EP3702557B1 - Contre-serrure pour battant inactif d'une double porte - Google Patents

Contre-serrure pour battant inactif d'une double porte Download PDF

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Publication number
EP3702557B1
EP3702557B1 EP19382148.5A EP19382148A EP3702557B1 EP 3702557 B1 EP3702557 B1 EP 3702557B1 EP 19382148 A EP19382148 A EP 19382148A EP 3702557 B1 EP3702557 B1 EP 3702557B1
Authority
EP
European Patent Office
Prior art keywords
counter lock
actuating cam
lock
blocking
neutral position
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.)
Active
Application number
EP19382148.5A
Other languages
German (de)
English (en)
Other versions
EP3702557A1 (fr
Inventor
Eduardo Jesús OTEGI ODRIOZOLA
Fernando Goñi Urbieta
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.)
Talleres de Escoriaza SA
Original Assignee
Talleres de Escoriaza SA
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 Talleres de Escoriaza SA filed Critical Talleres de Escoriaza SA
Priority to EP19382148.5A priority Critical patent/EP3702557B1/fr
Priority to ES19382148T priority patent/ES2906146T3/es
Publication of EP3702557A1 publication Critical patent/EP3702557A1/fr
Application granted granted Critical
Publication of EP3702557B1 publication Critical patent/EP3702557B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C7/00—Fastening devices specially adapted for two wings
    • E05C7/04—Fastening devices specially adapted for two wings for wings which abut when closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
    • E05B17/203—Securing, deadlocking or "dogging" the bolt in the fastening position not following the movement of the bolt
    • E05B17/2034—Securing, deadlocking or "dogging" the bolt in the fastening position not following the movement of the bolt moving pivotally or rotatively
    • 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
    • E05B65/1006—Locks or fastenings for special use for panic or emergency doors of the vertical rod type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/042—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with pins engaging slots
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/004—Lost motion connections

Definitions

  • the present invention relates to a counter lock for an inactive leaf for a double leaf door.
  • Emergency doors or fire doors comprising a main leaf in turn comprising a lock and a secondary leaf comprising a counter lock are known.
  • the counter lock works together with the lock to block the door.
  • These doors are configured to withstand stresses as required by law, where they can only be opened when the user acts on the lock or counter lock. When acting on the lock only the main leaf opens, whereas both leaves open when acting on the counter lock.
  • the secondary leaf is blocked at upper and lower blocking points by means of rods that are coupled to the counter lock, particularly to respective sliders housed in the counter lock, and at the ends of which there are arranged bolts which are inserted in respective housings, blocking the secondary leaf.
  • the counter lock furthermore includes a central blocking point with the lock such that a latch of the lock is housed in the counter lock when the door is closed.
  • EP1813742B1 describes a counter lock comprising sliders which move vertically and have ends coupled to the corresponding rods, and a blocking mechanism blocking the movement of the slider when this movement was caused exclusively by a handling force applied outside the lock case of the counter lock, on the respective rod, and not originating from the follower in the opening direction. To that end, it includes a blocking gear.
  • US1346670A discloses an emergency door comprising a lock and a counter lock actuated by a panic bar.
  • One end of the panic bar includes a member which extends into a recess of counter lock case and is adapted to be raised when pressure is applied to the panic bar.
  • the member actuates an element on which a swing of the counter lock rests.
  • the swing is coupled to the case via a coupling.
  • the element moves vertically upwards it rotates the swing clockwise and this in turn rotates a drive cam anti-clockwise retracting the sliders.
  • the locking points are automatically retracted on opening the door, keeping them retracted until the person in charge returns the door to its neutral position, the retraction means being configured to release the locking points from the retracted position under certain conditions.
  • GB2286420A discloses a counter lock comprising a panic latch mechanism comprising sliders which are movable with respect to one another and a transfer member coupled to both sliders so that the rotation of the transfer member leads to the displacement of the sliders.
  • a pivotably mounted pawl engages a flange on the transfer member.
  • a handle actuated from the outside moves the pawl out of engagement and raises lower slider.
  • On release of the handle springs return the mechanism to its locked position.
  • EP2703583A2 discloses a passive wing lock device configured for being associated with an active wing lock device which is mounted in the active wing of the two-leaf door.
  • the lock mechanism of the passive wing lock device has a latch lifting device for returning a bolt of the active-blade lock device engaging in a predetermined space of the passive wing lock device.
  • the latch lifting device has a latch actuating element with a latch actuating pressure piece which is spring-loaded in the return direction of the bolt.
  • EP2754800A2 discloses a counter lock according to the preamble of claim 1.
  • the counter lock comprises a cam coupled to a follower, an upper slider and a lower slider coupled to the corresponding rod for blocking the passive leaf in the neutral position, and blocking means configured for maintaining the movement of the sliders blocked in the neutral position.
  • the locking means comprise a swing coupled to the upper slider, the cam maintaining the swing blocked in the neutral position, the locking means being unlocked when the follower is rotated in the opening direction.
  • the locking means further comprises a locking mandrel movable between a first position as lower locking position and a second position as upper release position.
  • the locking mandrel is mounted in the lock box and the lock cover in each case in an elongated hole, being movable by its own weight from the release position into the locking position, the lower elongated hole position constituting the locking position and the upper position the release position.
  • the object of the invention is to provide a counter lock for an inactive leaf for a double leaf door, as defined in the claims.
  • the counter lock comprises an actuating cam coupled to a follower, an upper slider configured for being coupled to an upper rod through which the blocking of the inactive leaf at an upper blocking point is maintained when the counter lock is in a neutral position, and a lower slider configured for being coupled to a lower rod through which the blocking of the inactive leaf at a lower blocking point is maintained when the counter lock is in the neutral position, both sliders being movable with respect to one another, the actuating cam being configured for moving at least one of the sliders when the follower is rotated in an opening direction causing the release of the upper and lower blocking points of the inactive leaf.
  • the counter lock comprises blocking means configured for maintaining the movement of the sliders blocked in the neutral position of the counter lock, the blocking means comprising a swing coupled to at least one of the sliders for moving said sliders, the actuating cam blocking the rotation of the swing in the neutral position of the counter lock, preventing the sliders from moving, the blocking means being unblocked when the follower is rotated in the opening direction.
  • the swing comprises a wedge-like projection which, in the neutral position of the counter lock, abuts with a retention surface of the actuating cam, the actuating cam maintaining the blocking of the rotation of the swing in said neutral position.
  • the counter lock according to the invention enables keeping the door closed, preventing the blocking points from giving way when excessive forces are applied, for example, during panic or fire situations, leading to the inactive leaf itself becoming overloaded. If the counter lock is to be unblocked, acting directly on the follower or on the pull in the opening direction would suffice, readily unblocking the three blocking points.
  • FIG. 1 shows an emergency door 1 comprising a lock 4.
  • the emergency door 1 comprises a main leaf 2 also known as the active leaf comprising the lock 4 and a secondary leaf 3 also known as the inactive leaf comprising a counter lock 5 according to the invention.
  • the counter lock 5 When the lock 4 is acted on, only the main leaf 2 opens, whereas when the counter lock 5 is acted on both leaves 2 and 3 open.
  • the counter lock 5 When arranged in a blocking position, the counter lock 5 maintains the blocking of the secondary leaf 3 at an upper blocking point A, a lower blocking point B, and a central point C as schematically shown in Figures 1 and 2 .
  • Said blocking position is also referred to as the neutral position or the closed-door position.
  • the emergency door 1 comprises an upper rod 18 fixed at one end to the counter lock 5 and at the free end of which there is inserted a bolt 13, and a lower rod 19 fixed at one end to the counter lock 5 and at the free end of which there is inserted another bolt 14, such that each bolt 13 and 14 is configured for being housed in a corresponding housing 27 and 28 comprised respectively in the floor and in a frame of a wall in which the emergency door 1 is arranged, with the corresponding bolts 13 and 14 being retained inside the respective housing 27 and 28 defining the lower blocking point B and the upper blocking point A, respectively.
  • the blocking at the central point C takes place through a latch 8 of the lock 4 which, in the neutral position, goes through a front 7 of the counter lock 5, being partially housed in the counter lock 5.
  • the bolts 13 and 14 have a substantially conical geometry. This geometry of the bolts together with the configuration of the counter lock 5 prevents the bolts 13 and 14 from giving way when excessive forces are applied during panic or fire situations, leading to the door 1 becoming overloaded, preventing said door from being able to be open.
  • the counter lock 5 shown in the drawings is mainly adapted to emergency doors as shown in Figures 1 and 2 , although it may be used in another type of doors.
  • FIGS 3 to 9 and 13 to 14 show an embodiment of the counter lock 5 in which some of the components of said counter lock 5 not relevant for the invention have been eliminated to facilitate understanding thereof.
  • the counter lock 5 comprises a lock case 6 housing a follower 10 configured for being operated by a handle (not depicted) or a panic or emergency device 9 depicted in Figures 1 and 2 , an upper slider 12 configured for being coupled to the upper rod 18, a lower slider 15 configured for being coupled to the lower rod 19, and an actuating cam 30 coupled to the follower 10, both sliders 12 and 15 being movable with respect to one another and the actuating cam 30 being configured for moving at least one of the sliders 12 and 15 when it is operated in an opening direction, thereby releasing the upper blocking point A and the lower blocking point B of the secondary leaf 3.
  • the counter lock 5 further comprises a pusher 50 which, in the neutral position, is housed in the lock case 6 and partially ejected from the lock case 6, striking the latch 8 of the lock 4 and releasing the central blocking point C when the follower 10 is rotated in the opening direction. Therefore, from the neutral position, the rotation of the actuating cam 30 in the opening direction causes the release of the upper blocking point A and the lower blocking point B of the counter lock 5 and of the central blocking point C of the lock 4 by means of said actuating cam 30 directly actuating one of the sliders 12 and 15 and the pusher 50, respectively.
  • the pusher 50 is pivotably coupled to the lock case 6 through the corresponding coupling 51.
  • the pusher 50 In the neutral position, the pusher 50 is supported on the actuating cam 30, particularly on a support surface 35 arranged in a projection 34 of the actuating cam 30.
  • the support between the pusher 50 and the actuating cam 30 in the neutral position is arranged below the coupling rotating shaft 51, thereby forcing the pusher 50 to remain supported on the actuating cam 30 as a result of gravity.
  • the counter lock 5 comprises blocking means 60 configured for maintaining the blocking of the movement of the sliders 12 and 15 in the neutral position of the counter lock 5, the blocking means 60 comprising a swing 20 and a retention surface 36 of the actuating cam 30 which retains the swing 20 in the neutral position preventing the movement of the sliders 12 and 15, the blocking means 60 being unblocked when the follower 10 is rotated in the opening direction.
  • the inactive leaf 3 is blocked in the upper blocking point A, lower blocking point B, and central blocking point C. From said neutral position in which the door is blocked, and when pressure is applied on the door, said door can be opened quickly and at any time by rotating the follower 10 in the opening direction.
  • the swing 20 comprises a wedge-like projection 23 which, in the neutral position, abuts with the retention surface 36 of the actuating cam 30.
  • the retention surface 36 is a curved surface. In the embodiment shown in the drawings, the retention surface 36 is a curved surface substantially concentric to an axis of rotation of the actuating cam 30.
  • the swing 20 is pivotably coupled to the lock case 6 of the counter lock 5 through a first coupling 24, said swing 20 furthermore being coupled to the lower slider 15 and the upper slider 12, respectively, through a second coupling 21 and a third coupling 22, said second coupling 21 and third coupling 22 being arranged at opposite ends of the swing 20.
  • the first coupling 24 is arranged substantially centered in the swing 20.
  • the upper slider 12 and the lower slider 15 move relatively with respect to one another in a substantially vertical manner when they are operated by the actuating cam 30.
  • both sliders 12 and 15 move closer to one another, forcing the upper rod 18 and the lower rod 19 to move closer to one another, releasing the corresponding bolts 13 and 14 from the corresponding housings 27 and 28, thereby releasing the upper blocking position A and the lower blocking position B, whereas when the follower 10 returns to its starting position as a result of a spring 55, the sliders 12 and 15 move away from one another as a result of respective return springs 56 and 57, with the upper rod 18 and the lower rod 19 returning to the upper blocking position A and the lower blocking position B.
  • the movement of the upper slider 12 and the lower slider 15 is a guided movement, said movement being substantially vertical.
  • the actuating cam 30 shown in detail in Figure 11 comprises a hole 33 through which it is concentrically and integrally coupled to the follower 10 and an arm 31 including an actuating surface 32 configured for pushing and moving the lower slider 15 when the follower 10 is rotated in the opening direction.
  • the actuating surface 32 acts on a stop 16 arranged at an upper end 15a of the lower slider 15.
  • the support surface 35 of the actuating cam 30 is configured for causing the rotation of the pusher 50 in the direction opposite the opening direction of the follower 10 when the follower 10 is operated, causing the partial ejection of said pusher 50 out of the lock case 6 and the corresponding release of the central blocking point C as it strikes the latch 8 of the lock 4, retracting it.
  • the actuating cam 30 rotates in the opening direction, rotating the pusher 50 in the direction opposite the direction for opening and releasing the central blocking point C in a first step, before coming into contact with the lower slider 15.
  • the actuating cam 30 is rotated in the opening direction from the neutral position (shown in Figures 3 to 5 ) until the actuating surface 32 of said actuating cam 30 contacts the stop 16 arranged at the upper end 15a of the lower slider 15 (shown in Figure 6 ), the retention surface 36 of the actuating cam 30 remains in contact with the end 23b of the projection 23 of the swing 20. During said travel, the swing 20 does not rotate.
  • the secondary leaf 3 can be opened by acting directly on the follower 10 of the counter lock 5 or on a pull 40 housed in the lock case 6.
  • the pull 40 is pivotably coupled to the lock case 6 through a respective coupling 41.
  • the pull 40 comprises a projection 43 going through the front 7 of the counter lock 5, being accessible from outside the secondary leaf 3, and an extension 42 housed inside the lock case 6.
  • the pull 40 rotates in the opening direction with respect to the coupling 41, the extension 42 of the pull 40 pushing the actuating cam 30 and causing it to rotate in the opening direction as seen in Figures 13 to 15 .
  • the pull 40 directly contacts the actuating cam 30 through the extension 42.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)

Claims (11)

  1. Contre-serrure pour un battant inactif d'une double porte, comprenant une came d'actionnement (30) couplée à un fouillot (10), un coulisseau supérieur (12) configuré pour être couplé à une tige supérieure (18) par laquelle le blocage du battant inactif (3) à un point de blocage supérieur (A) est maintenu lorsque la contre-serrure (5) est en position neutre, un coulisseau inférieur (15) configuré pour être couplé à une tige inférieure (19) par laquelle le blocage du battant inactif (3) à un point de blocage inférieur (B) est maintenu lorsque le contre-verrouillage (5) est en position neutre, les deux coulisseaux (12, 15) étant mobiles l'un par rapport à l'autre, la came d'actionnement (30) étant configurée pour déplacer au moins l'un des coulisseaux (12, 15) lorsque le suiveur (10) est tourné dans une direction d'ouverture provoquant la libération des points de blocage supérieur et inférieur (A, B) du battant inactif (3), et des moyens de blocage (60) configurés pour maintenir le mouvement des coulisses (12, 15) bloquées dans la position neutre de la contre-serrure (5), les moyens de blocage (60) comprenant une bascule (20) couplée à au moins une des coulisses (12, 15) pour déplacer lesdites coulisses (12, 15), la came d'actionnement (30) bloquant la rotation de la bascule (20) dans la position neutre de la contre-serrure (5), empêchant les coulisses (12, 15) de se déplacer, les moyens de blocage (60) étant débloqués lorsque le fouillot (10) est tourné dans la direction d'ouverture, caractérisé en ce que le fouillot (20) comprend une saillie en forme de coin (23) qui, dans la position neutre de la contre-serrure (5), bute contre une surface de retenue (36) de la came d'actionnement (30), la came d'actionnement (30) maintenant le blocage de la rotation du fouillot (20) dans ladite position neutre.
  2. Contre-serrure pour un battant inactif selon la revendication précédente, dans laquelle la surface de rétention (36) de la came d'actionnement (30) est une surface courbe.
  3. Contre-serrure pour un battant inactif selon la revendication précédente, dans laquelle la surface de rétention (36) est une surface courbe sensiblement concentrique à un axe de rotation de la came d'actionnement (30).
  4. Contre-serrure pour battant inactif selon l'une quelconque des revendications précédentes, dans laquelle la came d'actionnement (30) comprend une surface d'actionnement (32) configurée pour déplacer le coulisseau inférieur (15) lors de la rotation du suiveur (10) dans le sens de l'ouverture, ladite surface d'actionnement (32) n'étant pas disposée en contact avec le coulisseau inférieur (15) en position neutre.
  5. Contre-serrure pour un battant inactif selon l'une quelconque des revendications précédentes, dans laquelle une extrémité (23b) de la saillie (23) du battant (20) maintient le contact avec la surface de rétention (36) de la came d'actionnement (30) pendant la rotation de la came d'actionnement (30) dans le sens de l'ouverture depuis la position neutre jusqu'à ce que la surface d'actionnement (32) soit en contact avec le coulisseau inférieur (15), la came d'actionnement (30) empêchant la rotation du battant (20).
  6. Contre-serrure pour un battant inactif selon l'une quelconque des revendications précédentes, dans laquelle le battant (20) est couplé de manière pivotante à un boîtier de serrure (6) de la contre-serrure (5) par l'intermédiaire d'un premier couplage (24), ledit battant (20) étant en outre couplé respectivement au coulisseau inférieur (15) et au coulisseau supérieur (12) par l'intermédiaire d'un deuxième couplage (21) et d'un troisième couplage (22), ledit deuxième couplage (21) et ledit troisième couplage (22) étant disposés aux extrémités opposées du battant (20).
  7. Contre-serrure pour un battant inactif selon l'une quelconque des revendications précédentes, comprenant un poussoir (50) qui prend appui sur la came d'actionnement (30) en position neutre.
  8. Contre-serrure pour un battant inactif selon la revendication précédente, dans laquelle le poussoir (50) est accouplé par l'intermédiaire d'un accouplement (51), ledit poussoir (50) étant pivotant par rapport audit accouplement (51), le support entre le poussoir (50) et la came d'actionnement (30) étant disposé en position neutre sous l'axe de rotation de l'accouplement (51) lorsque la contre-serrure est montée dans une porte, obligeant le poussoir (50) à rester en appui sur la came d'actionnement (30).
  9. Contre-serrure pour un battant inactif selon la revendication 7 ou 8, dans laquelle la came d'actionnement (30) comprend une surface d'appui (35) qui est disposée en contact avec une surface d'appui (52) du poussoir (50) en position neutre, la surface d'appui (35) de la came d'actionnement (30) étant configurée pour faire pivoter le poussoir (50) dans le sens opposé au sens d'ouverture du fouillot (10) lorsque le fouillot (10) est actionné dans le sens d'ouverture.
  10. Contre-serrure pour battant inactif selon l'une quelconque des revendications précédentes, comprenant une tirette (40) comportant une saillie (43) accessible depuis l'extérieur de la contre-serrure (5), et un prolongement (42) configuré pour actionner la came d'actionnement (30) de sorte que, lorsque la tirette (40) est actionnée au travers de la saillie (43), elle provoque la rotation de la came d'actionnement (30) et la libération de points de blocage (A, B) du battant inactif (3).
  11. Contre-serrure pour un battant inactif selon la revendication précédente, dans laquelle la tirette (40) entre directement en contact avec la came d'actionnement (30) à travers le prolongement (42) lorsque la tirette (40) est actionnée de l'extérieur, provoquant le pivotement de la came d'actionnement (30) dans le sens de l'ouverture par ledit prolongement (42).
EP19382148.5A 2019-02-28 2019-02-28 Contre-serrure pour battant inactif d'une double porte Active EP3702557B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19382148.5A EP3702557B1 (fr) 2019-02-28 2019-02-28 Contre-serrure pour battant inactif d'une double porte
ES19382148T ES2906146T3 (es) 2019-02-28 2019-02-28 Contracerradura para hoja pasiva para una puerta de doble hoja

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19382148.5A EP3702557B1 (fr) 2019-02-28 2019-02-28 Contre-serrure pour battant inactif d'une double porte

Publications (2)

Publication Number Publication Date
EP3702557A1 EP3702557A1 (fr) 2020-09-02
EP3702557B1 true EP3702557B1 (fr) 2022-01-12

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ID=65911100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19382148.5A Active EP3702557B1 (fr) 2019-02-28 2019-02-28 Contre-serrure pour battant inactif d'une double porte

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EP (1) EP3702557B1 (fr)
ES (1) ES2906146T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1346670A (en) * 1916-04-08 1920-07-13 Sargent & Co Panic-bolt mechanism
GB2286420B (en) * 1994-02-03 1996-12-18 Fred Duncombe Limited Emergency door latch mechanism
DE202006001383U1 (de) 2006-01-27 2006-04-13 Bks Gmbh Treibriegelschloß
EP2703583A3 (fr) * 2012-09-04 2015-03-11 ASSA ABLOY Sicherheitstechnik GmbH Dispositif de serrure pour vantail passif avec un dispositif de retrait de pêne comportant un poussoir à ressort d'actionnement du pêne
DE102013001815A1 (de) * 2013-01-11 2014-07-17 Wilh. Schlechtendahl & Söhne GmbH & Co. KG Gegenkasten oder Einsteckschloss

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Publication number Publication date
ES2906146T3 (es) 2022-04-13
EP3702557A1 (fr) 2020-09-02

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