EP1718825A1 - Electromagnetic lock provided with a sliding bolt for a swinging-type door - Google Patents

Electromagnetic lock provided with a sliding bolt for a swinging-type door

Info

Publication number
EP1718825A1
EP1718825A1 EP05717396A EP05717396A EP1718825A1 EP 1718825 A1 EP1718825 A1 EP 1718825A1 EP 05717396 A EP05717396 A EP 05717396A EP 05717396 A EP05717396 A EP 05717396A EP 1718825 A1 EP1718825 A1 EP 1718825A1
Authority
EP
European Patent Office
Prior art keywords
bolt
plate
lock
door
action
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05717396A
Other languages
German (de)
French (fr)
Other versions
EP1718825B1 (en
Inventor
Jean-Michel Defert
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.)
DIGIT EURL Ste
Original Assignee
PROCOFI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PROCOFI filed Critical PROCOFI
Publication of EP1718825A1 publication Critical patent/EP1718825A1/en
Application granted granted Critical
Publication of EP1718825B1 publication Critical patent/EP1718825B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/06—Locks or fastenings for special use for swing doors or windows, i.e. opening inwards and outwards
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/096—Sliding
    • Y10T292/1014—Operating means
    • Y10T292/1021—Motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/11—Magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door
    • Y10T70/5199—Swinging door
    • Y10T70/5372—Locking latch bolts, biased
    • Y10T70/5385—Spring projected

Definitions

  • TITLE Electromagnetic lock with retractable bolt for swing door
  • the present invention relates to an electromagnetic lock with retractable bolt for a swing door, that is to say a lock comprising a bolt having a double slope, the door being able to be opened by pulling or pushing.
  • these locks are provided with a locking device preventing the retraction of the bolt, a device constituted by a movable mechanical member obstructing the retraction of the bolt in the locking position.
  • the movable mechanical locking member is controlled by an electromagnet which, when energized, keeps the aforementioned member in the locking position. If the electromagnet is no longer energized, the aforementioned member retracts returned by a spring.
  • Such a lock cannot be used in the case of a door which, while kept closed, must be capable of being opened if a fortuitous event occurs such as the triggering of a fire alarm.
  • a fortuitous event occurs such as the triggering of a fire alarm.
  • the triggering of the alarm causes a panic, namely that a large number of people will exert an action on the door (an emergency exit, for example) and it follows that each door will suddenly be subjected to a very large force and the moving parts (bolt and movable locking member) will lock one against the other.
  • cutting off the power supply has no effect because the force of the return spring is far too insufficient to overcome that holding the moving parts applied against each other.
  • the solution would be to interrupt the power supply as soon as an untimely event occurs, but here again, experience has shown that this synchronization is very difficult to obtain.
  • the lock of the invention which overcomes these drawbacks, is remarkable in that the usual bolt is carried by the movable frame of an electromagnet, said frame holding the bolt in the locked position under the action of two forces acting in the same direction and resulting, for one, from the action of springs and, for the other, from the action of the core of the electromagnet when it is excited.
  • FIG. 1 is an elevation view of a lock according to the invention
  • FIG 2 is a sectional view taken along line 11-11 of Figure 1
  • FIG. 3 is a view, similar to that 1, showing the position of the movable elements when the door is opened.
  • the lock consists of a body 1, fixed on the field of the door for example, and a plate 2, fixed on the fixed part and forming the keeper retention of the bolt 3.
  • the bolt 3 is carried by a plate 4 which can move parallel to the field comprising the plate 2.
  • the plate 4 is subjected to the action of springs 5 tending to move said plate to project the bolt.
  • Plate 4 forms the movable armature of an electromagnet, the core of which

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)
  • Electromagnets (AREA)
  • Patch Boards (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The lock has a retractable bolt (3) carried by a plate (4), and springs (5) for moving the plate to insert the retractable bolt into a retaining pin. The plate forms a movable frame of an electromagnet housed in the body (1) of the lock, where the body is fixed on an edge of a swinging door. The plate and the springs are guided on posts (7) whose axles are arranged parallel to the direction of movement of the bolt.

Description

TITRE : Serrure électromagnétique à pêne escamotable pour porte battanteTITLE: Electromagnetic lock with retractable bolt for swing door
La présente invention est relative à une serrure électromagnétique à pêne escamotable pour porte battante, c'est-à-dire une serrure comportant un pêne présentant une double pente, la porte pouvant être ouverte en tirant ou en poussant.The present invention relates to an electromagnetic lock with retractable bolt for a swing door, that is to say a lock comprising a bolt having a double slope, the door being able to be opened by pulling or pushing.
Sur les serrures connues, lorsqu'on exerce une action contre la porte, le pêne coulisse dans le plan de l'ouverture en comprimant un ressort de rappel.On known locks, when an action is applied against the door, the bolt slides in the plane of the opening by compressing a return spring.
Pour s'opposer à l'ouverture de la porte, ces serrures sont munies d'un dispositif de verrouillage empêchant le recul du pêne, dispositif constitué par un organe mécanique mobile faisant obstacle au recul du pêne en position de verrouillage.To oppose the opening of the door, these locks are provided with a locking device preventing the retraction of the bolt, a device constituted by a movable mechanical member obstructing the retraction of the bolt in the locking position.
Généralement, l'organe mécanique mobile de verrouillage est commandé par un électroaimant qui, lorsqu'il est excité, maintient l'organe précité en position de verrouillage. Si l'électroaimant n'est plus excité, l'organe précité s'escamote rappelé par un ressort.Generally, the movable mechanical locking member is controlled by an electromagnet which, when energized, keeps the aforementioned member in the locking position. If the electromagnet is no longer energized, the aforementioned member retracts returned by a spring.
Une telle serrure ne peut pas être utilisée dans le cas d'une porte qui, tout en étant maintenue fermée, doit pouvoir être ouverte si un événement fortuit se produit tel que le déclenchement d'une alarme d'incendie. Lorsqu'un tel événement se produit, il entraîne l'ouverture des circuits électriques soit d'une façon automatique soit suite à l'action du personnel de sécurité. Généralement, le déclenchement de l'alarme provoque un mouvement de panique à savoir qu'un grand nombre de personnes va exercer une action sur la porte (une issue de sortie de secours, par exemple) et il en résulte que chaque porte va brusquement être soumise à une force très importante et les parties mobiles (pêne et organe mobile de verrouillage) vont se bloquer les une contre les autres. L'expérience a montré que la coupure de l'alimentation électrique est sans effet car la force du ressort de rappel est bien trop insuffisante pour vaincre celle maintenant les pièces mobiles appliquées les unes contre les autres.Such a lock cannot be used in the case of a door which, while kept closed, must be capable of being opened if a fortuitous event occurs such as the triggering of a fire alarm. When such an event occurs, it opens the electrical circuits either automatically or following the action of security personnel. Generally, the triggering of the alarm causes a panic, namely that a large number of people will exert an action on the door (an emergency exit, for example) and it follows that each door will suddenly be subjected to a very large force and the moving parts (bolt and movable locking member) will lock one against the other. Experience has shown that cutting off the power supply has no effect because the force of the return spring is far too insufficient to overcome that holding the moving parts applied against each other.
La solution consisterait à interrompre l'alimentation électrique dès l'instant où un événement intempestif se produit, mais là encore, l'expérience a montré que cette synchronisation était très difficile à obtenir. La serrure de l'invention, qui remédie à ces inconvénients, est remarquable en ce que le pêne usuel est porté par l'armature mobile d'un électroaimant, ladite armature maintenant le pêne en position de verrouillage sous l'action de deux forces agissant dans le même sens et résultant, pour l'une, de l'action de ressorts et, pour l'autre, de l'action du noyau de l'électroaimant lorsqu'il est excité.The solution would be to interrupt the power supply as soon as an untimely event occurs, but here again, experience has shown that this synchronization is very difficult to obtain. The lock of the invention, which overcomes these drawbacks, is remarkable in that the usual bolt is carried by the movable frame of an electromagnet, said frame holding the bolt in the locked position under the action of two forces acting in the same direction and resulting, for one, from the action of springs and, for the other, from the action of the core of the electromagnet when it is excited.
Lorsque l'électroaimant est excité, le verrouillage est efficace et le pêne ne peut pas se déplacer. Lorsque l'électroaimant n'est pas excité, le pêne est en position de sortie, en prise avec la gâche, sous l'action des ressorts et la porte est donc maintenue fermée dans le plan de l'ouverture. Toutefois, une pression sur la porte permet de faire reculer le pêne. L'invention sera mieux comprise par la description qui va suivre faite en se référant au dessin annexé à titre d'exemple indicatif, seulement, sur lequel : -la figure 1 est une vue en élévation d'une serrure conforme à l'invention ; -la figure 2 est une vue en coupe effectuée selon la ligne 11-11 de la figure 1 ; -la figure 3 est une vue, analogue à celle 1 , montrant la position des éléments mobiles lors de l'ouverture de la porte.When the electromagnet is energized, the locking is effective and the bolt cannot move. When the electromagnet is not energized, the bolt is in the exit position, in engagement with the keeper, under the action of the springs and the door is therefore kept closed in the plane of the opening. However, pressing the door allows the bolt to be moved back. The invention will be better understood from the description which follows made with reference to the accompanying drawing by way of indicative example only, in which: FIG. 1 is an elevation view of a lock according to the invention; FIG 2 is a sectional view taken along line 11-11 of Figure 1; FIG. 3 is a view, similar to that 1, showing the position of the movable elements when the door is opened.
En se reportant au dessin, on voit que de la façon connue la serrure se compose d'un corps 1 , fixé sur le champ de la porte par exemple, et d'une plaque 2, fixée sur la partie fixe et formant la gâche de retenue du pêne 3. Selon l'invention, le pêne 3 est porté par une plaque 4 pouvant se déplacer parallèlement au champ comportant la plaque 2.Referring to the drawing, we see that in known manner the lock consists of a body 1, fixed on the field of the door for example, and a plate 2, fixed on the fixed part and forming the keeper retention of the bolt 3. According to the invention, the bolt 3 is carried by a plate 4 which can move parallel to the field comprising the plate 2.
La plaque 4 est soumise à l'action de ressorts 5 tendant à déplacer ladite plaque pour faire saillir le pêne.The plate 4 is subjected to the action of springs 5 tending to move said plate to project the bolt.
La plaque 4 forme l'armature mobile d'un électroaimant dont le noyauPlate 4 forms the movable armature of an electromagnet, the core of which
6 lorsqu'il est excité déplace ladite plaque en vue de faire saillir le pêne en s'opposant ensuite à son recul. C'est la position montrée sur les figures 1 et 2 sur lesquelles on constate que les ressorts 5 appliquent la plaque 4 contre le noyau 6.6 when excited moves said plate in order to project the bolt, then opposing its recoil. This is the position shown in FIGS. 1 and 2 in which it can be seen that the springs 5 apply the plate 4 against the core 6.
Comme cela ressort du dessin, la plaque 4 est guidée sur des colonnesAs is apparent from the drawing, the plate 4 is guided on columns
7 dont les axes sont parallèles au sens de déplacement du pêne. Les ressorts 5 sont avantageusement guidés sur les colonnes 7. En fonctionnement normal, l'électroaimant est excité et le pêne ne peut donc pas reculer : la serrure est verrouillée. Si on interrompt l'alimentation de l'électroaimant, le pêne reste en prise avec la gâche sous l'action des ressorts 5, la porte se maintient fermée, mais elle n'est pas verrouillée et une simple poussée sur cette dernière permettra de l'ouvrir. Si un événement fortuit déclenche un mouvement de panique, des personnes vont se ruer vers les portes en exerçant une pression importante sur ces dernières, mais cette pression favorisera l'ouverture de la porte lors de la coupure du courant électrique alimentant l'installation. II ressort des explications ci-dessus, que la serrure de l'invention, contrairement à celles connues, assure une grande sécurité lors d'une réaction de panique. 7 whose axes are parallel to the direction of movement of the bolt. The springs 5 are advantageously guided on the columns 7. In normal operation, the electromagnet is energized and the bolt cannot therefore move back: the lock is locked. If the supply of the electromagnet is interrupted, the bolt remains in engagement with the keeper under the action of the springs 5, the door remains closed, but it is not locked and a simple push on the latter will allow the 'to open. If a fortuitous event triggers a panic, people will rush towards the doors by exerting significant pressure on the latter, but this pressure will favor the opening of the door during the interruption of the electric current supplying the installation. It follows from the above explanations that the lock of the invention, unlike those known, provides great security during a panic reaction.

Claims

REVENDICATIONS
1 -Serrure électromagnétique à pêne escamotable pour porte battante, caractérisée en ce que le pêne (3) est porté par une plaque (4), mobile, formant l'armature d'un électroaimant logé dans le corps (1 ) de la serrure, ladite plaque pouvant être déplacée, pour faire saillir le pêne, sous l'action de deux forces agissant dans le même sens.1 -Electromagnetic lock with retractable bolt for swing door, characterized in that the bolt (3) is carried by a movable plate (4), forming the armature of an electromagnet housed in the body (1) of the lock, said plate being movable, to project the bolt, under the action of two forces acting in the same direction.
2-Serrure selon la revendication 1 , caractérisée en ce que le déplacement de la plaque (4), formant armature, s'effectue selon une direction qui est celle, usuelle, de déplacement du pêne.2-Lock according to claim 1, characterized in that the movement of the plate (4), forming an armature, takes place in a direction which is that, usual, of movement of the bolt.
3-Serrure selon la revendication 2, caractérisée en ce que la plaque (4) est toujours soumise à l'action de ressorts (5) qui tendent à la déplacer pour faire saillir le pêne.3-Lock according to claim 2, characterized in that the plate (4) is always subjected to the action of springs (5) which tend to move it to make the bolt protrude.
4-Serrure selon la revendication 3, caractérisée en ce que la plaque (4) est guidée sur des colonnes (7) dont les axes sont parallèles au sens de déplacement du pêne. 4-Lock according to claim 3, characterized in that the plate (4) is guided on columns (7) whose axes are parallel to the direction of movement of the bolt.
EP05717396A 2004-01-28 2005-01-18 Electromagnetic lock provided with a sliding bolt for a swinging-type door Not-in-force EP1718825B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0400773A FR2865491B1 (en) 2004-01-28 2004-01-28 ELECTROMAGNETIC LOCK WITH RETRACTABLE PEN FOR A SWING DOOR
PCT/FR2005/000054 WO2005083211A1 (en) 2004-01-28 2005-01-18 Electromagnetic lock provided with a sliding bolt for a swinging-type door

Publications (2)

Publication Number Publication Date
EP1718825A1 true EP1718825A1 (en) 2006-11-08
EP1718825B1 EP1718825B1 (en) 2008-12-03

Family

ID=34717457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05717396A Not-in-force EP1718825B1 (en) 2004-01-28 2005-01-18 Electromagnetic lock provided with a sliding bolt for a swinging-type door

Country Status (8)

Country Link
US (1) US7954862B2 (en)
EP (1) EP1718825B1 (en)
AT (1) ATE416287T1 (en)
CA (1) CA2552919C (en)
DE (1) DE602005011407D1 (en)
ES (1) ES2317208T3 (en)
FR (1) FR2865491B1 (en)
WO (1) WO2005083211A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090160201A1 (en) * 2007-12-20 2009-06-25 Jeffrey Bennett Dold Shock-absorbing strike assembly for closures
ATE499499T1 (en) * 2008-12-19 2011-03-15 Saelzer Sicherheitstechnik BURGLARY-PROOF BUILDING
CN104790804A (en) * 2015-04-16 2015-07-22 浙江东方大港大河工程塑料有限公司 Sliding window capable of being opened automatically when gas leakage occurs

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US608321A (en) * 1898-08-02 Henry guy carleton
US473061A (en) * 1892-04-19 Setts
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US1238345A (en) * 1916-10-04 1917-08-28 Frank A Schoenle Magnetic latch device.
GB177176A (en) * 1921-03-19 1923-05-10 Victor George Murray Improvements in or relating to electromagnetic locks
GB225254A (en) * 1924-03-24 1924-12-04 George Alfred Farmer Improvements in or relating to fastenings for railway carriage and other doors
US1558705A (en) * 1924-04-05 1925-10-27 Joseph H Milligan Electric lock
US1635028A (en) * 1926-05-10 1927-07-05 Harry B Burr Electric door lock
US2081055A (en) * 1936-02-20 1937-05-18 Kiracofe Clifford Tank cap lock
US2153088A (en) * 1936-03-24 1939-04-04 All Steel Equip Company Inc Electric locker control
US2586900A (en) * 1949-11-02 1952-02-26 Alderman Wayne Magnetic door latch
FR2514059A1 (en) * 1981-10-07 1983-04-08 France Ind Composants Batiment ELECTRONICALLY MOTORIZED LOCK WITH MOTOR AXIS PARALLEL TO LONGITUDINAL AXIS OF PENES
DE3430414A1 (en) * 1984-08-18 1986-02-27 Ellenberger & Poensgen Gmbh, 8503 Altdorf DOOR LOCKING DEVICE WITH IMMEDIATE LOCKING AND DELAYED UNLOCKING WITH WATER LEVEL MONITORING
FR2720779A3 (en) * 1992-07-21 1995-12-08 Arouete J Emergency exit lock with rotary electromagnet to arm lock
US6053546A (en) * 1998-06-03 2000-04-25 Harrow Products, Inc. Trigger system for electromagnetic lock
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Title
See references of WO2005083211A1 *

Also Published As

Publication number Publication date
CA2552919A1 (en) 2005-09-09
WO2005083211A1 (en) 2005-09-09
DE602005011407D1 (en) 2009-01-15
ATE416287T1 (en) 2008-12-15
US20080223092A1 (en) 2008-09-18
FR2865491A1 (en) 2005-07-29
FR2865491B1 (en) 2006-04-28
ES2317208T3 (en) 2009-04-16
CA2552919C (en) 2008-12-23
EP1718825B1 (en) 2008-12-03
US7954862B2 (en) 2011-06-07

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