked in this position.
  4. Adjusting procedure according to one of the foregoing claims, characterised in that the control of the opening of the said door coupler (24) is governed by a program which is intended to open the said door coupler (24) for a predetermined distance.
  5. Adjusting procedure according to one of the foregoing claims, characterised in that the said door coupler opens between two rollers (20a, 20b) of the said bolt (2), but acts on only a single drive roller (20a).
  6. Adjusting procedure according to claim 1, characterised in that the door coupler (24) opens between two rollers (20a, 20b) of the said bolt (2) and acts on both the said rollers (20a, 20b).
  7. Landing-door opening system for an elevator which comprises, on the one hand, a lock comprising a fixed strike (3) and a pivoting bolt (2), the said bolt (2) comprising at least one drive roller (20a) intended to enable the said bolt (2) to be driven in rotation out of the said strike (3) and, on the other hand, a door coupler (24) which is intended to act on the said or each drive roller (20a), characterised in that it comprises at least one control means which is intended to cause the said door coupler to assume an adjusting position in such a way that the said door coupler exerts a force on the said or each drive roller (20a) which causes the latter to slide to an adjusted position from which the said bolt (2), by a subsequent action of the said door coupler (24), begins to release itself from the said strike (3).
EP04290192A 2003-07-22 2004-01-23 Procedure for adjusting a landing door lock of an elevator Expired - Lifetime EP1500625B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0308937A FR2858002B1 (en) 2003-07-22 2003-07-22 METHOD FOR ADJUSTING AN ELEVATOR LEVEL DOOR LOCK
FR0308937 2003-07-22

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EP1500625A1 EP1500625A1 (en) 2005-01-26
EP1500625B1 true EP1500625B1 (en) 2007-08-15

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AT (1) ATE370092T1 (en)
DE (1) DE602004008165T2 (en)
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JP4292207B2 (en) * 2005-01-28 2009-07-08 三菱電機株式会社 Elevator car door lock device
EP2650249A1 (en) 2012-04-13 2013-10-16 ThyssenKrupp Elevator AG Method for positioning anti-transport element of a shaft door of a lift assembly
CN104743429B (en) 2014-11-27 2016-09-21 西子奥的斯电梯有限公司 A kind of inlay door locking device
CN105800437B (en) * 2016-05-26 2017-10-03 永大电梯设备（中国）有限公司 Elevator cab door is anti-to take off device
WO2018079032A1 (en) * 2016-10-27 2018-05-03 三菱電機株式会社 Elevator landing door opening detection device and elevator
US11034548B2 (en) * 2018-05-01 2021-06-15 Otis Elevator Company Elevator door interlock assembly
US11046557B2 (en) * 2018-05-01 2021-06-29 Otis Elevator Company Elevator door interlock assembly
EP3636577B1 (en) * 2018-10-12 2021-07-14 Otis Elevator Company Elevator landing door unlocking system

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JP2800674B2 (en) * 1994-03-10 1998-09-21 三菱電機株式会社 Elevator door device and adjustment method thereof
US6474448B1 (en) * 2000-01-26 2002-11-05 Sematic Italia S.P.A. Modular lock for elevator doors
ES1046872Y (en) * 2000-07-27 2001-07-01 Selcom Aragon S A LOCK FOR ELEVATOR DOORS.

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ES2291830T3 (en) 2008-03-01
FR2858002B1 (en) 2005-09-02
DE602004008165D1 (en) 2007-09-27
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FR2858002A1 (en) 2005-01-28
ATE370092T1 (en) 2007-09-15
EP1500625A1 (en) 2005-01-26

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